Station Overview Station Location
Station Number CO-AR-55 Latitude 39.7237
Station Name Aurora 2.9 NW Longitude -104.8568
County Arapahoe Elevation (ft) 5443



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 12 1.19 1.23 8 1.23 8 0.00 0 0 6 1 5.2 3 1
Nov 12 0.94 0.35 7 0.35 7 0.00 0 0 1 0 0.8 1 1
Dec 12 0.68 0.25 19 0.25 19 0.00 0 0 4 0 3.9 4 13
Jan 13 0.52 0.29 8 0.29 8 0.00 0 0 2 3 2.7 2 6
Feb 13 0.52 1.38 11 1.38 11 0.00 0 0 4 4 14.4 4 7
March 13 1.45 1.91 17 1.46 15 0.45 2 1 4 2 15.7 4 10
April 13 2.00 2.02 19 2.02 19 0.00 0 0 7 4 19.9 5 7
May 13 2.44 1.53 13 1.53 13 0.00 0 0 11 1 4.8 2 1
June 13 1.81 0.61 11 0.61 11 0.00 0 0 4 2 0.0 0 0
July 13 2.02 2.67 18 2.67 18 0.00 0 0 13 2 0.0 0 0
Aug 13 2.31 3.14 17 3.14 17 0.00 0 0 13 3 0.0 0 0
Sept 13 1.17 15.89 15 15.89 15 0.00 0 0 9 3 0.0 0 0
Water Year Totals: 17.05" 31.27" 163 days 30.82" 161 0.45" 2 days 1 78 days 25 days 67.4" 25 days 46 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
10/1/2012 0.02
10/2/2012
10/3/2012
10/4/2012 0.00
10/5/2012 0.10
10/6/2012
10/7/2012
10/8/2012
10/9/2012
10/10/2012
10/11/2012
10/12/2012
10/13/2012 0.20
10/14/2012 0.15
10/15/2012
10/16/2012
10/17/2012 T
10/18/2012
10/19/2012
10/20/2012
10/21/2012
10/22/2012
10/23/2012
10/24/2012
10/25/2012 0.74
10/26/2012 0.02
10/27/2012
10/28/2012
10/29/2012
10/30/2012
10/31/2012
11/1/2012
11/2/2012
11/3/2012
11/4/2012
11/5/2012
11/6/2012
11/7/2012
11/8/2012
11/9/2012
11/10/2012
11/11/2012 0.35
11/12/2012 0.00
11/13/2012 0.00
11/14/2012 0.00
11/15/2012 0.00
11/16/2012
11/17/2012
11/18/2012
11/19/2012
11/20/2012
11/21/2012
11/22/2012
11/23/2012
11/24/2012
11/25/2012
11/26/2012 0.00
11/27/2012 0.00
11/28/2012
11/29/2012
11/30/2012
12/1/2012
12/2/2012
12/3/2012
12/4/2012
12/5/2012
12/6/2012 0.00
12/7/2012 0.00
12/8/2012
12/9/2012 0.04
12/10/2012 0.00
12/11/2012 0.03
12/12/2012
12/13/2012
12/14/2012
12/15/2012 0.00
12/16/2012
12/17/2012
12/18/2012 0.00
12/19/2012 0.03
12/20/2012 0.15
12/21/2012 0.00
12/22/2012 0.00
12/23/2012 0.00
12/24/2012 0.00
12/25/2012
12/26/2012 0.00
12/27/2012 0.00
12/28/2012 0.00
12/29/2012 0.00
12/30/2012 0.00
12/31/2012 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2013 0.00
1/2/2013
1/3/2013
1/4/2013
1/5/2013
1/6/2013
1/7/2013
1/8/2013
1/9/2013
1/10/2013
1/11/2013
1/12/2013 0.10
1/13/2013
1/14/2013 T
1/15/2013 T
1/16/2013
1/17/2013
1/18/2013
1/19/2013
1/20/2013
1/21/2013
1/22/2013
1/23/2013
1/24/2013
1/25/2013
1/26/2013
1/27/2013 T
1/28/2013
1/29/2013 0.19
1/30/2013 0.00
1/31/2013 0.00
2/1/2013 0.00
2/2/2013
2/3/2013
2/4/2013
2/5/2013
2/6/2013
2/7/2013
2/8/2013
2/9/2013
2/10/2013 T
2/11/2013
2/12/2013
2/13/2013
2/14/2013
2/15/2013 0.02
2/16/2013
2/17/2013
2/18/2013
2/19/2013
2/20/2013
2/21/2013 0.33
2/22/2013 T
2/23/2013 0.00
2/24/2013 T
2/25/2013 0.95
2/26/2013 T
2/27/2013 0.08
2/28/2013 0.00
3/1/2013
3/2/2013 0.00
3/3/2013 0.00
3/4/2013 T
3/5/2013 0.09
3/6/2013
3/7/2013
3/8/2013
3/9/2013 T
3/10/2013 0.53
3/11/2013 0.00
3/12/2013 0.20
3/13/2013 0.00
3/14/2013
3/15/2013
3/16/2013
3/17/2013
3/18/2013
3/19/2013
3/20/2013
3/21/2013
3/22/2013
3/23/2013 0.64
3/24/2013 **
3/25/2013 0.45
3/26/2013 0.00
3/27/2013 0.00
3/28/2013 0.00
3/29/2013 0.00
3/30/2013 0.00
3/31/2013
Day of YearDaily PrcpMultiday Prcp
4/1/2013
4/2/2013 0.00
4/3/2013 0.19
4/4/2013 0.00
4/5/2013
4/6/2013
4/7/2013
4/8/2013
4/9/2013 0.25
4/10/2013 0.20
4/11/2013 0.00
4/12/2013 T
4/13/2013
4/14/2013 0.20
4/15/2013 0.00
4/16/2013 0.53
4/17/2013 T
4/18/2013 0.20
4/19/2013 0.00
4/20/2013 0.00
4/21/2013
4/22/2013 T
4/23/2013 0.45
4/24/2013 T
4/25/2013 0.00
4/26/2013 0.00
4/27/2013
4/28/2013
4/29/2013
4/30/2013
5/1/2013 0.12
5/2/2013 0.36
5/3/2013
5/4/2013
5/5/2013
5/6/2013
5/7/2013
5/8/2013 0.14
5/9/2013 0.49
5/10/2013
5/11/2013 0.01
5/12/2013 T
5/13/2013
5/14/2013
5/15/2013 0.01
5/16/2013 0.21
5/17/2013
5/18/2013
5/19/2013
5/20/2013 0.02
5/21/2013 0.14
5/22/2013
5/23/2013 0.02
5/24/2013
5/25/2013
5/26/2013
5/27/2013 0.01
5/28/2013
5/29/2013 0.00
5/30/2013
5/31/2013
6/1/2013
6/2/2013
6/3/2013
6/4/2013
6/5/2013 0.23
6/6/2013
6/7/2013
6/8/2013 0.07
6/9/2013
6/10/2013
6/11/2013
6/12/2013
6/13/2013
6/14/2013 0.00
6/15/2013
6/16/2013
6/17/2013 T
6/18/2013 0.00
6/19/2013 T
6/20/2013 0.00
6/21/2013 0.00
6/22/2013
6/23/2013
6/24/2013 0.25
6/25/2013
6/26/2013
6/27/2013
6/28/2013
6/29/2013 0.06
6/30/2013 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2013 0.01
7/2/2013 0.03
7/3/2013
7/4/2013
7/5/2013
7/6/2013
7/7/2013 0.03
7/8/2013 T
7/9/2013
7/10/2013
7/11/2013 0.00
7/12/2013 0.07
7/13/2013 0.20
7/14/2013 0.99
7/15/2013 0.38
7/16/2013 0.44
7/17/2013
7/18/2013
7/19/2013 0.02
7/20/2013 T
7/21/2013
7/22/2013
7/23/2013
7/24/2013 0.00
7/25/2013 0.00
7/26/2013 0.05
7/27/2013
7/28/2013 0.25
7/29/2013 0.04
7/30/2013
7/31/2013 0.16
8/1/2013 T
8/2/2013
8/3/2013
8/4/2013 0.52
8/5/2013 0.12
8/6/2013 0.01
8/7/2013 T
8/8/2013 0.03
8/9/2013 1.70
8/10/2013 0.06
8/11/2013 0.15
8/12/2013 T
8/13/2013 0.31
8/14/2013 0.00
8/15/2013
8/16/2013
8/17/2013
8/18/2013
8/19/2013
8/20/2013
8/21/2013
8/22/2013 0.05
8/23/2013 0.12
8/24/2013
8/25/2013
8/26/2013 0.03
8/27/2013 0.02
8/28/2013
8/29/2013
8/30/2013
8/31/2013 0.02
9/1/2013
9/2/2013
9/3/2013
9/4/2013 0.01
9/5/2013
9/6/2013
9/7/2013
9/8/2013
9/9/2013 T
9/10/2013 0.00
9/11/2013 1.36
9/12/2013 3.97
9/13/2013 6.78
9/14/2013 T
9/15/2013 2.03
9/16/2013 0.67
9/17/2013 0.00
9/18/2013
9/19/2013
9/20/2013
9/21/2013
9/22/2013
9/23/2013 0.92
9/24/2013 0.01
9/25/2013 0.00
9/26/2013
9/27/2013 T
9/28/2013 0.14
9/29/2013
9/30/2013



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2012 7:50 AM 0.02 M M M M Very light rain falling at obs time.
10/4/2012 7:00 AM 0.00 0.0 M M M No rain with frontal passage, which began at approx 5 PM yesterday afternoon.
10/5/2012 6:50 AM 0.10 0.9 0.10 T M Snow on grassy areas and on elevaed surfaces - roofs, fenceposts, patio furniture, etc. Snow on hard ground surfaces melted or was slushy. No hard ice found. Temp = 34 Deg. F at obs time. Just a slight trace of water in the gauge before pouring melted snow into it.
10/13/2012 7:00 AM 0.20 M M M M 0.18 inches fell between 4 & 5 PM yesterday afternoon and the other 0.02 inches fell durng the overnight hours.
10/14/2012 7:00 AM 0.15 M M M M
10/17/2012 7:00 AM T M M M M A trace of rain with very gusty winds last night. Broken tree branch in back yard - approx 1.5 inches in diameter.
10/25/2012 8:40 AM 0.74 4.1 0.47 1.0 M 0.27" rainfall + 0.47" snowmelt = 0.74" Total Liquid. Approx 1-2 inches of snow on hard surfaces on north side of house. Sun exposed hard surfaces had little/no snow except for that on top of fallen leaves, etc. Some ice on trees. Little, if any ice on street. Temp at obs time was 33 Deg. F.
10/26/2012 7:30 AM 0.02 0.2 0.02 M M OVC, very light north wind. Temp = 27 Deg. F at obs time. Little to no snow on hard surfaces. Max snow on grassy areas is about an inch.
11/11/2012 8:00 AM 0.35 0.8 0.21 0.5 M 0.l4 inces of rain and 0.21 inches of snowmelt. Temp at obs time = 25 Deg. F.
11/12/2012 7:00 AM 0.00 0.0 M T M Some snow and ice on grassy areas and shaded areas.
11/13/2012 7:00 AM 0.00 0.0 M T M Some snow and/or ice on the ground, some in exposed areas, but mostly in shaded areas.
11/14/2012 7:00 AM 0.00 0.0 M T M Trace of snow on the ground, but only in shaded areas.
11/15/2012 7:40 AM 0.00 0.0 M T M Snow in shaded areas only.
11/26/2012 7:30 AM 0.00 0.0 M M M Overcast & calm. Dry. Temp = 30 Deg. F.
11/27/2012 8:30 AM 0.00 0.0 M M M Dry. Mostly high clouds with sunlight coming thru. Temp = 48 Deg. F at obs time - seems a bit high though. No precip recorded.
12/6/2012 7:00 AM 0.00 0.0 M M M Overcast & Calm. No precip.
12/7/2012 7:00 AM 0.00 0.0 M M M No precip, but some frost on grassy areas, windshields, and rooftops.
12/9/2012 8:00 AM 0.04 0.5 0.04 0.5 M Overcast & cold. Snow is almost entirely on grassy areas. Streets and sidewalks are mostly dry and clear, but with isolated patches of ice. Temp = 15 Deg. F at obs time.
12/10/2012 7:00 AM 0.00 0.0 M 0.5 M Mostly cloudy, calm, and cold. Still some very isolated patches of ice on streets.
12/11/2012 6:15 AM 0.03 0.5 0.03 0.5 0.03 Calm & clear. Temp = 21 Deg. F. Uniform blanket of snow covering grassy areas and hard surfaces alike. Where snow is dry, hard surfaces are not slick, but areas in and near where ice melt was applied are at times, slushy and icy.
12/15/2012 8:00 AM 0.00 0.0 0.00 M M Dry and calm, with low overcast skies. Temp = 36 Deg. F.
12/18/2012 6:45 AM 0.00 0.0 M M M No precip yet. 33 Deg. F @ obs time. Mostly cloudy skies. Ready for some SNOW!
12/19/2012 7:25 AM 0.03 1.2 0.03 1.0 M Very light snow falling at obs tome. Overcast with winds from the NW at 7 mph. Temp = 16 Deg. F. About an inch of snow on hard surfaces.
12/20/2012 8:30 AM 0.15 1.7 0.15 2.5 M Clear, wind from the SW @ 7 mph @ obs time. Temp = 19 Deg. F. Approx. 1 inch of snow on hard surfaces, as much as 3.5 inches on grassy areas, with windswept areas having as little as 0.5 inches. Roads snowpacked in immediate neighborhood.
12/21/2012 7:45 AM 0.00 0.0 M 1.0 M Mostly cloudy with higher, thinner clouds. Temp = 32 Deg. F at obs time. Wind SW @ 6 mph. Streets are mostly snowpacked and icy, with some clear areas. Snow amts varied from 0 inches (clear & dry) to around 2-2.5 inches in small areas. Most measurements were around 1-inch depth.
12/22/2012 7:00 AM 0.00 0.0 M 0.5 M Sunny & calm. Shaded areas with as much as 1 inch of snow and exposed areas are almost all clear. Streets are about 60-65% clear & dry and about 40-35% snowpacked and/or icy.
12/23/2012 7:00 AM 0.00 0.0 M T M Streets are mostly clear, with some areas of ice and ice. Otherwise, most snow and ice are found in shaded areas.
12/24/2012 7:00 AM 0.00 0.0 M T M Isolated areas of snow and ice - mostly in shaded areas, but small parts of local streets and sidewalk gutters have some areas of ice.
12/26/2012 7:40 AM 0.00 0.0 M 2.0 M Overcast & calm. Temp = 10 Deg. F. Streets are almost entirely snowpacked. Isolated icy areas.
12/27/2012 7:00 AM 0.00 0.0 M 1.5 M Mostly cloudy with a very light wind from the south. Temp = 15 Deg. F. Streets i9n neighborhood are mostly snowpacked with some icy areas.
12/28/2012 7:00 AM 0.00 0.0 M 1.5 M Skies mostly cloudy. Calm. Temp is still below freezing. Street is still almost entirely snowpacked with some small icy areas.
12/29/2012 7:00 AM 0.00 0.0 M 1.5 M Mostly cloudy with periods of sun. Temps still below freezing. Street is still almost completely snowpacked with some areas of ice.
12/30/2012 7:00 AM 0.00 0.0 M 1.0 M Mostly clear skies & calm. Streets are still almost totally snowpacked, with isolated patches of ice. Main drags are clear, except along the sides, where there is ice.
12/31/2012 7:00 AM 0.00 0.0 M 1.0 M Mostly cloudy & calm. Street in front of house is still mostly snowpacked, but now with an occasional clear spot and increasing areas of ice. Some snow has begun to melt in the yard.
1/1/2013 8:00 AM 0.00 0.0 M 1.0 M Overcast & calm. Temp = 17 Deg. F. Streets are still mostly snowpacked, but with slowly, but surely increasing areas of ice and clear areas. No new snow.
1/12/2013 8:30 AM 0.10 0.7 0.10 0.5 M
1/14/2013 8:00 AM T T M 0.5 M Just a few flakes falling late yesterday afternoon & evening. Temp @ obs time was 8 Deg. F - overly warm due to temp sensor's location - close to the house. Street in front of house is snowpacked.
1/15/2013 7:00 AM T T T M M A very light dusting of snow. Still very cold.
1/27/2013 7:00 AM T M M M M Rain fell during the nighttime hours. Amount unknown since gauge was not put out. Ground was still damp in places this morning.
1/29/2013 7:00 AM 0.19 2.0 0.19 2.0 M Calm, BINOVC. Temp = 25 Deg. F at obs time. Betw 2 and 3 inches of snow on grassy areas. Streets, sidewalks, and other hard surfaces had betw 0.25 and 0.5 inches of snow on top of a hard, crusty layer of ice. Overall average depth is probably closer to 1.75 inches, so rounded up to 2 inches for total depth.
1/30/2013 7:00 AM 0.00 0.0 M 1.0 M Mostly cloudy skies and cold with temps below freezing. Snow accumulation is almost entirely on grassy areas. Neighborhood streets and sidewalks are mostly clear and dry, but with patches of ice. On grassy areas, snow depths were from a trace to 1.5 inches, with most readings around 1 inch.
1/31/2013 7:00 AM 0.00 0.0 M 0.5 M Temp = 29 Deg. F. Clear & calm. Snow is almost entirely confined to grassy areas. Very isolated patches of snow and/or ice on streets and sidewalks - mostly along gutters and in shaded areas. Total accum is based on snow measured in grassy areas.
2/1/2013 7:00 AM 0.00 0.0 M T M Snow on ground is almost entirely confined to shaded areas with little solar exposure.
2/10/2013 7:00 AM T T M T M Mostly cloudy and very cold. Just a few flakes of snow on the ground here and there.
2/15/2013 7:00 AM 0.02 0.2 0.02 T M Temp = 21 Deg. F. Calm & mostly cloudy. Streets & sidewalks are mostly dry, but some snow and/or ice is on the north-facing side of the house. Snow which fell on other parts of streets & sidewalks melted on contact.
2/21/2013 7:20 AM 0.33 4.8 0.33 4.0 M Overcast & light snow falling at obs time. Temp = 18 Deg. F. Very light wind from the north. Approx 3" on hard surfaces and approx. 5" on grassy areas. Shovelled walk betw 8:30 AM & 8:50 AM. Some icy areas under snow layer, indicating snow which fell on hard surfaces initially melted before starting to accumulate.
2/22/2013 6:45 AM T T T 3.0 M Just a few flakes fell late yesterday. Mostly cloudy & calm at obs time. Temp = 17 Deg. F. Street in front of house is ~60% clear & ~40% covered, mostly with ice, but some snow. Little, if any, naturally accumulated snow left on hard surfaces.
2/23/2013 7:00 AM 0.00 0.0 M 1.5 M Mostly cloudy, with thin mid-to-high-level clouds. very light wind from the south. Isolated areas of snow and/or ice on the street - mostly along the gutter areas, with some isolated patches of ice in the middle of the road.
2/24/2013 3:45 AM T T T T M Just a little bit of snow here and there on the ground. Wondering if the storm missed us.
2/25/2013 7:00 AM 0.95 8.7 0.95 9.0 M Clear, sunny, & calm. Minimum snow amount was ~6 inches and max snow amount in drifts was ~12 inches.
2/26/2013 7:00 AM T T T 7.0 M Very light snow falling at obs time - a flake here and a flake there. Temp = 23 Deg. F. Mostly cloudy and calm. A very slight dusting of snow on the ground.
2/27/2013 7:00 AM 0.08 0.7 0.08 7.0 M Clear, sunny & calm. Snow on sidewalks & street is from 0.25 to 0.5 inches. Some snow which fell yesterday melted before temperatures were low enough to promote freezing.
2/28/2013 7:05 AM 0.00 0.0 M 6.5 M Clear & calm. Temp = 17 Deg. F. Street in front of house is ~65% snowpacked & icy and ~35% clear.
3/2/2013 8:20 AM 0.00 0.0 M 2.5 M Partly cloudy, sunny & calm. Street in front of house is ~85-90% clear and ~15-10% icy & snowpacked. Temp = 41 Deg. F at obs time.
3/3/2013 8:45 AM 0.00 0.0 0.00 1.0 M Mostly cloudy & calm. Street in front of house is mostly clear with some areas of snow or ice along gutters.
3/4/2013 7:15 AM T T T T M Overcast. Very light snow falling at obs time. Temp = 29 Deg. F.
3/5/2013 7:10 AM 0.09 0.9 0.09 0.5 M Clear, calm & sunny. No new snow on sidewalks or streets, except on north-facing side of house.
3/9/2013 5:45 AM T T T T M Snow just starting to fall, just starting to accumulate on grassy areas. Melting on street & sidewalk.
3/10/2013 8:30 AM 0.53 4.6 0.53 4.0 M Calm, clear, sunny. Limited amounts of snow on the street. Lots of ice, where wet snowmelt froze during the overnight hours. Disappointing snowfall amount, although the moisture was very welcome.
3/11/2013 7:15 AM 0.00 0.0 0.00 2.0 M Mostly cloudy skies and calm. Isolated spots of snow and/or ice along the gutters of street.
3/12/2013 8:00 AM 0.20 2.4 0.20 3.0 M Overcast with light snow falling at obs time. Temp = 25 Deg. F. Very light wind from a northerly direction. Less than an inch on driveway and sidewalk. Most of what fell on the street melted, although there was some snow along the sides of the street. Some icy areas.
3/13/2013 7:00 AM 0.00 0.0 M 0.5 M Clear & calm. Cold. Some ice & snow in street gutters in isolated areas. Snow on the ground now is mostly in relatively shaded areas.
3/23/2013 8:15 AM 0.64 7.8 0.64 8.0 M Temp was 8 Deg. * at obs time - seems a bit too cool as compared to other readings. Wind N @ 11 mph. Snow amts from 3' in windy, exposed areas to drifts over 1 ft high. Streets and hard surfaces had amts somewhat lower than grassy areas. Heavy snow falling at obs time.
3/26/2013 7:00 AM 0.00 0.0 0.00 4.0 M Temp = 21 Deg. F at obs time. Mostly cloudy & calm. Streets are mostly clear & dry down the middle, but have crusty snow and/or ice along most of the sides.
3/27/2013 7:00 AM 0.00 0.0 M 1.0 M Cold & calm. Streets are almost entirely clear, but for a few patches of ice in and along gutters.
3/28/2013 7:00 AM 0.00 0.0 M T M Overcast & calm. Streets are clear & dry except very isolated patches of snow or ice along the gutters.
3/29/2013 8:05 AM 0.00 0.0 M T M Overcast & calm. Snow is limited to shaded areas.
3/30/2013 7:00 AM 0.00 0.0 M M M Some virga seen to my west yesterday at ~5 PM. No precip here.
4/2/2013 7:00 AM 0.00 0.0 M M M Mostly cloudy & calm. No precip fell here.
4/3/2013 7:05 AM 0.19 M M M M Overcast & calm. Temp = 36 Deg. F. No snow on ground at all. No rain falling at obs time. Hard surfaces had moisture on them, but were starting to dry.
4/4/2013 7:00 AM 0.00 0.0 M M M Clouds & some haze yesterday morning, but no precip.
4/9/2013 6:45 AM 0.25 2.7 0.25 2.0 M Overcast with light snow falling at obs time. Temp = 15 Deg. F. North wind @ 3-6 mph. Little if any snow on street and just a slight covering on the concrete driveway & sidewalk.
4/10/2013 7:35 AM 0.20 2.2 0.20 3.0 M Clear & sunny. No clouds. Temp = 14 Deg. F. Winds NE @ 3 mph. Approx 3" of snow on grassy areas and 0.25 to 0.5" of snow in street, sidewalk, and driveway.
4/11/2013 7:15 AM 0.00 0.0 0.00 T M Partly cloudy skies & very light north wind (1 mph). Temp = 26 Deg. F. Snow is on grassy areas and shaded north-side areas.
4/12/2013 7:00 AM T M M M M Just a few of the tiniest sprinkles of rain I've ever seen at ~2:15 PM.
4/14/2013 7:00 AM 0.20 M M M M
4/15/2013 7:00 AM 0.00 0.0 M M M
4/16/2013 7:15 AM 0.53 7.3 0.53 5.0 M Calm & overcast. Temp = 24 Deg. F. No precip falling. Streets and sidewalks icy in spots. Trace to 3 inches on hard surfaces. 3-6 inches on grassy areas.
4/17/2013 7:05 AM T M M 1.0 M Temp = 29 Deg. F, overcast with freezing drizzle. Roads & sidewalks are just wet due to stored heat, but neighbor's car windows were iced over. Only a trace recorded, since the rain gauge was kept inside.
4/18/2013 6:50 AM 0.20 3.1 0.20 5.0 M Scattered thin clouds, otherwise sunny & calm. Temp = 19 Deg. F. About 5-6 inches of snow on grassy areas and about 0.25 to 0.5 inches of snow on hard surfaces.
4/19/2013 7:00 AM 0.00 0.0 0.00 T M
4/20/2013 8:05 AM 0.00 0.0 0.00 T M Snow only in shaded areas. Calm. Temp = 43 Deg. F.
4/22/2013 7:00 AM T M M M M Rain began falling during the 6 PM hour. Trace may not be correct. I did not have the gauge put outside.
4/23/2013 8:15 AM 0.45 4.6 0.45 4.0 M Overcast & light snow falling. Very light northerly wind. About 0.5 to 0.75 inches of snow on hard surfaces and ~4.5 to 5 inches on grassy areas. Crusty ice/snow on hard surfaces. Gutters were slushy, but not frozen. Temp = 21 Deg. F.
4/24/2013 7:20 AM T T T 1.0 M Mostly cloudy, wind S @ 3 mph. Temp = 29 Deg. F. Snow almost entirely gone from streets and sidewalks, except for north facing areas. Trace to 2 inches of snow on grassy areas.
4/25/2013 7:15 AM 0.00 0.0 0.00 T M Mostly clear, sunny, & calm. Traces of natural snowfall left only in shaded areas.
4/26/2013 7:00 AM 0.00 0.0 0.00 0.0 M Clear, sunny, calm, & mild. No snow to be found. Should be a very pleasant day.
5/1/2013 7:15 AM 0.12 0.6 0.08 T M Snow just starting to accumulate on grassy areas. Snow melting on contact with sidewalks and streets. Temp = 33 Deg. F with a very light northerly wind. Liquid precip is 0.04 inches of rain and 0.08 inches of SWE.
5/2/2013 7:00 AM 0.36 4.2 0.36 4.5 M Clear, sunny & calm. Temp = ~33 Deg. F. Snow on grassy areas. No snow on streets and sidewalks, except which has fallen from trees. Very isolated areas of ice on shaded hard surfaces, but most shaded hard surfaces were simply wet. Snow amounts on grassy areas.
5/8/2013 7:00 AM 0.14 M M M M
5/9/2013 7:55 AM 0.49 M M M M Overcast & calm. No precip falling at obs time. Approx 0.10 inches of rain fell yesterday morning from ~8:30 AM to ~10:00 AM. The other 0.39 inches fell starting at ~3:30 PM yesterday afternoon.
5/11/2013 7:00 AM 0.01 M M M M
5/12/2013 7:00 AM T M M M M
5/15/2013 7:00 AM 0.01 M M M M
5/16/2013 7:00 AM 0.21 M M M M
5/20/2013 7:15 AM 0.02 M M M M Overcast with light rain falling.
5/21/2013 7:00 AM 0.14 M M M M
5/23/2013 7:00 AM 0.02 M M M M
5/27/2013 7:00 AM 0.01 M M M M
5/29/2013 7:00 AM 0.00 0.0 M M M
6/5/2013 7:00 AM 0.23 M M M M
6/8/2013 7:00 AM 0.07 M M M M (edit: daily precip initially recorded as 0.07". changed to NA due to date shift suspicion. observer contacted. P.G.) (observation changed from the 7th to the 8th. P.G.)
6/14/2013 7:00 AM 0.00 0.0 M M M Thunder heard, but no rain.
6/17/2013 7:00 AM T M M M M Some thunder and a smattering of rain between 12 and 2 PM.
6/18/2013 7:00 AM 0.00 0.0 M M M
6/19/2013 7:00 AM T M M M M A drop or two of rain on the driveway and no more. Thunder heard. Funnel cloud seen in the direction of DIA from this location at ~2:15 PM.
6/20/2013 7:00 AM 0.00 0.0 M M M Dry & winds out of the south in the afternoon.
6/21/2013 7:00 AM 0.00 0.0 M M M Dry, warm, but not as windy as yesterday.
6/24/2013 7:00 AM 0.25 M M M M
6/29/2013 7:00 AM 0.06 M M M M Rain began falling at approx. 9:45 PM last night. Nice lightning show, too.
6/30/2013 7:00 AM 0.00 0.0 M M M No rain, but cloudy in the afternoon.
7/1/2013 7:00 AM 0.01 M M M M
7/2/2013 7:00 AM 0.03 M M M M
7/7/2013 7:00 AM 0.03 M M M M
7/8/2013 7:00 AM T M M M M
7/11/2013 7:00 AM 0.00 0.0 M M M Dry here. Tstorms to the south, east, and north of this location.
7/12/2013 7:00 AM 0.07 M M M M A 5-minute quickie.
7/13/2013 7:00 AM 0.20 M M M M A very welcome rainstorm.
7/14/2013 7:00 AM 0.99 M M M M Heaviest rain fell between 6 and 7 PM yesterday evening. Lots of nearby lightning. About 0.2 inches of the total fell earlier in the day.
7/15/2013 7:00 AM 0.38 M M M M Heavy downpour started just after midnight.
7/16/2013 7:00 AM 0.44 M M M M
7/19/2013 7:00 AM 0.02 M M M M A brief shower between 10 PM and 11 PM.
7/20/2013 7:00 AM T M M M M
7/24/2013 7:00 AM 0.00 0.0 M M M A few clouds late in the day yesterday, but no rain.
7/25/2013 7:00 AM 0.00 0.0 M M M No rain here. Rain well to the south and west of this location.
7/26/2013 7:00 AM 0.05 M M M M
7/28/2013 7:50 AM 0.25 M M M M Light rain falling at obs time.
7/29/2013 8:00 AM 0.04 M M M M Foggy. Vis @ ~1/2 mile.
7/31/2013 7:00 AM 0.16 M M M M
8/1/2013 7:00 AM T M M M M A few drops fell during a gusty thunderstorm 6 & 7 PM. Not enough to moisten anything.
8/4/2013 7:00 AM 0.52 M M M M A nice, soaking rain.
8/5/2013 7:00 AM 0.12 M M M M Main rainstorm was between 6 & 6:50 PM. A light shower moved through here between 10:05 and 10:20 PM. Almost a continuous rumbling of thunder with the earlier storm, but very little lightning actually seen.
8/6/2013 7:00 AM 0.01 M M M M
8/7/2013 7:35 AM T M M M M Just a very slight moistening of parts of the driveway. Other concrete surfaces were not wet. OVC. Temp = 65 Deg. F.
8/8/2013 7:00 AM 0.03 M M M M A relatively short period of midday rain.
8/9/2013 7:00 AM 1.70 M M M M See hail report. 3 hail bursts. 1st burst began @ 6:55 PM, lasted ~1 minute. 2nd burst began @ ~7 PM, lasted ~2 minutes. 3rd burst began @ ~7:10 PM, lasted ~ 10 minutes.
8/10/2013 7:00 AM 0.06 M M M M
8/11/2013 7:00 AM 0.15 M M M M
8/12/2013 7:00 AM T M M M M
8/13/2013 7:00 AM 0.31 M M M M Rain began falling here during the late 8 PM hour.
8/14/2013 7:00 AM 0.00 0.0 M M M
8/22/2013 7:00 AM 0.05 M M M M Overcast & pleasant. Calm. T-storms in the area between 6 and 8 PM yesterday evening. This station was on the southern edge of the storm - with the heaviest precip being to the north.
8/23/2013 7:00 AM 0.12 M M M M Just rain here, no hail.
8/26/2013 7:00 AM 0.03 M M M M
8/27/2013 7:00 AM 0.02 M M M M
8/31/2013 7:00 AM 0.02 M M M M
9/4/2013 7:00 AM 0.01 M M M M
9/9/2013 7:00 AM T M M M M
9/10/2013 7:00 AM 0.00 0.0 M M M
9/11/2013 8:35 AM 1.36 M M M M OVC with light rain at obs time. Heaviest rate of rainfall was between ~5:30 PM and ~6:15 PM on 9/10.
9/12/2013 6:40 AM 3.97 M M M M This rainfall amount is since 9/11 at 8:35 AM to 6:40 AM on 9/12. I am right on the western fringe of the heaviest rain cores which hit I-225 and portions east thereof. Appears this area is something of a convergence zone for moderate to heavy rain.
9/13/2013 7:35 AM 6.78 M M M M Wow! This is a record 24-hr amt for this station. Three-day total is also a record and almost adds up to the annual climatolgical average moisture. At obs time, very light falling under OVC skies.
9/14/2013 7:00 AM T M M M M
9/15/2013 7:00 AM 2.03 M M M M
9/16/2013 7:00 AM 0.67 M M M M
9/17/2013 7:00 AM 0.00 0.0 M M M inferred based off area maps to complete daily flood mapping efforts CSPEARS
9/23/2013 7:20 AM 0.92 M M M M OVC, very light rain falling @ obs time.
9/24/2013 7:00 AM 0.01 M M M M
9/25/2013 7:00 AM 0.00 0.0 M M M
9/27/2013 9:15 AM T M M M M Cool & overcast with light drizzle falling at obs time.
9/28/2013 7:00 AM 0.14 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
3/24/2013 3/25/2013 7:00 AM 2 0.45 6.0 0.45 3.1 inches of snow on the snowboard & 0.45 inches of SWE. Overcast & calm @ obs time. Temp = 14 Deg. F. Streets have mostly hard-crusted snow and ice on them - almost flat with the road surface. Pavement is visible.



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
5/9/2013 2:05 PM No hail pad observations. 1/4" Pea Size 1/4" Pea Size 1/4" Pea Size Hard|White Ice 5 2min no damage Continuous True After rain Same time as smaller hail 10-20
5/29/2013 9:39 AM Rice Rice Rice Hard|White Ice 2 1min no damage Continuous True After rain Same time as smaller hail vertical
7/1/2013 2:10 PM Very short interval of hail with just a few stones. You wouldn't know there was hail, unless you saw a stone or two on the ground, like I did. 1/4" Pea Size 1/4" Pea Size 1/4" Pea Size White Ice 1 1min Intermittent True Same time as rain Same time as smaller hail
8/8/2013 6:55 PM 1/2" Grape 3/8" 1/4" Pea Size Hard|Clear Ice|White Ice 25 3min minor leaf damage Intermittent True After rain Before smaller hail 10-20