Station Overview Station Location
Station Number CO-LP-21 Latitude 37.2648
Station Name Durango 5.4 W Longitude -107.9832
County La Plata Elevation (ft) 7444



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 1.93 2.24 30 2.24 30 0.00 0 0 12 2 0.0 0 0
Nov 10 2.26 1.15 27 1.15 27 0.00 0 0 10 3 16.2 9 8
Dec 10 2.06 5.08 31 5.08 31 0.00 0 0 15 0 40.5 13 21
Jan 11 2.04 0.08 29 0.08 29 0.00 0 0 3 5 0.6 2 29
Feb 11 1.89 0.72 27 0.72 27 0.00 0 0 9 4 7.6 9 27
March 11 2.55 1.02 29 1.02 29 0.00 0 0 5 4 10.6 5 13
April 11 1.54 1.50 27 1.50 27 0.00 0 0 8 4 1.1 3 1
May 11 1.37 2.04 25 2.04 25 0.00 0 0 8 3 5.7 4 2
June 11 1.00 0.00 25 0.00 25 0.00 0 0 0 2 0.0 0 0
July 11 2.49 4.13 27 4.13 27 0.00 0 0 12 2 0.0 0 0
Aug 11 2.73 1.26 29 1.26 29 0.00 0 0 12 6 0.0 0 0
Sept 11 2.64 1.46 27 1.46 27 0.00 0 0 14 4 0.0 0 0
Water Year Totals: 24.50" 20.68" 333 days 20.68" 333 0.00" 0 days 0 108 days 39 days 82.3" 45 days 101 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 0.00
10/3/2010 0.00
10/4/2010 0.03
10/5/2010 0.03
10/6/2010 0.07
10/7/2010 0.14
10/8/2010 0.16
10/9/2010 0.00
10/10/2010 0.00
10/11/2010 0.00
10/12/2010 0.00
10/13/2010 0.01
10/14/2010 0.00
10/15/2010 0.00
10/16/2010 0.00
10/17/2010 0.00
10/18/2010 T
10/19/2010 0.05
10/20/2010 0.00
10/21/2010 0.67
10/22/2010 0.37
10/23/2010 0.53
10/24/2010 0.06
10/25/2010 T
10/26/2010 0.12
10/27/2010 0.00
10/28/2010 0.00
10/29/2010 0.00
10/30/2010
10/31/2010 0.00
11/1/2010 0.00
11/2/2010 0.00
11/3/2010 0.00
11/4/2010
11/5/2010 0.00
11/6/2010 0.00
11/7/2010 0.00
11/8/2010 0.00
11/9/2010 0.01
11/10/2010 0.01
11/11/2010 0.16
11/12/2010 0.02
11/13/2010 0.00
11/14/2010 0.00
11/15/2010 T
11/16/2010 0.01
11/17/2010 T
11/18/2010 0.00
11/19/2010 0.00
11/20/2010 0.00
11/21/2010 0.07
11/22/2010 0.35
11/23/2010 T
11/24/2010 0.02
11/25/2010 0.05
11/26/2010
11/27/2010
11/28/2010 0.00
11/29/2010 0.45
11/30/2010 0.00
12/1/2010 0.00
12/2/2010 0.00
12/3/2010 0.00
12/4/2010 0.00
12/5/2010 0.00
12/6/2010 0.00
12/7/2010 0.01
12/8/2010 0.00
12/9/2010 0.00
12/10/2010 0.01
12/11/2010 0.00
12/12/2010 0.00
12/13/2010 0.00
12/14/2010 0.00
12/15/2010 0.00
12/16/2010 0.38
12/17/2010 0.06
12/18/2010 0.29
12/19/2010 0.64
12/20/2010 0.41
12/21/2010 0.09
12/22/2010 0.73
12/23/2010 0.49
12/24/2010 0.35
12/25/2010 0.00
12/26/2010 0.00
12/27/2010 0.01
12/28/2010 0.00
12/29/2010 0.09
12/30/2010 1.18
12/31/2010 0.34
Day of YearDaily PrcpMultiday Prcp
1/1/2011 T
1/2/2011 0.00
1/3/2011 0.00
1/4/2011 T
1/5/2011 T
1/6/2011 0.00
1/7/2011 0.00
1/8/2011 0.00
1/9/2011 0.01
1/10/2011 0.05
1/11/2011
1/12/2011 0.00
1/13/2011 0.00
1/14/2011 0.00
1/15/2011 0.00
1/16/2011 0.00
1/17/2011 0.00
1/18/2011 0.02
1/19/2011 0.00
1/20/2011 0.00
1/21/2011 0.00
1/22/2011 T
1/23/2011 0.00
1/24/2011 0.00
1/25/2011 0.00
1/26/2011
1/27/2011 0.00
1/28/2011 0.00
1/29/2011 0.00
1/30/2011 0.00
1/31/2011 T
2/1/2011 0.06
2/2/2011 0.15
2/3/2011 0.02
2/4/2011 0.00
2/5/2011 0.00
2/6/2011 0.00
2/7/2011 0.00
2/8/2011 0.14
2/9/2011 T
2/10/2011 0.00
2/11/2011 0.00
2/12/2011 0.00
2/13/2011
2/14/2011 0.00
2/15/2011 0.00
2/16/2011 0.00
2/17/2011 T
2/18/2011 0.00
2/19/2011 T
2/20/2011 0.27
2/21/2011 0.05
2/22/2011 0.00
2/23/2011 0.00
2/24/2011 0.01
2/25/2011 T
2/26/2011 0.01
2/27/2011 0.00
2/28/2011 0.01
3/1/2011 0.00
3/2/2011 0.00
3/3/2011 T
3/4/2011 0.00
3/5/2011 T
3/6/2011 0.00
3/7/2011 0.03
3/8/2011 0.73
3/9/2011 0.00
3/10/2011 0.00
3/11/2011 0.00
3/12/2011 0.00
3/13/2011 0.00
3/14/2011 0.00
3/15/2011 0.00
3/16/2011 0.00
3/17/2011 0.00
3/18/2011 T
3/19/2011 0.00
3/20/2011 0.00
3/21/2011
3/22/2011 0.04
3/23/2011 0.03
3/24/2011 0.00
3/25/2011
3/26/2011 T
3/27/2011 0.19
3/28/2011 0.00
3/29/2011 0.00
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 0.00
4/4/2011 T
4/5/2011 0.00
4/6/2011 0.00
4/7/2011 0.20
4/8/2011 0.12
4/9/2011 0.00
4/10/2011 0.07
4/11/2011 0.00
4/12/2011
4/13/2011 0.00
4/14/2011 T
4/15/2011 T
4/16/2011 0.00
4/17/2011 0.00
4/18/2011 0.00
4/19/2011 0.15
4/20/2011 T
4/21/2011 0.00
4/22/2011
4/23/2011 0.00
4/24/2011 0.28
4/25/2011 0.65
4/26/2011 0.01
4/27/2011 0.02
4/28/2011 0.00
4/29/2011 0.00
4/30/2011 0.00
5/1/2011 0.00
5/2/2011
5/3/2011
5/4/2011
5/5/2011
5/6/2011 0.00
5/7/2011 0.00
5/8/2011 0.00
5/9/2011 0.00
5/10/2011 0.13
5/11/2011 0.05
5/12/2011 0.09
5/13/2011
5/14/2011 0.00
5/15/2011 0.00
5/16/2011 0.00
5/17/2011 T
5/18/2011 T
5/19/2011 0.99
5/20/2011 0.53
5/21/2011 0.17
5/22/2011 0.00
5/23/2011 0.04
5/24/2011 T
5/25/2011 0.04
5/26/2011 0.00
5/27/2011 0.00
5/28/2011 0.00
5/29/2011 0.00
5/30/2011 0.00
5/31/2011
6/1/2011
6/2/2011 0.00
6/3/2011 0.00
6/4/2011 0.00
6/5/2011
6/6/2011 0.00
6/7/2011 0.00
6/8/2011
6/9/2011 0.00
6/10/2011 0.00
6/11/2011 0.00
6/12/2011 0.00
6/13/2011
6/14/2011 0.00
6/15/2011 0.00
6/16/2011 0.00
6/17/2011
6/18/2011 0.00
6/19/2011 0.00
6/20/2011 0.00
6/21/2011 0.00
6/22/2011 0.00
6/23/2011 0.00
6/24/2011 0.00
6/25/2011 0.00
6/26/2011 0.00
6/27/2011 0.00
6/28/2011 0.00
6/29/2011 T
6/30/2011 T
Day of YearDaily PrcpMultiday Prcp
7/1/2011 T
7/2/2011
7/3/2011 0.00
7/4/2011 0.02
7/5/2011 0.00
7/6/2011 0.07
7/7/2011 0.00
7/8/2011 0.00
7/9/2011 0.13
7/10/2011 0.07
7/11/2011
7/12/2011 0.69
7/13/2011 1.41
7/14/2011 0.00
7/15/2011 0.00
7/16/2011 0.00
7/17/2011 0.00
7/18/2011 0.01
7/19/2011 0.53
7/20/2011 0.00
7/21/2011 0.00
7/22/2011
7/23/2011 0.00
7/24/2011 0.00
7/25/2011 T
7/26/2011 0.02
7/27/2011 0.84
7/28/2011
7/29/2011 0.00
7/30/2011 0.05
7/31/2011 0.29
8/1/2011 0.06
8/2/2011 0.03
8/3/2011 0.06
8/4/2011 0.48
8/5/2011 0.02
8/6/2011 T
8/7/2011 0.00
8/8/2011 0.00
8/9/2011 0.00
8/10/2011 0.00
8/11/2011 0.00
8/12/2011 0.00
8/13/2011 0.00
8/14/2011 0.00
8/15/2011 0.01
8/16/2011 0.00
8/17/2011 T
8/18/2011 0.00
8/19/2011 0.08
8/20/2011 T
8/21/2011 0.04
8/22/2011 T
8/23/2011 0.00
8/24/2011
8/25/2011 0.16
8/26/2011
8/27/2011 0.10
8/28/2011 0.14
8/29/2011 0.08
8/30/2011 T
8/31/2011 T
9/1/2011 0.03
9/2/2011 0.01
9/3/2011 0.02
9/4/2011 T
9/5/2011 0.02
9/6/2011 0.03
9/7/2011 0.15
9/8/2011 T
9/9/2011 0.00
9/10/2011 0.02
9/11/2011 0.01
9/12/2011 0.06
9/13/2011 T
9/14/2011 0.01
9/15/2011 0.72
9/16/2011 0.16
9/17/2011 0.16
9/18/2011 0.06
9/19/2011 0.00
9/20/2011 0.00
9/21/2011 T
9/22/2011
9/23/2011 0.00
9/24/2011 0.00
9/25/2011
9/26/2011
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 7:00 AM 0.00 0.0 M M M Sept. precip was 1.49. Average Sept precip is 2.34. Water year data. 12 month precip ending with Sept. 2010 was 23.72. Average is 23.45. Heavy precip in the form of snow occurred in Dec. to Feb. with above average rain in Aug. Other months were below average. The above average months had locally heavy precip that was limited to areas near station.
10/2/2010 7:00 AM 0.00 0.0 M M M Light afternoon showers to east of station but no precip at station.
10/3/2010 7:00 AM 0.00 0.0 M M M
10/4/2010 7:00 AM 0.03 M M M M
10/5/2010 7:00 AM 0.03 M M M M Light dusting of new snow above 12,000 feet on La Plata Mtns.
10/6/2010 7:00 AM 0.07 M M M M
10/7/2010 7:00 AM 0.14 M M M M Hail report sent yesterday afternoon.
10/8/2010 7:00 AM 0.16 M M M M 2 brief hail showers. Hail report sent for 1st hail. (I was away from station for the other.)
10/9/2010 7:00 AM 0.00 0.0 M M M Widespread frost. No snow on south facing slopes of La Plata Mtns.
10/10/2010 7:00 AM 0.00 0.0 M M M
10/11/2010 7:00 AM 0.00 0.0 M M M
10/12/2010 7:00 AM 0.00 0.0 M M M
10/13/2010 7:00 AM 0.01 M M M M Light late adternoon showers.
10/14/2010 7:00 AM 0.00 0.0 M M M
10/15/2010 7:00 AM 0.00 0.0 M M M
10/16/2010 7:00 AM 0.00 0.0 M M M
10/17/2010 7:00 AM 0.00 0.0 M M M
10/18/2010 7:00 AM T M M M M Light showers began before 7 AM. Light dusting of new snow on La Plata Mtns.
10/19/2010 7:00 AM 0.05 M M M M
10/20/2010 7:00 AM 0.00 0.0 M M M
10/21/2010 7:00 AM 0.67 M M M M Solid snow cover on La Plata Mtns.
10/22/2010 7:00 AM 0.37 M M M M No snow but didn't miss by much. Temperature was in the upper 30s last evening during heavier precip.
10/23/2010 7:00 AM 0.53 M M M M s day total rainfall has been 1.57.
10/24/2010 7:00 AM 0.06 T M 0.0 M
10/25/2010 7:00 AM T M M M M Light rain shower sometime before 7 AM.
10/26/2010 7:00 AM 0.12 T M 0.0 M
10/27/2010 7:00 AM 0.00 0.0 M M M
10/28/2010 7:00 AM 0.00 0.0 M M M
10/29/2010 7:00 AM 0.00 0.0 M M M
10/31/2010 7:00 AM 0.00 0.0 M M M
11/1/2010 7:00 AM 0.00 0.0 M M M
11/2/2010 7:00 AM 0.00 0.0 M M M
11/3/2010 7:00 AM 0.00 0.0 M M M
11/5/2010 7:00 AM 0.00 0.0 M M M
11/6/2010 7:00 AM 0.00 0.0 M M M
11/7/2010 7:00 AM 0.00 0.0 M M M
11/8/2010 7:00 AM 0.00 0.0 M M M
11/9/2010 7:00 AM 0.01 T M T M Light dusting of new snow on grassy areas. New snow on La Plata Mtns. is only an inch or less.
11/10/2010 7:00 AM 0.01 0.1 M T M Estimated 1 to 2 inches of new snow in last 2 days on La Plata Mtns.
11/11/2010 7:00 AM 0.16 2.4 M 2.0 M 2.4 inches of fluff for the first significant snow of the season.
11/12/2010 7:00 AM 0.02 0.2 M T M
11/13/2010 7:00 AM 0.00 0.0 M T M
11/14/2010 7:00 AM 0.00 0.0 M T M
11/15/2010 7:00 AM T T M T M Light overnight snow flurry. La Plata Mtns. obscured by snow.
11/16/2010 7:00 AM 0.01 0.2 M T M
11/17/2010 7:00 AM T T M T M Light snow fluury just before 6 PM.
11/18/2010 7:00 AM 0.00 0.0 M T M
11/19/2010 7:00 AM 0.00 0.0 M T M
11/20/2010 7:00 AM 0.00 0.0 M T M
11/21/2010 7:30 AM 0.07 0.6 M 0.5 M Light snow continues with the temperature at 30. Snow is melting on road surfaces.
11/22/2010 7:00 AM 0.35 2.9 M 1.5 M Precip was all snow, but mostly melted on contact until after 4 PM.
11/23/2010 7:00 AM T T M 1.0 M
11/24/2010 7:30 AM 0.02 0.4 M 0.5 M Very low density, fluffy snow.
11/25/2010 7:00 AM 0.05 0.6 M 0.5 M
11/28/2010 7:00 AM 0.00 0.0 M T M
11/29/2010 7:00 AM 0.45 8.8 M 9.0 M 8.8 inches of low density, fluffy snow is typical of local upslope effect. 2.4 inches fell before 4 PM (interim measurement) with 6.4 inches from 4 PM to about midnight.
11/30/2010 7:00 AM 0.00 0.0 M 7.0 M Nov. precip was 1.15. Average Nov. precip is 1.80. Nov. snowfall was 16.2. Average Nov. snowfall is 12.5. YTD precip is 21.47. Average YTD precip is 21.25. YTD snowfall is 119.8. Average YTD snowfall is 90.1.
12/1/2010 7:00 AM 0.00 0.0 M 6.0 M
12/2/2010 7:00 AM 0.00 0.0 M 5.0 M
12/3/2010 7:00 AM 0.00 0.0 M 4.0 M
12/4/2010 7:00 AM 0.00 0.0 M 3.0 M
12/5/2010 7:00 AM 0.00 0.0 M 1.0 M
12/6/2010 7:00 AM 0.00 0.0 M T M
12/7/2010 7:00 AM 0.01 0.0 M T M Precip was light rain showers with no snow.
12/8/2010 7:00 AM 0.00 0.0 M T M
12/9/2010 7:00 AM 0.00 0.0 M T M
12/10/2010 7:00 AM 0.01 0.0 M T M Precip was light rain about 9 to 10 PM last night. Temperature at observation time was 26 with thick fog. Light rime icing on some surfaces.
12/11/2010 7:00 AM 0.00 0.0 M T M Temperature at sunrise was 35 degrees - very unusual to stay above freezing at night at this time of year.
12/12/2010 7:00 AM 0.00 0.0 M T M
12/13/2010 7:00 AM 0.00 0.0 M T M
12/14/2010 7:00 AM 0.00 0.0 M T M
12/15/2010 7:00 AM 0.00 0.0 M T M
12/16/2010 7:30 AM 0.38 4.4 M 4.5 M Light snow continues at 7:30 AM observation time.
12/17/2010 7:00 AM 0.06 0.6 M 3.5 M 0.5 snow and .05 of melted fell yesterday morning. 0.1 snow and .01 melted fell last night. Precip was all snow. (Durango airport at lower elevation had some rain mixed in.)
12/18/2010 7:05 AM 0.29 3.9 M 7.5 M
12/19/2010 7:00 AM 0.64 5.3 M 10.5 M Light very wet snow falling at observation time.
12/20/2010 7:00 AM 0.41 0.5 M 8.0 M Temperature at observation time was 35. Did not get down to 32 last night.
12/21/2010 7:00 AM 0.09 0.2 M 7.5 M
12/22/2010 7:30 AM 0.73 2.9 M 8.5 M
12/23/2010 7:25 AM 0.49 1.0 M 8.5 M Moderate snow at observation time.
12/24/2010 7:00 AM 0.35 2.4 M 9.0 M Most of the snow and precip fell in the two hours after yesterday's report.
12/25/2010 7:00 AM 0.00 0.0 M 8.5 M
12/26/2010 7:00 AM 0.00 0.0 M 8.5 M
12/27/2010 7:00 AM 0.01 0.1 M 8.5 M
12/28/2010 7:00 AM 0.00 0.0 M 8.0 M
12/29/2010 7:25 AM 0.09 0.8 M 8.5 M New snow is dry, very small flakes. Old snow has a high water content and is frozen solid.
12/30/2010 7:00 AM 1.18 14.8 M 23.0 M Observations as of 7:00 AM. Light to moderate snow continues. Storm totals (so far): Snow 15.6. Melted 1.27.
12/31/2010 7:00 AM 0.34 3.6 M 24.0 M Storm total, snow 19.2 liquid 1.61. Dec. snow 40.5 avg. 20.7. Dec. liquid 5.08 avg. 2.39. 2010 snow 160.3 avg. 110.8. 2010 liquid 26.55 avg. 23.63. None of the above were records.
1/1/2011 7:00 AM T T M 22.0 M 7 AM temperature at station (7,420 feet) is -13. Durango airport (6,686 feet) at 7 AM is -26. Downtown Durango (6,500 – 6,550 feet) should be about the same as the airport.
1/2/2011 7:00 AM 0.00 0.0 M 22.0 M 7 AM temp. at station (7,420 feet) was -7. 7 AM temp. at Durango airport (6686 feet) was -19. Valley locations within 1/2 mile of airport are 200 feet lower and may be even colder.
1/3/2011 7:00 AM 0.00 0.0 M 21.0 M
1/4/2011 7:00 AM T T M 21.0 M
1/5/2011 7:00 AM T T M 20.0 M A few snow flurries yesterday afternoon.
1/6/2011 7:00 AM 0.00 0.0 M 19.0 M
1/7/2011 7:00 AM 0.00 0.0 M 19.0 M
1/8/2011 7:00 AM 0.00 0.0 M 18.0 M
1/9/2011 7:00 AM 0.01 0.1 M 17.0 M Overnight light dusting of snow.
1/10/2011 7:00 AM 0.05 0.5 M 17.0 M
1/12/2011 7:00 AM 0.00 0.0 M 17.0 M
1/13/2011 7:00 AM 0.00 0.0 M 16.0 M
1/14/2011 7:00 AM 0.00 0.0 M 16.0 M
1/15/2011 7:00 AM 0.00 0.0 M 16.0 M
1/16/2011 7:00 AM 0.00 0.0 M 15.0 M
1/17/2011 7:00 AM 0.00 0.0 M 15.0 M
1/18/2011 7:00 AM 0.02 T M 13.0 M Light precip was mostly rain.
1/19/2011 7:00 AM 0.00 0.0 M 11.0 M
1/20/2011 7:00 AM 0.00 0.0 M 10.0 M
1/21/2011 7:00 AM 0.00 0.0 M 10.0 M
1/22/2011 7:00 AM T T M 9.0 M
1/23/2011 7:00 AM 0.00 0.0 M 9.0 M
1/24/2011 7:00 AM 0.00 0.0 M 9.0 M
1/25/2011 7:00 AM 0.00 0.0 M 9.0 M
1/27/2011 7:00 AM 0.00 0.0 M 9.0 M
1/28/2011 7:00 AM 0.00 0.0 M 9.0 M
1/29/2011 7:00 AM 0.00 0.0 M 8.0 M
1/30/2011 7:00 AM 0.00 0.0 M 8.0 M
1/31/2011 7:00 AM T T M 7.0 M Jan. precip 0.08. Lowest Jan. in 13 years of records. Jan. avg. is 2.23. Jan. snow 0.6. Lowest monthly snow in Dec. to April period for 13 years. Avg. Jan. snow 22.7.
2/1/2011 7:00 AM 0.06 1.0 M 7.0 M
2/2/2011 7:00 AM 0.15 1.6 M 8.0 M Sun dogs on both sides of sun shortly after sunrise from low clouds - clear above.
2/3/2011 7:00 AM 0.02 0.3 M 8.0 M
2/4/2011 7:00 AM 0.00 0.0 M 8.0 M
2/5/2011 7:00 AM 0.00 0.0 M 8.0 M
2/6/2011 7:00 AM 0.00 0.0 M 8.0 M
2/7/2011 7:00 AM 0.00 0.0 M 8.0 M
2/8/2011 7:30 AM 0.14 1.7 M 9.0 M Very light snow was continuing at 7:30 AM observation time.
2/9/2011 7:00 AM T T M 9.0 M
2/10/2011 7:00 AM 0.00 0.0 M 9.0 M
2/11/2011 7:00 AM 0.00 0.0 M 9.0 M
2/12/2011 7:00 AM 0.00 0.0 M 8.0 M
2/14/2011 7:00 AM 0.00 0.0 M 6.0 M
2/15/2011 7:00 AM 0.00 0.0 M 5.0 M
2/16/2011 7:00 AM 0.00 0.0 M 4.5 M
2/17/2011 7:00 AM T T M 4.0 M
2/18/2011 7:00 AM 0.00 0.0 M 4.0 M
2/19/2011 7:00 AM T T M 3.5 M A few snow pellets fell overnight.
2/20/2011 7:00 AM 0.27 1.9 M 5.0 M Possible small hail with thunderstorm about 6:30 last night. I wasn't at station at the time, but later examination showed some accumulation of hard ice pellets -not soft snow pellets.
2/21/2011 7:00 AM 0.05 0.8 M 6.0 M
2/22/2011 7:00 AM 0.00 0.0 M 6.0 M
2/23/2011 7:00 AM 0.00 0.0 M 5.0 M
2/24/2011 7:00 AM 0.01 0.1 M 5.0 M
2/25/2011 7:00 AM T T M 5.0 M Light snow falling at 7 AM observation time.
2/26/2011 7:00 AM 0.01 0.1 M 5.0 M Light snow fell yesterday morning.
2/27/2011 7:00 AM 0.00 0.0 M 5.0 M
2/28/2011 7:00 AM 0.01 0.1 M 5.0 M Feb. precip. 0.72. Avg. Feb. precip. 1.98. Feb. snow 7.6. Avg. Feb. snow 21.4. Combined Jan. & Feb. precip 0.80. Combined Jan. & Feb. snow 8.2. Both are the lowest in the 13 years of observations.
3/1/2011 7:00 AM 0.00 0.0 M 4.0 M
3/2/2011 7:00 AM 0.00 0.0 M 3.0 M
3/3/2011 7:00 AM T T M 2.0 M Very light dusting of fresh snow pellets.
3/4/2011 7:00 AM 0.00 0.0 M 1.0 M Snow depth is an estimated median depth. About 40% of the ground is bare while shady areas still have up to 2 feet.
3/5/2011 7:00 AM T T M 1.0 M Another very light snow flurry yesterday morning.
3/6/2011 7:00 AM 0.00 0.0 M 1.0 M
3/7/2011 7:00 AM 0.03 0.3 M 1.0 M Light snow began again about 8 AM.
3/8/2011 7:00 AM 0.73 7.9 M 9.0 M
3/9/2011 7:00 AM 0.00 0.0 M 5.0 M
3/10/2011 7:00 AM 0.00 0.0 M 3.0 M
3/11/2011 7:00 AM 0.00 0.0 M 2.0 M
3/12/2011 7:00 AM 0.00 0.0 M 1.0 M By this afternoon, less than 50% of the ground will be covered by snow. (Snow depth will drop to "T" on Sunday.)
3/13/2011 7:00 AM 0.00 0.0 M T M Most shady and north sloping areas still have a snow cover.
3/14/2011 7:00 AM 0.00 0.0 M T M
3/15/2011 7:00 AM 0.00 0.0 M T M
3/16/2011 7:00 AM 0.00 0.0 M T M
3/17/2011 7:00 AM 0.00 0.0 M T M
3/18/2011 7:00 AM T M M T M
3/19/2011 7:00 AM 0.00 0.0 M T M
3/20/2011 7:00 AM 0.00 0.0 M T M
3/22/2011 7:00 AM 0.04 0.3 M T M
3/23/2011 7:00 AM 0.03 0.3 M T M
3/24/2011 7:00 AM 0.00 0.0 M T M
3/26/2011 7:00 AM T T M T M A few snow flurries from 8 PM to 10 PM last night.
3/27/2011 7:00 AM 0.19 1.8 M 2.0 M Despite precip in the last 24 hours, YTD precip and snowfall is the lowest in the 13 years of records. Except for heavy precip last Dec., there would be drought possibilities.
3/28/2011 7:00 AM 0.00 0.0 M T M
3/29/2011 7:00 AM 0.00 0.0 M T M
3/30/2011 7:00 AM 0.00 0.0 M T M Old snow is down to just a few scattered patches.
3/31/2011 7:00 AM 0.00 0.0 M T M Mar. precip 1.02. Avg. Mar. precip 1.75. Mar snow 10.6. Avg. Mar. snow 17.8. YTD precip 1.82. Avg YTD precip 5.96. YTD snow 18.8. Avg. YTD snow 61.9. Both YTD totals are record lows.
4/1/2011 7:00 AM 0.00 0.0 M T M
4/3/2011 7:00 AM 0.00 0.0 M T M Old snow is down to isolated patches.
4/4/2011 7:00 AM T T M T M A few snow flurries yesterday afternoon. No accumulation. The "T" for depth is from isolated patches of old snow.
4/5/2011 7:00 AM 0.00 0.0 M T M Old snow is down to very isolated patches. These will melt in the next day or two.
4/6/2011 7:00 AM 0.00 0.0 M 0.0 M Last of the old snow (within a 200 ft. radius of station) melted yesterday. Patches of old snow still exist in canyon below station.
4/7/2011 7:00 AM 0.20 T M 0.0 M A few wet snowflakes mixed in.
4/8/2011 7:00 AM 0.12 T M M M
4/9/2011 7:00 AM 0.00 0.0 M M M
4/10/2011 7:00 AM 0.07 0.5 M T M Snow pellets (graupel) up to 1/2 in. diameter in brief snow shower yesterday. (As noisy as hail, but no hail report sent.) Grassy areas covered with dusting of snow this A.M.
4/11/2011 7:00 AM 0.00 0.0 M M M
4/13/2011 7:00 AM 0.00 0.0 M M M
4/14/2011 7:00 AM T T M T M Light dusting of snow before 7 AM. Snow flurries continue after 7 AM.
4/15/2011 7:00 AM T T M M M A few stray snow flurries lasted an hour or two after yesterday morning's 7 AM observation.
4/16/2011 7:00 AM 0.00 0.0 M M M
4/17/2011 7:00 AM 0.00 0.0 M M M
4/18/2011 7:00 AM 0.00 0.0 M M M
4/19/2011 7:00 AM 0.15 M M M M
4/20/2011 7:00 AM T M M M M
4/21/2011 7:00 AM 0.00 0.0 M M M
4/23/2011 7:00 AM 0.00 0.0 M M M
4/24/2011 7:00 AM 0.28 M M M M No snow but didn't miss by much.
4/25/2011 7:00 AM 0.65 0.4 M 0.5 M
4/26/2011 7:00 AM 0.01 T M M M
4/27/2011 7:00 AM 0.02 0.2 M M M
4/28/2011 7:00 AM 0.00 0.0 M M M
4/29/2011 7:00 AM 0.00 0.0 M M M
4/30/2011 7:00 AM 0.00 0.0 M M M
5/1/2011 7:00 AM 0.00 0.0 M M M April precip 1.50. Avg April precip 1.78. YTD precip 3.32. Avg YTD precip 7.74. April snow 1.1 (a record low). Avg April snow 9.7. YTD snow 19.9 (a record low). Avg YTD snow 71.6. 13 years of measurements.
5/6/2011 7:00 AM 0.00 0.0 M M M
5/7/2011 7:00 AM 0.00 0.0 M M M
5/8/2011 7:00 AM 0.00 0.0 M M M
5/9/2011 7:00 AM 0.00 0.0 M M M
5/10/2011 7:00 AM 0.13 T M M M
5/11/2011 7:00 AM 0.05 0.2 M T M Snow picked up in intensity after 7 AM observation.
5/12/2011 7:00 AM 0.09 0.4 M 0.0 M
5/14/2011 7:00 AM 0.00 0.0 M M M
5/15/2011 7:00 AM 0.00 0.0 M M M
5/16/2011 7:00 AM 0.00 0.0 M M M
5/17/2011 7:00 AM T M M M M
5/18/2011 7:00 AM T M M M M
5/19/2011 7:00 AM 0.99 2.2 M 1.5 M About 0.84 of precip fell as snow, and reported snow would be about 8 inches if the ground had been cold.
5/20/2011 7:00 AM 0.53 2.9 M 0.5 M Snowfall of 2.9 is a "best estimate". Precip was all snow, but simultaneous accumulation and melting made a pure measurement impossible.
5/21/2011 7:00 AM 0.17 T M M M 3 day precip total is 1.69 which is 50 % above the average total for the entire month of May.
5/22/2011 7:00 AM 0.00 0.0 M M M
5/23/2011 7:00 AM 0.04 M M M M A few rumbles of thunder last night.
5/24/2011 7:00 AM T M M M M
5/25/2011 7:00 AM 0.04 M M M M
5/26/2011 7:00 AM 0.00 0.0 M M M
5/27/2011 7:00 AM 0.00 0.0 M M M
5/28/2011 7:00 AM 0.00 0.0 M M M
5/29/2011 7:00 AM 0.00 0.0 M M M
5/30/2011 7:00 AM 0.00 0.0 M M M
6/2/2011 7:00 AM 0.00 0.0 M M M
6/3/2011 7:00 AM 0.00 0.0 M M M
6/4/2011 7:00 AM 0.00 0.0 M M M
6/6/2011 7:00 AM 0.00 0.0 M M M Visibility down to 10 miles in smoke - probably from large Arizona forest fire.
6/7/2011 7:00 AM 0.00 0.0 M M M Air is clear. Yesterday's smoke is gone.
6/9/2011 7:00 AM 0.00 0.0 M M M
6/10/2011 7:00 AM 0.00 0.0 M M M
6/11/2011 7:00 AM 0.00 0.0 M M M
6/12/2011 7:00 AM 0.00 0.0 M M M
6/14/2011 7:00 AM 0.00 0.0 M M M
6/15/2011 7:00 AM 0.00 0.0 M M M
6/16/2011 7:00 AM 0.00 0.0 M M M
6/18/2011 7:00 AM 0.00 0.0 M M M
6/19/2011 7:00 AM 0.00 0.0 M M M
6/20/2011 7:00 AM 0.00 0.0 M M M No precip at station, but La Plata Mtns. have a couple of inches of new snow.
6/21/2011 7:00 AM 0.00 0.0 M M M
6/22/2011 7:00 AM 0.00 0.0 M M M
6/23/2011 7:00 AM 0.00 0.0 M M M No precip yet for the month of June.
6/24/2011 7:00 AM 0.00 0.0 M M M
6/25/2011 7:00 AM 0.00 0.0 M M M
6/26/2011 7:00 AM 0.00 0.0 M M M
6/27/2011 7:00 AM 0.00 0.0 M M M Still no precip for June.
6/28/2011 7:00 AM 0.00 0.0 M M M
6/29/2011 7:00 AM T M M M M
6/30/2011 7:00 AM T M M M M
7/1/2011 7:00 AM T M M M M June 2011 was the only month to not have measurable precipitation since record keeping began in July 1998. Visibility down to below 10 miles yesterday in airborne dust.
7/3/2011 7:00 AM 0.00 0.0 M M M
7/4/2011 7:00 AM 0.02 M M M M
7/5/2011 7:00 AM 0.00 0.0 M M M
7/6/2011 7:00 AM 0.07 M M M M
7/7/2011 7:00 AM 0.00 0.0 M M M
7/8/2011 7:00 AM 0.00 0.0 M M M
7/9/2011 7:00 AM 0.13 M M M M
7/10/2011 7:00 AM 0.07 M M M M
7/12/2011 7:00 AM 0.69 M M M M
7/13/2011 7:00 AM 1.41 M M M M 1.41 inches of rain fell in a 90 minute period. Significant weather report sent yesterday evening.
7/14/2011 7:00 AM 0.00 0.0 M M M No precip. Thundershower last evening moved from SW to NE staying SE of station.
7/15/2011 7:00 AM 0.00 0.0 M M M
7/16/2011 7:00 AM 0.00 0.0 M M M
7/17/2011 7:00 AM 0.00 0.0 M M M
7/18/2011 7:00 AM 0.01 M M M M
7/19/2011 7:00 AM 0.53 M M M M
7/20/2011 7:00 AM 0.00 0.0 M M M
7/21/2011 7:00 AM 0.00 0.0 M M M
7/23/2011 7:00 AM 0.00 0.0 M M M
7/24/2011 7:00 AM 0.00 0.0 M M M
7/25/2011 7:00 AM T M M M M
7/26/2011 7:00 AM 0.02 M M M M
7/27/2011 7:00 AM 0.84 M M M M
7/29/2011 7:00 AM 0.00 0.0 M M M
7/30/2011 7:00 AM 0.05 M M M M
7/31/2011 7:00 AM 0.29 M M M M After a June with no measurable precip, July's 4.13 inches of precip was the wettest July since record keeping began in 1998.
8/1/2011 7:00 AM 0.06 M M M M
8/2/2011 7:00 AM 0.03 M M M M
8/3/2011 7:00 AM 0.06 M M M M
8/4/2011 7:00 AM 0.48 M M M M
8/5/2011 7:00 AM 0.02 M M M M
8/6/2011 7:00 AM T M M M M
8/7/2011 7:00 AM 0.00 0.0 M M M
8/8/2011 7:00 AM 0.00 0.0 M M M
8/9/2011 7:00 AM 0.00 0.0 M M M
8/10/2011 7:00 AM 0.00 0.0 M M M
8/11/2011 7:00 AM 0.00 0.0 M M M
8/12/2011 7:00 AM 0.00 0.0 M M M
8/13/2011 7:00 AM 0.00 0.0 M M M
8/14/2011 7:00 AM 0.00 0.0 M M M
8/15/2011 7:00 AM 0.01 M M M M
8/16/2011 7:00 AM 0.00 0.0 M M M
8/17/2011 7:00 AM T M M M M
8/18/2011 7:00 AM 0.00 0.0 M M M
8/19/2011 7:00 AM 0.08 M M M M
8/20/2011 7:00 AM T M M M M
8/21/2011 7:00 AM 0.04 M M M M
8/22/2011 7:00 AM T M M M M
8/23/2011 7:00 AM 0.00 0.0 M M M No rain at station, but heavy thundershower 5 miles to east of station.
8/25/2011 7:00 AM 0.16 M M M M
8/27/2011 7:00 AM 0.10 M M M M
8/28/2011 7:00 AM 0.14 M M M M
8/29/2011 7:00 AM 0.08 M M M M
8/30/2011 7:00 AM T M M M M
8/31/2011 7:00 AM T M M M M Aug. precip was 1.26. Average Aug. precip is 2.52. Aug. was below normal, but then again, precip is highly variably over short distances this time of year.
9/1/2011 7:00 AM 0.03 M M M M
9/2/2011 7:00 AM 0.01 M M M M
9/3/2011 7:00 AM 0.02 M M M M
9/4/2011 7:00 AM T M M M M
9/5/2011 7:00 AM 0.02 M M M M
9/6/2011 7:00 AM 0.03 M M M M
9/7/2011 7:00 AM 0.15 M M M M
9/8/2011 7:00 AM T M M M M
9/9/2011 7:00 AM 0.00 0.0 M M M
9/10/2011 7:00 AM 0.02 M M M M
9/11/2011 7:00 AM 0.01 M M M M
9/12/2011 7:00 AM 0.06 M M M M
9/13/2011 7:00 AM T M M M M
9/14/2011 7:00 AM 0.01 M M M M
9/15/2011 7:00 AM 0.72 M M M M
9/16/2011 7:00 AM 0.16 M M M M
9/17/2011 7:00 AM 0.16 M M M M
9/18/2011 7:00 AM 0.06 M M M M
9/19/2011 7:00 AM 0.00 0.0 M M M
9/20/2011 7:00 AM 0.00 0.0 M M M
9/21/2011 7:00 AM T M M M M
9/23/2011 7:00 AM 0.00 0.0 M M M
9/24/2011 7:00 AM 0.00 0.0 M M M
9/27/2011 7:00 AM 0.00 0.0 M M M
9/28/2011 7:00 AM 0.00 0.0 M M M
9/29/2011 7:00 AM 0.00 0.0 M M M
9/30/2011 7:00 AM 0.00 0.0 M M M Sept. precip was 1.46. Average Sept. precip is 2.27.



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
10/6/2010 5:17 PM Brief hail on trailing edge of shower. Total precip (for this shower) in gauge as estimated by looking out window is just 0.08. 3/8" 1/4" Pea Size Rice Hard|White Ice 5 2min no damage Continuous True After rain Same time as smaller hail 10-20
10/7/2010 2:35 PM Minimal hail shower. Precip for this shower is only 0.01. (At least, so far) 1/4" Pea Size 1/4" Pea Size Rice Hard|White Ice 2 2min no damage Continuous True Same time as rain Same time as smaller hail 10-20