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 11 0.83 1.51 31 1.51 31 0.00 0 0 8 2 0.3 2 0
Nov 11 0.39 0.26 30 0.26 30 0.00 0 0 4 2 1.1 2 0
Dec 11 0.34 0.34 31 0.34 31 0.00 0 0 5 6 2.8 4 27
Jan 12 0.37 0.08 31 0.08 31 0.00 0 0 2 3 0.2 2 3
Feb 12 0.37 0.34 29 0.34 29 0.00 0 0 7 2 0.9 3 10
March 12 0.79 0.06 31 0.06 31 0.00 0 0 2 1 0.0 0 0
April 12 0.97 0.50 30 0.50 21 0.00 9 1 3 1 0.2 1 1
May 12 0.97 0.90 31 0.90 31 0.00 0 0 2 3 1.0 1 0
June 12 1.17 0.46 30 0.46 30 0.00 0 0 4 4 0.0 0 0
July 12 1.45 2.82 31 2.82 31 0.00 0 0 14 5 0.0 0 0
Aug 12 1.94 2.25 28 2.25 28 0.00 0 0 7 3 0.0 0 0
Sept 12 1.50 0.74 30 0.74 25 0.00 5 0 5 0 0.0 0 0
Water Year Totals: 11.09" 10.26" 363 days 10.26" 349 0.00" 14 days 1 63 days 32 days 6.5" 15 days 41 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 0.00
10/4/2011 0.15
10/5/2011 0.18
10/6/2011 T
10/7/2011 0.09
10/8/2011 0.59
10/9/2011 0.10
10/10/2011 0.06
10/11/2011 0.00
10/12/2011 0.00
10/13/2011 0.00
10/14/2011 0.00
10/15/2011 0.00
10/16/2011 0.00
10/17/2011 0.00
10/18/2011 T
10/19/2011 0.00
10/20/2011 0.00
10/21/2011 0.00
10/22/2011 0.00
10/23/2011 0.00
10/24/2011 0.00
10/25/2011 0.00
10/26/2011 0.04
10/27/2011 0.30
10/28/2011 0.00
10/29/2011 0.00
10/30/2011 0.00
10/31/2011 0.00
11/1/2011 0.00
11/2/2011 0.00
11/3/2011 T
11/4/2011 0.00
11/5/2011 0.00
11/6/2011 0.03
11/7/2011 0.00
11/8/2011 0.02
11/9/2011 0.00
11/10/2011 0.00
11/11/2011 0.00
11/12/2011 0.00
11/13/2011 0.00
11/14/2011 0.00
11/15/2011 0.00
11/16/2011 0.00
11/17/2011 0.00
11/18/2011 0.00
11/19/2011 0.00
11/20/2011 0.00
11/21/2011 0.00
11/22/2011 T
11/23/2011 0.00
11/24/2011 0.00
11/25/2011 0.13
11/26/2011 0.08
11/27/2011 0.00
11/28/2011 0.00
11/29/2011 0.00
11/30/2011 0.00
12/1/2011 0.00
12/2/2011 T
12/3/2011 0.09
12/4/2011 0.13
12/5/2011 0.05
12/6/2011 0.03
12/7/2011 0.00
12/8/2011 0.00
12/9/2011 0.00
12/10/2011 0.00
12/11/2011 0.00
12/12/2011 0.00
12/13/2011 0.04
12/14/2011 T
12/15/2011 0.00
12/16/2011 0.00
12/17/2011 T
12/18/2011 0.00
12/19/2011 0.00
12/20/2011 T
12/21/2011 0.00
12/22/2011 T
12/23/2011 T
12/24/2011 0.00
12/25/2011 0.00
12/26/2011 0.00
12/27/2011 0.00
12/28/2011 0.00
12/29/2011 0.00
12/30/2011 0.00
12/31/2011 0.00
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 0.00
1/8/2012 T
1/9/2012 0.00
1/10/2012 0.00
1/11/2012 0.00
1/12/2012 0.00
1/13/2012 0.00
1/14/2012 0.00
1/15/2012 0.00
1/16/2012 0.00
1/17/2012 T
1/18/2012 0.00
1/19/2012 0.00
1/20/2012 0.00
1/21/2012 0.00
1/22/2012 0.05
1/23/2012 0.00
1/24/2012 0.00
1/25/2012 T
1/26/2012 0.00
1/27/2012 0.03
1/28/2012 0.00
1/29/2012 0.00
1/30/2012 0.00
1/31/2012 0.00
2/1/2012 0.00
2/2/2012 0.00
2/3/2012 0.13
2/4/2012 0.00
2/5/2012 0.00
2/6/2012 0.02
2/7/2012 0.01
2/8/2012 0.00
2/9/2012 T
2/10/2012 0.00
2/11/2012 0.00
2/12/2012 0.03
2/13/2012 0.10
2/14/2012 0.00
2/15/2012 0.00
2/16/2012 0.00
2/17/2012 0.00
2/18/2012 0.00
2/19/2012 0.00
2/20/2012 T
2/21/2012 0.00
2/22/2012 0.00
2/23/2012 0.00
2/24/2012 0.00
2/25/2012 0.00
2/26/2012 0.00
2/27/2012 0.00
2/28/2012 0.03
2/29/2012 0.02
3/1/2012 0.00
3/2/2012 0.03
3/3/2012 0.00
3/4/2012 0.00
3/5/2012 0.00
3/6/2012 0.00
3/7/2012 0.00
3/8/2012 0.00
3/9/2012 0.00
3/10/2012 0.00
3/11/2012 T
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 0.00
3/19/2012 0.00
3/20/2012 0.03
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 0.00
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 0.00
4/10/2012 0.00
4/11/2012 0.00
4/12/2012 0.03
4/13/2012 0.00
4/14/2012 0.00
4/15/2012 0.13
4/16/2012 0.00
4/17/2012 0.00
4/18/2012 0.00
4/19/2012 0.00
4/20/2012 T
4/21/2012 0.00
4/22/2012 0.00
4/23/2012 0.00
4/24/2012 0.00
4/25/2012 0.00
4/26/2012 0.00
4/27/2012 0.34
4/28/2012 0.00
4/29/2012 0.00
4/30/2012 0.00
5/1/2012 0.00
5/2/2012 0.00
5/3/2012 0.00
5/4/2012 0.00
5/5/2012 0.00
5/6/2012 0.00
5/7/2012 0.00
5/8/2012 0.65
5/9/2012 0.00
5/10/2012 0.00
5/11/2012 0.00
5/12/2012 0.25
5/13/2012 T
5/14/2012 0.00
5/15/2012 0.00
5/16/2012 0.00
5/17/2012 0.00
5/18/2012 0.00
5/19/2012 0.00
5/20/2012 T
5/21/2012 T
5/22/2012 0.00
5/23/2012 0.00
5/24/2012 0.00
5/25/2012 0.00
5/26/2012 0.00
5/27/2012 0.00
5/28/2012 0.00
5/29/2012 0.00
5/30/2012 0.00
5/31/2012 0.00
6/1/2012 T
6/2/2012 T
6/3/2012 T
6/4/2012 0.00
6/5/2012 0.14
6/6/2012 0.00
6/7/2012 0.00
6/8/2012 0.00
6/9/2012 0.00
6/10/2012 0.00
6/11/2012 0.00
6/12/2012 0.00
6/13/2012 0.00
6/14/2012 0.00
6/15/2012 0.00
6/16/2012 0.00
6/17/2012 T
6/18/2012 0.00
6/19/2012 0.00
6/20/2012 0.00
6/21/2012 0.00
6/22/2012 0.00
6/23/2012 0.00
6/24/2012 0.00
6/25/2012 0.27
6/26/2012 0.00
6/27/2012 0.00
6/28/2012 0.03
6/29/2012 0.02
6/30/2012 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2012 0.00
7/2/2012 0.00
7/3/2012 0.21
7/4/2012 0.00
7/5/2012 0.31
7/6/2012 0.04
7/7/2012 0.31
7/8/2012 0.08
7/9/2012 0.19
7/10/2012 0.16
7/11/2012 0.00
7/12/2012 0.17
7/13/2012 T
7/14/2012 0.21
7/15/2012 0.58
7/16/2012 0.00
7/17/2012 0.00
7/18/2012 0.00
7/19/2012 0.00
7/20/2012 0.00
7/21/2012 0.00
7/22/2012 T
7/23/2012 T
7/24/2012 0.24
7/25/2012 0.05
7/26/2012 0.02
7/27/2012 0.25
7/28/2012 T
7/29/2012 0.00
7/30/2012 T
7/31/2012 0.00
8/1/2012 T
8/2/2012 0.00
8/3/2012 0.05
8/4/2012 0.00
8/5/2012 0.00
8/6/2012 0.00
8/7/2012 0.00
8/8/2012 0.06
8/9/2012 0.00
8/10/2012 0.00
8/11/2012 0.00
8/12/2012 T
8/13/2012 T
8/14/2012 0.30
8/15/2012 0.00
8/16/2012 0.00
8/17/2012 0.00
8/18/2012 0.20
8/19/2012 0.00
8/20/2012 0.00
8/21/2012 0.20
8/22/2012 0.00
8/23/2012 0.00
8/24/2012 1.34
8/25/2012 0.00
8/26/2012 0.10
8/27/2012 0.00
8/28/2012 0.00
8/29/2012
8/30/2012
8/31/2012
9/1/2012 0.00
9/2/2012 0.00
9/3/2012 0.00
9/4/2012 0.02
9/5/2012 0.00
9/6/2012 0.00
9/7/2012 0.00
9/8/2012 0.00
9/9/2012 0.01
9/10/2012 0.00
9/11/2012 0.00
9/12/2012 0.11
9/13/2012 0.55
9/14/2012 0.00
9/15/2012 0.00
9/16/2012 0.00
9/17/2012 0.00
9/18/2012 0.00
9/19/2012 0.00
9/20/2012 0.00
9/21/2012 0.00
9/22/2012 0.00
9/23/2012 0.00
9/24/2012 0.00
9/25/2012 0.05
9/26/2012 **
9/27/2012 **
9/28/2012 **
9/29/2012 **
9/30/2012 **



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2011 7:00 AM 0.00 0.0 M M M
10/2/2011 7:00 AM 0.00 0.0 M M M
10/3/2011 7:00 AM 0.00 0.0 M M M
10/4/2011 7:00 AM 0.15 M M M M
10/5/2011 7:00 AM 0.18 M M M M Snow on Sangres (California Peak) down to timber line.
10/6/2011 7:00 AM T M M M M Spit of rain a few times during the day. Snow on California Peak is well down below timberline to about 10,500 ft. Mtn was cloud covered most of the day.
10/7/2011 7:00 AM 0.09 0.1 M T M SNOW! Snow on ground has mostly melted. Where it is off the ground there is about 0.1 inch. Spit rain & flakes most of the day. Rain & mixed snow started about 5pm.
10/8/2011 7:00 AM 0.59 0.2 M M M Rain in pm changing to snow after dark. Snowing at 7am. Removed inner tube yesterday. Took a long time for ice/snow in funnel to melt through.
10/9/2011 7:00 AM 0.10 M M T M Snow stopped about noon. Ground heat melted snow almost as fast as it fell. About 4 inches accumulation where snow was not in contact with ground. Sun came out and snow melted quickly. Light snow falling NOW.
10/10/2011 7:00 AM 0.06 T M T M Mixed rain & snow throughout morning.
10/11/2011 7:00 AM 0.00 0.0 M M M
10/12/2011 7:00 AM 0.00 0.0 M 0.0 M Snow all gone
10/13/2011 7:00 AM 0.00 0.0 M M M
10/14/2011 7:00 AM 0.00 0.0 M M M
10/15/2011 7:00 AM 0.00 0.0 M M M
10/16/2011 7:00 AM 0.00 0.0 M M M
10/17/2011 7:00 AM 0.00 0.0 M M M
10/18/2011 7:00 AM T M M M M
10/19/2011 7:00 AM 0.00 0.0 M M M
10/20/2011 7:00 AM 0.00 0.0 M M M
10/21/2011 7:00 AM 0.00 0.0 M M M
10/22/2011 7:00 AM 0.00 0.0 M M M
10/23/2011 7:00 AM 0.00 0.0 M M M
10/24/2011 7:00 AM 0.00 0.0 M M M
10/25/2011 7:00 AM 0.00 0.0 M M M
10/26/2011 7:00 AM 0.04 M M M M Rain shower about 6:pm then later overnight.
10/27/2011 7:00 AM 0.30 T M T M Mixed rain & snow off and on all day and overnight. Doesn't appear to be over yet.
10/28/2011 7:00 AM 0.00 0.0 M M M
10/29/2011 7:00 AM 0.00 0.0 M M M
10/30/2011 7:00 AM 0.00 0.0 M M M
10/31/2011 7:00 AM 0.00 0.0 M M M
11/1/2011 7:00 AM 0.00 0.0 M M M
11/2/2011 7:00 AM 0.00 0.0 M M M Windy - Overcast
11/3/2011 7:00 AM T M M M M Very small trace of snow when front blew through in morning. Calm by 9:30a.
11/4/2011 7:00 AM 0.00 0.0 M M M
11/5/2011 7:00 AM 0.00 0.0 M M M
11/6/2011 7:00 AM 0.03 0.0 M 0.0 M Mixed rain & snow squalls into pm.
11/7/2011 7:00 AM 0.00 0.0 M M M
11/8/2011 7:00 AM 0.02 T M T M
11/9/2011 7:00 AM 0.00 0.0 M M M 0F Brrr...
11/10/2011 7:00 AM 0.00 0.0 M M M
11/11/2011 7:00 AM 0.00 0.0 M M M
11/12/2011 7:00 AM 0.00 0.0 M M M
11/13/2011 7:00 AM 0.00 0.0 M M M
11/14/2011 7:00 AM 0.00 0.0 M M M
11/15/2011 7:00 AM 0.00 0.0 M M M
11/16/2011 7:00 AM 0.00 0.0 M M M
11/17/2011 7:00 AM 0.00 0.0 M M M
11/18/2011 7:00 AM 0.00 0.0 M M M
11/19/2011 7:00 AM 0.00 0.0 M M M
11/20/2011 7:00 AM 0.00 0.0 M M M
11/21/2011 7:00 AM 0.00 0.0 M M M
11/22/2011 7:00 AM T M M M M
11/23/2011 7:00 AM 0.00 0.0 M M M
11/24/2011 7:00 AM 0.00 0.0 M M M
11/25/2011 7:00 AM 0.13 0.1 M M M Snow just started. Nice wet snow in big flakes.
11/26/2011 7:00 AM 0.08 1.0 M T M Clear 5F
11/27/2011 7:00 AM 0.00 0.0 M M M
11/28/2011 7:00 AM 0.00 0.0 M M M
11/29/2011 7:00 AM 0.00 0.0 M M M
11/30/2011 7:00 AM 0.00 0.0 M M M
12/1/2011 7:00 AM 0.00 0.0 M M M Wind!
12/2/2011 7:00 AM T T M T M High winds, horizontal snow - what little there was.
12/3/2011 7:00 AM 0.09 1.0 M 1.0 M Snowing since before light - don't know when it started. Snowing heavily now. 15F.
12/4/2011 7:00 AM 0.13 1.5 M 3.5 0.13 3F Dandruffing. Light snow off and on all day yesterday.
12/5/2011 7:00 AM 0.05 M M M M Light snow off & on all day yesterday & overnight. Snowing now. Winds overnight blew snow into drifts - bare ground & drifts. Unable to determine accumulated snow depth.
12/6/2011 7:00 AM 0.03 0.1 M M M Light snow throughout morning. Unable to determine general snow depth due to drifting. COLD! -19F
12/7/2011 7:00 AM 0.00 0.0 M 1.0 M Snow depth approximate - much deeper drifts.
12/8/2011 7:00 AM 0.00 0.0 M 1.0 M -5F
12/9/2011 7:00 AM 0.00 0.0 M 1.0 M -10F
12/10/2011 7:00 AM 0.00 0.0 M 1.0 M -8F Clear, calm & cold
12/11/2011 7:00 AM 0.00 0.0 M 1.0 M -10F clear calm cold. Cold enough that there has been little snow melt in daytime. Snow depth approximate - with deeper drifts in places.
12/12/2011 7:00 AM 0.00 0.0 M 1.0 M -2F
12/13/2011 7:00 AM 0.04 0.2 M 1.1 M 15f overcast & fog
12/14/2011 7:00 AM T T M 1.0 M 15F w/partial overcast. Overcast & ice fog much of yesterday.
12/15/2011 7:00 AM 0.00 0.0 M 1.0 M -6F
12/16/2011 7:00 AM 0.00 0.0 M 1.0 M 0F Overcast
12/17/2011 7:00 AM T T M 1.0 M -17F clear
12/18/2011 7:00 AM 0.00 0.0 M 1.0 M -8F clear
12/19/2011 7:00 AM 0.00 0.0 M 1.0 M 20F Heat wave!
12/20/2011 7:00 AM T T M 1.0 M -5F Overcast, wind, occasional snowflakes. Some minor drifting, but what was drifting seemed to be old snow more than new snow.
12/21/2011 7:00 AM 0.00 0.0 M 1.0 M 4F Fog
12/22/2011 7:00 AM T T M 1.0 M 8F Overcast & windy. I thin the snow blew down off the mountain. The "storm" seems to be an "Upsloap" event, with a little snow being carried over to this side.
12/23/2011 7:00 AM T T M 1.0 M -18F Windy, but almost no snow.
12/24/2011 7:00 AM 0.00 0.0 M 1.0 M -10 clear
12/25/2011 7:00 AM 0.00 0.0 M 1.0 M -8F clear calm cold.
12/26/2011 7:00 AM 0.00 0.0 M 1.0 M 0F overcast
12/27/2011 7:00 AM 0.00 0.0 M 1.0 M -4F clear calm
12/28/2011 7:00 AM 0.00 0.0 M 1.0 M 6F high clouds
12/29/2011 7:00 AM 0.00 0.0 M 1.0 M 0F clear calm.
12/30/2011 7:00 AM 0.00 0.0 M 1.0 M 16F clear calm
12/31/2011 7:00 AM 0.00 0.0 M 0.5 M 23F clear windy. Snow on ground melting over past couple of days. Lots of bare spots.
1/1/2012 7:00 AM 0.00 0.0 M 0.5 M -4 high cirrus, calm
1/2/2012 7:00 AM 0.00 0.0 M T M -4°F clear calm Snow depth variable - increasing bare spots.
1/3/2012 7:00 AM 0.00 0.0 M T M 0°F clear calm
1/4/2012 7:00 AM 0.00 0.0 M T M 0°F
1/5/2012 7:00 AM 0.00 0.0 M T M 0° 0 clouds 0 wind 0 nada
1/6/2012 7:00 AM 0.00 0.0 M T M 1F
1/7/2012 7:00 AM 0.00 0.0 M M M
1/8/2012 7:00 AM T T M T M 9°F Partly cloudy. Skiff of snow overnight.
1/9/2012 7:00 AM 0.00 0.0 M T M 0°
1/10/2012 7:00 AM 0.00 0.0 M T M 0° 0 clouds 0 breeze
1/11/2012 7:00 AM 0.00 0.0 M T M 4°F partly cloudy, calm
1/12/2012 7:00 AM 0.00 0.0 M T M -10°F clear calm
1/13/2012 7:00 AM 0.00 0.0 M T M
1/14/2012 7:00 AM 0.00 0.0 M T M
1/15/2012 7:00 AM 0.00 0.0 M T M -6F calm, mostly clear, red clouds to the east. "Red sky in the morning...."
1/16/2012 7:00 AM 0.00 0.0 M T M 18F partly cloudy, breezy
1/17/2012 7:00 AM T T M T M 0°F Mostly clear, calm, slight dusting of snow overnight.
1/18/2012 7:00 AM 0.00 0.0 M T M 8F overcast, light breeze
1/19/2012 7:00 AM 0.00 0.0 M T M 11F clear calm
1/20/2012 7:00 AM 0.00 0.0 M T M 17F
1/21/2012 7:00 AM 0.00 0.0 M T M 9F high clouds calm
1/22/2012 7:00 AM 0.05 0.1 M 0.1 M 16F Snow & wind overnight.
1/23/2012 7:00 AM 0.00 0.0 M T M -2°F
1/24/2012 7:00 AM 0.00 0.0 M T M 9F
1/25/2012 7:00 AM T M M T M 0° clear calm. A few flakes of snow yesterday morning from the cloud over the mountain. A little bit of fresh snow on top.
1/26/2012 7:00 AM 0.00 0.0 M T M 10°F
1/27/2012 7:00 AM 0.03 0.1 M 0.1 M 16F high clouds, calm. Snow overnight.
1/28/2012 7:00 AM 0.00 0.0 M T M 0°F
1/29/2012 7:00 AM 0.00 0.0 M T M 3°F overcast calm
1/30/2012 7:00 AM 0.00 0.0 M T M
1/31/2012 7:00 AM 0.00 0.0 M T M 9F
2/1/2012 7:00 AM 0.00 0.0 M M M
2/2/2012 7:00 AM 0.00 0.0 M T M 15F overcast
2/3/2012 7:00 AM 0.13 0.4 M 0.5 M 10°F partly cloudy, calm. Intermittent snow showers throughout day. Clouds over mountain threaten more upslope snow.
2/4/2012 7:00 AM 0.00 0.0 M 0.5 M -12°F clear calm
2/5/2012 7:00 AM 0.00 0.0 M 0.5 M -3°F clear cold
2/6/2012 7:00 AM 0.02 0.1 M 0.2 M 10F overcast, breezy
2/7/2012 7:00 AM 0.01 T M 0.5 M 2F
2/8/2012 7:00 AM 0.00 0.0 M 0.5 M
2/9/2012 7:00 AM T T M 0.5 M 11F overcast
2/10/2012 7:00 AM 0.00 0.0 M T M 4F
2/11/2012 7:00 AM 0.00 0.0 M T M 3°F
2/12/2012 7:00 AM 0.03 0.4 M 0.5 M 13F snowing lightly - started before light.
2/13/2012 7:00 AM 0.10 M M 1.0 M 16F overcast, fog. Snow flurries into pm.
2/14/2012 7:00 AM 0.00 0.0 M 0.5 M 15F clear calm
2/15/2012 7:00 AM 0.00 0.0 M T M 4F clear calm cold
2/16/2012 7:00 AM 0.00 0.0 M T M 3F clear calm
2/17/2012 7:00 AM 0.00 0.0 M T M -2F Clear cold calm
2/18/2012 7:00 AM 0.00 0.0 M T M -2F clear calm
2/19/2012 7:00 AM 0.00 0.0 M T M 6F clear calm
2/20/2012 7:00 AM T T M T M 6F overcast, light breeze
2/21/2012 7:00 AM 0.00 0.0 M T M 7F mostly cloudy, light breeze
2/22/2012 7:00 AM 0.00 0.0 M M M
2/23/2012 7:00 AM 0.00 0.0 M T M 16F Ptly cloudy
2/24/2012 7:00 AM 0.00 0.0 M T M -3F high cirrus
2/25/2012 7:00 AM 0.00 0.0 M T M -2F
2/26/2012 7:00 AM 0.00 0.0 M T M 15F Breezy
2/27/2012 7:00 AM 0.00 0.0 M M M
2/28/2012 7:00 AM 0.03 T M T M 21F windy & snowing - near blizzard conditions. High winds most of the night. Snow started about 6:30am. Little accumulation yet due to high wind.
2/29/2012 7:00 AM 0.02 T M T M 8F high clouds, windy. Yesterday's snow squalls continued until about 9am. What little snow fell was blown around - measuring new accumulation not possible
3/1/2012 7:00 AM 0.00 0.0 M T M 15F light wind, clear
3/2/2012 7:00 AM 0.03 T M T M 8F Skiff of snow overnight. Overcast & calm.
3/3/2012 7:00 AM 0.00 0.0 M T M -3F high clouds, breezy
3/4/2012 7:00 AM 0.00 0.0 M T M 13F clear calm
3/5/2012 7:00 AM 0.00 0.0 M T M 5F clear calm
3/6/2012 7:00 AM 0.00 0.0 M T M 22F breezy, partly cloudy w/high clouds.
3/7/2012 7:00 AM 0.00 0.0 M 0.0 M 24F clear, breezy
3/8/2012 7:00 AM 0.00 0.0 M 0.0 M 16F High winds overnight. Windy, partly cloudy, high clouds.
3/9/2012 7:00 AM 0.00 0.0 M 0.0 M 8F clear calm
3/10/2012 7:00 AM 0.00 0.0 M 0.0 M 15F mostly cloudy, calm
3/11/2012 7:00 AM T T M T M 23F Rain sprinkles about 4:30pm. Light grapple overnight.
3/12/2012 7:00 AM 0.00 0.0 M 0.0 M 16F clear calm
3/13/2012 7:00 AM 0.00 0.0 M 0.0 M 20F clear calm
3/14/2012 7:00 AM 0.00 0.0 M 0.0 M 16F clear calm
3/15/2012 7:00 AM 0.00 0.0 M 0.0 M 11F calm, scattered high cirrus
3/16/2012 7:00 AM 0.00 0.0 M 0.0 M 16F clear calm
3/17/2012 7:00 AM 0.00 0.0 M 0.0 M 26F clear calm
3/18/2012 7:00 AM 0.00 0.0 M 0.0 M 30F cloudy light wind
3/19/2012 7:00 AM 0.00 0.0 M 0.0 M 8F clear, calm. High winds most of yesterday. Visibility less than ¼ mile at times due to blowing dust.
3/20/2012 7:00 AM 0.03 M M T M 7F overcast calm. Skiff of snow overnight.
3/21/2012 7:00 AM 0.00 0.0 M 0.0 M 5F clear calm
3/22/2012 7:00 AM 0.00 0.0 M 0.0 M 14F clear calm
3/23/2012 7:00 AM 0.00 0.0 M 0.0 M 15F clear calm
3/24/2012 7:00 AM 0.00 0.0 M M M 18F clear calm
3/25/2012 7:00 AM 0.00 0.0 M M M 22F scattered high clouds
3/26/2012 7:00 AM 0.00 0.0 M M M 40F overcast windy
3/27/2012 7:00 AM 0.00 0.0 M M M 21F clear, light breeze. High winds yesterday afternoon.
3/28/2012 7:00 AM 0.00 0.0 M M M 16F clear calm
3/29/2012 7:00 AM 0.00 0.0 M M M 18F partly cloudy, calm
3/30/2012 7:00 AM 0.00 0.0 M M M 28F clear calm
3/31/2012 7:00 AM 0.00 0.0 M M M
4/10/2012 7:00 AM 0.00 0.0 M M M
4/11/2012 7:00 AM 0.00 0.0 M M M 22F Partly Cloudy
4/12/2012 7:00 AM 0.03 M M M M Sprinkles about 6pm. Thunder & big drops about 10pm.
4/13/2012 7:00 AM 0.00 0.0 M M M
4/14/2012 7:00 AM 0.00 0.0 M M M
4/15/2012 7:00 AM 0.13 0.2 M 0.2 M Snow Overnight.
4/16/2012 7:00 AM 0.00 0.0 M M M
4/17/2012 7:00 AM 0.00 0.0 M 0.0 M 14F clear calm brrr!
4/18/2012 7:00 AM 0.00 0.0 M M M
4/19/2012 7:00 AM 0.00 0.0 M M M 24F overcast breezy
4/20/2012 7:00 AM T M M M M 19F clear calm
4/21/2012 7:00 AM 0.00 0.0 M M M
4/22/2012 7:00 AM 0.00 0.0 M M M
4/23/2012 7:00 AM 0.00 0.0 M M M
4/24/2012 7:00 AM 0.00 0.0 M M M
4/25/2012 7:00 AM 0.00 0.0 M M M
4/26/2012 7:00 AM 0.00 0.0 M M M
4/27/2012 7:00 AM 0.34 T M T M Rain turning to snow overnight. Slight skiff of snow at daybreak.
4/28/2012 7:00 AM 0.00 0.0 M M M
4/29/2012 7:00 AM 0.00 0.0 M M M 22F overcast calm
4/30/2012 7:00 AM 0.00 0.0 M M M
5/1/2012 7:00 AM 0.00 0.0 M M M
5/2/2012 7:00 AM 0.00 0.0 M M M
5/3/2012 7:00 AM 0.00 0.0 M M M
5/4/2012 7:00 AM 0.00 0.0 M M M
5/5/2012 7:00 AM 0.00 0.0 M M M
5/6/2012 7:00 AM 0.00 0.0 M M M
5/7/2012 7:00 AM 0.00 0.0 M M M Partly cloudy, breezy. Looks like light skiff of snow on Calif Peak to east.
5/8/2012 7:00 AM 0.65 1.0 M T M Trace rain amounts in morning. Precip (mixed rain and sleet) started in earnest about 4pm. Snow overnight. About 1 inch where protected from ground heat.
5/9/2012 7:00 AM 0.00 0.0 M M M
5/10/2012 7:00 AM 0.00 0.0 M M M
5/11/2012 7:00 AM 0.00 0.0 M M M
5/12/2012 7:00 AM 0.25 M M M M Rain overnight. Mostly cloudy now. Calm.
5/13/2012 7:00 AM T M M M M High cirrus, calm.
5/14/2012 7:00 AM 0.00 0.0 M M M
5/15/2012 7:00 AM 0.00 0.0 M M M
5/16/2012 7:00 AM 0.00 0.0 M M M
5/17/2012 7:00 AM 0.00 0.0 M M M
5/18/2012 7:00 AM 0.00 0.0 M M M
5/19/2012 7:00 AM 0.00 0.0 M M M
5/20/2012 7:00 AM T M M M M Sprinkles about 7pm, skiff of snow on mtn.
5/21/2012 7:00 AM T M M M M Sprinkles in late afternoon. Cloud over mtn to east.
5/22/2012 7:00 AM 0.00 0.0 M M M
5/23/2012 7:00 AM 0.00 0.0 M M M
5/24/2012 7:00 AM 0.00 0.0 M M M
5/25/2012 7:00 AM 0.00 0.0 M M M
5/26/2012 7:00 AM 0.00 0.0 M M M
5/27/2012 7:00 AM 0.00 0.0 M M M Extreme wind - heavy smoke from NM fires in the Gila.
5/28/2012 7:00 AM 0.00 0.0 M M M Another Windy Day! Calm now.
5/29/2012 7:00 AM 0.00 0.0 M M M
5/30/2012 7:00 AM 0.00 0.0 M M M
5/31/2012 7:00 AM 0.00 0.0 M M M
6/1/2012 7:00 AM T M M M M Trace of a trace! A few sprinkles about 4:30 - just enough to spot the dust on my work truck.
6/2/2012 7:00 AM T M M M M Spotted the dust on the truck again! About 5pm.
6/3/2012 7:00 AM T M M M M Sprinkles about 2pm.
6/4/2012 7:00 AM 0.00 0.0 M M M
6/5/2012 7:00 AM 0.14 M M M M
6/6/2012 7:00 AM 0.00 0.0 M M M
6/7/2012 7:00 AM 0.00 0.0 M M M
6/8/2012 7:00 AM 0.00 0.0 M M M
6/9/2012 7:00 AM 0.00 0.0 M M M
6/10/2012 7:00 AM 0.00 0.0 M M M
6/11/2012 7:00 AM 0.00 0.0 M M M
6/12/2012 7:00 AM 0.00 0.0 M M M
6/13/2012 7:00 AM 0.00 0.0 M M M
6/14/2012 7:00 AM 0.00 0.0 M M M
6/15/2012 7:00 AM 0.00 0.0 M M M
6/16/2012 7:00 AM 0.00 0.0 M M M
6/17/2012 7:00 AM T M M M M Just enough to spot the dust on my truck.
6/18/2012 7:00 AM 0.00 0.0 M M M
6/19/2012 7:00 AM 0.00 0.0 M M M
6/20/2012 7:00 AM 0.00 0.0 M M M Heavy smoke from Pagosa fire. Watched the smoke cloud build, then creep into the San Luis Vally yesterday.
6/21/2012 7:00 AM 0.00 0.0 M M M
6/22/2012 7:00 AM 0.00 0.0 M M M
6/23/2012 7:00 AM 0.00 0.0 M M M
6/24/2012 7:00 AM 0.00 0.0 M M M Smoke!! Lots of smoke from NM and west.
6/25/2012 7:00 AM 0.27 M M M M T-storm built up over mtn to the east. A few marble-sized hail stones - maybe 1/sq meter.
6/26/2012 7:00 AM 0.00 0.0 M M M
6/27/2012 7:00 AM 0.00 0.0 M M M
6/28/2012 7:00 AM 0.03 M M M M Late afternoon T-storm.
6/29/2012 7:00 AM 0.02 M M M M Afternoon T-shower
6/30/2012 7:00 AM 0.00 0.0 M M M
7/1/2012 7:00 AM 0.00 0.0 M M M
7/2/2012 7:00 AM 0.00 0.0 M M M
7/3/2012 7:00 AM 0.21 M M M M
7/4/2012 7:00 AM 0.00 0.0 M M M
7/5/2012 7:00 AM 0.31 M M M M PM T-storm from Sangres.
7/6/2012 7:00 AM 0.04 M M M M
7/7/2012 7:00 AM 0.31 M M M M Nice soaking rain - little lightning.
7/8/2012 7:00 AM 0.08 M M M M Sprinkles in late afternoon. Apparently more overnight.
7/9/2012 7:00 AM 0.19 M M M M
7/10/2012 7:00 AM 0.16 M M M M
7/11/2012 7:00 AM 0.00 0.0 M M M
7/12/2012 7:00 AM 0.17 M M M M Mid-afternoon t-shower
7/13/2012 7:00 AM T M M M M
7/14/2012 7:00 AM 0.21 M M M M
7/15/2012 7:00 AM 0.58 M M M M Mid-afternoon downpour!
7/16/2012 7:00 AM 0.00 0.0 M M M
7/17/2012 7:00 AM 0.00 0.0 M M M
7/18/2012 7:00 AM 0.00 0.0 M M M
7/19/2012 7:00 AM 0.00 0.0 M M M
7/20/2012 7:00 AM 0.00 0.0 M M M
7/21/2012 7:00 AM 0.00 0.0 M M M
7/22/2012 7:00 AM T M M M M
7/23/2012 7:00 AM T M M M M
7/24/2012 7:00 AM 0.24 M M M M Mid-afternoon rain shower.
7/25/2012 7:00 AM 0.05 M M M M
7/26/2012 7:00 AM 0.02 0.0 M M M
7/27/2012 7:00 AM 0.25 M M M M Quite a lightning show!
7/28/2012 7:00 AM T M M M M
7/29/2012 7:00 AM 0.00 0.0 M M M
7/30/2012 7:00 AM T M M M M Big Drops! Didn't last long.
7/31/2012 7:00 AM 0.00 0.0 M M M Quite a lightning show to the north ~2am.
8/1/2012 7:00 AM T M M M M
8/2/2012 7:00 AM 0.00 0.0 M M M
8/3/2012 7:00 AM 0.05 M M M M PM t-storms. Several squalls.
8/4/2012 7:00 AM 0.00 0.0 M M M
8/5/2012 7:00 AM 0.00 0.0 M M M
8/6/2012 7:00 AM 0.00 0.0 M M M
8/7/2012 7:00 AM 0.00 0.0 M M M
8/8/2012 7:00 AM 0.06 M M M M Late afternoon thundershower.
8/9/2012 7:00 AM 0.00 0.0 M M M
8/10/2012 7:00 AM 0.00 0.0 M M M
8/11/2012 7:00 AM 0.00 0.0 M M M
8/12/2012 7:00 AM T M M M M
8/13/2012 7:00 AM T M M M M Sprinkles for a few minutes.
8/14/2012 7:00 AM 0.30 M M M M Nice soaking rain about midnight. Showers off & on later?
8/15/2012 7:00 AM 0.00 0.0 M M M Smoky haze moved in in am - don't know from where. still present at posting time.
8/16/2012 7:00 AM 0.00 0.0 M M M
8/17/2012 7:00 AM 0.00 0.0 M M M
8/18/2012 7:00 AM 0.20 M M M M
8/19/2012 7:00 AM 0.00 0.0 M M M
8/20/2012 7:00 AM 0.00 0.0 M M M
8/21/2012 7:00 AM 0.20 M M M M Thick fog at observation time.
8/22/2012 7:00 AM 0.00 0.0 M M M
8/23/2012 7:00 AM 0.00 0.0 M M M
8/24/2012 7:00 AM 1.34 M M M M Heavy rain with lightning. More than 1" in first hour. Significant weather report filed.
8/25/2012 7:00 AM 0.00 0.0 M M M
8/26/2012 7:00 AM 0.10 M M M M
8/27/2012 7:00 AM 0.00 0.0 M M M
8/28/2012 7:00 AM 0.00 0.0 M M M
9/1/2012 7:00 AM 0.00 0.0 M M M
9/2/2012 7:00 AM 0.00 0.0 M M M
9/3/2012 7:00 AM 0.00 0.0 M M M
9/4/2012 7:00 AM 0.02 M M M M 5pm rain. Overcast much of the day.
9/5/2012 7:00 AM 0.00 0.0 M M M
9/6/2012 7:00 AM 0.00 0.0 M M M
9/7/2012 7:00 AM 0.00 0.0 M M M
9/8/2012 7:00 AM 0.00 0.0 M M M
9/9/2012 7:00 AM 0.01 M M M M Rain shower from edge of mtn top squall.
9/10/2012 7:00 AM 0.00 0.0 M M M
9/11/2012 7:00 AM 0.00 0.0 M M M
9/12/2012 7:00 AM 0.11 M M M M Rain started about 4:30pm. Light rain showers throughout remainder of afternoon & overnight.
9/13/2012 7:00 AM 0.55 M M M M Rain off & on all day. Heavy rain clouds with occasional peek of snow on peaks.
9/14/2012 7:00 AM 0.00 0.0 M M M
9/15/2012 7:00 AM 0.00 0.0 M M M
9/16/2012 7:00 AM 0.00 0.0 M M M
9/17/2012 7:00 AM 0.00 0.0 M M M
9/18/2012 7:00 AM 0.00 0.0 M M M
9/19/2012 7:00 AM 0.00 0.0 M M M
9/20/2012 7:00 AM 0.00 0.0 M M M
9/21/2012 7:00 AM 0.00 0.0 M M M
9/22/2012 7:00 AM 0.00 0.0 M M M
9/23/2012 7:00 AM 0.00 0.0 M M M
9/24/2012 7:00 AM 0.00 0.0 M M M
9/25/2012 7:00 AM 0.05 M M M M Snow to below timberline on Sangre's California peak. *** Station will not be reporting 9/26 - 10/5. Out of the area. ***



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
4/1/2012 4/09/2012 7:00 PM 9 0.00 0.0 M A snow storm which left about 6 inches of snow at station location (according to neighbors) occurred during this period. The gauge (outer tube only) was dry upon our return. Actual snow depth and precipitation unknown.
9/26/2012 10/07/2012 6:00 PM 12 0.04 M M



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