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 12 0.83 0.51 31 0.47 24 0.04 7 1 1 1 0.0 0 0
Nov 12 0.39 0.12 30 0.12 30 0.00 0 0 2 1 0.0 0 0
Dec 12 0.34 0.56 31 0.56 31 0.00 0 0 8 1 10.3 8 18
Jan 13 0.37 0.37 31 0.37 31 0.00 0 0 4 0 7.0 2 30
Feb 13 0.37 0.00 28 0.00 4 0.00 24 1 0 0 0.0 0 4
March 13 0.79 0.53 31 0.53 31 0.00 0 0 6 1 4.5 2 3
April 13 0.97 0.43 30 0.43 30 0.00 0 0 5 5 3.0 2 2
May 13 0.97 0.57 31 0.57 31 0.00 0 0 8 1 0.0 0 0
June 13 1.17 0.01 30 0.01 28 0.00 2 0 1 1 0.0 0 0
July 13 1.45 2.70 32 0.90 17 1.80 15 3 4 3 0.0 0 0
Aug 13 1.94 1.27 31 1.13 27 0.14 4 1 12 6 0.0 0 0
Sept 13 1.50 3.75 30 3.19 27 0.56 3 1 12 2 0.0 0 0
Water Year Totals: 11.09" 10.82" 366 days 8.28" 311 2.54" 55 days 7 63 days 22 days 24.8" 14 days 57 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2012 **
10/2/2012 **
10/3/2012 **
10/4/2012 **
10/5/2012 **
10/6/2012 **
10/7/2012 0.04
10/8/2012 0.00
10/9/2012 0.00
10/10/2012 0.00
10/11/2012 0.00
10/12/2012 0.00
10/13/2012 0.47
10/14/2012 T
10/15/2012 0.00
10/16/2012 0.00
10/17/2012 0.00
10/18/2012 0.00
10/19/2012 0.00
10/20/2012 0.00
10/21/2012 0.00
10/22/2012 0.00
10/23/2012 0.00
10/24/2012 0.00
10/25/2012 0.00
10/26/2012 0.00
10/27/2012 0.00
10/28/2012 0.00
10/29/2012 0.00
10/30/2012 0.00
10/31/2012 0.00
11/1/2012 0.00
11/2/2012 0.00
11/3/2012 0.00
11/4/2012 0.00
11/5/2012 0.00
11/6/2012 0.00
11/7/2012 0.00
11/8/2012 0.00
11/9/2012 0.00
11/10/2012 0.08
11/11/2012 0.04
11/12/2012 T
11/13/2012 0.00
11/14/2012 0.00
11/15/2012 0.00
11/16/2012 0.00
11/17/2012 0.00
11/18/2012 0.00
11/19/2012 0.00
11/20/2012 0.00
11/21/2012 0.00
11/22/2012 0.00
11/23/2012 0.00
11/24/2012 0.00
11/25/2012 0.00
11/26/2012 0.00
11/27/2012 0.00
11/28/2012 0.00
11/29/2012 0.00
11/30/2012 0.00
12/1/2012 0.00
12/2/2012 0.00
12/3/2012 0.00
12/4/2012 0.00
12/5/2012 0.00
12/6/2012 0.00
12/7/2012 0.00
12/8/2012 0.00
12/9/2012 0.04
12/10/2012 0.14
12/11/2012 0.00
12/12/2012 0.00
12/13/2012 0.00
12/14/2012 0.02
12/15/2012 0.07
12/16/2012 0.11
12/17/2012 0.00
12/18/2012 0.00
12/19/2012 0.02
12/20/2012 0.14
12/21/2012 0.00
12/22/2012 0.00
12/23/2012 0.00
12/24/2012 0.00
12/25/2012 T
12/26/2012 0.00
12/27/2012 0.00
12/28/2012 0.00
12/29/2012 0.00
12/30/2012 0.00
12/31/2012 0.02
Day of YearDaily PrcpMultiday Prcp
1/1/2013 0.19
1/2/2013 0.00
1/3/2013 0.00
1/4/2013 0.00
1/5/2013 0.00
1/6/2013 0.00
1/7/2013 0.00
1/8/2013 0.00
1/9/2013 0.00
1/10/2013 0.00
1/11/2013 0.00
1/12/2013 0.00
1/13/2013 0.00
1/14/2013 0.01
1/15/2013 0.00
1/16/2013 0.00
1/17/2013 0.00
1/18/2013 0.00
1/19/2013 0.00
1/20/2013 0.00
1/21/2013 0.00
1/22/2013 0.00
1/23/2013 0.00
1/24/2013 0.00
1/25/2013 0.00
1/26/2013 0.00
1/27/2013 0.13
1/28/2013 0.00
1/29/2013 0.00
1/30/2013 0.04
1/31/2013 0.00
2/1/2013 0.00
2/2/2013 0.00
2/3/2013 0.00
2/4/2013 0.00
2/5/2013 **
2/6/2013 **
2/7/2013 **
2/8/2013 **
2/9/2013 **
2/10/2013 **
2/11/2013 **
2/12/2013 **
2/13/2013 **
2/14/2013 **
2/15/2013 **
2/16/2013 **
2/17/2013 **
2/18/2013 **
2/19/2013 **
2/20/2013 **
2/21/2013 **
2/22/2013 **
2/23/2013 **
2/24/2013 **
2/25/2013 **
2/26/2013 **
2/27/2013 **
2/28/2013 T
3/1/2013 0.00
3/2/2013 0.00
3/3/2013 0.00
3/4/2013 0.00
3/5/2013 0.03
3/6/2013 0.00
3/7/2013 0.00
3/8/2013 0.00
3/9/2013 0.02
3/10/2013 0.18
3/11/2013 0.00
3/12/2013 0.00
3/13/2013 0.00
3/14/2013 0.00
3/15/2013 0.00
3/16/2013 0.00
3/17/2013 0.05
3/18/2013 T
3/19/2013 0.00
3/20/2013 0.00
3/21/2013 0.00
3/22/2013 0.07
3/23/2013 0.00
3/24/2013 0.18
3/25/2013 0.00
3/26/2013 0.00
3/27/2013 0.00
3/28/2013 0.00
3/29/2013 0.00
3/30/2013 0.00
3/31/2013 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2013 0.00
4/2/2013 0.00
4/3/2013 0.02
4/4/2013 T
4/5/2013 0.00
4/6/2013 0.00
4/7/2013 0.00
4/8/2013 0.00
4/9/2013 T
4/10/2013 0.11
4/11/2013 T
4/12/2013 0.00
4/13/2013 0.00
4/14/2013 0.00
4/15/2013 0.15
4/16/2013 0.00
4/17/2013 0.00
4/18/2013 0.14
4/19/2013 0.01
4/20/2013 0.00
4/21/2013 0.00
4/22/2013 0.00
4/23/2013 0.00
4/24/2013 T
4/25/2013 0.00
4/26/2013 T
4/27/2013 0.00
4/28/2013 0.00
4/29/2013 0.00
4/30/2013 0.00
5/1/2013 0.00
5/2/2013 0.00
5/3/2013 0.00
5/4/2013 0.00
5/5/2013 0.00
5/6/2013 0.00
5/7/2013 0.15
5/8/2013 0.16
5/9/2013 0.01
5/10/2013 0.09
5/11/2013 0.00
5/12/2013 0.03
5/13/2013 0.00
5/14/2013 T
5/15/2013 0.04
5/16/2013 0.06
5/17/2013 0.00
5/18/2013 0.00
5/19/2013 0.00
5/20/2013 0.03
5/21/2013 0.00
5/22/2013 0.00
5/23/2013 0.00
5/24/2013 0.00
5/25/2013 0.00
5/26/2013 0.00
5/27/2013 0.00
5/28/2013 0.00
5/29/2013 0.00
5/30/2013 0.00
5/31/2013 0.00
6/1/2013 0.00
6/2/2013 0.00
6/3/2013 0.00
6/4/2013 0.00
6/5/2013 0.00
6/6/2013 0.00
6/7/2013 T
6/8/2013 0.00
6/9/2013 0.00
6/10/2013 0.00
6/11/2013 0.00
6/12/2013 0.00
6/13/2013 0.00
6/14/2013 0.00
6/15/2013 0.00
6/16/2013 0.00
6/17/2013 0.00
6/18/2013 0.01
6/19/2013 0.00
6/20/2013 0.00
6/21/2013 0.00
6/22/2013 0.00
6/23/2013 0.00
6/24/2013 0.00
6/25/2013 0.00
6/26/2013 0.00
6/27/2013 0.00
6/28/2013 0.00
6/29/2013 **
6/30/2013 **
Day of YearDaily PrcpMultiday Prcp
7/1/2013 **
7/2/2013 0.34
7/3/2013 0.00
7/4/2013 0.00
7/5/2013 T
7/6/2013 T **
7/7/2013 **
7/8/2013 **
7/9/2013 **
7/10/2013 **
7/11/2013 **
7/12/2013 **
7/13/2013 **
7/14/2013 **
7/15/2013 **
7/16/2013 1.32
7/17/2013 0.00
7/18/2013 0.00
7/19/2013 T
7/20/2013 0.31
7/21/2013 0.23
7/22/2013 0.00
7/23/2013 0.00
7/24/2013 0.00
7/25/2013 0.32
7/26/2013 0.00
7/27/2013 0.04
7/28/2013 **
7/29/2013 0.14
7/30/2013 0.00
7/31/2013 0.00
8/1/2013 0.00
8/2/2013 0.08
8/3/2013 0.00
8/4/2013 0.01
8/5/2013 0.04
8/6/2013 0.02
8/7/2013 0.06
8/8/2013 0.23
8/9/2013 0.09
8/10/2013 0.02
8/11/2013 **
8/12/2013 0.14
8/13/2013 0.04
8/14/2013 0.00
8/15/2013 0.00
8/16/2013 T
8/17/2013 0.00
8/18/2013 0.00
8/19/2013 0.20
8/20/2013 T
8/21/2013 0.00
8/22/2013 0.29
8/23/2013 T
8/24/2013 0.00
8/25/2013 T
8/26/2013 T
8/27/2013 0.00
8/28/2013 T
8/29/2013 0.05
8/30/2013 **
8/31/2013 **
9/1/2013 **
9/2/2013 **
9/3/2013 0.56
9/4/2013 0.02
9/5/2013 0.02
9/6/2013 0.00
9/7/2013 0.00
9/8/2013 0.08
9/9/2013 0.00
9/10/2013 0.03
9/11/2013 0.20
9/12/2013 0.02
9/13/2013 1.20
9/14/2013 0.08
9/15/2013 0.05
9/16/2013 0.30
9/17/2013 0.00
9/18/2013 0.00
9/19/2013 0.28
9/20/2013 T
9/21/2013 0.00
9/22/2013 0.00
9/23/2013 0.91
9/24/2013 0.00
9/25/2013 0.00
9/26/2013 0.00
9/27/2013 0.00
9/28/2013 T
9/29/2013 0.00
9/30/2013 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/8/2012 7:00 AM 0.00 0.0 M M M
10/9/2012 7:00 AM 0.00 0.0 M M M
10/10/2012 7:00 AM 0.00 0.0 M M M
10/11/2012 7:00 AM 0.00 0.0 M M M
10/12/2012 7:00 AM 0.00 0.0 M M M
10/13/2012 7:00 AM 0.47 M M M M Rain bands passed through sporadically all day. Nice looking snow above 11,000 feet in Sangre de Cristos.
10/14/2012 7:00 AM T 0.0 M 0.0 M Angels dandruff snow - light occasional flakes most of the morning. No accumulation. Melted as soon as they hit the ground.
10/15/2012 7:00 AM 0.00 0.0 M M M
10/16/2012 7:00 AM 0.00 0.0 M M M
10/17/2012 7:00 AM 0.00 0.0 M M M
10/18/2012 7:00 AM 0.00 0.0 M M M
10/19/2012 7:00 AM 0.00 0.0 M M M
10/20/2012 7:00 AM 0.00 0.0 M M M
10/21/2012 7:00 AM 0.00 0.0 M M M
10/22/2012 7:00 AM 0.00 0.0 M M M
10/23/2012 7:00 AM 0.00 0.0 M M M
10/24/2012 7:00 AM 0.00 0.0 M M M Windy!!
10/25/2012 7:00 AM 0.00 0.0 M M M
10/26/2012 7:00 AM 0.00 0.0 M M M
10/27/2012 7:00 AM 0.00 0.0 M M M
10/28/2012 7:00 AM 0.00 0.0 M M M
10/29/2012 7:00 AM 0.00 0.0 M M M
10/30/2012 7:00 AM 0.00 0.0 M M M
10/31/2012 7:00 AM 0.00 0.0 M M M
11/1/2012 7:00 AM 0.00 0.0 M M M
11/2/2012 7:00 AM 0.00 0.0 M M M
11/3/2012 7:00 AM 0.00 0.0 M M M
11/4/2012 7:00 AM 0.00 0.0 M M M
11/5/2012 7:00 AM 0.00 0.0 M M M
11/6/2012 7:00 AM 0.00 0.0 M M M
11/7/2012 7:00 AM 0.00 0.0 M M M
11/8/2012 7:00 AM 0.00 0.0 M M M
11/9/2012 7:00 AM 0.00 0.0 M M M
11/10/2012 7:00 AM 0.08 0.0 M 0.0 M Windy, overcast. Snow down to 9500 ft on California Peak, northern Sangres. Minor rain squalls off mountains.
11/11/2012 7:00 AM 0.04 0.0 M 0.0 M Took a while to melt the ice in the 4" tube and funnel. 30 minute rain/sleet/snow at 8am. Threatening for rest of day.
11/12/2012 7:00 AM T 0.0 M 0.0 M
11/13/2012 7:00 AM 0.00 0.0 M M M
11/14/2012 7:00 AM 0.00 0.0 M M M
11/15/2012 7:00 AM 0.00 0.0 M M M
11/16/2012 7:00 AM 0.00 0.0 M M M
11/17/2012 7:00 AM 0.00 0.0 M M M
11/18/2012 7:00 AM 0.00 0.0 M M M
11/19/2012 7:00 AM 0.00 0.0 M M M
11/20/2012 7:00 AM 0.00 0.0 M M M
11/21/2012 7:00 AM 0.00 0.0 M M M
11/22/2012 7:00 AM 0.00 0.0 M M M
11/23/2012 7:00 AM 0.00 0.0 M M M
11/24/2012 7:00 AM 0.00 0.0 M M M
11/25/2012 7:00 AM 0.00 0.0 M M M
11/26/2012 7:00 AM 0.00 0.0 M M M
11/27/2012 7:00 AM 0.00 0.0 M M M
11/28/2012 7:00 AM 0.00 0.0 M M M
11/29/2012 7:00 AM 0.00 0.0 M M M
11/30/2012 7:00 AM 0.00 0.0 M M M
12/1/2012 7:00 AM 0.00 0.0 M M M
12/2/2012 7:00 AM 0.00 0.0 M M M
12/3/2012 7:00 AM 0.00 0.0 M M M
12/4/2012 7:00 AM 0.00 0.0 M M M
12/5/2012 7:00 AM 0.00 0.0 M M M
12/6/2012 7:00 AM 0.00 0.0 M M M
12/7/2012 7:00 AM 0.00 0.0 M M M
12/8/2012 7:00 AM 0.00 0.0 M M M
12/9/2012 7:00 AM 0.04 0.1 M 0.1 M Snowing. Started 6:15 - 6:30am. Fine, powdered sugar snow changing to medium sized flakes about 7:am.
12/10/2012 7:00 AM 0.14 2.0 M 2.0 M Clear & cold. -8F. Dry snow.
12/11/2012 7:00 AM 0.00 0.0 M M M Clear COLD -14F
12/12/2012 7:00 AM 0.00 0.0 M M M Clear cold -10F
12/13/2012 7:00 AM 0.00 0.0 M M M -6F
12/14/2012 7:00 AM 0.02 0.8 M 1.5 M Snow overnight. 12F Overcast
12/15/2012 7:00 AM 0.07 2.5 M 4.5 M Snow squalls throughout day into mid-afternoon. 12F now.
12/16/2012 7:00 AM 0.11 2.5 M 4.5 M Surprise snow overnight. 0F now.
12/17/2012 7:00 AM 0.00 0.0 M 4.2 M
12/18/2012 7:00 AM 0.00 0.0 M M M
12/19/2012 7:00 AM 0.02 0.1 M 4.0 M Snow overnight.
12/20/2012 7:00 AM 0.14 2.0 M 6.0 M Snow squalls most of the day. At times visibility was down to less than 1/4 mile. Currently clear, cold, -20°F.
12/21/2012 7:00 AM 0.00 0.0 M 6.0 M Clear, cold. -20°
12/22/2012 7:00 AM 0.00 0.0 M 6.0 M -10°, overcast
12/23/2012 7:00 AM 0.00 0.0 M M M
12/24/2012 7:00 AM 0.00 0.0 M 6.0 M overcast 0° calm
12/25/2012 7:00 AM T T M 6.0 M Trace of Snow Overnight. +6F Clear Calm. Merry Christmas.
12/26/2012 7:00 AM 0.00 0.0 M 6.0 M Partly cloudy, 0°
12/27/2012 7:00 AM 0.00 0.0 M 6.0 M Clear, calm, 0°F
12/28/2012 7:00 AM 0.00 0.0 M 6.0 M Partial overcast, cold, -3°F currently.
12/29/2012 7:00 AM 0.00 0.0 M 6.0 M Clear, calm -20°F
12/30/2012 7:00 AM 0.00 0.0 M 6.0 M Partial overcast, -5F
12/31/2012 7:00 AM 0.02 0.3 M 6.0 M Snow overnight. Overcast -2°F
1/1/2013 7:00 AM 0.19 5.0 M 10.0 M Snow showers most of the day & into night. Current - overcast, calm, +1F
1/2/2013 7:00 AM 0.00 0.0 M 10.0 M Clear, calm -23°F. Ice fog covering valley floor.
1/3/2013 7:00 AM 0.00 0.0 M 10.0 M Clear, cold, -23°F
1/4/2013 7:00 AM 0.00 0.0 M 10.0 M Clear, cold -26°
1/5/2013 7:00 AM 0.00 0.0 M 10.0 M Clear, cold, -24°F. Ice fog on valley floor.
1/6/2013 7:00 AM 0.00 0.0 M 10.0 M Clear -18°
1/7/2013 7:00 AM 0.00 0.0 M 10.0 M Partly cloudy -10°
1/8/2013 7:00 AM 0.00 0.0 M 10.0 M Clear -10°
1/9/2013 7:00 AM 0.00 0.0 M 9.0 M Clear, heat wave. -8°
1/10/2013 7:00 AM 0.00 0.0 M 9.0 M Overcast. Valley ice fog. -10°
1/11/2013 7:00 AM 0.00 0.0 M 8.5 M Windy, partly cloudy. 13F!!!
1/12/2013 7:00 AM 0.00 0.0 M 9.0 M Clear calm -27°
1/13/2013 7:00 AM 0.00 0.0 M 9.0 M Clear calm -25°
1/14/2013 7:00 AM 0.01 T M 8.0 M Overcast, calm. -14° Skiff of snow overnight.
1/15/2013 7:00 AM 0.00 0.0 M 8.0 M Clear, cold -24°
1/16/2013 7:00 AM 0.00 0.0 M 8.0 M Clear, calm, -14°
1/17/2013 7:00 AM 0.00 0.0 M 7.0 M Clear -10°
1/18/2013 7:00 AM 0.00 0.0 M 6.0 M Clear -12°
1/19/2013 7:00 AM 0.00 0.0 M 6.0 M Clear -10°
1/20/2013 7:00 AM 0.00 0.0 M 6.0 M Clear -13°
1/21/2013 7:00 AM 0.00 0.0 M M M
1/22/2013 7:00 AM 0.00 0.0 M 6.0 M Clear -6°
1/23/2013 7:00 AM 0.00 0.0 M 5.0 M Clear -11°
1/24/2013 7:00 AM 0.00 0.0 M 4.5 M Clear -3°
1/25/2013 7:00 AM 0.00 0.0 M 4.0 M Wow! 17° Above zero! High yesterday near freezing. Currently overcast & calm.
1/26/2013 7:00 AM 0.00 0.0 M 4.0 M Partly cloudy, 10°
1/27/2013 7:00 AM 0.13 0.0 M 2.0 M Snow, rain, sleet, slush - but not very mush. Snow pack melted in rain and above freezing temps.
1/28/2013 7:00 AM 0.00 0.0 M 1.5 M Windy, partly cloudy. Above freezing temps yesterday continued to melt groundcover snow.
1/29/2013 7:00 AM 0.00 0.0 M 1.5 M Breezy, partly cloudy, 12F
1/30/2013 7:00 AM 0.04 2.0 M 4.0 M Snow squalls started about 8am ending about 3pm. Light, fluffy snow on top of iced snow. Little moisture content.
1/31/2013 7:00 AM 0.00 0.0 M 2.0 M Scattered clouds. Calm. 7F.
2/1/2013 7:00 AM 0.00 0.0 M 1.5 M Clear 3F.
2/2/2013 7:00 AM 0.00 0.0 M 1.0 M Clear 5F
2/3/2013 7:00 AM 0.00 0.0 M 0.5 M Overcast 0°F
2/4/2013 7:00 AM 0.00 0.0 M 0.5 M Clear 10F
3/1/2013 7:00 AM 0.00 0.0 M M M
3/2/2013 7:00 AM 0.00 0.0 M T M
3/3/2013 7:00 AM 0.00 0.0 M T M
3/4/2013 7:00 AM 0.00 0.0 M T M
3/5/2013 7:00 AM 0.03 T M T M Snow for about 20 minutes. The sun was out an hour later. New snow was gone shortly except in shade.
3/6/2013 7:00 AM 0.00 0.0 M M M
3/7/2013 7:00 AM 0.00 0.0 M M M
3/8/2013 7:00 AM 0.00 0.0 M M M
3/9/2013 7:00 AM 0.02 T M T M Wind & snow overnight. Trace accumulation. Still measurable snow in shady areas.
3/10/2013 7:00 AM 0.18 0.5 M 0.5 M Overcast & snowing most of the day. Dry snow, not the typical wet spring snow. About 1½" total where protected from the ground heat. Clear & sunny this am.
3/11/2013 7:00 AM 0.00 0.0 M M M
3/12/2013 7:00 AM 0.00 0.0 M M M
3/13/2013 7:00 AM 0.00 0.0 M M M
3/14/2013 7:00 AM 0.00 0.0 M M M
3/15/2013 7:00 AM 0.00 0.0 M M M
3/16/2013 7:00 AM 0.00 0.0 M 0.0 M If you hunt, you can still find a few patches of snow/ice in well shaded places.
3/17/2013 7:00 AM 0.05 0.0 M 0.0 M Rain w/ a few flakes.
3/18/2013 7:00 AM T T M T M Thundersnow squall about 11am. Lasted 10 minutes.
3/19/2013 7:00 AM 0.00 0.0 M 0.0 M
3/20/2013 7:00 AM 0.00 0.0 M M M
3/21/2013 7:00 AM 0.00 0.0 M M M
3/22/2013 7:00 AM 0.07 0.0 M 0.0 M Thundersnow - grapple up to pea size for about 20 minutes.
3/23/2013 7:00 AM 0.00 0.0 M M M
3/24/2013 7:00 AM 0.18 4.0 M 4.0 M Snow most of the day. Apparently mostly upslope snow. Snow in Ft. Garland decreasing to almost zero by 3 miles south. No snow in Alamosa.
3/25/2013 7:00 AM 0.00 0.0 M 2.0 M -3F
3/26/2013 7:00 AM 0.00 0.0 M T M
3/27/2013 7:00 AM 0.00 0.0 M T M
3/28/2013 7:00 AM 0.00 0.0 M 0.0 M Snow from last storm totally gone.
3/29/2013 7:00 AM 0.00 0.0 M M M
3/30/2013 7:00 AM 0.00 0.0 M M M
3/31/2013 7:00 AM 0.00 0.0 M M M
4/1/2013 7:00 AM 0.00 0.0 M M M
4/2/2013 7:00 AM 0.00 0.0 M M M
4/3/2013 7:00 AM 0.02 T M T M Snow overnight. Looks like it's done for the day.
4/4/2013 7:00 AM T 0.0 M 0.0 M Occasional flakes off and on all morning.
4/5/2013 7:00 AM 0.00 0.0 M M M
4/6/2013 7:00 AM 0.00 0.0 M M M
4/7/2013 7:00 AM 0.00 0.0 M M M
4/8/2013 7:00 AM 0.00 0.0 M M M
4/9/2013 7:00 AM T 0.0 M 0.0 M Trace of rain or snow overnight. Puddles on the sidewalk this morning, but only a few drops out of 4" tube - not even close to anything measurable. A few flakes blowing around at 7am.
4/10/2013 7:00 AM 0.11 1.0 M 1.0 M Snowing at observation time. About 3/4 in. on the ground - melting from ground heat. About 1 in. on insulated surface.
4/11/2013 7:00 AM T 0.0 M 0.0 M Snowing lightly at observations time yesterday. Stopped by 9:30a. All gone by late afternoon. Cold 10F now.
4/12/2013 7:00 AM 0.00 0.0 M M M
4/13/2013 7:00 AM 0.00 0.0 M M M
4/14/2013 7:00 AM 0.00 0.0 M M M Heavy overcast, breezy
4/15/2013 7:00 AM 0.15 0.0 M 0.0 M Snow started about 7:30, by 8 was snowing heavily for next few hours - melting from ground heat, but about 7 inches where insulated. I thought I'd have enough for my first snow core of WY2013. Stopped snowing about 2:30 - the sun came out, and it was all gone by 5pm!
4/16/2013 7:00 AM 0.00 0.0 M M M
4/17/2013 7:00 AM 0.00 0.0 M M M
4/18/2013 7:00 AM 0.14 2.0 M 2.0 M Snowing at 7am. Cold 10F.
4/19/2013 7:00 AM 0.01 0.0 M T M Cold 6F clear.
4/20/2013 7:00 AM 0.00 0.0 M M M
4/21/2013 7:00 AM 0.00 0.0 M M M
4/22/2013 7:00 AM 0.00 0.0 M M M
4/23/2013 7:00 AM 0.00 0.0 M M M
4/24/2013 7:00 AM T 0.0 M 0.0 M Occasional snow flakes through much of the day. Never any threat of accumulation. Cold 8° at observation.
4/25/2013 7:00 AM 0.00 0.0 M M M
4/26/2013 7:00 AM T M M M M Rain - sprinkles for about 15 minutes.
4/27/2013 7:00 AM 0.00 0.0 M M M
4/28/2013 7:00 AM 0.00 0.0 M M M
4/29/2013 7:00 AM 0.00 0.0 M M M
4/30/2013 7:00 AM 0.00 0.0 M M M
5/1/2013 7:00 AM 0.00 0.0 M M M
5/2/2013 7:00 AM 0.00 0.0 M M M WINDY Yesterday. COLD this morning. 5°F.
5/3/2013 7:00 AM 0.00 0.0 M M M Another cold morning - 10F
5/4/2013 7:00 AM 0.00 0.0 M M M
5/5/2013 7:00 AM 0.00 0.0 M M M
5/6/2013 7:00 AM 0.00 0.0 M M M
5/7/2013 7:00 AM 0.15 M M M M Drizzle & spit most of day - but no snow in mix. Put funnel on to in evening and the inner tube installed this morning.
5/8/2013 7:00 AM 0.16 M M M M Mostly overnight. Trace before dark.
5/9/2013 7:00 AM 0.01 M M M M
5/10/2013 7:00 AM 0.09 0.0 M 0.0 M Mixed snow and rain, mostly in the morning.
5/11/2013 7:00 AM 0.00 0.0 M M M
5/12/2013 7:00 AM 0.03 M M M M
5/13/2013 7:00 AM 0.00 0.0 M M M
5/14/2013 7:00 AM T M M M M
5/15/2013 7:00 AM 0.04 M M M M
5/16/2013 7:00 AM 0.06 M M M M
5/17/2013 7:00 AM 0.00 0.0 M M M
5/18/2013 7:00 AM 0.00 0.0 M M M
5/19/2013 7:00 AM 0.00 0.0 M M M
5/20/2013 7:00 AM 0.03 M M M M
5/21/2013 7:00 AM 0.00 0.0 M M M
5/22/2013 7:00 AM 0.00 0.0 M M M
5/23/2013 7:00 AM 0.00 0.0 M M M
5/24/2013 7:00 AM 0.00 0.0 M M M
5/25/2013 7:00 AM 0.00 0.0 M M M
5/26/2013 7:00 AM 0.00 0.0 M M M
5/27/2013 7:00 AM 0.00 0.0 M M M
5/28/2013 7:00 AM 0.00 0.0 M M M
5/29/2013 7:00 AM 0.00 0.0 M M M
5/30/2013 7:00 AM 0.00 0.0 M M M
5/31/2013 7:00 AM 0.00 0.0 M M M
6/1/2013 7:00 AM 0.00 0.0 M M M
6/2/2013 7:00 AM 0.00 0.0 M M M
6/3/2013 7:00 AM 0.00 0.0 M M M
6/4/2013 7:00 AM 0.00 0.0 M M M
6/5/2013 7:00 AM 0.00 0.0 M M M
6/6/2013 7:00 AM 0.00 0.0 M M M
6/7/2013 7:00 AM T M M M M Rain on the mountains to the east. Got spit on here. Note enough to wet the gage.
6/8/2013 7:00 AM 0.00 0.0 M M M
6/9/2013 7:00 AM 0.00 0.0 M M M
6/10/2013 7:00 AM 0.00 0.0 M M M
6/11/2013 7:00 AM 0.00 0.0 M M M
6/12/2013 7:00 AM 0.00 0.0 M M M
6/13/2013 7:00 AM 0.00 0.0 M M M
6/14/2013 7:00 AM 0.00 0.0 M M M
6/15/2013 7:00 AM 0.00 0.0 M M M
6/16/2013 7:00 AM 0.00 0.0 M M M Heavy Smoke from the NM fires
6/17/2013 7:00 AM 0.00 0.0 M M M
6/18/2013 7:00 AM 0.01 M M M M
6/19/2013 7:00 AM 0.00 0.0 M M M
6/20/2013 7:00 AM 0.00 0.0 M M M Huge Smoke plume from West Fork Complex fire west of Continental Divide (toward Pagosa Springs) made it look like fire is/was much closer. Amazing Pyrocumulus development all afternoon. Otherwise sky was nearly cloud free. Smoke from East Mountain Fire (east of La Veta) became visible/notable from Ft. Garland area in evening as that fire exploded.
6/21/2013 7:00 AM 0.00 0.0 M M M
6/22/2013 7:00 AM 0.00 0.0 M M M Wind direction changed. We are getting heavy smoke from West Fork Fire.
6/23/2013 7:00 AM 0.00 0.0 M M M Continued smoky from West Fork Complex fire. Yesterday the smoke was too thick to see the source plumes.
6/24/2013 7:00 AM 0.00 0.0 M M M
6/25/2013 7:00 AM 0.00 0.0 M M M
6/26/2013 7:00 AM 0.00 0.0 M M M Heavy smoke from the West Fork Complex Fire throughout the day.
6/27/2013 7:00 AM 0.00 0.0 M M M
6/28/2013 7:00 AM 0.00 0.0 M M M Amazing sheet lightning storm to the east, high winds here. Lightning in Wet Mtn Valley & Walsenburg - La Veta area. Last thing they need is lightning without rain! Smoke from West Fork Complex is continues here.
7/3/2013 7:00 AM 0.00 0.0 M M M Mostly clear. Very little smoke.
7/4/2013 7:00 AM 0.00 0.0 M M M
7/5/2013 7:00 AM T M M M M
7/6/2013 7:00 AM T M M M M Smoke yesterday & this morning.
7/17/2013 7:00 AM 0.00 0.0 M M M This covers the past 12 hours. See Multi-Day Accumulation for 07/07/13 - 07/16/13.
7/18/2013 7:00 AM 0.00 0.0 M M M
7/19/2013 7:00 AM T M M M M
7/20/2013 7:00 AM 0.31 M M M M
7/21/2013 7:00 AM 0.23 M M M M
7/22/2013 7:00 AM 0.00 0.0 M M M
7/23/2013 7:00 AM 0.00 0.0 M M M
7/24/2013 7:00 AM 0.00 0.0 M M M
7/25/2013 7:00 AM 0.32 M M M M 0.19 during a thunder-squall 2:30 to 3:00 pm, the remainder (0.13)fell after dark.
7/26/2013 7:00 AM 0.00 0.0 M M M
7/27/2013 7:00 AM 0.04 M M M M
7/30/2013 7:00 AM 0.00 0.0 M M M
7/31/2013 7:00 AM 0.00 0.0 M M M
8/1/2013 7:00 AM 0.00 0.0 M M M
8/2/2013 7:00 AM 0.08 M M M M
8/3/2013 7:00 AM 0.00 0.0 M M M
8/4/2013 7:00 AM 0.01 M M M M
8/5/2013 7:00 AM 0.04 M M M M
8/6/2013 7:00 AM 0.02 M M M M
8/7/2013 7:00 AM 0.06 M M M M Sprinkles in afternoon. Rain overnight.
8/8/2013 7:00 AM 0.23 M M M M
8/9/2013 7:00 AM 0.09 M M M M
8/10/2013 7:00 AM 0.02 M M M M
8/13/2013 7:00 AM 0.04 M M M M
8/14/2013 7:00 AM 0.00 0.0 M M M
8/15/2013 7:00 AM 0.00 0.0 M M M
8/16/2013 7:00 AM T 0.0 M M M Smokey - don't know where the smoke is coming from. Unable to see across San Luis Valley to San Juans for most of afternoon. Sprinkles about 4:15 pm. Heavy smoke this morning - SJs not visible.
8/17/2013 7:00 AM 0.00 0.0 M M M Smoke limited visibility all day. Smokey this am.
8/18/2013 7:00 AM 0.00 0.0 M M M Smoke limited visibility all day. Still some smokey haze this am.
8/19/2013 7:00 AM 0.20 M M M M Smoke not present this morning
8/20/2013 7:00 AM T M M M M Sprinkles about 4pm.
8/21/2013 7:00 AM 0.00 0.0 M M M
8/22/2013 7:00 AM 0.29 M M M M Interesting storm. One piece developed over California Peak (SdC Range) to the east of station, the other piece came in from the SW. They converged & parked above Calif. Impressive lightning display w/ nearby strikes. Mostly gentle soaking rain.
8/23/2013 7:00 AM T M M M M A few sprinkles from a late afternoon thundercloud that built up over California Peak.
8/24/2013 7:00 AM 0.00 0.0 M M M
8/25/2013 7:00 AM T M M M M Sprinkles in mid-afternoon.
8/26/2013 7:00 AM T M M M M Occasional sprinkles morning and into mid-afternoon.
8/27/2013 7:00 AM 0.00 0.0 M M M
8/28/2013 7:00 AM T M M M M Sprinkles in afternoon. Smoke haze - unable to see across valley yesterday and this morning.
8/29/2013 7:00 AM 0.05 M M M M Sprinkles in afternoon prior to rain.
9/4/2013 7:00 AM 0.02 M M M M
9/5/2013 7:00 AM 0.02 M M M M Late afternoon shower
9/6/2013 7:00 AM 0.00 0.0 M M M
9/7/2013 7:00 AM 0.00 0.0 M M M
9/8/2013 7:00 AM 0.08 M M M M Late afternoon shower about 4:30 plus another rain after 6pm.
9/9/2013 7:00 AM 0.00 0.0 M M M
9/10/2013 7:00 AM 0.03 M M M M Surprise shower after dark!
9/11/2013 7:00 AM 0.20 M M M M Rain shower 0.2 about 3:30. Rest after dark & overnight. Looks like more coming today.
9/12/2013 7:00 AM 0.02 M M M M Trace during daylight hours - rest overnight.
9/13/2013 7:00 AM 1.20 M M M M 0.47 at 5:00pm. Mostly gentle, soaking rain.
9/14/2013 7:00 AM 0.08 M M M M
9/15/2013 7:00 AM 0.05 M M M M
9/16/2013 7:00 AM 0.30 M M M M Rain overnight.
9/17/2013 7:00 AM 0.00 0.0 M M M
9/18/2013 7:00 AM 0.00 0.0 M M M
9/19/2013 7:00 AM 0.28 M M M M Rain overnight
9/20/2013 7:00 AM T M M M M
9/21/2013 7:00 AM 0.00 0.0 M M M
9/22/2013 7:00 AM 0.00 0.0 M M M
9/23/2013 7:00 AM 0.91 M M M M Rains squalls passing through most of the day. Heaviest rain 8-9 pm. SNOW above 9500ft.
9/24/2013 7:00 AM 0.00 0.0 M M M 32°F at this station at 7am. The Snow on the Sangre de Cristos makes them look like real mountains again! 32°F at this station at 7am.
9/25/2013 7:00 AM 0.00 0.0 M M M
9/26/2013 7:00 AM 0.00 0.0 M M M Snow on the Sangres from Sunday night is mostly gone - still some left on north faces.
9/27/2013 7:00 AM 0.00 0.0 M M M Windy - Windy
9/28/2013 7:00 AM T M M M M Overcast most of the day. Rain in Ft. Garland area. A skiff of fresh snow on the Sangres.
9/29/2013 7:00 AM 0.00 0.0 M M M
9/30/2013 7:00 AM 0.00 0.0 M M M Clear, calm, cold 27°



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/26/2012 10/07/2012 6:00 PM 12 0.04 M M
2/5/2013 2/28/2013 7:00 PM 24 T T M There were at least two significant snow events during our absence. The open 4" tube apparently allowed the accumulation to evaporate.
6/29/2013 7/02/2013 6:30 AM 4 0.34 M M First significant precipitation in months & I missed it. Includes 0.29" between 4pm and 7pm on 6/28 before we left for Denver. My Sheriff's Deputy son was in a very serious Crown Vic vs Semi Tractor accident. He survived and is out of ICU.
7/6/2013 7/16/2013 7:00 PM 11 1.32 M M We were expecting to be gone Sunday 7/7 to visit my son in the hospital in Denver and return the evening of 7/8 after helping him to move to another hospital. Instead I was on the operating table at 23:55pm Sunday 7/7 until about 01:30am Monday for an emergency small bowel resection. After discharge, was able to stay with a relative in Denver until I was able to return home today. My son will likely be at Craig Hospital in Denver for at least a year.
7/28/2013 7/29/2013 7:00 AM 2 0.14 M M This is a 48 hour accumulation from 7am 07/27/13 to 07/29/13.
8/11/2013 8/12/2013 7:00 AM 2 0.14 M M Precip probably fell between 7a 8/10 and 7a 8/11
8/30/2013 9/03/2013 7:00 AM 5 0.56 M M Judging by Ute Creek gauge, must have been rain on Sunday night with a big rain on Monday. Ute jumped from about 12cfs on Sunday afternoon to 32cfs mid-day Monday, dropped then up to more than 100cfs by midnight Monday night/this morning.



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