Station Overview Station Location
Station Number CO-AM-10 Latitude 37.65175
Station Name Great Sand Dunes 7.0 SSW Longitude -105.57938
County Alamosa Elevation (ft) 7890



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 16 0.83 0.08 31 0.08 31 0.00 0 0 1 1 0.0 0 0
Nov 16 0.39 0.44 30 0.44 30 0.00 0 0 4 1 1.5 2 2
Dec 16 0.34 0.96 31 0.96 31 0.00 0 0 6 2 4.8 5 12
Jan 17 0.37 1.20 31 1.20 31 0.00 0 0 8 3 19.1 7 31
Feb 17 0.37 0.01 28 0.01 11 0.00 17 1 1 2 0.0 0 3
March 17 0.79 1.53 31 1.53 31 0.00 0 0 6 0 7.5 2 2
April 17 0.97 0.72 30 0.72 30 0.00 0 0 4 5 5.3 3 2
May 17 0.97 2.11 31 2.11 31 0.00 0 0 7 1 0.0 0 1
June 17 1.17 0.27 30 0.27 30 0.00 0 0 4 2 0.0 0 0
July 17 1.45 3.86 31 3.86 31 0.00 0 0 18 1 0.0 0 0
Aug 17 1.94 1.30 31 1.30 31 0.00 0 0 12 3 0.0 0 0
Sept 17 1.50 2.54 30 2.54 30 0.00 0 0 10 2 0.0 0 0
Water Year Totals: 11.09" 15.02" 365 days 15.02" 348 0.00" 17 days 1 81 days 23 days 38.2" 19 days 53 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
10/1/2016 0.00
10/2/2016 0.00
10/3/2016 0.08
10/4/2016 0.00
10/5/2016 0.00
10/6/2016 0.00
10/7/2016 0.00
10/8/2016 0.00
10/9/2016 0.00
10/10/2016 0.00
10/11/2016 0.00
10/12/2016 0.00
10/13/2016 0.00
10/14/2016 0.00
10/15/2016 0.00
10/16/2016 0.00
10/17/2016 0.00
10/18/2016 0.00
10/19/2016 0.00
10/20/2016 0.00
10/21/2016 0.00
10/22/2016 0.00
10/23/2016 0.00
10/24/2016 0.00
10/25/2016 0.00
10/26/2016 T
10/27/2016 0.00
10/28/2016 0.00
10/29/2016 0.00
10/30/2016 0.00
10/31/2016 0.00
11/1/2016 0.00
11/2/2016 0.00
11/3/2016 0.00
11/4/2016 0.00
11/5/2016 0.09
11/6/2016 0.02
11/7/2016 0.00
11/8/2016 0.00
11/9/2016 0.00
11/10/2016 0.00
11/11/2016 0.00
11/12/2016 0.00
11/13/2016 0.00
11/14/2016 0.00
11/15/2016 0.00
11/16/2016 0.00
11/17/2016 0.00
11/18/2016 T
11/19/2016 0.00
11/20/2016 0.00
11/21/2016 0.00
11/22/2016 0.24
11/23/2016 0.00
11/24/2016 0.00
11/25/2016 0.00
11/26/2016 0.00
11/27/2016 0.09
11/28/2016 0.00
11/29/2016 0.00
11/30/2016 0.00
12/1/2016 0.00
12/2/2016 0.00
12/3/2016 0.04
12/4/2016 0.00
12/5/2016 0.00
12/6/2016 0.00
12/7/2016 0.06
12/8/2016 0.00
12/9/2016 T
12/10/2016 0.00
12/11/2016 0.00
12/12/2016 0.00
12/13/2016 0.00
12/14/2016 0.00
12/15/2016 0.00
12/16/2016 0.00
12/17/2016 0.11
12/18/2016 0.04
12/19/2016 0.00
12/20/2016 0.00
12/21/2016 0.00
12/22/2016 T
12/23/2016 0.36
12/24/2016 0.00
12/25/2016 0.35
12/26/2016 0.00
12/27/2016 0.00
12/28/2016 0.00
12/29/2016 0.00
12/30/2016 0.00
12/31/2016 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2017 0.05
1/2/2017 0.00
1/3/2017 0.00
1/4/2017 0.00
1/5/2017 T
1/6/2017 0.41
1/7/2017 0.00
1/8/2017 0.00
1/9/2017 0.00
1/10/2017 0.00
1/11/2017 0.00
1/12/2017 0.00
1/13/2017 0.00
1/14/2017 0.00
1/15/2017 0.06
1/16/2017 0.14
1/17/2017 0.22
1/18/2017 0.00
1/19/2017 0.00
1/20/2017 0.17
1/21/2017 T
1/22/2017 T
1/23/2017 0.00
1/24/2017 0.01
1/25/2017 0.14
1/26/2017 0.00
1/27/2017 0.00
1/28/2017 0.00
1/29/2017 0.00
1/30/2017 0.00
1/31/2017 0.00
2/1/2017 0.00
2/2/2017 0.00
2/3/2017 0.00
2/4/2017 **
2/5/2017 **
2/6/2017 **
2/7/2017 **
2/8/2017 **
2/9/2017 **
2/10/2017 **
2/11/2017 **
2/12/2017 **
2/13/2017 **
2/14/2017 **
2/15/2017 **
2/16/2017 **
2/17/2017 **
2/18/2017 **
2/19/2017 **
2/20/2017 M
2/21/2017 0.00
2/22/2017 0.00
2/23/2017 0.00
2/24/2017 T
2/25/2017 T
2/26/2017 0.00
2/27/2017 0.00
2/28/2017 0.01
3/1/2017 0.19
3/2/2017 0.00
3/3/2017 0.00
3/4/2017 0.00
3/5/2017 0.00
3/6/2017 0.00
3/7/2017 0.00
3/8/2017 0.00
3/9/2017 0.00
3/10/2017 0.00
3/11/2017 0.00
3/12/2017 0.00
3/13/2017 0.00
3/14/2017 0.00
3/15/2017 0.00
3/16/2017 0.00
3/17/2017 0.00
3/18/2017 0.00
3/19/2017 0.00
3/20/2017 0.00
3/21/2017 0.00
3/22/2017 0.00
3/23/2017 0.00
3/24/2017 0.96
3/25/2017 0.00
3/26/2017 0.30
3/27/2017 0.06
3/28/2017 0.01
3/29/2017 0.01
3/30/2017 0.00
3/31/2017 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2017 0.06
4/2/2017 T
4/3/2017 0.00
4/4/2017 0.43
4/5/2017 0.12
4/6/2017 0.00
4/7/2017 0.00
4/8/2017 0.00
4/9/2017 0.00
4/10/2017 0.00
4/11/2017 0.00
4/12/2017 0.00
4/13/2017 0.00
4/14/2017 0.00
4/15/2017 0.00
4/16/2017 0.00
4/17/2017 0.00
4/18/2017 0.00
4/19/2017 0.00
4/20/2017 0.00
4/21/2017 T
4/22/2017 0.00
4/23/2017 0.00
4/24/2017 0.00
4/25/2017 0.00
4/26/2017 0.11
4/27/2017 0.00
4/28/2017 T
4/29/2017 T
4/30/2017 T
5/1/2017 0.00
5/2/2017 0.00
5/3/2017 T
5/4/2017 0.00
5/5/2017 0.00
5/6/2017 0.00
5/7/2017 0.00
5/8/2017 0.13
5/9/2017 0.28
5/10/2017 0.42
5/11/2017 1.13
5/12/2017 0.00
5/13/2017 0.00
5/14/2017 0.00
5/15/2017 0.00
5/16/2017 0.00
5/17/2017 0.04
5/18/2017 0.00
5/19/2017 0.00
5/20/2017 0.00
5/21/2017 0.00
5/22/2017 0.01
5/23/2017 0.10
5/24/2017 0.00
5/25/2017 0.00
5/26/2017 0.00
5/27/2017 0.00
5/28/2017 0.00
5/29/2017 0.00
5/30/2017 0.00
5/31/2017 0.00
6/1/2017 0.00
6/2/2017 0.17
6/3/2017 0.08
6/4/2017 0.00
6/5/2017 0.01
6/6/2017 T
6/7/2017 0.00
6/8/2017 0.00
6/9/2017 0.00
6/10/2017 0.00
6/11/2017 0.00
6/12/2017 0.00
6/13/2017 0.00
6/14/2017 0.00
6/15/2017 0.00
6/16/2017 0.00
6/17/2017 0.00
6/18/2017 0.00
6/19/2017 0.00
6/20/2017 0.00
6/21/2017 0.00
6/22/2017 0.01
6/23/2017 0.00
6/24/2017 0.00
6/25/2017 0.00
6/26/2017 0.00
6/27/2017 0.00
6/28/2017 T
6/29/2017 0.00
6/30/2017 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2017 0.00
7/2/2017 0.00
7/3/2017 0.00
7/4/2017 0.00
7/5/2017 T
7/6/2017 0.23
7/7/2017 0.00
7/8/2017 0.12
7/9/2017 0.00
7/10/2017 0.00
7/11/2017 0.37
7/12/2017 0.01
7/13/2017 0.01
7/14/2017 0.06
7/15/2017 0.31
7/16/2017 0.50
7/17/2017 0.88
7/18/2017 0.07
7/19/2017 0.08
7/20/2017 0.00
7/21/2017 0.00
7/22/2017 0.02
7/23/2017 0.10
7/24/2017 0.00
7/25/2017 0.00
7/26/2017 0.11
7/27/2017 0.00
7/28/2017 0.49
7/29/2017 0.22
7/30/2017 0.23
7/31/2017 0.05
8/1/2017 0.00
8/2/2017 0.00
8/3/2017 0.02
8/4/2017 0.11
8/5/2017 0.00
8/6/2017 0.00
8/7/2017 0.01
8/8/2017 0.55
8/9/2017 T
8/10/2017 0.01
8/11/2017 T
8/12/2017 0.09
8/13/2017 0.00
8/14/2017 0.03
8/15/2017 0.21
8/16/2017 0.00
8/17/2017 0.00
8/18/2017 0.00
8/19/2017 0.00
8/20/2017 0.00
8/21/2017 0.00
8/22/2017 T
8/23/2017 0.05
8/24/2017 0.00
8/25/2017 0.00
8/26/2017 0.00
8/27/2017 0.00
8/28/2017 0.08
8/29/2017 0.00
8/30/2017 0.01
8/31/2017 0.13
9/1/2017 T
9/2/2017 0.00
9/3/2017 0.00
9/4/2017 0.00
9/5/2017 0.00
9/6/2017 0.00
9/7/2017 0.00
9/8/2017 0.00
9/9/2017 0.00
9/10/2017 0.00
9/11/2017 0.00
9/12/2017 0.05
9/13/2017 0.18
9/14/2017 T
9/15/2017 0.05
9/16/2017 0.00
9/17/2017 0.00
9/18/2017 0.12
9/19/2017 0.00
9/20/2017 0.00
9/21/2017 0.00
9/22/2017 0.00
9/23/2017 0.09
9/24/2017 0.47
9/25/2017 0.00
9/26/2017 0.00
9/27/2017 0.38
9/28/2017 0.70
9/29/2017 0.39
9/30/2017 0.11



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2016 7:00 AM 0.00 0.0 M M M
10/2/2016 7:00 AM 0.00 0.0 M M M
10/3/2016 7:00 AM 0.08 M M M M Surprise rain overnight - prediction was 0% chance. Skiff of snow on Sangres
10/4/2016 7:00 AM 0.00 0.0 M M M
10/5/2016 7:00 AM 0.00 0.0 M M M
10/6/2016 7:00 AM 0.00 0.0 M M M
10/7/2016 7:00 AM 0.00 0.0 M M M
10/8/2016 7:00 AM 0.00 0.0 M M M
10/9/2016 7:00 AM 0.00 0.0 M M M
10/10/2016 7:00 AM 0.00 0.0 M M M
10/11/2016 7:00 AM 0.00 0.0 M M M
10/12/2016 7:00 AM 0.00 0.0 M M M
10/13/2016 7:00 AM 0.00 0.0 M M M
10/14/2016 7:00 AM 0.00 0.0 M M M
10/15/2016 7:00 AM 0.00 0.0 M M M
10/16/2016 7:00 AM 0.00 0.0 M M M
10/17/2016 7:00 AM 0.00 0.0 M M M
10/18/2016 7:00 AM 0.00 0.0 M M M
10/19/2016 7:00 AM 0.00 0.0 M M M
10/20/2016 7:00 AM 0.00 0.0 M M M
10/21/2016 7:00 AM 0.00 0.0 M M M
10/22/2016 7:00 AM 0.00 0.0 M M M
10/23/2016 7:00 AM 0.00 0.0 M M M
10/24/2016 7:00 AM 0.00 0.0 M M M
10/25/2016 7:00 AM 0.00 0.0 M M M
10/26/2016 7:00 AM T M M M M
10/27/2016 7:00 AM 0.00 0.0 M M M
10/28/2016 7:00 AM 0.00 0.0 M M M
10/29/2016 7:00 AM 0.00 0.0 M M M
10/30/2016 7:00 AM 0.00 0.0 M M M
10/31/2016 7:00 AM 0.00 0.0 M M M
11/1/2016 7:00 AM 0.00 0.0 M M M Happy New Year's Day! -- Again. First day of the 2017 Irrigation Year in Colorado and most Western States.
11/2/2016 7:00 AM 0.00 0.0 M M M
11/3/2016 7:00 AM 0.00 0.0 M M M
11/4/2016 7:00 AM 0.00 0.0 M M M
11/5/2016 7:00 AM 0.09 M M M M First measurable precip since Sept 24. Misting at 5 am. Dry tree shadows on sidewalk. Probably just started.
11/6/2016 7:00 AM 0.02 M M M M Cloudy w/low clouds. Late yesterday when clouds cleared, snow down to timberline.
11/7/2016 7:00 AM 0.00 0.0 M M M
11/8/2016 7:00 AM 0.00 0.0 M M M
11/9/2016 7:00 AM 0.00 0.0 M M M
11/10/2016 7:00 AM 0.00 0.0 M M M Clear and 18F at 7am.
11/11/2016 7:00 AM 0.00 0.0 M M M
11/12/2016 7:00 AM 0.00 0.0 M M M
11/13/2016 7:00 AM 0.00 0.0 M M M
11/14/2016 7:00 AM 0.00 0.0 M M M
11/15/2016 7:00 AM 0.00 0.0 M M M
11/16/2016 7:00 AM 0.00 0.0 M M M
11/17/2016 7:00 AM 0.00 0.0 M M M Mostly cloudy, windy.
11/18/2016 7:00 AM T M M M M Sleet for a few minutes
11/19/2016 7:00 AM 0.00 0.0 M M M
11/20/2016 7:00 AM 0.00 0.0 M M M
11/21/2016 7:00 AM 0.00 0.0 M M M Windy, overcast, threatening.
11/22/2016 7:00 AM 0.24 1.0 M 0.2 M Rain turned to snow overnight. Mix of snow & frozen water in 4" tube.
11/23/2016 7:00 AM 0.00 0.0 M 0.0 M Yesterday's snow gone at this elevation. Snow on ground down to ~9000 ft. Light accumulation above timberline.
11/24/2016 7:00 AM 0.00 0.0 M 0.0 M
11/25/2016 7:00 AM 0.00 0.0 M M M Cold, 10F.
11/26/2016 7:00 AM 0.00 0.0 M M M Clear, 8F
11/27/2016 7:00 AM 0.09 0.5 M 0.5 M Freezing rain about 6am turning to snow pellets about 6:30.
11/28/2016 7:00 AM 0.00 0.0 M T M Partly overcast, 15F.
11/29/2016 7:00 AM 0.00 0.0 M T M Clear & cold, 8F
11/30/2016 7:00 AM 0.00 0.0 M T M Clear, cold, 7F.
12/1/2016 7:00 AM 0.00 0.0 M T M Mostly clear, 5F.
12/2/2016 7:00 AM 0.00 0.0 M T M Overcast, 14F
12/3/2016 7:00 AM 0.04 0.2 M 0.2 M Light (powdered sugar) snow flurries intermittently most of day. Currently partly cloudy, valley ice fog, 21F.
12/4/2016 7:00 AM 0.00 0.0 M T M Clear, 5F. Snow on ground in shady areas, ~1/10th.
12/5/2016 7:00 AM 0.00 0.0 M T M Clear 12F
12/6/2016 7:00 AM 0.00 0.0 M T M Clear, 14F. Hi 43F yesterday.
12/7/2016 7:00 AM 0.06 1.0 M 1.0 M Snowing lightly at reading, 18F.
12/8/2016 7:00 AM 0.00 0.0 M M M
12/9/2016 7:00 AM T T M 1.0 M Snow stopped ~7:30a. Current, ptly cloudy, 8F.
12/10/2016 7:00 AM 0.00 0.0 M T M Clear, 13F. Snow mostly gone in sunny areas, ~1/2" in shade.
12/11/2016 7:00 AM 0.00 0.0 M T M Wow,39F. Overcast & breezy.
12/12/2016 7:00 AM 0.00 0.0 M T M Overcast, breezy, 35F.
12/13/2016 7:00 AM 0.00 0.0 M T M Calm, clear, 23F.
12/14/2016 7:00 AM 0.00 0.0 M T M 24F. SLV cloud ring w/high cirrus.
12/15/2016 7:00 AM 0.00 0.0 M T M 38F, high clouds, windy.
12/16/2016 7:00 AM 0.00 0.0 M T M 39F, overcast, windy. Trace of snow in deep shade.
12/17/2016 7:00 AM 0.11 T M T M Spitting rain at ~7pm, light rain ~10, started spitting snow ~5am. Overcast, threatening, skiff of snow on ground.
12/18/2016 7:00 AM 0.04 0.1 M T M Clear, COLD, 0F. Intermittent snow showers throughout the day.
12/19/2016 7:00 AM 0.00 0.0 M T M Clear & Cold, -6F.
12/20/2016 7:00 AM 0.00 0.0 M T M Clear & cold, 1F.
12/21/2016 7:00 AM 0.00 0.0 M T M Mostly clear, 12F.
12/22/2016 7:00 AM T T M T M Overcast, 31F, trace of snow overnight.
12/23/2016 7:00 AM 0.36 2.0 M 2.0 M 25F, SLV cloud ring
12/24/2016 7:00 AM 0.00 0.0 M 2.0 M Overcast, ice fog, frost.
12/25/2016 7:00 AM 0.35 1.5 M 3.5 M Clouds in "Cloud Ring" around San Luis Valley - clear over valley floor. Snow, likely wet or starting as rain overnight. Ice under fresh snow. 19F.
12/26/2016 7:00 AM 0.00 0.0 M 2.0 M Clear, 2F.
12/27/2016 7:00 AM 0.00 0.0 M 2.0 M Clear, Calm, Cold, -5F.
12/28/2016 7:00 AM 0.00 0.0 M 2.0 M Clear, cold,4F.
12/29/2016 7:00 AM 0.00 0.0 M 2.0 M Clrar 14F.
12/30/2016 7:00 AM 0.00 0.0 M 1.5 M Clear, cold, 3F.
12/31/2016 7:00 AM 0.00 0.0 M 1.5 M Clear, cold, 8F
1/1/2017 7:00 AM 0.05 3.5 M 2.0 M Fog, 22F. Light fluffy snow.
1/2/2017 7:00 AM 0.00 0.0 M 3.5 M Ice fog,16F.
1/3/2017 7:00 AM 0.00 0.0 M 3.5 M Overcast, 24F.
1/4/2017 7:00 AM 0.00 0.0 M 3.0 M Partly overcast, breezy, 28F.
1/5/2017 7:00 AM T T M 3.0 M Overcast, breezy, 32F. Angels dandruff overnight.
1/6/2017 7:00 AM 0.41 5.0 M 7.0 M Fluffy powder, clear, 9F
1/7/2017 7:00 AM 0.00 0.0 M 7.0 M Clear, cold, -13F.
1/8/2017 7:00 AM 0.00 0.0 M 6.5 M Clear, -2F
1/9/2017 7:00 AM 0.00 0.0 M 6.5 1.26 Overcast, 17F
1/10/2017 7:00 AM 0.00 0.0 M 5.0 M Warm wind most of the day -- rapid snow melting
1/11/2017 7:00 AM 0.00 0.0 M 3.5 M Re-submitted 1/12 -- for some reason didn't take. Above freezing w/wind most of 24 Hr period -- rapid snow melting.
1/12/2017 7:00 AM 0.00 0.0 M 2.0 M Continued warm. Roads icy. High thin overcast, 29F.
1/13/2017 7:00 AM 0.00 0.0 M 2.0 M Overcast 28F
1/14/2017 7:00 AM 0.00 0.0 M 2.0 M Mostly Cloudy, 33F.
1/15/2017 7:00 AM 0.06 0.7 M 3.0 M
1/16/2017 7:00 AM 0.14 3.0 M 4.5 M
1/17/2017 7:00 AM 0.22 3.4 M 8.0 M
1/18/2017 7:00 AM 0.00 0.0 M 8.0 M Heavy overcast, 24F
1/19/2017 7:00 AM 0.00 0.0 M 8.0 M Overcast, 21F
1/20/2017 7:00 AM 0.17 2.0 M 8.0 M Heavy overcast, light fluffy snow.
1/21/2017 7:00 AM T T M 8.0 M Heavy overcast, 23F
1/22/2017 7:00 AM T T M 8.0 M Clear, 14F
1/23/2017 7:00 AM 0.00 0.0 M 8.0 M High cirrus, windy, 27F.
1/24/2017 7:00 AM 0.01 T M 8.0 M Overcast w/ snow flurries, 28F
1/25/2017 7:00 AM 0.14 1.5 M 9.0 M
1/26/2017 7:00 AM 0.00 0.0 M 9.0 M
1/27/2017 7:00 AM 0.00 0.0 M 9.0 M Clear, very cold, -12F
1/28/2017 7:00 AM 0.00 0.0 M 8.0 M
1/29/2017 7:00 AM 0.00 0.0 M 8.0 M High thin clouds, 6F.
1/30/2017 7:00 AM 0.00 0.0 M 7.0 M
1/31/2017 7:00 AM 0.00 0.0 M 7.0 M
2/1/2017 7:00 AM 0.00 0.0 M 7.0 M Clear, 15F.
2/2/2017 7:00 AM 0.00 0.0 M 6.0 M
2/3/2017 7:00 AM 0.00 0.0 M 5.0 M Highs ~50+ w/breeze. Snow is melting & compacting. Depth varies greatly from zero to 8 inches. Avg depth ~5 inches?
2/21/2017 7:00 AM 0.00 0.0 M T M
2/22/2017 7:00 AM 0.00 0.0 M T M
2/23/2017 7:00 AM 0.00 0.0 M T M 30F, high 52F. Snow in shaded areas.
2/24/2017 7:00 AM T M M T M Brr. 14F. Snow in shady spots.
2/25/2017 7:00 AM T M M T M Afternoon grapple and snow flurries - slop from precip activity higher up on Sangres - no accumulation at this level.
2/26/2017 7:00 AM 0.00 0.0 M T M SLV cloud ring, 19F.
2/27/2017 7:00 AM 0.00 0.0 M T M Overcast, 25F, wind. Snow/ice on ground in shady areas.
2/28/2017 7:00 AM 0.01 T M T M Skiff of fresh snow. Overcast, breezy, 33F.
3/1/2017 7:00 AM 0.19 0.5 M 0.5 M Snow & grapple flurries on and off throughout day. Clear and calm this morning, 11F.
3/2/2017 7:00 AM 0.00 0.0 M T M Clear, 15F. Snow gone except shady areas.
3/3/2017 7:00 AM 0.00 0.0 M T M Clear, 14F. Yesterday's High 41F.
3/4/2017 7:00 AM 0.00 0.0 M T M Clear, 20F. High 41F.
3/5/2017 7:00 AM 0.00 0.0 M T M Warm 35F, breezy, partial overcast. Still snow on ground in shaded areas.
3/6/2017 7:00 AM 0.00 0.0 M T M 29F, mostly clear, windy now and all night.
3/7/2017 7:00 AM 0.00 0.0 M T M Clear,calm, cold, 10F.
3/8/2017 7:00 AM 0.00 0.0 M T M Clear, Calm, 19F
3/9/2017 7:00 AM 0.00 0.0 M T M Clear, calm, 21F
3/10/2017 7:00 AM 0.00 0.0 M T M
3/11/2017 7:00 AM 0.00 0.0 M T M Overcast, calm, 31F
3/12/2017 7:00 AM 0.00 0.0 M T M
3/13/2017 7:00 AM 0.00 0.0 M M M Clear, light breeze, 30F.
3/14/2017 7:00 AM 0.00 0.0 M M M Clear, calm, 34F, dark :)
3/15/2017 7:00 AM 0.00 0.0 M M M Clear, calm 35F
3/16/2017 7:00 AM 0.00 0.0 M M M Clear, calm 29F
3/17/2017 7:00 AM 0.00 0.0 M M M
3/18/2017 7:00 AM 0.00 0.0 M M M
3/19/2017 7:00 AM 0.00 0.0 M M M
3/20/2017 7:00 AM 0.00 0.0 M M M
3/21/2017 7:00 AM 0.00 0.0 M M M
3/22/2017 7:00 AM 0.00 0.0 M M M
3/23/2017 7:00 AM 0.00 0.0 M M M
3/24/2017 7:00 AM 0.96 7.0 0.69 5.0 0.69 Nice heavy wet spring snow. Some melted on contact w/ground. Starting to melt now. Power off at 3:30am. Intermittent from 6:30 to ~10:15 (so far so good). No internet until 10:30.
3/25/2017 7:00 AM 0.00 0.0 M T M Much of the snow has melted. Maybe 50% of ground bare.
3/26/2017 7:00 AM 0.30 T M T M Wet snow falling. No accumulation yet.
3/27/2017 7:00 AM 0.06 0.0 M 0.0 M Snow stopped ~8:30. Afternoon grapple squall.
3/28/2017 7:00 AM 0.01 M M M M
3/29/2017 7:00 AM 0.01 M M M M Mixed snow/rain squalls overnight.
3/30/2017 7:00 AM 0.00 0.0 M M M
3/31/2017 7:00 AM 0.00 0.0 M M M
4/1/2017 7:00 AM 0.06 0.2 M T M Snow overnight. ~60% of ground w/skiff of snow.
4/2/2017 7:00 AM T M M M M Sprinkles & dandruff.
4/3/2017 7:00 AM 0.00 0.0 M M M
4/4/2017 7:00 AM 0.43 4.1 M 4.0 M Power went out at 7:08. Snowing & near blizzard conditions at 7am. Snow depth on ground variable due to drifting. Snow depth measured in sheltered spot.
4/5/2017 7:00 AM 0.12 1.0 M 0.5 M After morning snow quit 0.03. Melted most of the day. Started snowing ~5:30pm. Snow depth on ground greatly variable.
4/6/2017 7:00 AM 0.00 0.0 M T M Snow mostly in shady places
4/7/2017 7:00 AM 0.00 0.0 M T M Yesterday's high 56. Clear, 30F.
4/8/2017 7:00 AM 0.00 0.0 M M M
4/9/2017 7:00 AM 0.00 0.0 M M M
4/10/2017 7:00 AM 0.00 0.0 M M M Clear, calm, cool 22F.
4/11/2017 7:00 AM 0.00 0.0 M M M Clear, calm, cold 22F
4/12/2017 7:00 AM 0.00 0.0 M M M
4/13/2017 7:00 AM 0.00 0.0 M M M
4/14/2017 7:00 AM 0.00 0.0 M M M
4/15/2017 7:00 AM 0.00 0.0 M M M
4/16/2017 7:00 AM 0.00 0.0 M M M
4/17/2017 7:00 AM 0.00 0.0 M M M
4/18/2017 7:00 AM 0.00 0.0 M M M
4/19/2017 7:00 AM 0.00 0.0 M M M
4/20/2017 7:00 AM 0.00 0.0 M M M
4/21/2017 7:00 AM T M M M M Some fresh snow above timber line.
4/22/2017 7:00 AM 0.00 0.0 M M M
4/23/2017 7:00 AM 0.00 0.0 M M M
4/24/2017 7:00 AM 0.00 0.0 M M M
4/25/2017 7:00 AM 0.00 0.0 M M M
4/26/2017 7:00 AM 0.11 T M T M Slush, rain, & snow mix off and on most of day and after dark. Trace accumulation.
4/27/2017 7:00 AM 0.00 0.0 M M M
4/28/2017 7:00 AM T 0.0 M 0.0 M Sunshine, clouds, rain, slush, snow, thundersnow, grapple, repeat. Springtime in the Rockies.
4/29/2017 7:00 AM T T M T M
4/30/2017 7:00 AM T 0.0 M 0.0 M Threatening to do something all day! Clear, calm, 23F.
5/1/2017 7:00 AM 0.00 0.0 M M M
5/2/2017 7:00 AM 0.00 0.0 M M M
5/3/2017 7:00 AM T M M M M
5/4/2017 7:00 AM 0.00 0.0 M M M
5/5/2017 7:00 AM 0.00 0.0 M M M
5/6/2017 7:00 AM 0.00 0.0 M M M
5/7/2017 7:00 AM 0.00 0.0 M M M
5/8/2017 7:00 AM 0.13 M M M M Afternoon T Shower
5/9/2017 7:00 AM 0.28 M M M M 0.05 in early afternoon, 0.23 overnight.
5/10/2017 7:00 AM 0.42 M M M M Rain through much of the day, apparently freezing rain overnight. Funnel and gauge had a sheet of ice.
5/11/2017 7:00 AM 1.13 M M 3.0 M Power Out until ~11:30 am. Not input until 5/12.
5/12/2017 7:00 AM 0.00 0.0 M M M
5/13/2017 7:00 AM 0.00 0.0 M M M
5/14/2017 7:00 AM 0.00 0.0 M M M
5/15/2017 7:00 AM 0.00 0.0 M M M
5/16/2017 7:00 AM 0.00 0.0 M M M
5/17/2017 7:00 AM 0.04 M M M M
5/18/2017 7:00 AM 0.00 0.0 M M M
5/19/2017 7:00 AM 0.00 0.0 M M M
5/20/2017 7:00 AM 0.00 0.0 M M M
5/21/2017 7:00 AM 0.00 0.0 M M M
5/22/2017 7:00 AM 0.01 0.0 M M M
5/23/2017 7:00 AM 0.10 0.0 M M M
5/24/2017 7:00 AM 0.00 0.0 M M M
5/25/2017 7:00 AM 0.00 0.0 M M M
5/26/2017 7:00 AM 0.00 0.0 M M M
5/27/2017 7:00 AM 0.00 0.0 M M M
5/28/2017 7:00 AM 0.00 0.0 M M M
5/29/2017 7:00 AM 0.00 0.0 M M M
5/30/2017 7:00 AM 0.00 0.0 M M M
5/31/2017 7:00 AM 0.00 0.0 M M M
6/1/2017 7:00 AM 0.00 0.0 M M M
6/2/2017 7:00 AM 0.17 0.0 M M M
6/3/2017 7:00 AM 0.08 M M M M
6/4/2017 7:00 AM 0.00 0.0 M M M
6/5/2017 7:00 AM 0.01 M M M M Overnight rain.
6/6/2017 7:00 AM T 0.0 M M M
6/7/2017 7:00 AM 0.00 0.0 M M M
6/8/2017 7:00 AM 0.00 0.0 M M M
6/9/2017 7:00 AM 0.00 0.0 M M M
6/10/2017 7:00 AM 0.00 0.0 M M M
6/11/2017 7:00 AM 0.00 0.0 M M M
6/12/2017 7:00 AM 0.00 0.0 M M M
6/13/2017 7:00 AM 0.00 0.0 M M M
6/14/2017 7:00 AM 0.00 0.0 M M M
6/15/2017 7:00 AM 0.00 0.0 M M M
6/16/2017 7:00 AM 0.00 0.0 M M M
6/17/2017 7:00 AM 0.00 0.0 M M M
6/18/2017 7:00 AM 0.00 0.0 M M M
6/19/2017 7:00 AM 0.00 0.0 M M M
6/20/2017 7:00 AM 0.00 0.0 M M M
6/21/2017 7:00 AM 0.00 0.0 M M M
6/22/2017 7:00 AM 0.01 0.0 M M M
6/23/2017 7:00 AM 0.00 0.0 M M M
6/24/2017 7:00 AM 0.00 0.0 M M M
6/25/2017 7:00 AM 0.00 0.0 M M M
6/26/2017 7:00 AM 0.00 0.0 M M M
6/27/2017 7:00 AM 0.00 0.0 M M M
6/28/2017 7:00 AM T M M M M Big drop sprinkles about 3 pm.
6/29/2017 7:00 AM 0.00 0.0 M M M
6/30/2017 7:00 AM 0.00 0.0 M M M
7/1/2017 7:00 AM 0.00 0.0 M M M
7/2/2017 7:00 AM 0.00 0.0 M M M
7/3/2017 7:00 AM 0.00 0.0 M M M
7/4/2017 7:00 AM 0.00 0.0 M M M
7/5/2017 7:00 AM T 0.0 M M M
7/6/2017 7:00 AM 0.23 M M M M
7/7/2017 7:00 AM 0.00 0.0 M M M
7/8/2017 7:00 AM 0.12 M M M M
7/9/2017 7:00 AM 0.00 0.0 M M M
7/10/2017 7:00 AM 0.00 0.0 M M M
7/11/2017 7:00 AM 0.37 M M M M T Storm about 5pm. Not observed.
7/12/2017 7:00 AM 0.01 M M M M Mid afternoon sprinkles
7/13/2017 7:00 AM 0.01 M M M M
7/14/2017 7:00 AM 0.06 M M M M
7/15/2017 7:00 AM 0.31 M M M M
7/16/2017 7:00 AM 0.50 M M M M
7/17/2017 7:00 AM 0.88 M M M M We were gone from 5pm to 7pm. Not raining when we returned but rain w/ street flooding had occurred. Zapata Falls Road, 2 miles south trashed -- obviously heavier rain in that area. Heavy rains observed on Mt Blanca and Sangre de Cristo Mtns east of Ft Garland.
7/18/2017 7:00 AM 0.07 M M M M Mid afternoon T-shower from front range upslope winds. (E wind bringing weather over SdCs onto west slope of mtns.)
7/19/2017 7:00 AM 0.08 M M M M
7/20/2017 7:00 AM 0.00 0.0 M M M
7/21/2017 7:00 AM 0.00 0.0 M M M
7/22/2017 7:00 AM 0.02 M M M M
7/23/2017 7:00 AM 0.10 M M M M
7/24/2017 7:00 AM 0.00 0.0 M M M
7/25/2017 7:00 AM 0.00 0.0 M M M
7/26/2017 7:00 AM 0.11 M M M M
7/27/2017 7:00 AM 0.00 0.0 M M M
7/28/2017 7:00 AM 0.49 M M M M
7/29/2017 7:00 AM 0.22 M M M M Nice, soaking rain part of the night.
7/30/2017 7:00 AM 0.23 M M M M Rain started at midnight then soaking rain for much of the night.
7/31/2017 7:00 AM 0.05 M M M M
8/1/2017 7:00 AM 0.00 0.0 M M M
8/2/2017 7:00 AM 0.00 0.0 M M M
8/3/2017 7:00 AM 0.02 M M M M
8/4/2017 7:00 AM 0.11 M M M M Rain in the morning -- then late afternoon. Times not noted.
8/5/2017 7:00 AM 0.00 0.0 M M M
8/6/2017 7:00 AM 0.00 0.0 M M M
8/7/2017 7:00 AM 0.01 M M M M
8/8/2017 7:00 AM 0.55 M M M M Afternoon monsoon!
8/9/2017 7:00 AM T M M M M
8/10/2017 7:00 AM 0.01 M M M M
8/11/2017 7:00 AM T 0.0 M M M Forgot that I got sprinkled on while walking the dogs. Not enough to show in the gauge.
8/12/2017 7:00 AM 0.09 M M M M
8/13/2017 7:00 AM 0.00 0.0 M M M
8/14/2017 7:00 AM 0.03 M M M M
8/15/2017 7:00 AM 0.21 M M M M
8/16/2017 7:00 AM 0.00 0.0 M M M
8/17/2017 7:00 AM 0.00 0.0 M M M
8/18/2017 7:00 AM 0.00 0.0 M M M
8/19/2017 7:00 AM 0.00 0.0 M M M
8/20/2017 7:00 AM 0.00 0.0 M M M
8/21/2017 7:00 AM 0.00 0.0 M M M
8/22/2017 7:00 AM T M M M M
8/23/2017 7:00 AM 0.05 M M M M Big T-storm over Mt Blanca. We received some of the slop-over. Surprisingly, no increased flow in Ute Creek this morning.
8/24/2017 7:00 AM 0.00 0.0 M M M
8/25/2017 7:00 AM 0.00 0.0 M M M
8/26/2017 7:00 AM 0.00 0.0 M M M
8/27/2017 7:00 AM 0.00 0.0 M M M
8/28/2017 7:00 AM 0.08 M M M M
8/29/2017 7:00 AM 0.00 0.0 M M M
8/30/2017 7:00 AM 0.01 0.0 M M M
8/31/2017 7:00 AM 0.13 M M M M
9/1/2017 7:00 AM T M M M M
9/2/2017 7:00 AM 0.00 0.0 M M M
9/3/2017 7:00 AM 0.00 0.0 M M M
9/4/2017 7:00 AM 0.00 0.0 M M M
9/5/2017 7:00 AM 0.00 0.0 M M M
9/6/2017 7:00 AM 0.00 0.0 M M M
9/7/2017 7:00 AM 0.00 0.0 M M M
9/8/2017 7:00 AM 0.00 0.0 M M M
9/9/2017 7:00 AM 0.00 0.0 M M M
9/10/2017 7:00 AM 0.00 0.0 M M M
9/11/2017 7:00 AM 0.00 0.0 M M M
9/12/2017 7:00 AM 0.05 M M M M
9/13/2017 7:00 AM 0.18 M M M M
9/14/2017 7:00 AM T M M M M
9/15/2017 7:00 AM 0.05 0.0 M M M
9/16/2017 7:00 AM 0.00 0.0 M M M
9/17/2017 7:00 AM 0.00 0.0 M M M
9/18/2017 7:00 AM 0.12 M M M M
9/19/2017 7:00 AM 0.00 0.0 M M M
9/20/2017 7:00 AM 0.00 0.0 M M M
9/21/2017 7:00 AM 0.00 0.0 M M M
9/22/2017 7:00 AM 0.00 0.0 M M M
9/23/2017 7:00 AM 0.09 M M M M
9/24/2017 7:00 AM 0.47 M M M M Rain from late afternoon until about midnight(?). Snow on Sangre de Cristo Mtns above ~11,000 ft. Potato Harvest shut down until fields dry out!
9/25/2017 7:00 AM 0.00 0.0 M M M
9/26/2017 7:00 AM 0.00 0.0 M M M 28F this morning!
9/27/2017 7:00 AM 0.38 M M M M Overnight rain. Snow on Sangres; California Peak snow above ~10,500.
9/28/2017 7:00 AM 0.70 M M M M Soaking rain most of the night.
9/29/2017 7:00 AM 0.39 M M M M Overnight rain
9/30/2017 7:00 AM 0.11 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
2/4/2017 2/20/2017 4:30 PM 17 M T M 4" tube dry. Ground cover snow is gone - only snow in shaded areas.



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