Station Overview Station Location
Station Number CO-BO-120 Latitude 40.0132
Station Name Boulder 3.0 E Longitude -105.2064
County Boulder Elevation (ft) 5266



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 10 1.23 0.62 32 0.08 14 0.54 18 5 3 0 0.0 0 0
Nov 10 0.91 0.38 29 0.02 10 0.36 19 6 1 1 0.0 0 0
Dec 10 0.68 0.06 31 0.06 15 0.00 16 5 2 2 0.5 1 0
Jan 11 0.55 0.83 29 0.24 20 0.59 9 4 2 0 0.5 1 4
Feb 11 0.56 0.72 28 0.38 17 0.34 11 4 6 0 4.4 3 5
March 11 1.75 0.32 29 0.22 16 0.10 13 4 4 0 0.5 1 0
April 11 2.12 1.90 30 0.44 13 1.46 17 3 6 1 0.0 0 0
May 11 2.46 3.17 31 2.06 12 1.11 19 9 5 1 0.0 0 0
June 11 1.95 0.99 30 0.99 19 0.00 11 3 5 2 0.0 0 0
July 11 1.67 2.43 31 0.30 7 2.13 24 5 4 1 0.0 0 0
Aug 11 1.57 0.34 28 0.18 8 0.16 20 3 3 1 0.0 0 0
Sept 11 1.51 1.72 30 0.82 13 0.90 17 5 5 1 0.0 0 0
Water Year Totals: 16.96" 13.48" 358 days 5.79" 164 7.69" 194 days 56 46 days 10 days 5.9" 6 days 9 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
10/1/2010 0.00
10/2/2010 **
10/3/2010 **
10/4/2010 0.00
10/5/2010 0.00
10/6/2010 0.00
10/7/2010 0.05
10/8/2010 0.02
10/9/2010 0.00
10/10/2010 **
10/11/2010 **
10/12/2010 0.45
10/13/2010 0.01
10/14/2010 0.00
10/15/2010 0.00
10/16/2010 **
10/17/2010 **
10/18/2010 **
10/19/2010 0.00
10/20/2010 0.00
10/21/2010 0.00
10/22/2010 0.00
10/23/2010 **
10/24/2010 **
10/25/2010 0.09
10/26/2010 0.00
10/27/2010 0.00
10/28/2010 **
10/29/2010 **
10/30/2010 **
10/31/2010 **
11/1/2010 0.06
11/2/2010 0.00
11/3/2010 0.00
11/4/2010
11/5/2010 0.00
11/6/2010 **
11/7/2010 0.00
11/8/2010 0.00
11/9/2010 **
11/10/2010 **
11/11/2010 **
11/12/2010 **
11/13/2010 **
11/14/2010 **
11/15/2010 **
11/16/2010 0.30
11/17/2010 0.02
11/18/2010 0.00
11/19/2010 0.00
11/20/2010 **
11/21/2010 **
11/22/2010 T
11/23/2010 0.00
11/24/2010 T
11/25/2010 **
11/26/2010 0.00
11/27/2010 **
11/28/2010 **
11/29/2010 T
11/30/2010 0.00
12/1/2010 T
12/2/2010 0.00
12/3/2010 0.00
12/4/2010 **
12/5/2010 **
12/6/2010 0.00
12/7/2010 0.00
12/8/2010 0.00
12/9/2010 0.00
12/10/2010 0.00
12/11/2010 T
12/12/2010 **
12/13/2010 0.00
12/14/2010 0.00
12/15/2010 0.00
12/16/2010 0.04
12/17/2010 0.02
12/18/2010 **
12/19/2010 **
12/20/2010 0.00
12/21/2010 0.00
12/22/2010 **
12/23/2010 **
12/24/2010 T
12/25/2010 **
12/26/2010 **
12/27/2010 0.00
12/28/2010 0.00
12/29/2010 0.00
12/30/2010 **
12/31/2010 **
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.29
1/2/2011 0.00
1/3/2011 0.00
1/4/2011 0.00
1/5/2011 0.00
1/6/2011 0.00
1/7/2011 0.00
1/8/2011 **
1/9/2011 **
1/10/2011 0.30
1/11/2011 0.00
1/12/2011 0.00
1/13/2011 0.00
1/14/2011 0.00
1/15/2011 0.00
1/16/2011 **
1/17/2011 0.00
1/18/2011 0.00
1/19/2011 0.00
1/20/2011 0.21
1/21/2011 0.00
1/22/2011 **
1/23/2011 **
1/24/2011 0.00
1/25/2011 0.00
1/26/2011 0.00
1/27/2011 0.00
1/28/2011 0.00
1/29/2011
1/30/2011
1/31/2011 0.03
2/1/2011 0.06
2/2/2011 0.00
2/3/2011 0.03
2/4/2011 0.01
2/5/2011 **
2/6/2011 **
2/7/2011 0.31
2/8/2011 0.22
2/9/2011 0.01
2/10/2011 0.00
2/11/2011 0.00
2/12/2011 **
2/13/2011 **
2/14/2011 0.00
2/15/2011 0.00
2/16/2011 0.00
2/17/2011 0.00
2/18/2011 0.00
2/19/2011 **
2/20/2011 **
2/21/2011 0.03
2/22/2011 0.00
2/23/2011 0.00
2/24/2011 0.00
2/25/2011 0.05
2/26/2011 0.00
2/27/2011 **
2/28/2011 T
3/1/2011 0.00
3/2/2011 0.00
3/3/2011 0.00
3/4/2011 0.00
3/5/2011
3/6/2011
3/7/2011 0.03
3/8/2011 0.01
3/9/2011 **
3/10/2011 **
3/11/2011 **
3/12/2011 **
3/13/2011 **
3/14/2011 0.10
3/15/2011 **
3/16/2011 0.00
3/17/2011 0.00
3/18/2011 0.04
3/19/2011 **
3/20/2011 **
3/21/2011 0.00
3/22/2011 0.00
3/23/2011 0.00
3/24/2011 0.00
3/25/2011 0.00
3/26/2011 0.00
3/27/2011 **
3/28/2011 T
3/29/2011 0.14
3/30/2011 0.00
3/31/2011 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.00
4/2/2011 **
4/3/2011 **
4/4/2011 **
4/5/2011 **
4/6/2011 0.15
4/7/2011 0.00
4/8/2011 0.01
4/9/2011 0.00
4/10/2011 **
4/11/2011 **
4/12/2011 **
4/13/2011 **
4/14/2011 **
4/15/2011 **
4/16/2011 1.06
4/17/2011 0.00
4/18/2011 0.00
4/19/2011 0.20
4/20/2011 T
4/21/2011 0.16
4/22/2011 0.02
4/23/2011 **
4/24/2011 **
4/25/2011 0.25
4/26/2011 0.01
4/27/2011 0.04
4/28/2011 0.00
4/29/2011 **
4/30/2011 **
5/1/2011 **
5/2/2011 T
5/3/2011 T
5/4/2011 0.00
5/5/2011 0.00
5/6/2011 0.00
5/7/2011 **
5/8/2011 **
5/9/2011 0.00
5/10/2011 0.00
5/11/2011 1.11
5/12/2011 0.50
5/13/2011 **
5/14/2011 T
5/15/2011 **
5/16/2011 0.27
5/17/2011 **
5/18/2011 0.44
5/19/2011 **
5/20/2011 0.40
5/21/2011 0.12
5/22/2011 **
5/23/2011 0.00
5/24/2011 0.30
5/25/2011 0.03
5/26/2011 0.00
5/27/2011 0.00
5/28/2011 **
5/29/2011 0.00
5/30/2011 **
5/31/2011 0.00
6/1/2011 **
6/2/2011 **
6/3/2011 **
6/4/2011 **
6/5/2011 **
6/6/2011 0.00
6/7/2011 0.00
6/8/2011 0.00
6/9/2011 0.15
6/10/2011 0.00
6/11/2011 **
6/12/2011 0.00
6/13/2011 0.00
6/14/2011 0.00
6/15/2011 0.00
6/16/2011 0.00
6/17/2011 T
6/18/2011 0.00
6/19/2011 0.04
6/20/2011 0.77
6/21/2011 T
6/22/2011 0.00
6/23/2011 0.00
6/24/2011 0.00
6/25/2011 **
6/26/2011 **
6/27/2011 0.00
6/28/2011 0.00
6/29/2011 0.01
6/30/2011 0.02
Day of YearDaily PrcpMultiday Prcp
7/1/2011 **
7/2/2011 **
7/3/2011 **
7/4/2011 **
7/5/2011 0.12
7/6/2011 **
7/7/2011 **
7/8/2011 **
7/9/2011 **
7/10/2011 **
7/11/2011 1.98
7/12/2011 0.15
7/13/2011 0.09
7/14/2011 0.04
7/15/2011 T
7/16/2011 **
7/17/2011 0.00
7/18/2011 0.00
7/19/2011 0.00
7/20/2011 0.02
7/21/2011 **
7/22/2011 0.02
7/23/2011 **
7/24/2011 **
7/25/2011 **
7/26/2011 0.01
7/27/2011 **
7/28/2011 **
7/29/2011 **
7/30/2011 **
7/31/2011 **
8/1/2011 **
8/2/2011 0.04
8/3/2011 **
8/4/2011 **
8/5/2011 **
8/6/2011 **
8/7/2011 **
8/8/2011 **
8/9/2011 **
8/10/2011 **
8/11/2011 **
8/12/2011 0.02
8/13/2011 0.00
8/14/2011 0.00
8/15/2011 0.03
8/16/2011 0.11
8/17/2011 0.04
8/18/2011 0.00
8/19/2011 0.00
8/20/2011
8/21/2011
8/22/2011
8/23/2011 T
8/24/2011 **
8/25/2011 **
8/26/2011 **
8/27/2011 **
8/28/2011 **
8/29/2011 **
8/30/2011 **
8/31/2011 0.10
9/1/2011 T
9/2/2011 0.00
9/3/2011 **
9/4/2011 0.00
9/5/2011 **
9/6/2011 T
9/7/2011 0.57
9/8/2011 0.17
9/9/2011 0.00
9/10/2011 **
9/11/2011 **
9/12/2011 0.00
9/13/2011 0.02
9/14/2011 0.01
9/15/2011 **
9/16/2011 **
9/17/2011 **
9/18/2011 **
9/19/2011 **
9/20/2011 **
9/21/2011 0.90
9/22/2011 0.05
9/23/2011 **
9/24/2011 **
9/25/2011 0.00
9/26/2011 0.00
9/27/2011 0.00
9/28/2011 0.00
9/29/2011 0.00
9/30/2011 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2010 3:25 PM 0.00 0.0 M M M Clear (a few clouds over the mountains); 72 degrees F.; slight North breeze.
10/5/2010 5:05 PM 0.00 0.0 M M M Mostly cloudy; 74°F.; slight NW breeze.
10/6/2010 4:45 PM 0.00 0.0 M M M Mostly cloudy; 65°F.; NNE breeze.
10/7/2010 12:20 PM 0.05 M M M M Mostly clear; 64 degrees F.; Slight NNE breeze. Shower last night.
10/8/2010 5:45 PM 0.02 M M M M Mostly couldy with a few periods of sun; 61° F.; Strong W to WNW wind.
10/9/2010 2:20 PM 0.00 0.0 M M M Partly cloudy; 65°F.; moderate to strong WNW wind. New snow visible in high country.
10/13/2010 5:15 PM 0.01 M M M M Partly cloudy; 59°F.; very slight ENE breeze to calm.
10/14/2010 2:15 PM 0.00 0.0 M M M Clear; 64°F.; very slight SE breeze.
10/15/2010 11:40 AM 0.00 0.0 M M M Clear; 62°F.; NE breeze
10/20/2010 4:55 PM 0.00 0.0 M M M Clear; 63°F; light East breeze.
10/21/2010 2:15 PM 0.00 0.0 M M M Mostly clear; 62°F.; slight North breeze.
10/22/2010 10:35 AM 0.00 0.0 M M M Cloudy; 54°F.; slight West breeze.
10/26/2010 2:25 PM 0.00 0.0 M M M Clear; 46°F.; VERY strong West wind.
10/27/2010 4:30 PM 0.00 0.0 M M M Clear; 48°F.; Fairly srong West wind.
11/2/2010 12:10 PM 0.00 0.0 M M M Clear; 56°F.; East breeze.
11/3/2010 3:05 PM 0.00 0.0 M M M Mostly clear; 55°F.; slight NNE breeze.
11/5/2010 11:45 AM 0.00 0.0 M M M Clear; 50°F.; slight North breeze.
11/8/2010 2:30 PM 0.00 0.0 M M M Partly cloudy; 59°F.; NNE breeze.
11/17/2010 11:30 AM 0.02 M M M M Partly cloudy. 39°F.; ENE-E Breeze.
11/18/2010 5:00 PM 0.00 0.0 M M M Partly cloudy; 55°F.; East breeze.
11/19/2010 12:30 PM 0.00 0.0 M M M Partly cloudy; 53°F.; NE breeze.
11/23/2010 2:00 PM 0.00 0.0 M M M Clear. 40°F.; Slight N. breeze.
11/24/2010 2:30 PM T M M M M Mostly cloudy; 35°F.; ENE breeze. A few flakes of snow in a brief flurry.
11/30/2010 11:00 AM 0.00 0.0 M M M Clear; 39°F.; fairly strong W wind.
12/1/2010 12:40 PM T M M M M Partly cloudy; 53°F.; ENE breeze.
12/2/2010 1:00 PM 0.00 0.0 M M M Partly cloudy; 48°F.; slight NE breeze.
12/3/2010 1:00 PM 0.00 0.0 M M M Partly cloudy; 62°F.; very strong West wind ("Chinook" wind).
12/7/2010 5:45 PM 0.00 0.0 M M M Clear. 42°F.; light S breeze.
12/8/2010 12:35 PM 0.00 0.0 M M M Mostly cloudy; 45°F.; calm.
12/9/2010 2:10 PM 0.00 0.0 M M M Partly cloudy; 55°F.; East breeze.
12/10/2010 4:10 PM 0.00 0.0 M M M Partly cloudy (snowing over the mountains to the West); 50°F.; moderate West wind.
12/11/2010 2:20 PM T M M M M Mostly clear (snowing over the mountains to the West); 44°F.; moderate West wind. Slight shower last evening.
12/14/2010 11:15 AM 0.00 0.0 M M M Mostly cloudy (high cirrus clouds); 55°F.; calm to very slight WSW air movement.
12/15/2010 1:50 PM 0.00 0.0 M M M Mostly cloudy; 49°F.; moderate NE wind.
12/16/2010 1:35 PM 0.04 M M M M Mostly clear; 37°F., ENE breeze. Rain shower yesterday afternoon.
12/17/2010 1:30 PM 0.02 0.5 M M M Cloudy with a few snowflakes; 31°F.; WNW breeze.
12/21/2010 3:40 PM 0.00 0.0 M M M Cloudy; 39°F.; N to NE breeze.
12/28/2010 4:15 PM 0.00 0.0 M M M Mostly clear; 42°F. NE breeze.
12/29/2010 4:15 PM 0.00 0.0 M M M Partly cloudy; 48°F.; fairly strong West wind.
1/2/2011 4:30 PM 0.00 0.0 M 3.0 M Partly Cloudy; 38°F.; Strong SW wind with blowing snow, so impossible to determine exact snow depth on ground.
1/3/2011 3:10 PM 0.00 0.0 M M M Mostly clear; 32°F.; ESE breeze.
1/4/2011 4:45 PM 0.00 0.0 M M M Partly cloudy; 30°F.; calm.
1/5/2011 4:00 PM 0.00 0.0 M 2.0 M Mostly clear; 43°F.; fairly strong West wind. Snow spotty (melted spots) in meadow; more on N. side of building. Due to drifting, 2" is only an average snow depth, not an accurate measurement.
1/6/2011 3:10 PM 0.00 0.0 M M M Partly cloudy; 50°F.; W to SW wind. Snow on ground is mostly melted; some patches on north side of building.
1/7/2011 4:00 PM 0.00 0.0 M M M Clear; 42°F.; East breeze. Snow is all melted except for a few patches in the shade on the north sde of bulding.
1/11/2011 11:30 AM 0.00 0.0 M 5.0 M Mostly clear; 15°F.; East breeze.
1/12/2011 1:30 PM 0.00 0.0 M 4.0 M Partly cloudy; 24°F.; calm.
1/13/2011 12:50 PM 0.00 0.0 M M M Partly cloudy; 50°F.; W to WSW breeze.
1/14/2011 3:45 PM 0.00 0.0 M M M Mostly sunny (high thin cirrus clouds); 51°F.; light West wind.
1/15/2011 3:00 PM 0.00 0.0 M M M Mostly cloudy; 47°F.; calm
1/18/2011 2:45 PM 0.00 0.0 M M M Partly cloudy; 51°F; fairly strong NW wind (variable and gusty). Ground bare.
1/19/2011 11:35 AM 0.00 0.0 M M M Partly cloudy; 37°F.; slight East breeze.
1/20/2011 3:00 PM 0.21 M M M M Partly cloudy; 30°F.; slight NNE breeze. Snow started yesterday afternoon about 2:00 p.m. and ended about 5 p.m. This morning was clear.
1/21/2011 4:10 PM 0.00 0.0 M M M Clear; 43°F.; Moderately strong West wind.
1/25/2011 2:00 PM 0.00 0.0 M M M Cloudy; 42°F.; calm
1/26/2011 3:45 PM 0.00 0.0 M M M Clear; 44°F.; light South breeze.
1/27/2011 4:10 PM 0.00 0.0 M M M Partly cloudy; 51°F.; moderate West wind.
1/28/2011 1:30 PM 0.00 0.0 M M M Mostly clear; 58°F.; NNE to NE breeze.
1/31/2011 3:10 PM 0.03 0.5 M M M Cloudy with light snow; 19°F.; NE breeze.
2/1/2011 1:45 PM 0.06 M M M M Partly cloudy; 8°F.; NE breeze.
2/2/2011 3:15 PM 0.00 0.0 M M M Clear; 12°F.; calm to variable slight breeze, N. to E.
2/3/2011 3:20 PM 0.03 M M M M Cloudy with occasional light snow; 36°F.; Calm to slight NE breeze.
2/4/2011 2:55 PM 0.01 M M M M Cloudy; 44°F.; slight East breeze.
2/8/2011 11:40 AM 0.22 3.5 M 8.0 M Cloudy with light snow; 6°F.; light NE breeze.
2/9/2011 2:00 PM 0.01 0.2 M 7.0 M Clear; 21°F.; South breeze.
2/10/2011 3:10 PM 0.00 0.0 M 7.0 M Mostly clear; 27°F.; NE breeze. Snow depth varies a lot. In meadow it is averaging 4". On north side of building it is averaging 7".
2/11/2011 2:50 PM 0.00 0.0 M 7.0 M Mostly clear; 36°F.; light East breeze. Average snow on north side of building is 7", but in the meadow it is 3.5 to 4".
2/15/2011 5:40 PM 0.00 0.0 M 0.0 M Partly cloudy; 54°F.; slight West breeze. Ground bare: snow all melted except for a few patches on north side of building.
2/16/2011 3:10 PM 0.00 0.0 M M M Partly cloudy; 50°F.; moderate southwest wind.
2/17/2011 4:00 PM 0.00 0.0 M M M Partly cloudy; 44°F.; Fairly strong West wind.
2/18/2011 1:55 PM 0.00 0.0 M M M Partly cloudy; 45°F.; calm.
2/22/2011 1:40 PM 0.00 0.0 M M M Mostly clear; 45°F.; East breeze.
2/23/2011 3:50 PM 0.00 0.0 M M M Partly cloudy; 47°F., Moderate East wind.
2/24/2011 4:40 PM 0.00 0.0 M M M Mostly cloudy; 40°F.; calm.
2/25/2011 2:20 PM 0.05 0.7 M 0.7 M Cloudy with slight (light) snow; 28°F.; calm.
2/26/2011 1:05 PM 0.00 0.0 M 0.0 M Partly cloudy; 52°F.; Fairly strong west wind.
3/1/2011 3:00 PM 0.00 0.0 M M M Clear; 54°F.; calm.
3/2/2011 2:15 PM 0.00 0.0 M M M Partly cloudy; 53°F.; East breeze.
3/3/2011 3:30 PM 0.00 0.0 M M M Partly cloudy; 57°F., moderate SW wind.
3/4/2011 3:05 PM 0.00 0.0 M M M Partly cloudy; 48°F.; NE breeze.
3/7/2011 1:20 PM 0.03 M M M M Cloudy with occasional "spitting" (rain/snow/sleet); 29°F.; slight East breeze. Light coating of ice on branches and cars from earlier freezing rain.
3/8/2011 2:20 PM 0.01 M M M M Cloudy; 37°F.; light NNE breeze.
3/17/2011 1:25 PM 0.00 0.0 M M M Partly cloudy; 57°F.; SE breeze.
3/18/2011 11:15 AM 0.04 M M M M Partly cloudy; 46°F.; slight NE breeze. Shower last evening.
3/22/2011 2:20 PM 0.00 0.0 M M M Mostly clear (wind cloud over the Continental Divide to the West); 50°F.; Strong gusty West wind.
3/23/2011 1:45 PM 0.00 0.0 M M M Clear; 53°F.; slight NE breeze.
3/24/2011 2:15 PM 0.00 0.0 M M M Mostly cloudy; 46°F.; West breeze.
3/25/2011 11:40 AM 0.00 0.0 M M M Partly cloudy (high cirrus clouds); 47°F.; NE breeze.
3/26/2011 5:00 PM 0.00 0.0 M M M Mostly cloudy; 54°F'; East wind.
3/29/2011 10:45 AM 0.14 0.5 M M M Partly cloudy; 40°F.; Calm. Rain and snow last evening.
3/30/2011 4:55 PM 0.00 0.0 M M M Mostly cloudy; 54°F.; strong West wind. Light dusting of snow that was on the ground yesterday is totally melted.
3/31/2011 3:35 PM 0.00 0.0 M M M Partly Cloudy; 66°F.; strong West wind.
4/1/2011 2:45 PM 0.00 0.0 M M M Partly cloudy; 64°F.; SE breeze.
4/7/2011 5:00 PM 0.00 0.0 M M M
4/8/2011 4:20 PM 0.01 M M M M Partly cloudy; 65°F.; NW breeze
4/9/2011 1:10 PM 0.00 0.0 M M M Partly cloudy and hazey; 56°F.; North breeze.
4/17/2011 5:20 PM 0.00 0.0 M M M Partly cloudy (wind cloud over the mountains); 64°F.; fairly strong West wind.
4/18/2011 2:00 PM 0.00 0.0 M M M
4/19/2011 12:45 PM 0.20 M M M M Mostly cloudy; 56°F.; ENE wind. Thunderstorms to the East.
4/20/2011 3:00 PM T M M M M Cloudy; 52°F.; calm. Very light sprinkles yesterday did not last. At 10 a.m. this morning the temperature was 38°F.
4/21/2011 1:50 PM 0.16 M M M M Partly cloudy; 66°F.; West wind. Rain in early a.m. this morning.
4/22/2011 2:50 PM 0.02 M M M M Partly cloudy; 57°F.; Fairly strong West wind. Light shower yesterday p.m.
4/26/2011 11:30 AM 0.01 M M M M Mostly cloudy; 54°F.; East breeze.
4/27/2011 1:45 PM 0.04 M M M M Partly cloudy; 57°F.; moderately strong West wind; shower last evening.
4/28/2011 10:35 AM 0.00 0.0 M M M Clear; 60°F.; East breeze.
5/3/2011 1:00 PM T M M M M Mostly cloudy; 64°F.; light North breeze.
5/4/2011 2:00 PM 0.00 0.0 M M M Mostly cloudy; 60°F.; East wind.
5/5/2011 2:00 PM 0.00 0.0 M M M Clear; 64°F.; light East breeze.
5/6/2011 10:30 AM 0.00 0.0 M M M Partly cloudy; 73°F. NW breeze.
5/10/2011 11:45 AM 0.00 0.0 M M M Mostly clear; 69°F.; NE breeze.
5/11/2011 4:00 PM 1.11 M M M M Cloudy (clouds beginning to lift since heavy rains are over); 44°F.; North breeze. New snow now visible on foothills to the West.
5/12/2011 11:50 AM 0.50 M M M M Cloudy, spitting rain; 47°F; calm.
5/21/2011 4:30 PM 0.12 0.0 M M M Partly cloudy; 66°F.; moderate West wind. Thunderstorm yesterday afternoon.
5/24/2011 2:20 PM 0.30 M M M M Cloudy; 56°F.; ENE breeze. Rain shower this morning.
5/25/2011 3:20 PM 0.03 M M M M Partly cloudy; 63°F.; NE breeze. Rain from yesterday afternoon.
5/26/2011 5:00 PM 0.00 0.0 M M M Mostly cloudy; 65°F.; North breeze.
5/27/2011 3:30 PM 0.00 0.0 M M M Partly cloudy; 70°F.; SE breeze.
6/7/2011 2:10 PM 0.00 0.0 M M M Clear; 84°F.; moderately strong SE wind.
6/8/2011 4:40 PM 0.00 0.0 M M M Mostly cloudy; 77°F.; NE breeze.
6/9/2011 2:25 PM 0.15 M M M M Cloudy; 57°F.,calm.
6/10/2011 3:45 PM 0.00 0.0 M M M Mostly clear; 74°F; NE breeze.
6/13/2011 1:30 PM 0.00 0.0 M M M Partly cloudy; 81°F.; NE breeze
6/14/2011 2:50 PM 0.00 0.0 M M M Partly cloudy; 82°F.; West wind.
6/15/2011 1:30 PM 0.00 0.0 M M M Clear; 82°F.; NE breeze.
6/16/2011 4:40 PM 0.00 0.0 M M M Partly cloudy; 86°F.; SW breeze.
6/17/2011 5:00 PM T M M M M Mostly cloudy; 73°F.; East breeze.
6/18/2011 4:05 PM 0.00 0.0 M M M Mostly cloudy; 78°F.; NE breeze.
6/19/2011 7:40 PM 0.04 M M M M Mostly cloudy; 64°F.; NNE breeze.
6/20/2011 3:15 PM 0.77 M M M M Mostly cloudy; 67°F.; NE breeze. Steady rain during the previous evening and early a.m.
6/21/2011 2:00 PM T M M M M Partly cloudy; 79°F.; light East breeze.
6/22/2011 4:25 PM 0.00 0.0 M M M Mostly clear; 80°F.; NE breeze.
6/23/2011 1:30 PM 0.00 0.0 M M M Partly cloudy; 84°F.; slight NE breeze.
6/24/2011 3:50 PM 0.00 0.0 M M M Partly cloudy; 83°F.; North breeze.
6/28/2011 1:40 PM 0.00 0.0 M M M Partly cloudy; 86°F.; NE breeze.
6/29/2011 3:00 PM 0.01 M M M M Mostly cloudy; 87°F.; North breeze. Light shower earlier this afternoon.
6/30/2011 3:20 PM 0.02 M M M M Cloudy; 80°F.; fairly strong West wind. Threatening thunderstorm to the Southwest. Shower late yesterday afternoon created the precipitation reading of 0.02".
7/12/2011 4:30 PM 0.15 M M M M Cloudy with a few drops of rain; 76°F.; Calm.
7/13/2011 4:40 PM 0.09 M M M M Partly cloudy; 81°F.; NE breeze.
7/14/2011 5:00 PM 0.04 M M M M
7/15/2011 6:40 PM T M M M M Partly to mostly cloudy; 83°F.; calm.
7/18/2011 4:00 PM 0.00 0.0 M M M Partly cloudy; 89°F.; East breeze.
7/19/2011 1:00 PM 0.00 0.0 M M M Partly cloudy; 91°F.; slight NE breeze.
7/20/2011 12:30 PM 0.02 M M M M Partly cloudy; 89°F.; East breeze.
8/13/2011 12:30 PM 0.00 0.0 M M M Clear; 75°F.; very slight East breeze.
8/14/2011 11:00 AM 0.00 0.0 M M M
8/15/2011 11:35 AM 0.03 0.0 M M M Partly cloudy; 81°F.; light NW breeze.
8/16/2011 2:45 PM 0.11 M M M M Partly cloudy; 75°F., light East to NE breeze (variable). Earlier cloudburst gave the 0.11 inches of precipitation (see below).
8/17/2011 2:20 PM 0.04 M M M M Partly cloudy; 82°F.; East breeze. Shower late yesterday afternoon.
8/18/2011 3:10 PM 0.00 0.0 M M M Partly cloudy; 94°F.; moderately strong SW wind.
8/19/2011 4:45 PM 0.00 0.0 M M M Mostly cloudy, 79°F.; NW breeze. Thunderstorm to the West over the mountains.
8/23/2011 12:20 PM T M M M M Mostly clear; 87°F.; slight West breeze.
9/1/2011 5:00 PM T M M M M Mostly cloudy and spitting a few rain drops; 84°F.; SW breeze.
9/2/2011 2:20 PM 0.00 0.0 M M M Partly cloudy; 77°F.; East breeze.
9/7/2011 12:15 PM 0.57 M M M M Cloudy and raining; 55°F.; moderate North wind.
9/8/2011 1:00 PM 0.17 M M M M Partly cloudy; 68°F.; East breeze. Precipitation is from yesterday p.m.
9/9/2011 2:45 PM 0.00 0.0 M M M Partly cloudy; 69°F.; slight N to NE breeze.
9/13/2011 12:01 PM 0.02 M M M M Partly cloudy; 74°F.; variable from calm to light SSE to South breeze. Shower during the evening yesterday.
9/14/2011 11:15 AM 0.01 M M M M Cloudy; 60°F.; NE breeze.
9/22/2011 12:45 PM 0.05 M M M M Partly cloudy; 63°F.; East breeze. Shower last evening.
9/26/2011 5:10 PM 0.00 0.0 M M M Partly cloudy; 78°F; NE breeze.
9/27/2011 1:00 PM 0.00 0.0 M M M
9/28/2011 10:15 AM 0.00 0.0 M M M Mostly clear; 70°F.; East breeze.
9/29/2011 3:00 PM 0.00 0.0 M M M Partly cloudy; 63°F.; ENE breeze.
9/30/2011 10:20 AM 0.00 0.0 M M M Clear; 56°F.; East breeze.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/2/2010 10/04/2010 5:35 PM 3 0.00 M M Partly cloudy; 72 degrees F.; SW breeze. There were light showers in the area today, but we did not get any precip. in the guage.
10/10/2010 10/12/2010 12:35 PM 3 0.45 M M Partly cloudy; 53°F.; very slight West breeze. Main precipitation early this a.m. to mid-morning.
10/16/2010 10/19/2010 4:45 PM 4 0.00 M M Mostly Clear; 62°F; Fairly strong East breeze.
10/23/2010 10/25/2010 4:30 PM 3 0.09 M M Partly cloudy (can see storming over the high country); 49°F.; fairly strong west wind. Precipitation is probably mostly from Friday afternoon and evening 10/22/2010.
10/28/2010 10/29/2010 1:05 PM 2 0.00 M M Clear; 72°F.; fairly strong SW "Chinook" wind. Out-of-control forest fire burning in the foothills to the west is making considerable smoke floating to the NE.
10/29/2010 11/01/2010 2:15 PM 4 0.06 M M Mostly clear; 55°F.; light NW breeze. Precip. was probably early this morning.
11/6/2010 11/07/2010 5:05 PM 2 0.00 M M Partly cloudy; 57°F.; West breeze.
11/9/2010 11/16/2010 1:20 PM 8 0.30 M M Partly cloudy. 48°F.; strong SW wind. This observer was away for a week (from 11/09/2110 until today). I was told that there was some snow yesterday morning (11/15/2010).
11/20/2010 11/22/2010 4:50 PM 3 T 0.1 M Partly cloudy (snowing over the mountains to the west); 38°F.; fairly strong WSW wind. Snow on ground is all melted, except slight amount on north side of building. Slight snow occurred this morning.
11/25/2010 11/26/2010 5:35 PM 2 0.00 M M Clear; 40°F.; slight SE breeze.
11/27/2010 11/29/2010 12:30 PM 3 T M M Cloudy with a few "spits" of snow; 38°F.; N to NNE breeze.
12/4/2010 12/06/2010 5:30 PM 3 0.00 M M Cloudy; 43°F.; slight E breeze.
12/12/2010 12/13/2010 3:20 PM 2 0.00 M M Paartly cloudy; 60°F.; moderate NW wind.
12/18/2010 12/20/2010 1:30 PM 3 0.00 M M Mostly cloudy; 52°F.; ENE breeze.
12/22/2010 12/24/2010 4:00 PM 3 T M M Partly cloudy. 45°F., East breeze.
12/25/2010 12/27/2010 5:30 PM 3 0.00 M M Mostly cloudy; 39°F.; calm
12/30/2010 1/01/2011 5:25 PM 3 0.29 4.0 M Mostly clear; 11°F.; slight E. breeze. Snowstorm on 12/30/2010. Very cold.
1/8/2011 1/10/2011 4:40 PM 3 0.30 5.0 M Mostly clear; 19°F.; light ESE breeze. New snow is from yesterday and last night (5.0").
1/16/2011 1/17/2011 1:25 PM 2 0.00 M M Partly cloudy; 55°F.; NW breeze (variable)
1/22/2011 1/24/2011 3:45 PM 3 0.00 M M Mostly clear; 39°F.; light South breeze.
2/5/2011 2/07/2011 2:50 PM 3 0.31 3.0 M Cloudy; 38°F.; calm. Storm on Sunday dumped 4-5" of new snow, which has settled to 3".
2/12/2011 2/14/2011 3:00 PM 3 0.00 0.0 M Mostly clear; 52°F.; light East breeze. Snow melted, ground bare, except for a few patches on north side of building.
2/19/2011 2/21/2011 1:30 PM 3 0.03 M M Clear (clouds over the mountains); 40°F.; NE breeze. Shower on Saturday evening (2/19).
2/27/2011 2/28/2011 5:10 PM 2 T M M Partly cloudy; 57°F.; fairly strong, gusty SW wind. Slight shower last evening.
3/9/2011 3/14/2011 1:45 PM 6 0.10 M M Mostly cloudy; 57°F.; light North breeze. Observer was away from Mar. 9-13. Rain occurred either Sat. night or Sun. morning (3/12 or 3/13).
3/15/2011 3/16/2011 2:45 PM 2 0.00 M M Partly cloudy; 72°F.; Moderate West wind.
3/19/2011 3/21/2011 2:40 PM 3 0.00 M M Partly cloudy; 62°F.; NE breeze.
3/27/2011 3/28/2011 1:15 PM 2 T M M Partly cloudy; 50°F.; Fairly strong West wind.
4/2/2011 4/06/2011 3:00 PM 5 0.15 M M Cloudy; 53°F.; East breeze.
4/10/2011 4/16/2011 7:15 PM 7 1.06 M M Partly Cloudy; 58°F.; West breeze. Note: Observer was out of town for the past week. It snowed midweek: Wednesday rain; Wednesday p.m. and Thursday a.m. snow mix with rain.
4/23/2011 4/25/2011 5:30 PM 3 0.25 M M Partly cloudy; 58°F.; West breeze. Snow and rain showers over the past weekend.
4/29/2011 5/02/2011 4:15 PM 4 T M M Mostly cloudy; 55°F., NE breeze.
5/7/2011 5/09/2011 3:00 PM 3 0.00 M M Partly cloudy; 80°F.; strong South wind.
5/13/2011 5/14/2011 4:00 PM 2 T M M Cloudy and misty; 46°F.; slight NE breeze.
5/15/2011 5/16/2011 2:50 PM 2 0.27 M M Mostly cloudy; 60°F.; light North breeze (variable). Rain over the weekend (mostly Saturday evening).
5/17/2011 5/18/2011 3:00 PM 2 0.44 M M Cloudy and raining; 49°F.; light NE (variable) breeze.
5/19/2011 5/20/2011 3:35 PM 2 0.40 M M Cloudy; 54°F.; Strong West wind, threating thunderstorm approaching.
5/22/2011 5/23/2011 4:30 PM 2 0.00 M M Partly cloudy; 66°F.; East wind.
5/28/2011 5/29/2011 5:45 PM 2 0.00 M M Mostly clear and hazy; 68°F.; light North breeze.
5/30/2011 5/31/2011 3:20 PM 2 0.00 M M Mostly clear; 75°F.; East breeze.
6/1/2011 6/06/2011 4:45 PM 6 0.00 M M Partly cloudy; 86°F.; NE breeze. NOTE: Observer was out of town from June 1 to June 6 and guage was empty today, so it is assumed that there was no precipitation during this period.
6/11/2011 6/12/2011 6:30 PM 2 0.00 M M Partly cloudy; 79°F.; NE breeze
6/25/2011 6/27/2011 1:30 PM 3 0.00 M M Partly cloudy; 78°F.; East breeze.
7/1/2011 7/05/2011 6:25 PM 5 0.12 M M Cloudy; 77°F; calm; thunderstorms to the West. Note: observer was away from 7/1 to 7/5.
7/6/2011 7/11/2011 4:10 PM 6 1.98 M M Cloudy, spitting a few raindrops; 76°F.; West breeze. Threatening thunderstorm to the southwest. 1.15" of precipitation is from 7/7/11. The rest is from the weekend of 7/9 - 7/10.
7/16/2011 7/17/2011 5:30 PM 2 0.00 M M Partly cloudy; 82°F.; moderate West wind.
7/21/2011 7/22/2011 3:50 PM 2 0.02 M M Partly cloudy; 88°F.; East breeze.
7/23/2011 7/26/2011 5:45 PM 4 0.01 M M Cloudy; 76°F.; South breeze. Observer out of town for several days.
7/27/2011 8/02/2011 3:15 PM 7 0.04 M M Mostly cloudy amd spitting rain; 78°F., West breeze. Note: observer was away during this period.
8/3/2011 8/12/2011 4:45 PM 10 0.02 M M Partly cloudy; 81°F.; NE breeze. Note: Observer has been out of town for a week, so precipitation may have evaporated to some extent.
8/24/2011 8/31/2011 5:55 PM 8 0.10 M M Mostly cloudy; 83°F.; moderate West wind. Observer was away from Aug. 23-31, so the precipitation reading was just the amount left in the guage.
9/3/2011 9/04/2011 4:45 PM 2 0.00 M M Clear (a few clouds over mountains); 67°F.; calm.
9/5/2011 9/06/2011 3:50 PM 2 T M M Cloudy with slight rain. 64°F.; West breeze.
9/10/2011 9/12/2011 4:00 PM 3 0.00 M M Partly cloudy; 76°F.; very slight South breeze.
9/15/2011 9/21/2011 5:00 PM 7 0.90 M M Mostly cloudy; 61°F.; light North breeze. Observer was away for about a week. Precipitation was in the guage on 9/19/2011 for a 2-3-day total.
9/23/2011 9/25/2011 6:45 PM 3 0.00 M M Partly cloudy; 67°F.; light South breeze.



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