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 11 1.23 1.30 31 1.05 17 0.25 14 5 3 0 0.0 0 2
Nov 11 0.91 0.71 26 0.71 13 0.00 13 4 1 0 8.5 1 1
Dec 11 0.68 1.21 31 1.02 19 0.19 12 4 4 1 20.5 5 9
Jan 12 0.55 0.26 30 0.19 14 0.07 16 6 4 0 5.4 4 0
Feb 12 0.56 1.28 29 1.27 20 0.01 9 4 5 1 22.5 5 14
March 12 1.75 0.00 31 0.00 25 0.00 6 2 0 3 0.0 0 0
April 12 2.12 1.16 30 0.76 10 0.40 20 5 5 0 0.0 0 0
May 12 2.46 1.60 30 0.55 11 1.05 19 6 3 2 0.0 0 0
June 12 1.95 0.14 29 0.12 16 0.02 13 4 5 1 0.0 0 0
July 12 1.67 2.70 31 0.31 9 2.39 22 4 3 2 0.0 0 0
Aug 12 1.57 0.14 31 0.12 13 0.02 18 5 4 0 0.0 0 0
Sept 12 1.51 1.91 29 0.67 14 1.24 15 5 4 2 0.0 0 0
Water Year Totals: 16.96" 12.41" 358 days 6.77" 181 5.64" 177 days 54 41 days 12 days 56.9" 15 days 26 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
10/1/2011 0.00
10/2/2011 0.00
10/3/2011 **
10/4/2011 **
10/5/2011 **
10/6/2011 **
10/7/2011 0.00
10/8/2011 **
10/9/2011 0.25
10/10/2011 0.01
10/11/2011 0.00
10/12/2011 0.00
10/13/2011 0.00
10/14/2011 0.00
10/15/2011 **
10/16/2011 **
10/17/2011 T
10/18/2011 0.00
10/19/2011 0.00
10/20/2011 0.00
10/21/2011 0.00
10/22/2011 **
10/23/2011 0.00
10/24/2011 0.00
10/25/2011 0.00
10/26/2011 1.03
10/27/2011 0.01
10/28/2011 0.00
10/29/2011 **
10/30/2011 0.00
10/31/2011 0.00
11/1/2011 0.00
11/2/2011 0.71
11/3/2011 0.00
11/4/2011 **
11/5/2011 **
11/6/2011 **
11/7/2011 0.00
11/8/2011 0.00
11/9/2011 0.00
11/10/2011 0.00
11/11/2011 0.00
11/12/2011 **
11/13/2011 **
11/14/2011 **
11/15/2011 0.00
11/16/2011 0.00
11/17/2011 0.00
11/18/2011 0.00
11/19/2011
11/20/2011
11/21/2011
11/22/2011 0.00
11/23/2011 0.00
11/24/2011 **
11/25/2011 **
11/26/2011 T
11/27/2011 **
11/28/2011 0.00
11/29/2011 0.00
11/30/2011
12/1/2011 0.38
12/2/2011 T
12/3/2011 **
12/4/2011 **
12/5/2011 0.19
12/6/2011 0.00
12/7/2011 0.00
12/8/2011 0.00
12/9/2011 0.00
12/10/2011 **
12/11/2011 **
12/12/2011 0.00
12/13/2011 0.00
12/14/2011 0.00
12/15/2011 0.00
12/16/2011 0.00
12/17/2011 0.00
12/18/2011 0.00
12/19/2011 0.05
12/20/2011 0.01
12/21/2011 0.00
12/22/2011 0.58
12/23/2011 **
12/24/2011 0.00
12/25/2011 **
12/26/2011 **
12/27/2011 0.00
12/28/2011 0.00
12/29/2011 0.00
12/30/2011 0.00
12/31/2011 **
Day of YearDaily PrcpMultiday Prcp
1/1/2012 0.00
1/2/2012 0.00
1/3/2012 0.00
1/4/2012 0.00
1/5/2012 0.00
1/6/2012 0.00
1/7/2012 **
1/8/2012 **
1/9/2012 **
1/10/2012 0.06
1/11/2012 0.10
1/12/2012 **
1/13/2012 0.01
1/14/2012 **
1/15/2012 **
1/16/2012 T
1/17/2012 0.04
1/18/2012 0.00
1/19/2012
1/20/2012 0.00
1/21/2012 **
1/22/2012 **
1/23/2012 0.00
1/24/2012 0.03
1/25/2012 0.00
1/26/2012 0.00
1/27/2012 0.02
1/28/2012 **
1/29/2012 **
1/30/2012 0.00
1/31/2012 0.00
2/1/2012 0.00
2/2/2012 0.00
2/3/2012 0.78
2/4/2012 0.20
2/5/2012 **
2/6/2012 0.00
2/7/2012 0.11
2/8/2012 T
2/9/2012 0.00
2/10/2012 0.00
2/11/2012 0.05
2/12/2012 **
2/13/2012 0.00
2/14/2012 0.00
2/15/2012 0.00
2/16/2012 0.00
2/17/2012 0.00
2/18/2012 **
2/19/2012 **
2/20/2012 0.01
2/21/2012 0.00
2/22/2012 0.00
2/23/2012 0.13
2/24/2012 0.00
2/25/2012 0.00
2/26/2012 **
2/27/2012 0.00
2/28/2012 0.00
2/29/2012 0.00
3/1/2012 0.00
3/2/2012 T
3/3/2012 T
3/4/2012 0.00
3/5/2012 0.00
3/6/2012 0.00
3/7/2012 T
3/8/2012 0.00
3/9/2012 0.00
3/10/2012 **
3/11/2012 **
3/12/2012 0.00
3/13/2012 0.00
3/14/2012 0.00
3/15/2012 0.00
3/16/2012 0.00
3/17/2012 0.00
3/18/2012 **
3/19/2012 T
3/20/2012 0.00
3/21/2012 0.00
3/22/2012 0.00
3/23/2012 0.00
3/24/2012 0.00
3/25/2012 0.00
3/26/2012 0.00
3/27/2012 0.00
3/28/2012 0.00
3/29/2012 0.00
3/30/2012 0.00
3/31/2012 **
Day of YearDaily PrcpMultiday Prcp
4/1/2012 **
4/2/2012 **
4/3/2012 **
4/4/2012 **
4/5/2012 **
4/6/2012 **
4/7/2012 **
4/8/2012 **
4/9/2012 0.40
4/10/2012 **
4/11/2012 0.00
4/12/2012 0.21
4/13/2012 0.00
4/14/2012 0.03
4/15/2012 0.48
4/16/2012 0.02
4/17/2012 **
4/18/2012 **
4/19/2012 **
4/20/2012 **
4/21/2012 0.00
4/22/2012 **
4/23/2012 0.00
4/24/2012 0.00
4/25/2012 0.00
4/26/2012 0.00
4/27/2012 0.02
4/28/2012 **
4/29/2012 0.00
4/30/2012 0.00
5/1/2012 **
5/2/2012 0.00
5/3/2012 **
5/4/2012 **
5/5/2012 **
5/6/2012 **
5/7/2012 **
5/8/2012 0.73
5/9/2012 **
5/10/2012 **
5/11/2012 **
5/12/2012 0.16
5/13/2012 **
5/14/2012 0.04
5/15/2012 0.00
5/16/2012 0.00
5/17/2012 T
5/18/2012 0.00
5/19/2012 **
5/20/2012 0.12
5/21/2012 0.00
5/22/2012 T
5/23/2012 0.02
5/24/2012 0.52
5/25/2012 0.01
5/26/2012
5/27/2012 0.00
5/28/2012 **
5/29/2012 **
5/30/2012 0.00
5/31/2012 0.00
6/1/2012 0.00
6/2/2012 0.00
6/3/2012 **
6/4/2012 0.02
6/5/2012 0.00
6/6/2012 0.00
6/7/2012 0.05
6/8/2012 T
6/9/2012 **
6/10/2012 **
6/11/2012 0.00
6/12/2012 0.00
6/13/2012 0.00
6/14/2012
6/15/2012 0.01
6/16/2012 **
6/17/2012 0.00
6/18/2012 0.00
6/19/2012 0.00
6/20/2012 0.00
6/21/2012 0.00
6/22/2012 **
6/23/2012 **
6/24/2012 **
6/25/2012 T
6/26/2012 0.02
6/27/2012 0.02
6/28/2012 0.02
6/29/2012 **
6/30/2012 **
Day of YearDaily PrcpMultiday Prcp
7/1/2012 **
7/2/2012 **
7/3/2012 **
7/4/2012 **
7/5/2012 0.10
7/6/2012 **
7/7/2012 **
7/8/2012 **
7/9/2012 2.22
7/10/2012 T
7/11/2012 0.00
7/12/2012 0.00
7/13/2012 **
7/14/2012 **
7/15/2012 **
7/16/2012 **
7/17/2012 **
7/18/2012 **
7/19/2012 **
7/20/2012 **
7/21/2012 **
7/22/2012 **
7/23/2012 0.07
7/24/2012 0.08
7/25/2012 0.06
7/26/2012 0.00
7/27/2012 T
7/28/2012 **
7/29/2012 T
7/30/2012 0.17
7/31/2012 0.00
8/1/2012 0.02
8/2/2012 0.05
8/3/2012 0.03
8/4/2012 **
8/5/2012 0.00
8/6/2012 0.00
8/7/2012 0.00
8/8/2012 0.00
8/9/2012 0.00
8/10/2012 0.00
8/11/2012 0.02
8/12/2012 **
8/13/2012 0.00
8/14/2012 0.00
8/15/2012 0.00
8/16/2012 **
8/17/2012 **
8/18/2012 **
8/19/2012 **
8/20/2012 0.00
8/21/2012 0.00
8/22/2012 **
8/23/2012 0.02
8/24/2012 0.00
8/25/2012 **
8/26/2012 0.00
8/27/2012 **
8/28/2012 **
8/29/2012 **
8/30/2012 **
8/31/2012 **
9/1/2012 0.05
9/2/2012 **
9/3/2012 0.05
9/4/2012 0.00
9/5/2012 0.00
9/6/2012
9/7/2012
9/8/2012
9/9/2012
9/10/2012 0.05
9/11/2012 0.00
9/12/2012 **
9/13/2012 **
9/14/2012 **
9/15/2012 **
9/16/2012 **
9/17/2012 1.14
9/18/2012 T
9/19/2012 0.00
9/20/2012 0.00
9/21/2012 0.00
9/22/2012 0.00 **
9/23/2012 **
9/24/2012 0.00
9/25/2012 T
9/26/2012 0.24
9/27/2012 0.28
9/28/2012 0.10
9/29/2012 0.00
9/30/2012 **



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2011 6:15 PM 0.00 0.0 M M M Mostly cloudy; 71°F.; slight West breeze.
10/2/2011 11:05 AM 0.00 0.0 M M M Partly cloudy; 69°F.; calm.
10/10/2011 3:20 PM 0.01 M M M M Partly cloudy (mostly clear); 59°F.; NE breeze.
10/11/2011 10:25 AM 0.00 0.0 M M M Partly cloudy; 62°F.; moderate NW wind.
10/12/2011 10:40 AM 0.00 0.0 M M M Clear (some clouds over the mountains to the West); 57°F.; ENE breeze.
10/13/2011 10:30 AM 0.00 0.0 M M M Clear; 53°F.; calm to slight West breeze.
10/14/2011 11:10 AM 0.00 0.0 M M M Mostly clear; 52°F.; slight NE breeze.
10/18/2011 2:00 PM 0.00 0.0 M M M Partly cloudy; 52°F.; North breeze.
10/19/2011 12:55 AM 0.00 0.0 M M M Clear; 48°F.; North breeze.
10/20/2011 10:00 AM 0.00 0.0 M M M Clear; 61°F.; moderately strong NW wind.
10/21/2011 12:15 AM 0.00 0.0 M M M Partly cloudy; 62°F.; slight NNE breeze.
10/24/2011 2:00 PM 0.00 0.0 M M M Partly cloudy; 67°F.; slight West breeze.
10/25/2011 1:45 PM 0.00 0.0 M M M Mostly cloudy; 56°F.; moderate NE wind.
10/26/2011 4:25 PM 1.03 M 0.70 8.0 M Cloudy (was slightly spitting snow earlier); 36°F.; almost calm, slight air movement from the NE (weather vane frozen by snow, so exact direction was a guess). The precipitation began as rain for about 5 hours before turning to heavy snow about 9 p.m. on 10/25/11.
10/27/2011 11:45 AM 0.01 M M 7.5 M Partly cloudy; 34°F.; North breeze.
10/28/2011 3:30 PM 0.00 0.0 M M M Clear; 43°F.; light NE breeze.
10/31/2011 1:55 PM 0.00 0.0 M M M Mostly clear; 59°F.; light NE breeze.
11/1/2011 2:45 PM 0.00 0.0 M M M Cloudy; 46°F.; NE breeze.
11/2/2011 2:50 PM 0.71 8.5 1.09 M M Partly cloudy; 34°F.; calm. **Core sample had 1.09" of moisture and may be more accurate than the guage, which had .71" of moisture. **Blowing snow could have been the reason the guage did not get the full amount that it should have. Before this storm, there was no old snow on the ground.
11/3/2011 1:10 PM 0.00 0.0 M 6.0 M Clear; 33°F.; slight NNE breeze.
11/8/2011 10:45 AM 0.00 0.0 M M M Partly cloudy; 38°F.; light NE breeze.
11/9/2011 12:20 PM 0.00 0.0 M M M Clear; 40°F.; NE breeze.
11/10/2011 5:00 PM 0.00 0.0 M M M Mostly clear; 44°F.; light West breeze.
11/11/2011 12:30 PM 0.00 0.0 M M M Partly cloudy; 61°F.; Moderate to strong West wind.
11/16/2011 10:10 AM 0.00 0.0 M M M Mostly clear (some clouds over mountains to the West); 30°F.; NE wind.
11/17/2011 3:20 PM 0.00 0.0 M M M Partly cloudy; 53°F.; East wind.
11/18/2011 3:30 PM 0.00 0.0 M M M Partly cloudy; 61°F.; West breeze.
11/22/2011 2:35 PM 0.00 0.0 M M M Partly cloudy; 52°F.; West wind. Snow/wind cloud over the Continental Devide to the West.
11/23/2011 2:40 PM 0.00 0.0 M M M Partly cloudy; 59°F.; light North breeze.
11/29/2011 2:15 PM 0.00 0.0 M M M Mostly clear; 48°F.; light NE breeze.
12/1/2011 3:50 PM 0.38 7.5 M 7.5 M Cloudy with light snow and sun showing through clouds; 29°F.; light East breeze.
12/2/2011 2:40 PM T 0.1 M 6.0 M Clear (few clouds over mountains to the West); 32°F.; East breeze. Slight amount of snow after yesterday's report, then clearing.
12/6/2011 2:40 PM 0.00 0.0 M 6.0 M Clear (a few clouds over the mountains to the West); 27°F; calm.
12/7/2011 9:35 AM 0.00 0.0 M M M Clear; 28°F.; calm.
12/8/2011 4:10 PM 0.00 0.0 M 5.5 M Clear (snow clouds over mountains to the West); 33°F.; light East breeze.
12/9/2011 2:30 PM 0.00 0.0 M M M Clear (but poor air quality: temperature inversion); 32°F.; slight NE breeze.
12/13/2011 1:15 PM 0.00 0.0 M M M Clear; 32°F.; calm. Poor air quality.
12/14/2011 2:00 PM 0.00 0.0 M 5.0 M Mostly clear; 42°F.; East breeze.
12/15/2011 2:00 PM 0.00 0.0 M M M Clear and calm.
12/16/2011 3:00 PM 0.00 0.0 M 3.0 M Clear except for a few high thin clouds; 37°F.; East breeze. Many bare spots where snow has melted completely. On north side of building it is still 5".
12/17/2011 5:30 PM 0.00 0.0 M M M Clear; 31°F.; calm.
12/18/2011 2:30 PM 0.00 0.0 M M M Partly cloudy; 44°F.; calm.
12/19/2011 3:30 PM 0.05 0.7 M 5.5 M Cloudy and light snow; 32°F.; slight NNE breeze.
12/20/2011 3:30 PM 0.01 0.2 M 5.5 M Clear; 36°F.; calm. Precip. is from yesterday's continuing snow.
12/21/2011 2:45 PM 0.00 0.0 M M M Partly to mostly cloudy; 36°F.; calm.
12/22/2011 4:50 PM 0.58 12.0 M 15.0 M Cloudy; 19°F.; calm. Snow started about 5 p.m. yesterday and ended this morning about 11:30 a.m.
12/28/2011 5:15 PM 0.00 0.0 M M M Partly cloudy; 48°F.; West breeze. The snow melted alot today, but still on the ground in varying amounts.
12/29/2011 3:55 PM 0.00 0.0 M M M Partly cloudy; 52°F.; strong West wind.
12/30/2011 6:00 PM 0.00 0.0 M M M Partly cloudy; 54°F.; South breeze. Most of snow on graound is melted except for some scattered patches.
1/2/2012 1:45 PM 0.00 0.0 M M M Mostly clear; 38°F.; very slight NE-NNE breeze.
1/3/2012 11:55 AM 0.00 0.0 M M M Mostly cloudy; 52°F.; NE breeze.
1/4/2012 4:40 PM 0.00 0.0 M M M Partly cloudy; 46°F.; calm.
1/5/2012 5:15 PM 0.00 0.0 M M M Partly cloudy; 56°F.; West breeze.
1/6/2012 2:00 PM 0.00 0.0 M M M Partly cloudy; 43°F.; NE breeze.
1/11/2012 2:40 PM 0.10 4.0 M M M Cloudy with very light snow (a few flakes coming down); 29°F.; calm.
1/17/2012 11:20 AM 0.04 0.7 M M M Clear (some clouds over the mountains to the west); 27°F.; South breeze.
1/18/2012 3:15 PM 0.00 0.0 M M M Partly cloudy; 47°F.; Strong, gusty West "Chinook" wind.
1/20/2012 11:35 AM 0.00 0.0 M M M Mostly clear (wind cloud over the moutains to the West); 55°F.; strong gusty West wind.
1/24/2012 2:50 PM 0.03 0.2 M M M Cloudy; 38°F.; SW breeze. New snow mostly melted.
1/25/2012 11:40 AM 0.00 0.0 M M M Partly cloudy; 45°F.; strong, gusty West wind.
1/26/2012 3:40 PM 0.00 0.0 M M M Partly cloudy; 56°F.; fairly strong West wind.
1/27/2012 3:10 PM 0.02 0.5 M M M Mostly cloudy; 36°F.; ENE breeze. New snow already melted.
1/31/2012 2:10 PM 0.00 0.0 M M M Partly cloudy (high, thin cirrus clouds); 48°F.; light NE breeze.
2/1/2012 3:30 PM 0.00 0.0 M M M Partly cloudy; 48° F.; slight South breeze.
2/2/2012 12:55 PM 0.00 0.0 M M M Partly cloudy; 43°F.; NE wind.
2/3/2012 3:10 PM 0.78 13.0 M 13.0 M Cloudy with very light snow; 34°F.; North breeze. Heavy snowstorm started last evening and continued until this morning
2/4/2012 6:00 PM 0.20 4.0 M 17.0 M Partly cloudy; 38°F.; light East breeze. Contunuing snow last evening (after reading was taken) ended early this morning.
2/7/2012 3:25 PM 0.11 2.5 M 15.5 M Cloudy & snowing slightly. 34°F.; Variable NE to E light breeze.
2/8/2012 12:45 PM T M M 14.0 M Partly cloudy; 31°F.; light West breeze.
2/9/2012 2:00 PM 0.00 0.0 M 12.0 M Partly cloudy; 44°F.; light NE breeze.
2/10/2012 2:00 PM 0.00 0.0 M 11.5 M Mostly cloudy; 37°F.; light NE breeze.
2/11/2012 3:30 PM 0.05 2.0 M 13.5 M Mostly cloudy; 25°F.; East breeze. New snow yesterday evening and early a.m. today.
2/14/2012 4:50 PM 0.00 0.0 M 10.0 M Partly cloudy; 41°F.; light NW breeze.
2/15/2012 4:15 PM 0.00 0.0 M 9.5 M Partly cloudy; 36°F; slight south breeze
2/16/2012 12:20 PM 0.00 0.0 M 9.5 M Mostly clear; 37°F.; NE breeze.
2/17/2012 3:25 PM 0.00 0.0 M 9.0 M Mostly cloudy; 43°F., SW breeze.
2/21/2012 3:40 PM 0.00 0.0 M 7.0 M Partly cloudy; 46°F.; fairly strong, gusty West "Chinook" wind. Snow depth taken on North side of building in shade. In open meadow, snow is only 2-3 inches deep and all melted around grassy tufts.
2/22/2012 11:30 AM 0.00 0.0 M 5.5 M Partly cloudy; 53°F.; gusty West "Chinook" wind. Snow is "patchy" in meadow, melted completely around grassy tufts. Reported measurement is on North side of building in the shade.
2/23/2012 5:25 PM 0.13 1.0 M 1.0 M Mostly cloudy; 34°F.; WNW breeze. Snow in very early a.m.
2/24/2012 2:35 PM 0.00 0.0 M M M Clear; 43°F.; Fairly strong gusty "Chinook" West wind. Clouds over the mountains to the West.
2/25/2012 1:50 PM 0.00 0.0 M 0.0 M partly cloudy; 56°F.; fairly strong, gusty SW wind.
2/28/2012 1:00 PM 0.00 0.0 M M M Cloudy; 42°F.; East to ENE breeze.
2/29/2012 11:40 AM 0.00 0.0 M M M Mostly clear; 51°F.; moderate WSW wind.
3/1/2012 2:00 PM 0.00 0.0 M M M Mostly cloudy; 40° F.; Moderate SE wind.
3/2/2012 3:30 PM T T M M M Mostly cloudy; 36°F.; moderate NW wind. Few snow flurries did not amount to anything measurable.
3/3/2012 6:00 PM T T M M M Partly cloudy; 41°F.; Moderate WSW wind. Snow flurries yesterday afternoon did not have measurable moisture.
3/4/2012 5:00 PM 0.00 0.0 M M M
3/5/2012 2:40 PM 0.00 0.0 M M M Mostly clear; 63°F.; moderate West wind.
3/6/2012 4:00 PM 0.00 0.0 M M M Mostly clear; 67°F.; SW wind.
3/7/2012 3:00 PM T M M M M Cloudy (low-hanging clouds); 38°F.; calm to very slight SE breeze. Freezing mist earlier this a.m. produced only a trace (T) amount of moisture.
3/8/2012 5:30 PM 0.00 0.0 M M M Clear; 43°F.; light East breeze.
3/9/2012 2:10 PM 0.00 0.0 M M M Clear; 53°F.; SE breeze.
3/13/2012 3:55 PM 0.00 0.0 M M M Partly cloudy; 68°F.; WNW breeze.
3/14/2012 3:15 PM 0.00 0.0 M M M Mostly clear; 66°F.; East breeze.
3/15/2012 3:40 PM 0.00 0.0 M M M Partly cloudy; 66°F.; East breeze.
3/16/2012 2:30 PM 0.00 0.0 M M M Pattly cloudy; 70°F.; West wind.
3/17/2012 3:15 PM 0.00 0.0 M M M Mostly cloudy; 70°F.; calm.
3/20/2012 11:30 AM 0.00 0.0 M M M Mostly clear; 42°F.; North breeze.
3/21/2012 3:05 PM 0.00 0.0 M M M Partly cloudy; 58°F.; North breeze.
3/22/2012 12:15 PM 0.00 0.0 M M M Partly cloudy; 58°F.; East breeze.
3/23/2012 5:25 PM 0.00 0.0 M M M Partly cloudy; 68°F.; East breeze.
3/24/2012 2:45 PM 0.00 0.0 M M M Partly cloudy (high cirrus clouds) but sunny; 68°F.; slight East breeze to calm.
3/25/2012 6:25 PM 0.00 0.0 M M M Cloudy; 64°F.; very slight North breeze.
3/26/2012 3:15 PM 0.00 0.0 M M M Partly cloudy; 75°F.; strong West wind.
3/27/2012 5:20 PM 0.00 0.0 M M M Mostly cloudy; 66°F.; East breeze.
3/28/2012 2:05 PM 0.00 0.0 M M M Partly cloudy; 68°F.; slight ENE breeze.
3/29/2012 3:25 PM 0.00 0.0 M M M Partly cloudy; 69°F.; West breeze.
3/30/2012 1:20 PM 0.00 0.0 M M M Clear, excpet for a few high cirrfus clouds; 70°F.; East breeze.
4/12/2012 6:00 PM 0.21 M M M M Partly cloudy; 62°F.; moderate West wind. Thunder shower last evening.
4/13/2012 6:00 PM 0.00 0.0 M M M Cloudy; 60°F.; East breeze.
4/14/2012 7:15 PM 0.03 M M M M Light rain; 47°F.; slight NNE breeze.
4/15/2012 6:00 PM 0.48 M M M M Mostly cloudy and spitting rain; 48°F.; North breeze. Showers last evening, one with some small hail, contined during the night as gentle to steady rain.
4/16/2012 12:10 PM 0.02 M M M M Partly cloudy; 56°F.; SW breeze.
4/24/2012 1:25 PM 0.00 0.0 M M M Partly cloudy; 82°F.; WNW wind.
4/25/2012 3:00 PM 0.00 0.0 M M M Cloudy; 78°F.; NNE breeze.
4/26/2012 11:30 AM 0.00 0.0 M M M Partly cloudy; 75°F.; East breeze.
4/27/2012 11:00 AM 0.02 M M M M Partly cloudy; 67°F.; NE breeze. Shower yesterday p.m.
4/30/2012 3:00 PM 0.00 0.0 M M M Mostly clear and windy; 74°F.; WNW wind.
5/15/2012 5:15 PM 0.00 0.0 M M M Clear (some clouds over the mountains to the West); 74°F.; light East breeze.
5/16/2012 3:40 PM 0.00 0.0 M M M Cloudy; 77°F.; NNE breeze.
5/17/2012 6:00 PM T 0.0 M M M Partly cloudy; 77°F.; East wind.
5/18/2012 3:20 PM 0.00 0.0 M M M Cloudy; 77°F.; NNE wind; changed to West wind about 3:45 p.m.
5/21/2012 2:30 PM 0.00 0.0 M M M Partly cloudy; 82°F.; East breeze.
5/22/2012 1:10 PM T M M M M Mostly cloudy; 84°F.; SE wind.
5/23/2012 2:55 PM 0.02 M M M M Cloudy with light rain; 70°F.; Slight West breeze.
5/24/2012 11:35 AM 0.52 M M M M Mostly clear and windy; 60°F.; strong West wind. Wind clouds over the Contenental Divide to the West. Rain from yesterday.
5/25/2012 3:00 PM 0.01 M M M M Partly cloudy; 68°F.; light North breeze.
5/27/2012 5:45 PM 0.00 0.0 M M M Partly cloudy; 67°F.; strong West wind.
5/31/2012 2:45 PM 0.00 0.0 M M M Partly cloudy; 71°F.; North breeze.
6/1/2012 3:30 PM 0.00 0.0 M M M Partly cloudy; 77°F.; East breeze.
6/2/2012 11:30 AM 0.00 0.0 M M M Partly cloudy; 77°F.; North breeze
6/5/2012 2:55 PM 0.00 0.0 M M M Partly to mostly cloudy and windy; 86°F.; SE wind.
6/6/2012 4:55 PM 0.00 0.0 M M M Mostly cloudy; 77°F.; West breeze.
6/7/2012 6:00 PM 0.05 M M M M Partly cloudy; 78°F.; very slight North breeze. Short shower last evening 7:30 - 7:35 p.m.
6/8/2012 4:30 PM T M M M M Paartly cloudy; 86°F.; East breeze.
6/12/2012 5:00 PM 0.00 0.0 M M M Cloudy; 80°F.; NE breeze.
6/13/2012 5:15 PM 0.00 0.0 M M M Partly cloudy; 87°F.; SE breeze.
6/15/2012 2:30 PM 0.01 M M M M Cloudy; 80°F.; SE breeze.
6/18/2012 1:15 PM 0.00 0.0 M M M Clear; 94°F.; NE to N variable breeze.
6/19/2012 1:15 PM 0.00 0.0 M M M Clear; 92°F.; East wind.
6/20/2012 3:30 PM 0.00 0.0 M M M Mostly cloudy; 74° F.; slight NE breeze.
6/21/2012 1:30 PM 0.00 0.0 M M M Clear; 82°F.; Variable NE to E breeze.
6/26/2012 1:55 PM 0.02 M M M M Mostly cloudy with a few spits of raindrops; 90°F.; East breeze. Very short shower about 1:20 p.m.
6/27/2012 7:05 PM 0.02 M M M M Partly cloudy; 77°F.; calm. Very light showers this afternoon.
6/28/2012 3:30 PM 0.02 M M M M Mostly cloudy; 76°F.; South breeze. Thunderstorm activity in the area.
7/10/2012 4:15 PM T M M M M Partly cloudy; 81°F.; West breeze.
7/11/2012 5:15 PM 0.00 0.0 M M M Partly cloudy; 84°F.; light SW breeze.
7/12/2012 3:45 PM 0.00 0.0 M M M Partly cloudy; 87°F.; NE breeze.
7/24/2012 1:00 PM 0.08 M M M M Partly cloudy; 89°F.; NE breeze. Shower yesterday afternoon.
7/25/2012 2:55 PM 0.06 M M M M Partly cloudy; 86°F.; NE wind. Shower last night.
7/26/2012 3:30 PM 0.00 0.0 M M M Partly cloudy; 84°F.; West breeze.
7/27/2012 3:30 PM T M M M M Mostly cloudy; 82°F.; SSW breeze.
7/30/2012 5:15 PM 0.17 M M M M Partly cloudy (thunderstorms earlier in afternoon); 74°F.; NW breeze.
7/31/2012 3:40 AM 0.00 0.0 M M M Partly cloudy; 87°F.; East breeze.
8/1/2012 4:50 PM 0.02 M M M M Cloudy; 77°F.; West wind. Shower earlier in afternoon. Thunderstorms to the West.
8/2/2012 5:25 PM 0.05 M M M M Mostly cloudy; 78°F.; East breeze.
8/3/2012 3:30 PM 0.03 M M M M Partly cloudy; 91°F.; WNW wind.
8/6/2012 1:00 PM 0.00 0.0 M M M Mostly cloudy; 91°F.; Esst breeze.
8/7/2012 4:00 PM 0.00 0.0 M M M Partly to mostly cloudy; 86°F.; light NW breeze.
8/8/2012 12:30 PM 0.00 0.0 M M M Clear; 84°F.; North breeze.
8/9/2012 3:40 PM 0.00 0.0 M M M Mostly cloudy; 83°F.; slight North breeze.
8/10/2012 3:20 PM 0.00 0.0 M M M Partly cloudy; 89°F.; North breeze.
8/11/2012 8:05 PM 0.02 M M M M Partly cloudy; 69°F.; slight NNW breeze. Light shower earlier this evening.
8/14/2012 6:00 PM 0.00 0.0 M M M Partly cloudy; 84°F.; NW breeze.
8/15/2012 3:05 PM 0.00 0.0 M M M Partly cloudy and hazey; 89°F.; East breeze.
8/21/2012 2:50 PM 0.00 0.0 M M M Mostly clear; 82°F.; light NE breeze.
8/24/2012 3:00 PM 0.00 0.0 M M M Moatly cloudy; 84°F.; light South breeze.
9/4/2012 12:50 PM 0.00 0.0 M M M Partly cloudy; 86°F.; NW wind.
9/5/2012 1:30 PM 0.00 0.0 M M M Clear; 75°F.; East breeze.
9/10/2012 3:50 PM 0.05 M M M M Mostly cloudy; 83°F.; East breeze. Note: Observer was away from 9/6 to 9/10. There was apparently some precipitation on Saturday, 9/8.
9/11/2012 11:00 AM 0.00 0.0 M M M Partly cloudy; 80°F.; ENE breeze.
9/18/2012 10:50 AM T M M M M Clear; 66°F.; East breeze.
9/19/2012 3:55 PM 0.00 0.0 M M M Partly cloudy; 74°F.; East breeze. A lot of smoke in the air causing haze, apparently coming from Pacific Northwest.
9/20/2012 2:30 PM 0.00 0.0 M M M Partly cloudy; 74°F.; North breeze.
9/21/2012 2:55 PM 0.00 0.0 M M M Partly cloudy (and smoke haze in the air); 72°F.; NE breeze.
9/22/2012 7:00 AM 0.00 0.0 M M M
9/25/2012 3:20 PM T 0.0 M M M Cloudy, spitting rain; 70°F.; calm.
9/26/2012 10:35 AM 0.24 M M M M Mostly cloudy; 61°F.; very slight NE breeze. Gentle rain last evening and early this morning.
9/27/2012 10:40 AM 0.28 M M M M Mostly cloudy; 58°F.; NE breeze. Showers yesterday afternoon (with 1/4" hail for about a minute) and rain during the night and early morning.
9/28/2012 10:10 AM 0.10 M M M M Mostly clear; 54°F.; slight North breeze. Shower late yesterday afternoon.
9/29/2012 9:30 PM 0.00 0.0 M M M Partly cloudy; 60°F.; slight East breeze.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/3/2011 10/07/2011 10:00 AM 5 0.00 M M Clear; 53°F.; fairly strong SSW wind.
10/8/2011 10/09/2011 6:35 PM 2 0.25 M M Cloudy (spitting slight rain); 50°F.; very slight East breeze (almost calm). Precipitation from yesterday.
10/15/2011 10/17/2011 3:00 PM 3 T M M
10/22/2011 10/23/2011 1:00 PM 2 0.00 M M Clear; 63°F.; East breeze.
10/29/2011 10/30/2011 3:00 PM 2 0.00 M M
11/4/2011 11/07/2011 3:30 PM 4 0.00 M M Mostly cloudy; 41°F,; NE breeze.
11/12/2011 11/15/2011 3:45 PM 4 0.00 M M Partly cloudy (wind cloud over the Contental Divide to the West); 48°F.; moderate WSW wind.
11/24/2011 11/26/2011 4:20 PM 3 T M M Clear; 36°F.; slight South breeze. Very slight shower yesterday evening.
11/27/2011 11/28/2011 2:00 PM 2 0.00 M M Mostly cloudy; 58°F.; NE breeze.
12/3/2011 12/05/2011 1:45 PM 3 0.19 7.5 M Mostly cloudy; 17°F.; slight East breeze. Additional snow over the previous weekend was about 2".
12/10/2011 12/12/2011 4:15 PM 3 0.00 5.0 M Mostly cloudy; 34°F.; calm.
12/23/2011 12/24/2011 3:30 PM 2 0.00 M M Partly cloudy; 38°F.; calm.
12/25/2011 12/27/2011 3:10 PM 3 0.00 4.0 M Mostly clear; 49°F.; moderate NW wind. Old snow depth varies from 4" to 13" (deeper in shade on north side of building).
12/31/2011 1/01/2012 6:00 PM 2 0.00 M M Clear; 28°F.; light SE breeze.
1/7/2012 1/10/2012 3:00 PM 4 0.06 0.0 M Clear; 50°F; light SE breeze. New snow (about 3/4") on Saturday, Jan. 7, when observer was not here, is all melted now except on north side of building.
1/12/2012 1/13/2012 3:00 PM 2 0.01 0.0 M Mostly clear; 45°F.; strong, gusty West ("Chinook") wind.
1/14/2012 1/16/2012 2:40 PM 3 T M M Mostly cloudy; 35°F.; light NE breeze.
1/21/2012 1/23/2012 12:05 PM 3 0.00 M M Partly cloudy; 44°F.; North breeze.
1/28/2012 1/30/2012 2:30 PM 3 0.00 M M Partly cloudy; 60°F.; fairly strong West ("Chinook") wind.
2/5/2012 2/06/2012 1:30 PM 2 0.00 14.0 M Mostly cloudy (high cirrus clouds); 40°F.; slight West breeze.
2/12/2012 2/13/2012 3:15 PM 2 0.00 10.5 M Partly cloudy; 40°F.; East breeze.
2/18/2012 2/20/2012 4:20 PM 3 0.01 8.5 M Partly cloudy; 37°F.; fairly strong, gusty West wind. Snow is less deep in meadow area. Measurement above taken on north side of building in shade. Very slight snow flurry last evening is all melted by now.
2/26/2012 2/27/2012 4:00 PM 2 0.00 0.0 M Partly cloudy; 42°F.; slight North breeze.
3/10/2012 3/12/2012 1:40 PM 3 0.00 M M Partly cloudy; 63°F.; NW wind.
3/18/2012 3/19/2012 3:10 PM 2 T M M Mostly cloudy; 50°F.; SSW breeze.
3/31/2012 4/09/2012 11:55 AM 10 0.40 M M Clear; 56°F.; North breeze. Observer was away for nine days. Precipitation in the form of snow, sleet, and rain occurred from about 11:00 p.m. on 4/2/12 to about 6:00 p.m. on 4/3/12.
4/10/2012 4/11/2012 5:00 PM 2 0.00 M M Mostly cloudy; 64°F.; North breeze.
4/17/2012 4/21/2012 3:00 PM 5 0.00 M M Partly cloudy; 70°F.; East breeze. Observer was away from 4/17-4/20.
4/22/2012 4/23/2012 2:15 PM 2 0.00 M M Partly cloudy; 76°F.; East breeze.
4/28/2012 4/29/2012 3:00 PM 2 0.00 M M
5/1/2012 5/02/2012 12:00 AM 2 0.00 M M Mostly cloudy; 74°F.; NE breeze.
5/3/2012 5/08/2012 5:00 PM 6 0.73 M M Rain on 5/7/12. Observer away.
5/9/2012 5/12/2012 3:45 PM 4 0.16 M M Cloudy witn light intermittent rain. 50°F.; NE breeze. Observer was away from May 3 to May 12.
5/13/2012 5/14/2012 1:20 PM 2 0.04 M M Clear; 70°F.; light North breeze. Precipitation was on Saturday p.m.
5/19/2012 5/20/2012 6:55 PM 2 0.12 M M Mostly cloudy; 67°F.; slight East breeze. Rain was yesterday.
5/28/2012 5/30/2012 2:20 PM 3 0.00 M M Partly cloudy; 84°F.; moderately strong West wind.
6/3/2012 6/04/2012 3:45 PM 2 0.02 M M Partly cloudy; 88°F.; East breeze. Shower yesterday.
6/9/2012 6/11/2012 4:40 PM 3 0.00 M M Partly cloudy; 76°F.; light NE breeze.
6/16/2012 6/17/2012 3:50 PM 2 0.00 M M Partly cloudy; 94°F.; Moderate to strong West wind.
6/22/2012 6/25/2012 2:45 PM 4 T M M Partly cloudy; 99°F.; East breeze.
6/29/2012 7/05/2012 4:20 PM 7 0.10 M M Cloudy; thunderstorm activity in area; 86°F.; NW breeze. Observer away for a week, so precipitation is what was in the rain guage today: may have evaporated a lot.
7/6/2012 7/09/2012 4:05 PM 4 2.22 M M Partly cloudy; 76°F.; NNW breeze. Observer was away over the weekend when most of the heavy rain occurred. There was a heavy rain in the early a.m. this morning and a brief shower about 9:30 a.m.
7/13/2012 7/23/2012 4:15 PM 11 0.07 M M Mostly cloudy; 89°F.; West wind. Thunder storms over the mountains to the West. Note: observer has been away for 11 days. Precipitation is total for that period.
7/28/2012 7/29/2012 5:45 PM 2 T M M Cloudy; 77°F.; slight NW breeze.
8/4/2012 8/05/2012 8:45 PM 2 0.00 M M Partly cloudy; 76°F.; calm.
8/12/2012 8/13/2012 2:30 PM 2 0.00 M M Cloudy; 81°F.; South wind.
8/16/2012 8/20/2012 1:30 PM 5 0.00 M M Cloudy; 77°F.; calm. Note: Observer has been away from August 16-19.
8/22/2012 8/23/2012 5:35 PM 2 0.02 M M Partly cloudy; 78°F.; light SW breeze. Light shower yesterday afternoon.
8/25/2012 8/26/2012 6:10 PM 2 0.00 M M Partly cloudy; 83°F.; light North breeze.
8/27/2012 9/01/2012 4:55 PM 6 0.05 M M Mostly cloudy; 79°F.; East breeze. Note: observer away for five days.
9/2/2012 9/03/2012 12:35 PM 2 0.05 M M Partly cloudy; 83°F.; West breeze.
9/12/2012 9/17/2012 1:15 PM 6 1.14 M M Mostly cloudy; 64°F.; North breeze. Note: observer was away from 9/12 to 9/16. Heavy precipitation occurred most of Wednesday, 9/12.
9/22/2012 9/24/2012 2:10 PM 3 0.00 M M Mostly cloudy 74
9/23/2012 9/24/2012 2:15 PM 2 0.00 M M Mostly cloudy; 74°F.; calm.
9/30/2012 10/01/2012 3:30 PM 2 T M M Partly cloudy; 65°F.; light North 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