Station Overview Station Location
Station Number CA-CC-8 Latitude 38.05446
Station Name Crockett 0.7 WNW Longitude -122.232718
County Contra Costa Elevation (ft) 213



Month 30 Yr Avg by PRISM Total Prcp Sum Days Covered By All Observations Daily Prcp Sum Daily Observation Count Multiday Prcp Sum Days Covered by Multiday Observations Multiday Observation Count Days With Prcp Days With Trace Total Snowfall Days With Snowfall Days With Snow On Ground
Oct 09 1.05 3.21 10 3.21 10 0.00 0 0 5 0 0.0 0 0
Nov 09 2.65 0.36 28 0.36 28 0.00 0 0 3 1 0.0 0 0
Dec 09 3.86 1.17 28 1.17 28 0.00 0 0 9 1 0.0 0 0
Jan 10 4.07 6.23 30 6.23 30 0.00 0 0 11 1 0.0 0 0
Feb 10 3.93 2.41 28 2.41 28 0.00 0 0 9 0 0.0 0 0
March 10 2.90 1.25 31 1.25 31 0.00 0 0 7 0 0.0 0 0
April 10 1.29 2.73 30 2.73 30 0.00 0 0 11 1 0.0 0 0
May 10 0.58 1.08 31 1.08 31 0.00 0 0 7 2 0.0 0 0
June 10 0.14 0.00 28 0.00 28 0.00 0 0 0 0 0.0 0 0
July 10 0.01 0.00 30 0.00 30 0.00 0 0 0 0 0.0 0 0
Aug 10 0.04 0.00 29 0.00 29 0.00 0 0 0 3 0.0 0 0
Sept 10 0.15 0.00 28 0.00 28 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 20.67" 18.44" 331 days 18.44" 331 0.00" 0 days 0 62 days 9 days 0.0" 0 days 0 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2009 0.00
10/2/2009
10/3/2009
10/4/2009
10/5/2009
10/6/2009
10/7/2009
10/8/2009
10/9/2009
10/10/2009
10/11/2009
10/12/2009 0.00
10/13/2009 0.28
10/14/2009 2.59
10/15/2009 0.02
10/16/2009 0.00
10/17/2009
10/18/2009
10/19/2009 0.02
10/20/2009 0.30
10/21/2009 0.00
10/22/2009
10/23/2009
10/24/2009
10/25/2009
10/26/2009
10/27/2009
10/28/2009 0.00
10/29/2009
10/30/2009
10/31/2009
11/1/2009 0.00
11/2/2009 0.00
11/3/2009 0.00
11/4/2009 0.00
11/5/2009 0.00
11/6/2009 0.00
11/7/2009 0.08
11/8/2009 0.00
11/9/2009 0.00
11/10/2009 0.00
11/11/2009
11/12/2009 0.00
11/13/2009 0.00
11/14/2009 0.00
11/15/2009 0.00
11/16/2009 0.00
11/17/2009 0.00
11/18/2009 0.04
11/19/2009 0.00
11/20/2009 0.00
11/21/2009 0.00
11/22/2009 0.00
11/23/2009 0.00
11/24/2009 0.00
11/25/2009 0.00
11/26/2009 0.00
11/27/2009 T
11/28/2009 0.24
11/29/2009
11/30/2009 0.00
12/1/2009 0.00
12/2/2009 0.00
12/3/2009 0.00
12/4/2009 0.00
12/5/2009 0.00
12/6/2009 0.00
12/7/2009 0.36
12/8/2009 0.02
12/9/2009 T
12/10/2009 0.00
12/11/2009 0.14
12/12/2009 0.23
12/13/2009 0.00
12/14/2009 0.00
12/15/2009 0.00
12/16/2009 0.06
12/17/2009 0.00
12/18/2009 0.00
12/19/2009 0.02
12/20/2009 0.02
12/21/2009 0.04
12/22/2009 0.00
12/23/2009 0.00
12/24/2009 0.00
12/25/2009 0.00
12/26/2009 0.00
12/27/2009 0.28
12/28/2009 0.00
12/29/2009
12/30/2009
12/31/2009
Day of YearDaily PrcpMultiday Prcp
1/1/2010 0.00
1/2/2010 0.03
1/3/2010 0.00
1/4/2010 0.00
1/5/2010 0.00
1/6/2010 0.00
1/7/2010 0.00
1/8/2010 0.00
1/9/2010 T
1/10/2010 0.00
1/11/2010 0.00
1/12/2010 0.20
1/13/2010 0.14
1/14/2010 0.00
1/15/2010 0.00
1/16/2010
1/17/2010 0.06
1/18/2010 0.16
1/19/2010 1.51
1/20/2010 1.75
1/21/2010 1.18
1/22/2010 0.65
1/23/2010 0.22
1/24/2010 0.00
1/25/2010 0.33
1/26/2010 0.00
1/27/2010 0.00
1/28/2010 0.00
1/29/2010 0.00
1/30/2010 0.00
1/31/2010 0.00
2/1/2010 0.00
2/2/2010 0.00
2/3/2010 0.00
2/4/2010 0.00
2/5/2010 0.45
2/6/2010 0.39
2/7/2010 0.02
2/8/2010 0.00
2/9/2010 0.22
2/10/2010 0.00
2/11/2010 0.00
2/12/2010 0.02
2/13/2010 0.00
2/14/2010 0.00
2/15/2010 0.00
2/16/2010 0.00
2/17/2010 0.00
2/18/2010 0.00
2/19/2010 0.00
2/20/2010 0.00
2/21/2010 0.00
2/22/2010 0.10
2/23/2010 0.00
2/24/2010 0.55
2/25/2010 0.00
2/26/2010 0.02
2/27/2010 0.64
2/28/2010 0.00
3/1/2010 0.00
3/2/2010 0.06
3/3/2010 0.71
3/4/2010 0.00
3/5/2010 0.00
3/6/2010 0.00
3/7/2010 0.00
3/8/2010 0.00
3/9/2010 0.08
3/10/2010 0.10
3/11/2010 0.00
3/12/2010 0.00
3/13/2010 0.00
3/14/2010 0.00
3/15/2010 0.00
3/16/2010 0.00
3/17/2010 0.00
3/18/2010 0.00
3/19/2010 0.00
3/20/2010 0.00
3/21/2010 0.00
3/22/2010 0.00
3/23/2010 0.00
3/24/2010 0.00
3/25/2010 0.06
3/26/2010 0.00
3/27/2010 0.00
3/28/2010 0.00
3/29/2010 0.00
3/30/2010 0.06
3/31/2010 0.18
Day of YearDaily PrcpMultiday Prcp
4/1/2010 0.16
4/2/2010 0.00
4/3/2010 0.00
4/4/2010 0.00
4/5/2010 0.63
4/6/2010 0.02
4/7/2010 0.00
4/8/2010 0.00
4/9/2010 0.00
4/10/2010 0.00
4/11/2010 T
4/12/2010 1.16
4/13/2010 0.31
4/14/2010 0.00
4/15/2010 0.00
4/16/2010 0.00
4/17/2010 0.00
4/18/2010 0.00
4/19/2010 0.00
4/20/2010 0.20
4/21/2010 0.02
4/22/2010 0.00
4/23/2010 0.00
4/24/2010 0.00
4/25/2010 0.00
4/26/2010 0.00
4/27/2010 0.04
4/28/2010 0.04
4/29/2010 0.13
4/30/2010 0.02
5/1/2010 0.00
5/2/2010 0.00
5/3/2010 0.00
5/4/2010 0.00
5/5/2010 0.00
5/6/2010 0.00
5/7/2010 0.00
5/8/2010 0.00
5/9/2010 0.04
5/10/2010 0.02
5/11/2010 0.22
5/12/2010 0.00
5/13/2010 0.00
5/14/2010 0.00
5/15/2010 0.00
5/16/2010 0.00
5/17/2010 0.00
5/18/2010 0.21
5/19/2010 0.00
5/20/2010 0.04
5/21/2010 0.00
5/22/2010 0.00
5/23/2010 T
5/24/2010 0.00
5/25/2010 0.00
5/26/2010 0.26
5/27/2010 T
5/28/2010 0.29
5/29/2010 0.00
5/30/2010 0.00
5/31/2010 0.00
6/1/2010 0.00
6/2/2010 0.00
6/3/2010 0.00
6/4/2010 0.00
6/5/2010 0.00
6/6/2010 0.00
6/7/2010 0.00
6/8/2010 0.00
6/9/2010 0.00
6/10/2010 0.00
6/11/2010 0.00
6/12/2010 0.00
6/13/2010 0.00
6/14/2010 0.00
6/15/2010 0.00
6/16/2010 0.00
6/17/2010 0.00
6/18/2010
6/19/2010 0.00
6/20/2010 0.00
6/21/2010
6/22/2010 0.00
6/23/2010 0.00
6/24/2010 0.00
6/25/2010 0.00
6/26/2010 0.00
6/27/2010 0.00
6/28/2010 0.00
6/29/2010 0.00
6/30/2010 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2010 0.00
7/2/2010 0.00
7/3/2010 0.00
7/4/2010 0.00
7/5/2010 0.00
7/6/2010 0.00
7/7/2010 0.00
7/8/2010 0.00
7/9/2010 0.00
7/10/2010 0.00
7/11/2010 0.00
7/12/2010 0.00
7/13/2010 0.00
7/14/2010 0.00
7/15/2010 0.00
7/16/2010 0.00
7/17/2010 0.00
7/18/2010 0.00
7/19/2010 0.00
7/20/2010 0.00
7/21/2010 0.00
7/22/2010 0.00
7/23/2010 0.00
7/24/2010 0.00
7/25/2010 0.00
7/26/2010 0.00
7/27/2010 0.00
7/28/2010 0.00
7/29/2010 0.00
7/30/2010 0.00
7/31/2010
8/1/2010 0.00
8/2/2010 0.00
8/3/2010 0.00
8/4/2010 0.00
8/5/2010 0.00
8/6/2010 0.00
8/7/2010 0.00
8/8/2010 0.00
8/9/2010 0.00
8/10/2010 0.00
8/11/2010
8/12/2010 0.00
8/13/2010 0.00
8/14/2010 0.00
8/15/2010 0.00
8/16/2010 0.00
8/17/2010 0.00
8/18/2010 0.00
8/19/2010 0.00
8/20/2010 0.00
8/21/2010 T
8/22/2010 T
8/23/2010 T
8/24/2010 0.00
8/25/2010 0.00
8/26/2010 0.00
8/27/2010 0.00
8/28/2010
8/29/2010 0.00
8/30/2010 0.00
8/31/2010 0.00
9/1/2010 0.00
9/2/2010 0.00
9/3/2010 0.00
9/4/2010 0.00
9/5/2010 0.00
9/6/2010 0.00
9/7/2010 0.00
9/8/2010 0.00
9/9/2010 0.00
9/10/2010 0.00
9/11/2010 0.00
9/12/2010 0.00
9/13/2010 0.00
9/14/2010 0.00
9/15/2010 0.00
9/16/2010 0.00
9/17/2010 0.00
9/18/2010
9/19/2010 0.00
9/20/2010 0.00
9/21/2010 0.00
9/22/2010 0.00
9/23/2010 0.00
9/24/2010 0.00
9/25/2010 0.00
9/26/2010 0.00
9/27/2010 0.00
9/28/2010 0.00
9/29/2010 0.00
9/30/2010



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2009 7:00 AM 0.00 0.0 M M M Clearing skies, drier onshore conditions. Year-to-date remains .48, accumulatedin early September. Approaching cold front with associated turbulence did not produce any rainfall at ground level despite reflectivity that indicated potential. West Coast remains cool and dry, wind direction has changed to a dangerous offshore dry direction, NE at 4.2 mph. High fire danger persists.
10/12/2009 7:00 AM 0.00 0.0 M M M Increasing cloudiness, temperatures near 60 degrees, and winds are southerly, with the approach of the coming storm system. No precipitation yet, however, a major rain event is expected to commence within the next 12 hours.
10/13/2009 7:00 AM 0.28 M M M M Major storm system has just reached the San Francisco Bay Area. Rain, light to moderate commenced at 3:40 A.M.and has been continuous. Many low-lying areas reporting flooding, none noted as yet at this station, however, watching the hillsides for signs of run-off or landslide activity.
10/14/2009 7:00 AM 2.59 M M M M storm has passed
10/15/2009 7:00 AM 0.02 M M M M mostly cloudy, warm & humid conditions follow scattered local light rainfall...current conditions at 0700 are 62.4 degrees, humidity 84%, winds calm
10/16/2009 7:00 AM 0.00 0.0 M M M dense fog, high humidity persisting, however, no measurable falling precipitiation temperature 60.9 degrees and 88% humidity- winds calm
10/19/2009 7:00 AM 0.02 M M M M light scattered showers are moving through the region and rain has begun...current conditoins are 58.8 degrees, 82% humidity, southerly winds picking up, now SSE 5.1 mph
10/20/2009 7:00 AM 0.30 M M M M unexpected and suddenheavy downpour yesterday morning,system has cleared out overnight
10/21/2009 7:00 AM 0.00 0.0 M M M heavy fog incursion began 1:20 A.M. Current conditions 55.4 degrees, 86% humidity, winds calm.
10/28/2009 7:00 AM 0.00 0.0 M M M dewpoint only 30.1 degrees,temperature 49.6 degreesand going lower,light winds predominantly northeast and low humidity
11/1/2009 7:00 AM 0.00 0.0 M M M
11/2/2009 7:00 AM 0.00 0.0 M M M
11/3/2009 7:00 AM 0.00 0.0 M M M
11/4/2009 7:00 AM 0.00 0.0 M M M
11/5/2009 7:00 AM 0.00 0.0 M M M
11/6/2009 7:00 AM 0.00 0.0 M M M
11/7/2009 7:00 AM 0.08 M M M M numbus clouds formed as the system reached land, releasing moisture over the northern and eastern regions of the San Francisco Bay Area and the northern California coastal hills
11/8/2009 7:00 AM 0.00 0.0 M M M
11/9/2009 7:00 AM 0.00 0.0 M M M
11/10/2009 7:00 AM 0.00 0.0 M M M
11/12/2009 7:00 AM 0.00 0.0 M M M
11/13/2009 7:00 AM 0.00 0.0 M M M
11/14/2009 7:00 AM 0.00 0.0 M M M
11/15/2009 7:00 AM 0.00 0.0 M M M
11/16/2009 7:00 AM 0.00 0.0 M M M
11/17/2009 7:00 AM 0.00 0.0 M M M
11/18/2009 6:00 AM 0.04 M M M M brief rain event passed through yesterday evening, more rain expected in 48 hours
11/19/2009 7:00 AM 0.00 0.0 M M M
11/20/2009 7:00 AM 0.00 0.0 M M M approaching storm has not reached this station yet, rain expected later
11/21/2009 7:00 AM 0.00 0.0 M M M
11/22/2009 7:00 AM 0.00 0.0 M M M
11/23/2009 7:00 AM 0.00 0.0 M M M
11/24/2009 7:00 AM 0.00 0.0 M M M
11/25/2009 7:00 AM 0.00 0.0 M M M
11/26/2009 7:00 AM 0.00 0.0 M M M
11/27/2009 7:00 AM T M M M M heavy drizzle/light rain falling from low strata in advance of a forming low pressure system
11/28/2009 7:00 AM 0.24 M M M M A series of brief and intense thundershowers in the mid-to-late afternoon provided the majority of rainfall in the San Francisco Bay Area, from 3:28 P.M. (at this station) to 6:15 P.M.PST
11/30/2009 7:00 AM 0.00 0.0 M M M
12/1/2009 7:00 AM 0.00 0.0 M M M
12/2/2009 7:00 AM 0.00 0.0 M M M
12/3/2009 7:00 AM 0.00 0.0 M M M
12/4/2009 7:00 AM 0.00 0.0 M M M
12/5/2009 7:00 AM 0.00 0.0 M M M
12/6/2009 7:00 AM 0.00 0.0 M M M
12/7/2009 7:00 AM 0.36 0.0 0.00 0.0 0.00 mostly cloudy, light easterly breezes intermittent and unusually cold; snowfall at many stations on Contra Costa County, however, none observed at or in immediate area of this station at this time
12/8/2009 7:00 AM 0.02 T 0.02 T 0.02 above precip is snow/melted ice, not rain....hard freeze with heavy frost, ice, and black ice last two days at this station and snow levels as low as 200 fett above sea level obeserved throughout the San Francisco Bay Area
12/9/2009 7:00 AM T T T T T continued cold conditions with frost, ice, and black ice, current temperature 32.5 degrees, winds are ENE 6 mph
12/10/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00 No ice accretion today, however, ice has been running 1/3 to 1/2 inch with frost/freeze each morning since December 5. Slightly warmer conditions with the approaching storm front and imminent rain, but not by much - current temperature only 39.3 degrees,winds NE to ENE producing wind chill in the upper 20's. Ice accretion today zero.
12/11/2009 7:00 AM 0.14 0.0 0.00 0.0 0.00 freezing conditions have abared, a series of typical winter storms moving in over the next several days
12/12/2009 7:00 AM 0.23 0.0 0.00 0.0 0.00 intermittent light showers
12/13/2009 7:00 AM 0.00 0.0 M M M
12/14/2009 7:00 AM 0.00 0.0 M M M
12/15/2009 7:00 AM 0.00 0.0 M M M
12/16/2009 7:00 AM 0.06 0.0 0.00 0.0 0.00 light rain chenging to drizzle,cloudy and mild
12/17/2009 7:00 AM 0.00 0.0 M M M
12/18/2009 7:00 AM 0.00 0.0 M M M
12/19/2009 7:00 AM 0.02 0.0 0.00 0.0 0.00 brief period of heavy drizzle/light rain in early morning hours
12/20/2009 7:00 AM 0.02 0.0 0.00 0.0 0.00 brief period of light rain in pre-dawn hours
12/21/2009 7:00 AM 0.04 0.0 0.00 0.0 0.00 light morning rain
12/22/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00 cold, clear, light breezes prevent formation of frost/ice
12/23/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00 clear, cold,light southwesterly breezes, near-freesing temperatures, however, typical winter weather pattern with weekly rounds of light showers followed by valley fog, then clearing between storm systems
12/24/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00 offshore flow with dry, easterly consistent breeze wind speed 4-7 mph steady, no frost or ice at this location, but some local airports report de-icing procedures due to locally sub-freezing temperatures...currently 42.6 degrees, winds ESE 4.6 mph, windchill 36.3 degrees, dewpoint 32 degrees
12/25/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00 bands of high clouds in a mostly clear sky, and, contrary to incorrect beleif of the Bay Area Air Quality management District, there is no stagnation/inversion of air and wind speed is ESE 5.1 mph - there was nom need to declare a Spare The Air day in the region
12/26/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00 increasing cloudiness with approaching storm, winds ENE 5.5 mph
12/27/2009 7:00 AM 0.28 0.0 0.00 0.0 0.00 more or less steady rain since yesterday evening at 4:45 PM tapered off in the overnight hours to intermittent light showers, temperatures much milder and more moderate than earlier in the momnth
12/28/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00 Increasing cloudiness preceeds the next in a series of systems about to move onshore, with a bloom of moisture poised to release over the central California coast in a few hours.....although the winter rains are fairly typical for the region, that is, warmer at lower elevations, and temperatures have returned to average, because of recent more extreme events seen even at this location, snow and ice values will continue to be reported - - we may yet see either, or both, before this wild West Coast winter is over.
1/1/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 partly cloudy skies with patchy valley fog forming early morning hours were unable to blot out midnight's Blue Moon, presiding over a spectacular fireworks show on the San Francisco waterfront, to our south and west. Storm systems are tracking too far north to make appreciable impact on what is, so far, a substandard rainfall year thus far
1/2/2010 7:00 AM 0.03 0.0 0.00 0.0 0.00 light rain continuing to fall this hour, no significant amounts expected, with light showers tapering off in the later morning hours
1/3/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 partly cloudy gave way to heavy tulle fog mid-morning, no appreciable precipitation since yesterday, however, a chance of showers remains intermittently possible on and off the coming week...nothing remarkable except it is a somewhat drier-than-normal winter weather pattern typical for the area....current conditions overcast, 47.3 degrees, humidity 88%, winds are ENE 6.2 mph
1/4/2010 7:00 AM 0.00 0.0 M M M
1/5/2010 7:00 AM 0.00 0.0 M M M
1/6/2010 7:00 AM 0.00 0.0 M M M
1/7/2010 7:00 AM 0.00 0.0 M M M
1/8/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 continued fog with upper level variable cloudiness
1/9/2010 7:00 AM T 0.0 0.00 0.0 0.00 brief period of light rain for 15 minutes in the 11 AM hour, but, otherwise, colod, windy, foggy with a persistent offshore flow that has lasted nearly one week
1/10/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 continued cloudy with areas of dense low fog, however, no new precipitation
1/11/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Dense fog, high humidity prevailing below increasing mid-to-upper level clouds in advance of a storm system approaching from the northwest - winds have been averaging 13-15 mph since 5:45 AM PST. Current conditions are dense fog, 42.6 degrees, winds E 9.1 mph, wind chill 32.4 degrees...it's winter on the West Coast!
1/12/2010 7:00 AM 0.20 0.0 0.00 0.0 0.00 rain beginning early morning hours and passed eastward by daybreak
1/13/2010 7:00 AM 0.14 0.0 0.00 0.0 0.00 rapidly moving storm system dropped some decent rain amounts early and late, conditions rapidly clearing and next precipitation event anticipated this weekend
1/14/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 patchy light fog, winds calm, in between storm systems, not expecting any additional precipitation until Sunday...current conditions partly foggy, 45.1 degrees, 88% humidity, winds calm
1/15/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 mostly foggy with additional upper cloud later above the low stratus
1/17/2010 7:00 AM 0.06 0.0 0.00 0.0 0.00 light rain/drizzle falling at present time, heavier precipitation anticipated later today
1/18/2010 7:00 AM 0.16 0.0 0.00 0.0 0.00 Rain just beginning, increasing in intensity as day progresses....significant rain totals to be reflected in report of 1/19
1/19/2010 7:00 AM 1.51 0.0 0.00 0.0 0.00 Heavy rain, high wind, with high rates of precipitation per hour from 4:30 A.M. to 7:30 A.M. PST (see report). Main front has just passed, however, unstable air behind the storm front continues to produce intermittent heavy rain showers with gusty winds, thunder, and lightning
1/20/2010 8:00 AM 1.75 0.0 0.00 0.0 0.00 Continued moderate-to-heavy rain, gusty winds, and record low barometric pressure indicate a strong contender in the latest series of winter storms.
1/21/2010 7:00 AM 1.18 0.0 0.00 0.0 0.00 steady, light rain began falling at 3:38 A.M., colder, current conditions temperature 44.9 degrees, winds ENE 6.4 mph, pressure very low at 29 inches exactly
1/22/2010 7:00 AM 0.65 0.0 0.00 0.0 0.00 Mostly cloudy, cold, little-to-no activity last 8 hours, current conditions cloudy, 44 degrees, winds south 4 mph.
1/23/2010 7:00 AM 0.22 0.0 0.00 0.0 0.00 rapidly clearing skies, few returns observed from scattered high clouds, cold and calm
1/24/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 increasing cloudiness, but rain from approaching intial storm front has not yet materialized
1/25/2010 7:00 AM 0.33 0.0 0.00 0.0 0.00 early morning, intense band of precipitation announcing the leading edge of the latest storm system dropped heavy amounts of rain locally...currently conditions are fog/mist, 46.5 degrees and 88% humidity, winds NNE 6.2 mph - snow has been seen on Mt. Diablo, Mt. Hamilton, Mt. Tamalpais, and other higher Coastal Range mountains in the area
1/26/2010 7:00 AM 0.00 0.0 M M M
1/27/2010 7:00 AM 0.00 0.0 M M M
1/28/2010 7:00 AM 0.00 0.0 M M M
1/29/2010 7:00 AM 0.00 0.0 M M M
1/30/2010 7:00 AM 0.00 0.0 M M M
1/31/2010 7:00 AM 0.00 0.0 M M M
2/1/2010 7:00 AM 0.00 0.0 M M M
2/2/2010 7:00 AM 0.00 0.0 M M M
2/3/2010 7:00 AM 0.00 0.0 M M M
2/4/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 retruns are showing on the composite reflectivity images; no precipitation has fallen as of observation time for this date, but is expected shortly
2/5/2010 7:00 AM 0.45 0.0 0.00 0.0 0.00 Expected precipitation arrived late in the afternoon yesterday - current conditions mostly cloudy with low fog, 49.2 degrees, 88% humidity, and winds calm
2/6/2010 7:00 AM 0.39 0.0 0.00 0.0 0.00 overnight steady rain, tapering off, but continuing ths hour with intermittent showers/possible thunderstroms expected as system slows/stalls offshore....current conditions 49.8 degrees, winds SSE 6.4 mph, cloudy
2/7/2010 7:00 AM 0.02 0.0 0.00 0.0 0.00 Not much to report from the tail end of this storm, a small amount of resdidual rain fall, and skies are clearing here for Super Bowl Sunday!
2/8/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Moslty sunny, partly cloudy with a break between storm systems...colder system expected later today/early tomorrow
2/9/2010 7:00 AM 0.22 0.0 0.00 0.0 0.00 Wrap-around effect from parent low just offshore now expected to bring more rain showers, thunderstorms, and low-altitude snow (yes, snow) to the area later...current conditions cold and cloudy, 46.2 degrees. No snow at this station location, however, snow has been observed on area hills and mountains (Mt. Hamilton, Mt. Diablo.
2/10/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 variable fog, dense at timrs, cold temperatures, current conditions fog, 45.8 degrees, 88% humidity, winds calm
2/11/2010 7:00 AM 0.00 0.0 M M M
2/12/2010 7:00 AM 0.02 0.0 0.00 0.0 0.00 Intermittent light showers and drizzle have begun, although mostly cloudy conditions have persisted for the last 36 hours.
2/13/2010 7:00 AM 0.00 0.0 M M M
2/14/2010 7:00 AM 0.00 0.0 M M M
2/15/2010 7:00 AM 0.00 0.0 M M M
2/16/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Dense early morning fog clearing to variable high clouds by mid-day.
2/17/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Dense fog in the morning, mostly sunny in the afternoons, no appreciabler chance of precipitation expected until later in the week.
2/18/2010 7:00 AM 0.00 0.0 M M M
2/19/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Patchy morning fog gave way to variable high clouds preceeding the norhtern wrap-around of a weak storm system sliding south along the southern California coast. the first in the current series of stomr systems does not look to produce any appreciable precipitation at this location, however, this station may be reporting minor amounts of rainfall this weekend, and next week.
2/20/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Mostly cloudy, no appreciable rainfall as yet from approaching storm systems sliding south toward central & southern California
2/21/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Increasing cloudiness, rain imminent, drizzle/light rain expected in the afternoon
2/22/2010 7:00 AM 0.10 0.0 0.00 0.0 0.00 Two minor incidents of light rain yesterday produced measurable precipitation; current conditions are fog, 46.7 degrees, winds calm, next expected rainfall tomorrow
2/23/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Winds picking up from a predominantly easterly direction in just the last hour herald the approach of a moderate contender in the latest system of several storms impacting the central Pacific coast. No measurable precipitation reaching ground level at this station as of reporting time, however, rain is expected within the next 2-6 hours and will be reflected in tomorrow's totals.
2/24/2010 7:00 AM 0.55 0.0 0.00 0.0 0.00 light on-and-off rain, intensifying in the afternoon, added to seasons-to date rainfall totals that, for this station, now stand at 13.86" - which amounts to 78.75% of seasonal normal. More rain expected in 48-72 hours with the arrival of yet another storm system in the series.
2/25/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Fog in the morning, clearing skies early afternoon gave way to variable formations of nimbus, some threatenting rain and thunderstrom activity, in late afternoon shortly before sunset. Current conditions are almost ten degrees warmer than this time yesterday, 50.9 degrees, 85% humidity with high overcast. Next storm system expected to approach by the weekend.
2/26/2010 7:00 AM 0.02 0.0 0.00 0.0 0.00 Increasinfg overnight clouds have begun to bring precipitation, more expected later today.
2/27/2010 7:00 AM 0.64 0.0 0.00 0.0 0.00 The area was struck by an intense, very violent downpour early yesterday afternoon, tapering to moderate rain, then, later, intermittent showers and overnight rain; more variable scatered showers expected intermittently next 24 hours. Current conditions partly cloudy, 52.7 degrees, winds calm.
2/28/2010 7:00 AM 0.00 0.0 M M M
3/1/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Variable high overcast/cloudiness and increasing winds indicate the approach of the latest storm system, expected later today.
3/2/2010 7:00 AM 0.06 0.0 0.00 0.0 0.00 Very active storm activity has just begun, moderate-to-heavy rainfall is now occurring and, depending on base reflectivity, it shows as either average or intense.
3/3/2010 7:00 AM 0.71 0.0 0.00 0.0 0.00 Heavy rain activity began early this morning and intermittent moderate-heavy showers continue to move inland preceeding an advancing cold low pressure system.
3/4/2010 7:00 AM 0.00 0.0 M M M
3/5/2010 7:00 AM 0.00 0.0 M M M
3/6/2010 7:00 AM 0.00 0.0 M M M
3/7/2010 7:00 AM 0.00 0.0 M M M
3/8/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Increasing cloudiness with chance of rain and thunderstorms this afternoon.
3/9/2010 7:00 AM 0.08 0.0 0.00 0.0 0.08 Precipitation is actually SWE from hail that fell yesterday afternoon. There is break between systems, however, more cloudiness and late-afternoon chance of showers either late today or tonight is possible, although, it is currently clear and cold at 40.4 degrees, winds calm.
3/10/2010 7:00 AM 0.10 0.0 0.00 0.0 0.00 Late afternoon/evening storm front finally produced measurable precipitation in the late night hours. Today, clearing and cold.
3/11/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/12/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Increasing cloudiness but no precipitation yet, rain, however, is expected shortly and will be reflected in tomorrow's totals.
3/13/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Clearing conditions, spring weather, no rain expected.
3/14/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/15/2010 7:00 AM 0.00 0.0 M M M
3/16/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 No precipitation expected next 1 - 2 weeks, conditions are warm and sunny, typical spring weather, temperatures ranging from 45-65 degrees.
3/17/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Clearing and warming conditions continue. Snow melting in the Sierras and conversion of snow and ice to watershed continues.
3/18/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Continued warm and dry weather with lowering humidity levels accompanied by airflow shifting form higher elevations to lower, closer to sea level, continues.
3/19/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Warm spring weather, warm temperatures at this station, no rain or any system likely to produce precipitation anticipated. While not the end of the rainy season, the central Pacific Coast has entered a drier spring weather trend and snow levels in California and the Cntral Sierra are moving upward, with significant snowmelt observed at lower and middle elevations.
3/20/2010 7:00 AM 0.00 0.0 M M M
3/21/2010 7:00 AM 0.00 0.0 M M M
3/22/2010 7:00 AM 0.00 0.0 M M M
3/23/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 High pressure continues to deflect any approaching weather fronts, however, one next week does look promising, and all models seem to indicate at this time that a probability for precipitation does exist....but just not now.
3/24/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Patchy fog redeveloping, and there is a slight chance of some light/scattered precipitation Thursday, if not at this reporting station, reflected in other reporting stations in the greater San Francisco Bay area/
3/25/2010 7:00 AM 0.06 0.0 0.00 0.0 0.00 A surprise shower and some isolated bands of activity came through last night and early this morning.
3/26/2010 7:00 AM 0.00 0.0 M M M
3/27/2010 7:00 AM 0.00 0.0 M M M
3/28/2010 7:00 AM 0.00 0.0 M M M
3/29/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 increasing cloudiness but no precipitation
3/30/2010 7:00 AM 0.06 0.0 0.00 0.0 0.00 The leading edge of the weatther system came ashore during the late night/early morning hours, however, as cold air follows, no serious redevelopment of precipitation-producing cloud formations has been favorable for additional rainfall in the morning and early afternoon hours.
3/31/2010 7:00 AM 0.18 0.0 0.00 0.0 0.00 Intermittent overnight showers with persistent instability may produce additional rain showers and possible thunderstorms later in the afternoon as avection and the apporach of the next wave of weather hits the coast.
4/1/2010 7:00 AM 0.16 0.0 0.00 0.0 0.00 The latest in a system of storms, as expected, brought cold, unstable air close enough to the central Pacific coast to create late afternoon/early evening avection-induced precipitation activity.
4/2/2010 7:00 AM 0.00 0.0 M M M
4/3/2010 7:00 AM 0.00 0.0 M M M
4/4/2010 7:00 AM 0.00 0.0 M M M
4/5/2010 7:00 AM 0.63 0.0 0.00 0.0 0.00 The Easter Bunny did not bring the San Francisco Bay Area any chocolate eggs - instead, we got a bucket of cold, wet rain dumped right on us from well-developed system that was still tightly wound when it made landfall. Low altitude snow did occur just before, and with, this storm.
4/6/2010 7:00 AM 0.02 0.0 0.00 0.0 0.00 Brief, passing afternoon light showers resulting from mild avection, between the back end of a storm front and land mass that did not warm much, produced a brief period of afternoon precipitation.
4/7/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Clearing and warmer, typical spring pattern, no precipitation expected for 5 days.
4/8/2010 7:00 AM 0.00 0.0 M M M
4/9/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Warm and sunny weather expected to continue for the next 48 hours.
4/10/2010 7:00 AM 0.00 0.0 M M M
4/11/2010 7:00 AM T 0.0 0.00 0.0 0.00 Light drizzle preceding the actual start of measurable precipitation began at 0700 observation time, actual rainfall at 0937, very light and not yet registering.
4/12/2010 7:00 AM 1.16 0.0 0.00 0.0 0.00 Afternoon moderate rain showers, and a Significant Weather Event reported to NWS this morning with brief periods of extremely heavy rain continue to evidence a robust low pressure system still offshore. Note: In "heaviest precipitation" section of daily report, the total time of the first three, and heaviest downpours start to finish, is indicated - there were five brief and extremely heavy downpours between 0244 hours and 0408 hours this morning.
4/13/2010 7:00 AM 0.31 0.0 0.00 0.0 0.00 Rain continued to fall, with one additional brief heavy episode, until late in the afternoon. Clearing conditions indicate the movement east of the low pressure system and weak higher pressure has built in along the coast...more rain expected Saturday.
4/14/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny and mild with afternoon avection cumulus clouds popping up mid-afternoon, however, no additional precipitation.
4/15/2010 7:00 AM 0.00 0.0 M M M
4/16/2010 7:00 AM 0.00 0.0 M M M
4/17/2010 7:00 AM 0.00 0.0 M M M
4/18/2010 7:00 AM 0.00 0.0 M M M
4/19/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Increasing clouds in advance of approaching sotrm system - evenst expected to begin either tonight or earlty tomorrow.
4/20/2010 9:45 AM 0.20 0.0 0.00 0.0 0.00 This is the rainfall total since 0530 PDT, and is not 100% accurate. My rain gauge was tipped at a diagonal - due to mechanical dislodging during some yard work that was not reported to me - and when rain began during the early hours of the morning and nothing was registering, suspecting hardware issues, I went to check and discovered the problem, threee hours in to the rain event. Benicia 0.2 SW will have a reading close to what this station should have had. Rain showers, moderate in intensity, continue intermittently, and more is expected through the day, with the definite possibility of thunderstorms in the afternoon and a good chance of hail.
4/21/2010 7:00 AM 0.02 0.0 0.00 0.0 0.00 This is additional rain besides that recorded between 5 and 10 AM local time yesterday. Continued cloudy and cool, with a chance for additional showers toward the afternoon.
4/22/2010 7:00 AM 0.00 0.0 M M M
4/23/2010 7:00 AM 0.00 0.0 M M M
4/24/2010 7:00 AM 0.00 0.0 M M M
4/25/2010 7:00 AM 0.00 0.0 M M M
4/26/2010 7:00 AM 0.00 0.0 M M M
4/27/2010 7:00 AM 0.04 0.0 0.00 0.0 0.00 Light rain continuing to fall at a slight, but steady, rate. More precipitation to be recorded with next 24 hour interval. Occasional high wind gusts, including high wind warnings for the Carquinez Strait, are a significant feature of this storm system.
4/28/2010 7:00 AM 0.04 0.0 0.00 0.0 0.00 Intermittent periodic showers expected to continue, with a chance of late afternoon thunderstorms/hailsotrms very likely
4/29/2010 7:00 AM 0.13 0.0 0.00 0.0 0.00 The majority of precipitation occurred in the afternoon, .07 of it during an episode of intense downpour lasting 2 minutes in late afternoon
4/30/2010 7:00 AM 0.02 0.0 0.00 0.0 0.00 Late afternoon showers from avection effect produced rapidly forming cumulonimbus over land.
5/1/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Clearing skies and hig pressure building in ended any futrher storm activity until next week at the earliest.
5/2/2010 7:00 AM 0.00 0.0 M M M
5/3/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny, warm weather with no precipitation anticipated for the next 7-10 days, with localized coastal fog returning tomorrow.
5/4/2010 7:00 AM 0.00 0.0 M M M
5/5/2010 7:00 AM 0.00 0.0 M M M
5/6/2010 7:00 AM 0.00 0.0 M M M
5/7/2010 7:00 AM 0.00 0.0 M M M
5/8/2010 7:00 AM 0.00 0.0 M M M
5/9/2010 7:00 AM 0.04 0.0 0.00 0.0 0.00 Variable cloudiness, increasing in the afternoon, produced brief shower
5/10/2010 7:00 AM 0.02 0.0 0.00 0.0 0.00 Mostly cloudy (M2 nimbostratus) and expecting intermittent rainshowers/possible thunderstorms trhoughout the day; precipitation total reflects brief afternoon shower yesterday afternon
5/11/2010 7:00 AM 0.22 0.0 0.00 0.0 0.00 Mid-morning rainstorm activity produced subtantial precipitation
5/12/2010 7:00 AM 0.00 0.0 M M M
5/13/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny weather without precipitation is expected to continue to the end of the week.
5/14/2010 7:00 AM 0.00 0.0 M M M
5/15/2010 7:00 AM 0.00 0.0 M M M
5/16/2010 7:00 AM 0.00 0.0 M M M
5/17/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Nimbostratus may or may not produce any precipitation later today, however, no rain has fallen as of reporting time.
5/18/2010 7:00 AM 0.21 0.0 0.00 0.0 0.00 A continuing pattern more suggestive of late winter has set up over the California coast, with successive storms every 2-3 days adding to above-normal precipitation.
5/19/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Increasing cloudiness heralds the approach of the latest storm system, now producing precipitation to coastal points north, rain expected here later today
5/20/2010 7:00 AM 0.04 0.0 0.00 0.0 0.00 Rain showers at mid-day and late afternoon produced measurable precipitation.
5/21/2010 7:00 AM 0.00 0.0 M M M
5/22/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Latest storm system in the series came thorough early (yesterday afternoon) and was too far north to produce anytthing more than the threat of late afternoon precipitation, however, none materialzied this far south.
5/23/2010 7:00 AM T 0.0 0.00 0.0 0.00 A brief episode of preciptation early evening produced just trace amounts during the passage of an early evening event.
5/24/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Increasing cloudiness signals immient precipitation from latest storm system.
5/25/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Increasing cloudiness has yet to produce precipitation, however, rain is expected late in the afternoon.
5/26/2010 7:00 AM 0.26 0.0 0.00 0.0 0.00 Rain showers in the afternoon and again overnight produced significant preciipitation.
5/27/2010 7:00 AM T 0.0 0.00 0.0 0.00 Thunderstorm activity has increased, but most of the precipitation is north of San Francisco Bay. Brief, momentary rainfall noted, however, appreciable amounts of precipitation have not yet fallen.
5/28/2010 7:00 AM 0.29 0.0 0.00 0.0 0.00 Cnosiderable rain fell late in the morning and continued until late afternoon .
5/29/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Latest storm series has cleared out eastward and a small, weak high pressure system has replaced it, producing more seasonable fair skies and warm temperatures.
5/30/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny, warm, seasonal spring weather continues for a second day. Clouds have cleared out and there is no marine layer offshore.
5/31/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Variable high clouds from the trailing southerly end of a weather system has not as yet produced precipitation, but caused an incremental increase of high overcast (cirrostratus). The strong possibility of rain sometime during the week, with one of the continuing series of storm fronts marching across the Pacific, remains a definite and somehwat unpredictable possibility. This station has observed a number of surprise spring events and expects to throughout the late spring and early summer, something uncommon in the central California Coast (except in El Nino years).
6/1/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Variable high clouds, increasing through the afternoon to L5 stratocumulus did not produce late-afternoon precipitation, however, the trailing southern edge of a weather system to the north was evident in passage; the normal marine layer moved in during the evening to be replaced mid-morning with variable high clouds.
6/2/2010 7:00 AM 0.00 0.0 M M M
6/3/2010 7:00 AM 0.00 0.0 M M M
6/4/2010 7:00 AM 0.00 0.0 M M M
6/5/2010 7:00 AM 0.00 0.0 M M M
6/6/2010 7:00 AM 0.00 0.0 M M M
6/7/2010 7:00 AM 0.00 0.0 M M M
6/8/2010 7:00 AM 0.00 0.0 M M M
6/9/2010 7:00 AM 0.00 0.0 M M M
6/10/2010 7:00 AM 0.00 0.0 M M M
6/11/2010 7:00 AM 0.00 0.0 M M M
6/12/2010 7:00 AM 0.00 0.0 M M M
6/13/2010 7:00 AM 0.00 0.0 M M M
6/14/2010 7:00 AM 0.00 0.0 M M M
6/15/2010 7:00 AM 0.00 0.0 M M M
6/16/2010 7:00 AM 0.00 0.0 M M M
6/17/2010 7:00 AM 0.00 0.0 M M M
6/19/2010 7:00 AM 0.00 0.0 M M M
6/20/2010 7:00 AM 0.00 0.0 M M M
6/22/2010 7:00 AM 0.00 0.0 M M M
6/23/2010 7:00 AM 0.00 0.0 M M M
6/24/2010 7:00 AM 0.00 0.0 M M M
6/25/2010 7:00 AM 0.00 0.0 M M M
6/26/2010 7:00 AM 0.00 0.0 M M M
6/27/2010 7:00 AM 0.00 0.0 M M M
6/28/2010 7:00 AM 0.00 0.0 M M M
6/29/2010 7:00 AM 0.00 0.0 M M M
6/30/2010 7:00 AM 0.00 0.0 M M M
7/1/2010 7:00 AM 0.00 0.0 M M M
7/2/2010 7:00 AM 0.00 0.0 M M M
7/3/2010 7:00 AM 0.00 0.0 M M M
7/4/2010 7:00 AM 0.00 0.0 M M M
7/5/2010 7:00 AM 0.00 0.0 M M M
7/6/2010 7:00 AM 0.00 0.0 M M M
7/7/2010 7:00 AM 0.00 0.0 M M M
7/8/2010 7:00 AM 0.00 0.0 M M M
7/9/2010 7:00 AM 0.00 0.0 M M M
7/10/2010 7:00 AM 0.00 0.0 M M M
7/11/2010 7:00 AM 0.00 0.0 M M M
7/12/2010 7:00 AM 0.00 0.0 M M M
7/13/2010 7:00 AM 0.00 0.0 M M M
7/14/2010 7:00 AM 0.00 0.0 M M M
7/15/2010 7:00 AM 0.00 0.0 M M M
7/16/2010 7:00 AM 0.00 0.0 M M M
7/17/2010 7:00 AM 0.00 0.0 M M M
7/18/2010 7:00 AM 0.00 0.0 M M M
7/19/2010 7:00 AM 0.00 0.0 M M M
7/20/2010 7:00 AM 0.00 0.0 M M M
7/21/2010 7:00 AM 0.00 0.0 M M M
7/22/2010 7:00 AM 0.00 0.0 M M M
7/23/2010 7:00 AM 0.00 0.0 M M M
7/24/2010 7:00 AM 0.00 0.0 M M M
7/25/2010 7:00 AM 0.00 0.0 M M M
7/26/2010 7:00 AM 0.00 0.0 M M M
7/27/2010 7:00 AM 0.00 0.0 M M M
7/28/2010 7:00 AM 0.00 0.0 M M M
7/29/2010 7:00 AM 0.00 0.0 M M M
7/30/2010 7:00 AM 0.00 0.0 M M M
8/1/2010 7:00 AM 0.00 0.0 M M M
8/2/2010 7:00 AM 0.00 0.0 M M M
8/3/2010 7:00 AM 0.00 0.0 M M M
8/4/2010 7:00 AM 0.00 0.0 M M M
8/5/2010 7:00 AM 0.00 0.0 M M M
8/6/2010 7:00 AM 0.00 0.0 M M M
8/7/2010 7:00 AM 0.00 0.0 M M M
8/8/2010 7:00 AM 0.00 0.0 M M M
8/9/2010 7:00 AM 0.00 0.0 M M M
8/10/2010 7:00 AM 0.00 0.0 M M M
8/12/2010 7:00 AM 0.00 0.0 M M M
8/13/2010 7:00 AM 0.00 0.0 M M M
8/14/2010 7:00 AM 0.00 0.0 M M M
8/15/2010 7:00 AM 0.00 0.0 M M M
8/16/2010 7:00 AM 0.00 0.0 M M M
8/17/2010 7:00 AM 0.00 0.0 M M M
8/18/2010 7:00 AM 0.00 0.0 M M M
8/19/2010 7:00 AM 0.00 0.0 M M M
8/20/2010 7:00 AM 0.00 0.0 M M M
8/21/2010 7:00 AM T M M M M Heavy condensation and drizzlefrom variable low cloudiness produced noticeable collection of moisture as marine layers driven inland by descending low pressure systems begin to get wetter and wetter.
8/22/2010 7:00 AM T M M M M Very heavy dew/drizzle accompanying night and morning marine layer incursion is causing heavy moisture accumulation in the ealy morning hours, as persistent, continuous low pressure systems dropping down from the northwest strengthen and suggest a return to rainfall-producing weather systems toward the end of summer and early fall, an early and prolonged rainy season for the area
8/23/2010 7:00 AM T M M M M Heavy morning fog with lots of moisture again produced condensation/visible trace amounts of precipitation, mostly as dew and drizzle.
8/24/2010 7:00 AM 0.00 0.0 M M M
8/25/2010 7:00 AM 0.00 0.0 M M M Record high temperature for 2010 reached yesterday at 3:35 P.M. at 102.7 degrees. Early morning fog and drizzle, producing visible trace amounts of precipitation, has all but vanished in the withering presence of a hgih pressure system built in from the southwest.
8/26/2010 7:00 AM 0.00 0.0 M M M
8/27/2010 7:00 AM 0.00 0.0 M M M
8/29/2010 7:00 AM 0.00 0.0 M M M
8/30/2010 7:00 AM 0.00 0.0 M M M
8/31/2010 7:00 AM 0.00 0.0 M M M
9/1/2010 7:00 AM 0.00 0.0 M M M
9/2/2010 7:00 AM 0.00 0.0 M M M
9/3/2010 7:00 AM 0.00 0.0 M M M
9/4/2010 7:00 AM 0.00 0.0 M M M
9/5/2010 7:00 AM 0.00 0.0 M M M
9/6/2010 7:00 AM 0.00 0.0 M M M
9/7/2010 7:00 AM 0.00 0.0 M M M
9/8/2010 7:00 AM 0.00 0.0 M M M
9/9/2010 7:00 AM 0.00 0.0 M M M
9/10/2010 7:00 AM 0.00 0.0 M M M
9/11/2010 7:00 AM 0.00 0.0 M M M
9/12/2010 7:00 AM 0.00 0.0 M M M
9/13/2010 7:00 AM 0.00 0.0 M M M
9/14/2010 7:00 AM 0.00 0.0 M M M
9/15/2010 7:00 AM 0.00 0.0 M M M
9/16/2010 7:00 AM 0.00 0.0 M M M
9/17/2010 7:00 AM 0.00 0.0 M M M
9/19/2010 7:00 AM 0.00 0.0 M M M
9/20/2010 7:00 AM 0.00 0.0 M M M
9/21/2010 7:00 AM 0.00 0.0 M M M
9/22/2010 7:00 AM 0.00 0.0 M M M
9/23/2010 7:00 AM 0.00 0.0 M M M
9/24/2010 7:00 AM 0.00 0.0 M M M
9/25/2010 7:00 AM 0.00 0.0 M M M
9/26/2010 7:00 AM 0.00 0.0 M M M
9/27/2010 7:00 AM 0.00 0.0 M M M
9/28/2010 7:00 AM 0.00 0.0 M M M
9/29/2010 7:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes



Observation Date Observation Time Notes Largest Stone Size Average Stone Size Smallest Stone Size Stone Consistency Duration Minutes Durration Accuracy Damage Timing More Rain than Hail Hail Started Largest Hail Started Angle of Impact Number of Stones on Pad Distance Between Stones on Pad Depth of Stones on Ground
3/8/2010 4:00 PM Couldn't find my hail pad in time - this was a surprise - did take photographs. 5/8" 1/4" Pea Size 1/4" Pea Size Mixed|White Ice 15 1min no damage Continuous False After rain Same time as smaller hail 10-20 0 0