| Observation Date |
Observation Time |
Precipitation |
Snowfall |
Snowfall SWE |
Snow Depth |
Snow SWE |
Notes |
| 10/1/2010 |
8:30 AM |
1.37 |
M |
M |
M |
M |
An all day rain, moderate to heavy at times. Tapered off to light rain to drizzle between 1730-18:45. Streets starting drying after 20:15 and was able to take a walk
with no precip falling. Skies remained overcast thru the night and into obs time. At obs time, low overcast, N to NW wind, temp 57. High 60/Low 55. Storm total precip was 1.49" |
| 10/5/2010 |
9:00 AM |
0.58 |
M |
M |
M |
M |
Periods of rain developed late morning Monday and continued in the overnight. Upper low over northern PA,
very chilly temps with high of only 49. |
| 10/6/2010 |
9:00 AM |
0.63 |
M |
M |
M |
M |
Temp range 53/50. Overcast with periods of rain..some of it moderate. In between, periods of drizzle. From all day Tuesday into overnight. At obs, just overcast
and 53. Plenty of pears continue to drop from pear tree. |
| 10/7/2010 |
8:00 AM |
0.52 |
M |
M |
M |
M |
Temp range 61/50. First significant amounts of mixed sun and cloud for part of the day Wednesday. But moderate rain returned Wednesday evening. Result of a deformation zone that extended from Lk. Ontario SSW thru Monroe County and further south to PA. At obs today, overcast w/ breaks (binovc), no rain and 51 deg. |
| 10/8/2010 |
8:00 AM |
0.00 |
0.0 |
M |
M |
M |
Temp range of 67/43. Rapid clearing with deep blue skies after 08:30. Strong W winds followed, and by afternoon, winds of 20 to 35 knots with pkwnd of 34 knt
observed at airport. A least 100 more pears blown off pear tree..and sitting in driveway, lawn, street. Yellow jackets having a party with it. Winds subsided overnight...but today Friday..promises more wind and mixing..but with temps 5-8 degrees warmer with sunshine. |
| 10/9/2010 |
9:00 AM |
0.00 |
0.0 |
M |
M |
M |
Temp range 69/46. Sun-drenched skies Friday. But another round of moderate to high winds out of the west,
as temps warmed. W winds 15-30knts. Plenty more pears fell out of that pear tree. Friday night, mid-level clouds..Ac, arrived with approach of weak back-door cold front. Wind shift occurred prior to 04:00, but no precip noted. At obs, CAVU...3rd day in a row of deep blue sky, temp at 53 with NE breeze at 10knts. |
| 10/10/2010 |
9:00 AM |
0.00 |
0.0 |
M |
M |
M |
Temp range 58/34. Another sparkling deep blue sky with a brisk N-NE breeze in the morning Saturday, followed by little to no wind in the afternoon. Perfect fall day, though temps failed to rise above 60. Overnight, near perfect radiational cooling allowed for scattered frost on rooftops and grass. At obs today, 9am, temp up to 38...with a nice temp recovery indicated for later Sunday afternoon. |
| 10/11/2010 |
9:00 AM |
0.00 |
0.0 |
M |
M |
M |
Temp range 70/42. Day number 4 of sparkling blue skies.
Temps made a remarkable recovery with very light breezes.
Considering how cold it was early Sunday morning Sunday night remained clear, but clouds arrived prior to sunrise w passage of another backdoor cold front.
No precip noted locally, tho radar returns show showers over Niagara peninsula at obs time. |
| 10/12/2010 |
7:00 AM |
0.22 |
M |
M |
M |
M |
Temp range 62/44. Mostly overcast skies with some sunny breaks Monday. After 1800 showers arrived. At early obs today, low clouds and fog. Precip ended by 2200 Monday night. |
| 10/13/2010 |
8:00 AM |
0.00 |
0.0 |
M |
M |
M |
Temp range 55/35. Actual values were 54.5 & 34.5. AM cloud Tuesday morning gave way to melting away of the sc deck in the early afternoon...remainder of day...deep blue sky with patchy sc, gentle breeze,unk direction. Overnight, strong radiational cooling allowed for a more widespread frost noted on grass and rooftops. At obs, at least 8 contrails seen, 4 of them active, no wind..temp at 38 at 08:05. |
| 10/15/2010 |
8:00 AM |
0.10 |
M |
M |
M |
M |
Temp range 53/42. Overcast skies with showers that started after 14:00. Overnight was overcast with a spotty sprinkle. Winds increasing from cold NE/N direction, as cyclone develops over central and eastern NY. |
| 10/16/2010 |
9:00 AM |
0.50 |
M |
M |
M |
M |
Temp range 52/46. Periods of rain, most heavy in the afternoon hours after a several hour break in the morning. Overnight, overcast and windy at times...NNW winds 15-30knots. At obs, SC overcast, temp at 47. |
| 10/20/2010 |
8:00 AM |
0.00 |
0.0 |
M |
M |
M |
Temp range 58/39. At obs, 42 and partly sunny. Previous day featured plenty of sun, sct v bkn Sc clouds
with a gentle WSW breeze. Rather pleasant by early afternoon. Overnight, patchy clouds w temps in low 40s by 20:00...temps didn't drop much for remainder of long night. No precip observed. |
| 10/21/2010 |
9:00 AM |
0.15 |
M |
M |
M |
M |
Temp range 62/42. At obs, broken Sc, temp 45. Wednesday, one beautiful day...lots of sun, sct Cu/Sc along with a brisk SW wind...lots of leaves being shed.
In journey through NY41A, notice most trees are now bare, especially elevations above 1,000 ft. Overnight, mid level clouds arrive...and showers after 3am. |
| 10/24/2010 |
8:00 AM |
0.14 |
M |
M |
M |
M |
Temp range 63/45. At obs, 50. Overcast for all of Saturday with periods of rain that started after 18:00.
A steadier batch of rain crossed the district after 19:45
with on and off rain showers past midnight. At obs this Sunday morning, temp 50 with mid level overcast in place. |
| 10/25/2010 |
9:00 AM |
T |
M |
M |
M |
M |
Temp range 68/52. Overcast skies with ocnl binovc on Sunday, allowing for dim filtered sun through mid and upper level cloud deck. A few light showers passed thru after dawn today, but T amount was recorded. At 9am obs time, temp already up to 64. |
| 10/26/2010 |
9:00 AM |
0.24 |
M |
M |
M |
M |
Temp range 68/49. Overcast and very mild. Around 12 noon...(11am E.S.T.) light to moderate rain overspread the area, advancing from the southwest. Ended before 19:00 (18:00 E.S.T.). After 20:00, skies began to clear with patchy fog forming, and no wind. At obs today, CAVU...deep blue skies, no wind temp at 58...but ground, grass, shrubs, everything is soaked.
We are in day 2 of being in the warm sector...a strong cold front and pre-frontal squall line arrives tonight. |
| 10/27/2010 |
8:00 AM |
0.13 |
M |
M |
M |
M |
Temp range 73/50. Partly sunny skies Tuesday morning yielded to more clouds by afternoon, with a brief PM shower after 14:00 (13:00 E.S.T.). More sun mixed with clouds afterwards. Main rain shield arrived after 20:30 and continued past 23:00. Winds were steady most of the day into the evening, avg 10-20knts...along with flying leaves. Trees becoming more and more bare, lots of leaf litter on ground. Dry slot arrives after midnight...and CAVU overnight as moon lights up landscape. At obs, CAVU..deep blue sky..temp at obs at 50. Dry slot prevails for now. |
| 10/28/2010 |
9:00 AM |
0.02 |
M |
M |
M |
M |
Temp range 71/51. Wednesday featured CAVU conditions all day...incredibly deep blue skies, visibility 100 miles.
Winds generally light out of SW. Very dry air stream entrainment due to big storm over western Ontario. RH values dropped to 30% by mid afternoon. By 18:30, the first signs of distant mid level clouds appeared W to NW of station. Overnight, one patch with shower made it through. Then skies cleared out after 2am. Daytime today dawned bright and sunny...but the main cloud shield (not a fragment) swooped in from the west,
and skies now solid overcast at 09:30 deadline time, with a temp of 57. |
| 10/29/2010 |
9:00 AM |
0.03 |
M |
M |
M |
M |
Temp range 58/43. Significant cloud deck from wraparound moisture arrives around 09:00 Thursday. Remained overcast and breezy remainder of day, as temps slowly dropped into the low 50s by late afternoon. Some light rain-showers noted, times unknown...probably after dark, as daytime surfaces remained dry or damp near leaf piles. At obs today ending at 09:00 (08:00E.S.T.), some partial clearing with temp at 45. |
| 10/30/2010 |
9:00 AM |
0.04 |
M |
M |
M |
M |
Temp range 46/35. Overcast skies, and at times gloomy with a rain shower that took place during the noon hour on Friday. Overnight, skies turned mostly clear for a spell, allowing temps to drop into 30s after sundown. Morning obs featured early sun followed by a rapid increase in mid-high level clouds...as the day would feature a warm up ahead of next cold front, due to arrive later Saturday night. |
| 10/31/2010 |
9:00 AM |
0.00 |
0.0 |
M |
M |
M |
Temp range 58/38. Mainly mid level clouds in place with sunny breaks and thin spots in overcast. Nice warmup after a cold start early Saturday (yest min 35), as temps ramped to upper 50s. Around midnight, stronger winds heard, heralding arrival of cold fropa, which was dry...no precip. At obs at 9am, 40 deg with low Sc deck moving in and a NW breeze, but light. |
| 11/1/2010 |
9:00 AM |
0.05 |
T |
M |
0.0 |
M |
Temp range 45/32. Overcast and cold. First appearance of snow made its debut after 18:45. Most of it mixed with rain, but no doubt. No accumulation. WNW wind, but not strong. At obs today, still low Sc overcast and temp of 35. |
| 11/2/2010 |
9:00 AM |
0.00 |
0.0 |
M |
M |
M |
Temp range 41/27. Previous day starting at 09:00 (08:00 EST) featured typical mid-autumn conditions. Solid Sc cloud deck, light NW breeze. After 16:00, clearing from the north...setting the stage for radiational cooling. Resulting in our first hard freeze, with 27 degree low registered between 21:30-21:50 EDT. Afterwards, temps rose into low 30s with return of Sc cloud deck. At obs this Election morning, broken Sc and 33. |
| 11/4/2010 |
8:00 AM |
T |
0.0 |
M |
M |
M |
Temp range 56/30. Wednesday featured CAVU conditions and just a light SSW breeze. Mid-high level clouds rolled in quickly from Michigan/Ontario by 16:00 (15:00EST), in advance of evolving upper level system and cold front. Overnight, partly cloudy to cloudy with temps rising after midnight. Light drizzle arrived during dawn, but T amount thru 08:00 (07:00EST)
obs. |
| 11/5/2010 |
7:30 AM |
0.36 |
M |
M |
M |
M |
Temp range 48/40. Thursday featured low-mid overcast skies, some patchy morning drizzle. Sun dimly visible early afternoon, but most of day rain-free. After 19:30 (18:30 E.S.T.), rain moved in and continued on and off thru the night up to the 07:30 (06:30 E.S.T.)
obs...where it was still raining and 40 deg, no wind. |
| 11/6/2010 |
9:00 AM |
0.15 |
M |
M |
M |
M |
Temp range 41/35. Overcast, periods of light rain or drizzle for much of the period. No snow seen here, reports of snowflakes above 1700 feet south of here in Bristol Hills. That would be 1150 above this obs site. |
| 11/14/2010 |
9:00 AM |
0.00 |
0.0 |
M |
M |
M |
Temp range 64/32. At obs, 52 with increasing mid-level clouds from west. Saturday was day number 4 of pristine
November wx...virtually no wind and temps rising to their
highest levels since mid-October, and likely the highest for the month. An ocnl light E to NE puff of air. Sounds travel far in this environment. Lots of leaf blowing heard and neighbors outside putting on their snow tires or riding their motorcycle. It was that kind of day. Overnight, variable amounts of mid and high level clouds. |
| 11/15/2010 |
7:00 AM |
0.18 |
M |
M |
M |
M |
Temp range 63/32. Sunday morning partial sun quickly gave way to deep layered clouds by late morning, with periods of rain in the afternoon. Another round developed Sunday night...as temps fell into the 40s.
At obs, mostly cloudy and in the low 30s. No wind. |
| 11/17/2010 |
8:00 AM |
0.85 |
0.0 |
M |
M |
M |
Temp range 55/47. Dimming morning sunshine went away quickly Tuesday with lowering and thickening clouds from south. Rain shield over PA quickly moved in and first raindrops arrived by 13:53. Temps hit their high of 54.7, then slipped back to upper 40s by 16:30..
then started rising to 51 by midnight. SE winds became evident by 20:30 and were strong at times overnight. At obs today, SW breeze, no precip falling and temp at 50. |
| 11/25/2010 |
8:00 AM |
0.00 |
0.0 |
M |
M |
M |
Temp range 39/24. At obs, mid level overcast, 32.
Previous day was CAVU till early afternoon, when high clouds seen over SW horizon...rapidly moved in. By 1530,
overcast with traces of blue sky to NE. Temps failed to climb above 40, with a light NW/N breeze. Overnight, high level deck thinned out, allowing for additional radiational cooling. At presstime...obs time, rain and mixed precip is at our doorstep |
| 11/26/2010 |
9:00 AM |
0.17 |
0.0 |
M |
M |
M |
Temp range 42/32. At obs, partly cloudy (Sc clouds), windy and 33. Thanksgiving Day featured wall to wall gray skies with some light rain midday into early afternoon..then a break, then more rain after 21:00. SE winds all day kept the smoke away. Fropa occurred shortly past 05:30, with a wind shift to W and dewpoint drop. |
| 11/27/2010 |
9:00 AM |
T |
1.0 |
M |
1.0 |
T |
Lake effect clouds took over our skies on Black Friday, with flurried developing in the mid afternoon. Overnight, another burst of light snow that gave us our first white ground since last February. Brisk SW to W winds at times. At obs, partly sunny and 33. Temp range 34.5/28. |
| 11/30/2010 |
8:00 AM |
0.01 |
0.0 |
M |
0.0 |
M |
Temp range 49/29. At 08:00 obs, light rain, brisk SE wind, 46 deg F. Previous day featured a frosty start (early Mon, 11/29)and mostly sunny skies, despite high cirrus present. Frost on ground in shadows remained to about 11:00. Solar noon at 11:59am. Skies increased in cloud coverage in the afternoon. Overnight, skies cleared after sundown, but re-clouded after 23:30. Showers arrived by 07:00 but only .01 in rain gauge by 8am obs. |
| 12/1/2010 |
8:32 AM |
1.47 |
0.0 |
M |
0.0 |
M |
On and off showers for the last day of November. Overcast skies, but higher clouds visible with sun dimly visible in early afternoon as we broke into warm sector.
Brisk SE winds gusting to 25 knts. Starting after 15:00, steadier rains returned...but light. Consistent rains continued into the night while temps continued to slowly rise. Max temp of 57.9 occurred after 02:00 and maintained their lofty levels up through at least 02:50 when this observer was up to verify temp. Cold fropa occurred shortly later, and was 44 degrees by 05:45. Heaviest rains seemed to occur following fropa...a case study of an 'anafront.'
a slow moving cold front with copious amounts of moisture being lifted above the advancing dome of cold, low level air. At obs, moderate rain and 38 deg,
N to NW wind, water seeping into north exposure spots.
Temp range 58/39. Temps to continue fall steadily today...rain to end as wet snow at back end of precip shield. Incremental rainfall amount data: by 12:00-.06
18:20-.08, 21:05-.14, 24:00-.11, 08:32-1.08 (obs time)
=1.47" liquid. |
| 12/2/2010 |
9:00 AM |
0.67 |
2.7 |
M |
1.5 |
M |
Moderate rain began to change over to wet snow at 09:40,
and by 10:00 was all snow. The snow continued until ending at 14:15. A heavy burst of snow preceded the ending. A wet snow that clung heavily to tree limbs and shrubs. One-two inches of heavy slush in streets,
even though more fell than that. Temps remained in the low 30s after changeover to snow. |
| 12/3/2010 |
8:30 AM |
T |
T |
M |
1.0 |
M |
Temp range 34/28. Overcast skies Thursday with a light W breeze, and temps that didn't budge much...mainly in lower 30s with a brief pop to 34 when skies brightened
in afternoon briefly. Overnight, overcast with breaks in overcast. A period of light flurries observed after 20:30, but T amount. At obs, partly sunny and 28 |
| 12/5/2010 |
9:00 AM |
0.07 |
1.2 |
0.07 |
2.0 |
M |
Temp range 34/23. Saturday featured grey skies with ocnl
periods of flurries during the day. After dusk, which is now around 16:30, steadier light snow started coating area roadways/driveways. Overnight, periods of S-- continued. At 09:00 obs, S-- temp at 24. A little over an inch of new snow. More continues this Sunday past the 9am cutoff time. |
| 12/6/2010 |
7:00 AM |
0.27 |
5.5 |
M |
7.0 |
M |
Temp range 30/23. Overcast with flurries Sunday that gave way to steady and then heavy snow during mid afternoon. Snow, moderate to briefly heavy at times Sunday evening with strong lake effect snow band drifting south from northern Monroe County. Lake Huron connection enhanced this snow event. Snow was measured at 18:00 and then again at 24:00 Sunday night.
WNW to NW wind did cause some blowing of snow off roofs and trees, but overall, not much drifting seen.
Melted H2O equiv values might be on low side, given the amount of snow that fell. Calender day snowfall was higher than 5.5, probably 6.7" for storm total, midnight to midnight. Snow depth as indicated made at numerous locations, seems pretty consistent at 7". |
| 12/7/2010 |
7:30 AM |
0.17 |
6.5 |
M |
9.0 |
M |
Temp range 27/22. Snow diminished or stopped for a good part of daytime Monday. Monday evening, Lake Ontario snow returned and continued most of the night. At 0735 this morning, this observer is dealing with deep winter conditions...unusual for so early into meteorological winter. Snow that has fallen is very light...ivory snow texture. Water meltdown for 24 hour is only .17, and that value could be off due to blowing and exposure issues. |
| 12/8/2010 |
7:30 AM |
0.17 |
5.6 |
M |
10.0 |
M |
Temp range 27/20. Moderate lake-effect snow fell during Tuesday morning and quit about 13:45. Remainder of day snow free. At dusk, flurries noted..then quit. After 23:30, another round of snow fell..then quit. After 02:00, another lake-effect band came in. And quit by 07:15. Shortly after obs was taken (07:30), and brief burst of flurries at 07:45. NW wind, 5-20 knots, temps in the 20s, but only about a 5 to 7 degree diurnal range. Its getting old. Ready for a break. That commences later today. |
| 12/9/2010 |
8:00 AM |
0.03 |
0.8 |
M |
9.0 |
M |
Temp range 25/08. Best looking day yet, with plenty of sunshine for brief periods and then lake effect snows that fell periodically, including one that arrived after 23:00. At obs today, CAVU, lake effect cloud street visible near north horizon, temp at 9 deg.
and gentle SW breeze at 3 knots. |
| 12/11/2010 |
9:00 AM |
T |
0.1 |
M |
4.5 |
M |
Temp range 36/33. Friday featured gray skies and a significant warmup. SE to S breezes. Temps continued to rise pretty steadily, hitting a Friday daylight high of 35 after 17:00, despite some light snowshowers falling. Overnight, spotty drizzle as temps remained in mid 30s. Snowpack noticeably compressing and very packable now for snowball or snowman making. |
| 12/12/2010 |
8:30 AM |
0.03 |
0.0 |
M |
2.0 |
M |
Temp range 41/32. A real thaw underway during this period. Saturday skies were low inversion stratus in AM, but then slow clearing from the south arrived after 13:15. Patchy clouds reformed during the afternoon. Mild, great for snow-raking the roof. Air very still Saturday daytime, but an E/SE wind picked up after 20:00. Rain showers arrived by dawn. At obs, just overcast. Snowpack markedly lower, with grass visible some spots where wind earlier in week has scooped it out. |
| 12/13/2010 |
8:30 AM |
0.05 |
T |
M |
1.0 |
M |
Temp range 42/22. At obs, 22 with light flurries underway. Our two day thaw now over, we prepare to hunker down with a fresh blast of Arctic air. Sunday was mild with ocn'l rain, and most of snowpack gone, with large areas of grass visible. Overnight, cold frontal passage...two of them. The second front ushered in Arctic air, and temps are still dropping. |
| 12/14/2010 |
6:00 AM |
0.12 |
2.5 |
M |
3.0 |
M |
Temp range 19/11. Arctic air firmly in place. Multiple lake-effect snow streamers from Lake Ontario gave us a coating starting around 08:30 Monday. Snows picked up during the overnight with temps hovering around 11 degrees. At obs, very small, fine snow falling and 11 degrees. N to NW wind 10-15knots. Final obs for the week. Observer heading to warmer climes. |
| 1/5/2011 |
9:00 AM |
0.13 |
2.6 |
0.13 |
2.0 |
M |
Temp range 38/22. Clouds early Tuesday gave way to mostly sunny skies by later morning, then back to increasing low-mid clouds in PM. Alberta clipper was crossing the Toronto-Kingston corridor, placing us in a warm sector of sorts. After 14:30, solid overcast with significant darkening, and flakes became observed by 15:30. Temps above freezing at that point, around 33-34, so whatever fell melted in the beginning. Intensities of snow picked up rapidly after 16:00 and continued that way till past 18:30 when it let up. Most of night snow-free, but another round did fall sometime during the night, getting the combined snow total to 2.6". Little wind observed during the event, and snow catch exposure on wooden board was excellent. Driveway and sidewalk had to be shoveled. Was light and fluffy...tho first few hours the snow was heavy and clung to every tree branch in creation. At obs, 24 deg and partly sunny...patchy Ac clouds. WNW breeze at 10knts. |
| 1/6/2011 |
9:00 AM |
0.01 |
0.3 |
M |
1.5 |
M |
Temp range 30/13. Partly sunny day with one notable exception. A burst of moderate to heavy snow for 5-10 minutes in the early afternoon, after 13:00. Due to a lake-effect snowband. A quick .3" fell. Remainder of day featured clear to partly cloudy skies. Overnight, same story. Light breeze to near calm allowed for good radiational cooling. |
| 1/9/2011 |
8:00 AM |
0.15 |
3.2 |
M |
4.5 |
M |
Temp range 29/20. Limited sunshine Sat. morning, then it clouded over with light snow breaking out after 1600. A heavier burst occurred during dusk, piling up to a quick 2". Overnight till 08:00 obs time, an additional 1.2" fell. Meltdown number is an estimate; inner tube for rain-gauge could not be found. Melt-down amount is an estimate. Snow is very fluffy. |
| 1/10/2011 |
8:00 AM |
T |
0.2 |
M |
4.0 |
M |
Temp range 26/17. Light snowshowers daytime Sunday replaced by a clearing trend with sunshine and Sc clouds in the afternoon. Overnight, clear to cloudy at times. Another dusting of snow noted. |
| 1/11/2011 |
9:15 AM |
0.00 |
0.0 |
M |
2.5 |
M |
Temp range 26/23. A sunny morning that became mostly overcast by midday on...a Sc deck developed at the subsidence inversion level...about 3500-4000 ft. Overnight, it remained overcast as higher clouds moved in. Light W breeze of 5 knts noted, allowing for thick smoke and burning eyes as this observer cleared remaining snow off dw. Shortly thereafter, winds shifted to N then to NE, which is case this morning, though it is barely felt. At obs, 24 and sky that appears obscured..no definition to the cloud deck. New snow not far away? |
| 1/12/2011 |
9:00 AM |
0.39 |
4.0 |
M |
5.5 |
M |
High 27. Overnight Low 18. Snow continues to fall light at observation time. About 4" of new snow for this event,
though snow/water ratios appear to be running at 10:1.
Snow meltdown figure accurate. Winds are light NE/N, and temp is 21 at obs time. Event started just before 1900 Tuesday night, and within half hour, intensities had picked up markedly. Little drifting, but there is some noted at obs time at site of snow measurement. |
| 1/13/2011 |
7:00 AM |
0.13 |
4.5 |
M |
10.0 |
M |
Temp range 22/09. Snowed all day, finally shutting down
as flurries by 20:15. Snowfall was very low density. Actual snowfall measurement at 23:15 Wednesday night, with 4.5" of new snow since surface was last cleared at 09:00 hour Wednesday. Meltdown number more in line given the low density. Shutdown of snow was complete
with a low overcast in place. Cold air advection and some increase in wind noted during the night. Temps hitting some low levels finally for min. Mins below 10 deg F a rare phenomena this winter season. At obs, overcast. |
| 1/14/2011 |
8:15 AM |
T |
1.4 |
M |
9.0 |
M |
Temp range 19/12. Temp at obs, 17. Overcast with binovc
noted Thursday. A few flurries, but mainly snow-free. Overnight, temps rose to 19, matching Thursday daytime high. After 0200, skies partially cleared, temps dropped to 12...then, a shot of LES got underway at dawn, with 1.4" of fluff measured at obs time. Still in progress as of 08:45. |
| 1/17/2011 |
8:00 AM |
T |
0.5 |
M |
6.5 |
M |
Coldest 24H period for this winter. Temp range 21/-8.
Intervals of sun and Sunday morning flurries. Afternoon was mainly sunny, but LES cloud band seen to north of Webster on a trip there. Sunday night, Sc lake clouds linger with stiff WNW breeze. A dying LES snow band arrives towards midnight, giving us another .2" of fluff. After that band moved away, no wind noted and bright moonlet sky on shining on snowpack, as temps start to plummet. Temps were +8 with S- at midnight. But by 01:30, temps were down to +3. By 0748, patchy Sc and -7.6. Pittsford station just west of here by 2 miles had -9. Honeoye Falls had -10. Official airport reading -6 on 0800 obs. Statewide, -27 at SLK. Sunday also featured CAA for much of the day, with temps steadily falling from low 20s to 18 by 15:00, and 11 by 19:30. But the big drop in temps finally occurred with the passage of the final LES band...and a strong ridge of CA high pressure sailing right over us after 01:00. Nice recovery expected today...to the low 20s..then temps expected to rise tonight with approaching midwest low and SE winds. |
| 1/19/2011 |
8:30 AM |
0.10 |
0.2 |
M |
3.5 |
M |
Temp range 45/27. Second warmest day of the month, and the first real thaw since January 1st. Tuesday featured some partial clearing with intervals of sunshine. Gentle S breezes, a downsloping breeze at that, helped boost the mercury. After 18:00, light rain returned in advance of cold front. Temps dropped slowly, 34 noted around midnight. A changeover to light snowshowers by dawn. At obs, low overcast, gentle N breeze, 27. Snowpack down a bit and roof of homes visible except for new sugar coating. |
| 1/20/2011 |
8:45 AM |
0.02 |
0.2 |
M |
3.5 |
M |
Temp range 27/13. Overcast skies all day, with a light N breeze. Light snow quit by mid to late morning. In the evening, cloud deck started to thin out. Temps remained near 26-27 during daytime hours, then were near 24 in the evening hours. After 00:30, skies cleared, allowing for temps to hit a 12.8 degree low. Today, thru 09:00...bright sunshine, no breeze, beautiful winter day in progress, as high pressure bubble moves over region. |
| 1/21/2011 |
8:00 AM |
0.10 |
1.5 |
M |
5.0 |
M |
Temp range 27/20. Thursday morning sun ended abruptly by 11:00 with the arrival of SC clouds and light snowshowers,courtesy of the Lake Erie band. On and off SW
through the PM, but no accumulation. Then, after 19:00, synoptic snows arrive courtesy of Ohio Valley wave. Ended after 23:00, but precise time not noted.
Flakes were small for that event, but roads became slick very fast with closely packed small flakes. DW was plowed at 05:35, despite snow event not meeting plow criteria for contractor. Town also plowed shortly thereafter. At obs time, sun and patchy thin Sc clouds, a bit hazy as well. Temps near 22. Meltdown is an ESTIMATE, no raingauge out during event. |
| 1/22/2011 |
9:00 AM |
T |
0.2 |
M |
4.0 |
M |
Temp range 22/12. Strong and gusty W winds Friday, with the passage of cyclone to our north over southern Ontario. High winds gusting to 35 knts, along with a mix of sun and clouds. Friday night featured lowered wind speeds and patchy clouds with a passing flurry. Quiet by Saturday morning, with sunshine and a gentle W breeze at times by obs time. |
| 1/23/2011 |
9:30 AM |
0.13 |
2.7 |
M |
7.0 |
M |
Temp range 20/09. A mix of sun and clouds for most of Saturday. Late in day, high clouds overspread our skies,
which thickened after nightfall. Light snow arrived after 23:00, but very light. Intensity picked up overnight, as re-enforcing shot of cA air arrives. This cold lobe of Arctic air will make this the coldest period of winter, thus far. Light NNE winds noted at obs time. Meltdown amount is ESTIMATED; snow measurement is actual. Snow very powdery, in this cold. |
| 1/24/2011 |
9:00 AM |
T |
0.2 |
M |
7.0 |
M |
Temp range 12/-11.
Intervals of sun and lake-effect snow during Sunday daytime. Final squalls around 15:30, then gradual clearing. Temps dropped below zero F at 18:30, rising above zero at 09:05 today. There were two low temp times overnight. First one occurred before 24:00, with a min to -9.5. Then temps rise to -2 with some low level clouds after midnight. At 06:00, skies began to clear again with a -5 temp. It bottomed out to -11 (-10.5)at 08:10. Some stations south and southeast of here reached -15 F, such as in Canandaigua airport. |
| 1/25/2011 |
8:00 AM |
0.01 |
0.3 |
M |
6.5 |
M |
Temp range 20/15...rising to 30 at 08:00 today. Some morning sun that gave way to increasing mid and high level clouds pm. Day was still mightly cold, as temps slowly rose into the upper teens to 20. After 19:00, light snow arrived, but amounts under a half inch. Temps dropped to 14.5 then slowly rose to 20 by 23:15, and then continued to rise overnight, with 29.5 by 07:00. At obs, low overcast and 30. |
| 1/26/2011 |
9:00 AM |
T |
0.2 |
M |
6.0 |
M |
Temp range 35/28. Mainly overcast skies all day into the overnight hours. A spits of light snow or snowgrains during day, and briefly in the evening after 18:00. Remainder of night was snow-free. Winds as of obs have shifted to SE, thus keeping any smoke away. |
| 1/27/2011 |
8:00 AM |
0.03 |
0.6 |
M |
5.5 |
M |
Temp range 37/26. At obs, light snow, fluffy, and 27.
Previous day featured day 2 of a 'light' thaw, with the mercury above 32 for most of the day after 10:30. Overcast day, sun dimly visible at times with a SE to NE breeze as the day progressed. Atlantic storm blasting coast, but too far away to affect us here. Colder air worked in during night, with colder W to WNW breezes at obs time, and smoke noted by 08:25. |
| 1/29/2011 |
9:00 AM |
T |
0.2 |
M |
M |
M |
Temp range 34/21. Overcast skies Friday, with a few snowshowers that developed after 15:45. Activity quit by 18:00, little accumulation noted. Overnight, overcast with a few breaks (Sc clouds)as temps slowly bottomed out to about 21. At obs, mid-level overcast in place..sun dimly visible. Temp at 23. |
| 1/30/2011 |
9:10 AM |
0.03 |
0.5 |
M |
5.0 |
M |
Temp range 30/21. Overcast w/ sun dimly visible at times Saturday. Clipper system brought 0.2 during daytime hours. Clearing noted with partial sun returning after 15:45, as high cloud shield retreated. However, low clouds returned, with lake flurries Saturday evening. A new burst of light snow returned Sunday morning after 07:30, with another .3 noted by obs time at 09:10. Maximum temps trending colder than previous days...never getting above freezing Saturday.
All eyes on this week's upcoming snow event for Tuesday night-Wednesday. |
| 2/1/2011 |
9:00 AM |
0.10 |
1.0 |
M |
6.5 |
M |
Temp range 21/11. At obs, 14. Monday featured morning sunshine, but increasing high clouds and sct'd to bkn Sc
clouds as well during midday period. Overnight, mid to high overcast. Light snow broke out after 5am, associated with warming aloft, but by 9am, over. Snow water meltdown is measured and accurate. |
| 2/2/2011 |
9:00 AM |
0.46 |
3.3 |
M |
10.0 |
M |
Temp range 21/18. Overcast skies, mainly mid-level clouds with lower level Sc showing up in the afternoon. Surface winds light but steady, out of the E to ENE at 10knots or less. Snow arrived at about 22:30 and continued through the night, but ended as some light sleet and freezing rain...then completely quit by dawn. Snow accumulations way lower than forecasted...a big bust for area tv forecasters. More snow will develop later today in the wake of the departing surface cyclone...that passes over WNY later this morning. |
| 2/4/2011 |
9:00 AM |
0.00 |
0.0 |
M |
10.0 |
M |
Temp range 30/13. Finally, a day that featured wall to wall sunshine and deep blue skies. Some patchy Sc noted by late morning, early afternoon. Temps struggled to reach to near 30, though official airport reading was in upper 20s. |
| 2/5/2011 |
9:00 AM |
0.00 |
0.0 |
M |
9.0 |
M |
Temp range 31/06. Day number 2 of deep blue skies and sunshine. Only exception was a sheet of As/Ac clouds that rolled in from N/NW after 10:45, then lifted north of us after 13:30...with the cloud sheet visible remainder of day towards northern horizon. Friday night, mainly clear, patchy Ac, temps bottomed out at
midnight to 01:30 time frame, then slowly rose towards dawn. At morning obs, partly sunny w/ increasing mid-high clouds...temps rising into 20s. |
| 2/9/2011 |
9:00 AM |
T |
T |
M |
12.0 |
M |
Temp range 15/07. Mostly cloudy skies, a stiff W-NW wind,
and temps that held in low to mid teens for the entire day Tuesday. Overnight, clear to partly cloudy with a lighter breeze continuing. At obs, mainly sunny and 12. |
| 2/14/2011 |
9:00 AM |
T |
0.0 |
M |
9.5 |
M |
Temp range 47...overnight MAX. Temps rose consistently from Sunday morning obs, which was 32 at 09:00. Skies were Sc overcast in morning with binovc. But by afternoon, mid-high cloud deck had arrived, beneath the lower layer sc deck that was dissolving. Sunday night into Monday morning, temps rose to a max of 47 by 05:30. Along with that, the arrival of stronger WSW
winds gusting to 30knots. At obs, temp 42, WSW wind noted along with fresh smoke from neighbor's home. |
| 2/19/2011 |
8:00 AM |
0.02 |
1.0 |
M |
2.0 |
M |
Temp range 55/23. The warmest temperatures for the year since New Year's Day. The day featured increasing WSW winds which got much stronger later in the day and into Friday night...gusts frequently to 40 and 45 knots. Azure blue skies with virtually no clouds to be seen during the day. After 22:00, Sc cloud deck visible north of station. Skies clouded over after midnight, and snowshowers broke out prior to dawn. At obs, moderate snow falling, visiblilities down to half to 3/4 mile in snow. WNW winds are already diminishing, but temps now in lower 20s. Old snowpack GONE on many lawns...the high winds from Friday combined with high winds and very low afternoon humidities...25-28%...just ate the snowpack. Many piles still exist and average snowpack likely down to a couple of inches at most. New snow on ground 1" with grass blades visible. The mid-February thaw was spectacular and a welcome break from this relentless winter. |
| 2/25/2011 |
8:00 AM |
0.22 |
2.0 |
0.22 |
M |
M |
Temp range 41/30. Thursday featured overcast skies and a rapid temp warmup. Very light WNW breeze that gradually veered to the N and NE by late in day. Overnight, temps near 32 with snow breaking out sometime after 5am. As of 8am obs, 2" on ground, and snowflakes very small and stinging upon impact on observer's face. Wind from N picking up towards this time...up to 15-20 knts, with some blowing snow seen coming off trees. Snowfall appears to be a 10:1 ratio, so not as fluffy as previous recent snow events. |
| 2/26/2011 |
8:00 AM |
0.53 |
8.0 |
M |
12.0 |
M |
Temp range 32/10. Snow tapered off to flurries and then partial clearing after 16:15. Gusty N winds in the morning, gradually subsiding in the afternoon hours. Overnight, partly cloudy...sc and mid level clouds, temps hit mins before sunrise. |
| 2/27/2011 |
9:00 AM |
0.15 |
1.8 |
M |
12.0 |
M |
Temp range 34/27. Brief morning sun replaced my mid level deck of As clouds. Light snow broke out after 19:00 and ended prior to dawn. Generally fluffy, and just under 2" fell, enough for a plow to show up. At obs, sunshine returning with Sc clouds, temps in lower 30s. |
| 3/5/2011 |
8:30 AM |
0.08 |
0.0 |
M |
4.0 |
M |
Temp range not avbl. Overcast skies, with some light drizzle and light rain breaking out after 16:30. On and off precip overnight. SE wind increasing in speed during morning hours Saturday. Another thaw underway, with temps expected to surpass 50 Saturday. |
| 3/6/2011 |
7:30 AM |
0.49 |
1.2 |
M |
1.0 |
M |
Temp range 50/28. Saturday featured gray skies and a genuine thaw...while periods of rain and drizzle fell. Saturday night, a brief break from time to time, but shortly around dawn, light rain changed over to light snow. Temps were at 28 at obs time. Been the story of this winter. Get a thaw, get a significant snowfall within hours of the thaw ending. |
| 3/7/2011 |
8:00 AM |
0.27 |
3.0 |
M |
4.0 |
M |
Temp range 29/21. Light snow finally ended shortly before 3pm Sunday. Overnight, low overcast with light N/NW breezes. At obs, some sun breaking through a bit
and temps in mid 20s. |
| 3/30/2011 |
9:00 AM |
0.00 |
0.0 |
M |
T |
M |
Temp range 43/23. Mainly sunny skies once again the story for Tuesday, the 4th day in a row. A steady WNW breeze, but under 20 knts. Except for one patch of clouds that rolled in from the west mid to late morning, the remainder of the day featured abundant sunshine. Overnight, clear skies...and temps dropped 20 degrees from their earlier maximum..to a low of 23.
Starting out today, Wednesday...still sunny..but changes are coming. |
| 3/31/2011 |
9:00 AM |
0.08 |
0.8 |
M |
1.0 |
M |
Temp range 50/32. Skies were again sunny with deep blue skies..then, after 14:30...high clouds streaked in rapidly and quickly lowered to a mid level overcast layer by 16:30...with sun dimly visible before it blinked out. Overnight, lowering overcast, no wind to speak of...snow broke out after 4am. Streets are wet, but snow is on roof and grass. Temps in lower 30s. |
| 4/13/2011 |
8:00 AM |
0.77 |
0.0 |
M |
0.0 |
M |
Temp range 54/43. Much cooler wx returns to the district following the 'heat blast'of Monday. Skies were variable, with morning mid-high overcast deck retreating to the S and SE by mid-day. Skies were mainly sunny during the first half of the afternoon. After 15:30, mid-level Ac deck quickly surged northbound. Towards evening, As/Cs deck parted near the WNW horizon to allow a spectacular view of sunset at Woodcliff Conference Center, at precisely 18:50 EST
(19:50 EDT). Following sunddown, skies clouded over again with NE breezes continuing. Rain arrived after 01:45, with backyard puddles noted on the grass. At obs at 06:40 EST (07:40 EDT), light rain and 43 deg.
|
| 4/14/2011 |
8:00 AM |
0.13 |
0.0 |
M |
0.0 |
M |
Temp range 47/37. Low overcast skies. AM rain tapered off by midday, then more drizzle appeared during dusk and into the 2100 hour (2000 EST). Daytime temps peaked
towards 1500, with lite ENE flow, then a windshift to N-NW after, and that's when temps fell to lower 40s remainder of day. Slow clearing noted after 0100 today.
At obs, mainly clear, but ground and grass soaking wet.
Temps in lower 40s. |
| 4/20/2011 |
7:00 AM |
0.89 |
M |
M |
M |
M |
Daytime high Tuesday only 42. Overnight temps slowly started to rise. After 01:00, a series of thunderstorms and heavy rain showers were heard up through 04:00 EDT,
then rain only past that hour. At obs, 0640EDT, just a light drizzle falling, temp at 46. |
| 4/21/2011 |
8:00 AM |
0.05 |
M |
M |
M |
M |
Temp range 66/38. A brief visit again from the 'warm sector,' as temps rose to a midday high of 66. Cold fropa occurred shortly after 13:15. Light to moderate rain showers at that time, but then it quickly ended. Winds increased notably following fropa. Clouds parted briefly to allow some sushine, before cold air Sc clouds took over. These clouds then stubbornly stayed in place through the end of the day and into the night.
Winds remained strong into most of the night, 15-35knots. At obs, Sc overcast, much lighter W/NW breeze, temp at 39. |
| 8/15/2011 |
8:00 AM |
1.91 |
M |
M |
M |
M |
Heavy rain and thunderstorms rumbled across this station locale commencing at 13:20 EDT. The bulk of the activity
was over before 18:00. Only lingering drizzle at times overnight. At obs time of 08:30 EDT, mostly cloudy...breaks of blue sky to the north. Temps near 70. |
| 8/21/2011 |
10:30 AM |
0.30 |
M |
M |
M |
M |
Late OBS time. Rainfall on this Sunday morning was underway when raingauge was emptied. All in association
with approaching cold front. Deep moisture layer...dark morning with thick cloud cover. |
| 8/22/2011 |
9:00 AM |
0.45 |
M |
M |
M |
M |
Rainfall data from 10:30am Sunday through the 9am obs time today, Monday. Sunday featured overcast skies, with frequent showers. Some sunshine between shower bands appeared after 16:00 Sunday. But another round of moderate rain followed by 18:00. Day as a whole was a 'dark' day given the dense clouds for much of the day, and lowering autumnal sun angle. At obs Monday, mainly sunny, some sct to bkn Sc clouds...the air has a real autumnal feel to it..brisk NW breeze. |
| 8/23/2011 |
8:00 AM |
0.02 |
M |
M |
M |
M |
One beautiful cool day...autumn-like, with high temps barely reaching 71 for the high, and 55 for the minimum.
Partly cloudy skies for much of the day, Cu cloud streets visible. In late afternoon, mainly clear but billowy Cu persisted well south of I-90. Some high Ci
noted after 1700. Overnight, a vort lobe combined with possible lake effect produced some showers after
22:45 EDT. Partial clearing noted after midnight.
At obs, mainly clear..patchy Sc clouds...min of 54 today. |
| 8/25/2011 |
8:00 AM |
1.00 |
M |
M |
M |
M |
A line of thunderstorms and rain showers arrived just
before midnight. Shortly before 03:00, a strong cell moved over us...producing hail, though this observer was unable to see the size of them due to darkness and the short duration, less than 2 minutes of the hail.
Morning wx at obs, sct low clouds and high clouds, but the airmass remains humid, despite passage of 1st cold front or trof-line. Yesterday was characterized by morning and midday clouds with the warm front, then latter day sunshine and clear into the evening past 22:00. Lightning flash were seen refracted over the horizon after 22:00 due to the distant line of TRW, that was at that time entering the US from the Canadian side. High temp of 81. Low near 60. |
| 9/5/2011 |
9:00 AM |
0.72 |
M |
M |
M |
M |
Rainfall tapered off before 09:00EDT. Earlier in the 24H
period, Sunday, day was rainfree until about 18:00, when first showers arrived. A high temp of 82 was accompanied by high dewpoints, near 70, and mostly cloudy skies with sun dimly visible at times. Heavier rain arrived after 22:00 and overnight. At obs, temps in lower 60s with light WNW breeze...with a cold front east of the area...but stalling out over central NY. |
| 9/6/2011 |
8:00 AM |
0.53 |
M |
M |
M |
M |
Temp range 67/57 low. A dark Labor Day with several periods of rain, torrential at times...mainly in the afternoon hours. Towards sundown, skies briefly became partly cloudy..pink hues in clouds seen. Overnight, mainly cloudy. Gentle N-NE breeze. |
| 9/7/2011 |
10:00 AM |
0.18 |
M |
M |
M |
M |
Temp range an abnormally cool 63/58. Skies mainly low to mid overcast, some sun dimly visible in the afternoon.
Overnight, overcast with light rain developing after 04:30. Winds during period out of NE 5-15knots, at other times near calm. Late obs time due to observer sleeping late...unusually dark and gloomy Wednesday morning. |
| 9/8/2011 |
9:00 AM |
0.13 |
M |
M |
M |
M |
Temp range 63/59. Rain shut down by midday Wednesday,
followed by a passing shower or two the remainder of the
day. Roads, parking lots were starting to dry by mid to late afternoon. Overnight, overcast with a patch of drizzle from time to time. Winds light NE, though at times it did pick up to 12-17 knots. At obs this day, a low stratus overcast in place...a light breeze less than 5 knots. |
| 9/15/2011 |
8:35 AM |
0.37 |
M |
M |
M |
M |
Temp range 70/51. Skies were mostly sunny with some Cu
during day and some haze aloft noted towards the W-NW. Late in day, after 17:00, mid-level clouds arrived..Ac,
which took over by 18:00. First drops of rain commenced at 21:30 and continues to obs time. R and 51. |
| 9/16/2011 |
8:30 AM |
0.06 |
M |
M |
M |
M |
Temp range 61/46. Morning showers ended before 10am Thursday, followed by partial clearing midday...from the NNW. Return of deep blue skies was quickly populated by instability Cu buildups. By later afternoon, mainly sunny skies. Overnight, lake clouds in the form of Sc and stratus took over..with another round of light showers after 5am today...lake effect induced. Total of .04 plus another .02 for the lake event gave this locale .06 total. Temps near 49 at obs. |
| 9/29/2011 |
9:00 AM |
1.20 |
M |
M |
M |
M |
Overcast skies yielded to periods of heavy rain, most of which fell after 17:45. Temps hit a high near 70, but
dewpoints remain stubbornly high for this time of year, near 62-64...so some inside A/C still on. Wet basement walls as well. At obs, low-mid overcast with
some light drizzle. |