Station Overview Station Location
Station Number CO-MT-31 Latitude 38.5246
Station Name Montrose 7.3 ENE Longitude -107.7488
County Montrose Elevation (ft) 6914



Month 30 Yr Avg by PRISM Total Prcp Sum Days Covered By All Observations Daily Prcp Sum Daily Observation Count Multiday Prcp Sum Days Covered by Multiday Observations Multiday Observation Count Days With Prcp Days With Trace Total Snowfall Days With Snowfall Days With Snow On Ground
Oct 11 1.72 1.40 31 1.40 31 0.00 0 0 7 1 1.8 2 2
Nov 11 1.51 1.07 30 1.07 30 0.00 0 0 5 4 9.0 3 6
Dec 11 1.18 1.44 31 1.44 31 0.00 0 0 7 0 17.0 7 29
Jan 12 1.06 0.88 31 0.88 31 0.00 0 0 6 1 7.8 6 31
Feb 12 1.07 1.34 29 1.34 29 0.00 0 0 9 5 20.6 9 29
March 12 1.84 0.63 31 0.63 27 0.00 4 1 4 1 6.6 4 17
April 12 1.64 0.75 30 0.75 30 0.00 0 0 5 6 6.0 3 3
May 12 1.44 0.09 31 0.09 26 0.00 5 1 2 1 0.0 0 0
June 12 0.79 0.07 30 0.07 30 0.00 0 0 2 2 0.0 0 0
July 12 1.42 1.43 31 1.43 31 0.00 0 0 11 4 0.0 0 0
Aug 12 1.85 0.88 31 0.88 31 0.00 0 0 9 1 0.0 0 0
Sept 12 1.75 1.98 30 1.98 30 0.00 0 0 7 2 0.0 0 0
Water Year Totals: 17.27" 11.96" 366 days 11.96" 357 0.00" 9 days 2 74 days 28 days 68.8" 34 days 117 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 0.01
10/5/2011 0.47
10/6/2011 0.07
10/7/2011 0.13
10/8/2011 0.00
10/9/2011 0.00
10/10/2011 0.00
10/11/2011 0.01
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 T
10/18/2011 0.00
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 0.49
10/27/2011 0.22
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 0.84
11/3/2011 0.01
11/4/2011 0.00
11/5/2011 0.06
11/6/2011 0.11
11/7/2011 T
11/8/2011 T
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 T
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 0.05
11/26/2011 0.00
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 0.00
12/3/2011 0.06
12/4/2011 0.16
12/5/2011 0.12
12/6/2011 0.00
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 0.00
12/14/2011 0.77
12/15/2011 0.08
12/16/2011 0.00
12/17/2011 0.00
12/18/2011 0.00
12/19/2011 0.00
12/20/2011 0.00
12/21/2011 0.00
12/22/2011 0.10
12/23/2011 0.15
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 0.06
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 T
1/17/2012 0.01
1/18/2012 0.00
1/19/2012 0.00
1/20/2012 0.00
1/21/2012 0.00
1/22/2012 0.39
1/23/2012 0.00
1/24/2012 0.19
1/25/2012 0.02
1/26/2012 0.00
1/27/2012 0.21
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 0.02
2/4/2012 0.00
2/5/2012 0.00
2/6/2012 0.10
2/7/2012 0.07
2/8/2012 0.00
2/9/2012 0.06
2/10/2012 T
2/11/2012 0.00
2/12/2012 0.00
2/13/2012 0.10
2/14/2012 T
2/15/2012 0.16
2/16/2012 T
2/17/2012 0.00
2/18/2012 0.00
2/19/2012 0.00
2/20/2012 0.41
2/21/2012 T
2/22/2012 0.00
2/23/2012 T
2/24/2012 0.00
2/25/2012 0.00
2/26/2012 0.00
2/27/2012 0.00
2/28/2012 0.28
2/29/2012 0.14
3/1/2012 0.00
3/2/2012 0.33
3/3/2012 0.03
3/4/2012 0.00
3/5/2012 0.00
3/6/2012 0.00
3/7/2012 0.00
3/8/2012 0.04
3/9/2012 0.00
3/10/2012 0.00
3/11/2012 0.00
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 0.23
3/20/2012 T
3/21/2012 **
3/22/2012 **
3/23/2012 **
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 0.00
4/2/2012 T
4/3/2012 0.25
4/4/2012 T
4/5/2012 0.00
4/6/2012 0.00
4/7/2012 0.00
4/8/2012 0.00
4/9/2012 0.00
4/10/2012 0.00
4/11/2012 0.00
4/12/2012 T
4/13/2012 T
4/14/2012 0.00
4/15/2012 0.23
4/16/2012 0.06
4/17/2012 0.00
4/18/2012 0.00
4/19/2012 0.00
4/20/2012 0.01
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 T
4/27/2012 0.20
4/28/2012 T
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 0.08
5/9/2012 0.00
5/10/2012 0.00
5/11/2012 0.00
5/12/2012 0.01
5/13/2012 0.00
5/14/2012 0.00
5/15/2012 0.00
5/16/2012 0.00
5/17/2012 T
5/18/2012 **
5/19/2012 **
5/20/2012 **
5/21/2012 **
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 0.00
6/2/2012 0.00
6/3/2012 0.01
6/4/2012 0.00
6/5/2012 0.00
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 0.00
6/18/2012 0.00
6/19/2012 0.00
6/20/2012 0.00
6/21/2012 0.00
6/22/2012 0.00
6/23/2012 0.00
6/24/2012 0.00
6/25/2012 0.00
6/26/2012 0.00
6/27/2012 0.06
6/28/2012 T
6/29/2012 T
6/30/2012 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2012 0.00
7/2/2012 0.00
7/3/2012 T
7/4/2012 0.00
7/5/2012 0.04
7/6/2012 0.28
7/7/2012 0.01
7/8/2012 T
7/9/2012 0.00
7/10/2012 T
7/11/2012 0.00
7/12/2012 0.00
7/13/2012 0.00
7/14/2012 0.07
7/15/2012 0.42
7/16/2012 0.03
7/17/2012 0.01
7/18/2012 0.00
7/19/2012 0.00
7/20/2012 0.00
7/21/2012 0.09
7/22/2012 0.00
7/23/2012 0.01
7/24/2012 0.00
7/25/2012 0.07
7/26/2012 0.00
7/27/2012 0.00
7/28/2012 0.40
7/29/2012 0.00
7/30/2012 T
7/31/2012 0.00
8/1/2012 0.01
8/2/2012 0.08
8/3/2012 0.00
8/4/2012 0.00
8/5/2012 0.00
8/6/2012 0.00
8/7/2012 0.00
8/8/2012 0.00
8/9/2012 0.00
8/10/2012 T
8/11/2012 0.01
8/12/2012 0.01
8/13/2012 0.00
8/14/2012 0.11
8/15/2012 0.00
8/16/2012 0.00
8/17/2012 0.00
8/18/2012 0.00
8/19/2012 0.00
8/20/2012 0.00
8/21/2012 0.01
8/22/2012 0.00
8/23/2012 0.33
8/24/2012 0.26
8/25/2012 0.06
8/26/2012 0.00
8/27/2012 0.00
8/28/2012 0.00
8/29/2012 0.00
8/30/2012 0.00
8/31/2012 0.00
9/1/2012 0.00
9/2/2012 T
9/3/2012 0.00
9/4/2012 0.00
9/5/2012 0.00
9/6/2012 0.00
9/7/2012 0.05
9/8/2012 0.00
9/9/2012 0.00
9/10/2012 0.00
9/11/2012 0.00
9/12/2012 1.12
9/13/2012 0.01
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 0.02
9/25/2012 0.34
9/26/2012 0.19
9/27/2012 0.25
9/28/2012 T
9/29/2012 0.00
9/30/2012 0.00



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 Afternoon clouds built up over the San Juans but no rain here.
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 0.01 M M M M
10/5/2011 7:00 AM 0.47 M M M M After some sun in the morning, rain started around 11 am and 0.42" fell by 5 pm. High 59º, low 38º. This morning is mostly clear, for now.
10/6/2011 7:00 AM 0.07 M M M M Yesterday was nicer than expected with sunny skies until late afternoon then some rain overnight. I removed the funnel and inner cylinder, expecting first freeze tonight and through the weekend.
10/7/2011 7:00 AM 0.13 T M T M Yesterday morning was cloudy and windy then pretty steady rain fell for a while even a few snow flakes around noon then the skys cleared for the afternoon but clouds came back by 5 pm and spit flurries for a while. First snow of the season and first hard freeze to 24º.
10/8/2011 7:00 AM 0.00 0.0 M M M Nice sunny but cool day , high 52º, low 26º.
10/9/2011 7:00 AM 0.00 0.0 M 0.0 M
10/10/2011 7:00 AM 0.00 0.0 M 0.0 M The days are still chilly but sunny, high 52, low 25º.
10/11/2011 7:00 AM 0.01 M M M M Surprise, a little rain overnight, key word being "little". Cloudy this morning.
10/12/2011 7:00 AM 0.00 0.0 M M M Finally Indian Summer with a high of 60º and a low of 31º.
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 Another nice day, high 64º, low 31º.
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 High 71º, low 36º
10/17/2011 7:00 AM T M M M M Gusty windy and a few raindrops falling at 7 am this morning.
10/18/2011 7:00 AM 0.00 0.0 M M M A noticeably cooler day, high 57º, low 22º.
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 Cloudy this morning, no frost, low 42º.
10/26/2011 7:00 AM 0.49 0.6 M 0.5 M There was a trace of rain in the early afternoon, then rain in the wee hours followed by sleet or graupel and a clap of thunder followed by snow by 6 am.
10/27/2011 7:00 AM 0.22 1.2 M 0.5 M Snow fell all morning as well as off and on the rest of the day. I saw no rain so all the moisture in the gauge most likely fell as snow. The high was only 39º, low 30º.
10/28/2011 7:00 AM 0.00 0.0 M T M The clouds cleared after noon but it didn't get very warm, high 42º, low 17º!
10/29/2011 7:00 AM 0.00 0.0 M T M Still a trace of snow in the shade.
10/30/2011 7:00 AM 0.00 0.0 M T M
10/31/2011 7:00 AM 0.00 0.0 M T M Slowly warming up, high 53º, low 23º.
11/1/2011 7:00 AM 0.00 0.0 M T M
11/2/2011 7:00 AM 0.84 8.0 M 8.0 M Surprise, first big snow! Much more than forecast. The precipitation amount was one of the highest I have measured in one day. There was enough wind to drift a lot and make snow measurement tricky.
11/3/2011 7:00 AM 0.01 0.1 M 6.0 M Light snow fell through most of yesterday morning until the sky cleared, low this am of 7º.
11/4/2011 7:00 AM 0.00 0.0 M 4.0 M The temperature this morning at 6 am was 37º compared to 7º the previous morning. Windy from the SE too.
11/5/2011 7:00 AM 0.06 T M 1.5 M Rain overnight (with a few flakes) melted a lot of snow, also temperatures haven't reached freezing in about 30 hours.
11/6/2011 7:00 AM 0.11 0.9 M 2.0 M Yesterday morning was fairly warm. Light snow started falling by early afternoon but didn't stick until nearly dark.
11/7/2011 7:00 AM T T M 1.0 M Just a flurry in the late afternoon.
11/8/2011 7:00 AM T T M T M A few flakes this morning early.
11/9/2011 7:00 AM 0.00 0.0 M T M
11/10/2011 7:00 AM 0.00 0.0 M T M
11/11/2011 7:00 AM 0.00 0.0 M T M
11/12/2011 7:00 AM 0.00 0.0 M T M Cloudy day, high of 47º, low 25º.
11/13/2011 7:00 AM 0.00 0.0 M T M
11/14/2011 7:00 AM T 0.0 M T M A few rain drops in the afternoon.
11/15/2011 7:00 AM 0.00 0.0 M T M
11/16/2011 7:00 AM 0.00 0.0 M T M
11/17/2011 7:00 AM 0.00 0.0 M T M It never warmed up much yesterday even though it was sunny, high 39º low 14º.
11/18/2011 7:00 AM 0.00 0.0 M T M
11/19/2011 7:00 AM 0.00 0.0 M T M
11/20/2011 7:00 AM 0.00 0.0 M T M
11/21/2011 7:00 AM 0.00 0.0 M T M
11/22/2011 7:00 AM T T M T M A morning flurry and an afternoon flurry with sun in between. There was some graupel overnight.
11/23/2011 7:00 AM 0.00 0.0 M 0.0 M
11/24/2011 7:00 AM 0.00 0.0 M 0.0 M
11/25/2011 7:00 AM 0.05 0.0 M 0.0 M It was a beautiful warm sunny day until late afternoon clouds came in, then is rained overnight. There was no frost or snow.
11/26/2011 7:00 AM 0.00 0.0 M 0.0 M Cooler with an unpleasant NW wind in the afternoon, high 45º, low 18º.
11/27/2011 7:00 AM 0.00 0.0 M 0.0 M A cold day, high 33º, low 10º.
11/28/2011 7:00 AM 0.00 0.0 M 0.0 M
11/29/2011 7:00 AM 0.00 0.0 M 0.0 M
11/30/2011 7:00 AM 0.00 0.0 M 0.0 M Nice weather for late November.
12/1/2011 7:00 AM 0.00 0.0 M 0.0 M
12/2/2011 7:00 AM 0.00 0.0 M 0.0 M
12/3/2011 7:00 AM 0.06 0.9 M 1.0 M Most of the snow fell after midnight.
12/4/2011 7:00 AM 0.16 2.3 M 3.0 M Light snow all day.
12/5/2011 7:00 AM 0.12 1.3 M 4.0 M Snow all day again. High of 32º and low of 13º by 7 am but temp continued to fall to 10º by 8 am.
12/6/2011 7:00 AM 0.00 0.0 M 3.5 M A calm sunny day didn't seem so cold even with a high of only 25º, low -9º.
12/7/2011 7:00 AM 0.00 0.0 M 3.0 M
12/8/2011 7:00 AM 0.00 0.0 M 2.5 M High 31º, low 7º.
12/9/2011 7:00 AM 0.00 0.0 M 2.5 0.29
12/10/2011 7:00 AM 0.00 0.0 M 2.0 M
12/11/2011 7:00 AM 0.00 0.0 M 2.0 M
12/12/2011 7:00 AM 0.00 0.0 M 2.0 M
12/13/2011 7:00 AM 0.00 0.0 M 1.0 M
12/14/2011 7:00 AM 0.77 8.0 M 8.0 M Winter wonderland! Just in time. Yesterday's high temp of 43º melted most of the ground cover leaving mud. Lots of snow overnight. Slushy on the bottom. Enough wind for drifts.
12/15/2011 7:00 AM 0.08 1.0 M 9.0 M
12/16/2011 7:00 AM 0.00 0.0 M 8.5 M The snow cover is uneven due to drifting making depth measurement an estimate.
12/17/2011 7:00 AM 0.00 0.0 M 8.5 M It was one of those days that are cold, high 31º, low 2º but was pleasant with lots of sun and no wind.
12/18/2011 7:00 AM 0.00 0.0 M 8.0 M
12/19/2011 7:00 AM 0.00 0.0 M 7.5 M
12/20/2011 7:00 AM 0.00 0.0 M 7.0 M
12/21/2011 7:00 AM 0.00 0.0 M 6.5 M
12/22/2011 7:00 AM 0.10 1.6 M 8.0 M Snow overnight continues this morning.
12/23/2011 7:00 AM 0.15 1.9 M 10.0 M Light snow all day until dusk.
12/24/2011 7:00 AM 0.00 0.0 M 9.5 M
12/25/2011 7:00 AM 0.00 0.0 M 9.0 M
12/26/2011 7:00 AM 0.00 0.0 M 8.5 M
12/27/2011 7:00 AM 0.00 0.0 M 8.0 M High up to 40º, low 8º.
12/28/2011 7:00 AM 0.00 0.0 M 8.0 M
12/29/2011 7:00 AM 0.00 0.0 M 8.0 M
12/30/2011 7:00 AM 0.00 0.0 M 7.5 M Nice day - high 45º, low 25º
12/31/2011 7:00 AM 0.00 0.0 M 7.0 M
1/1/2012 7:00 AM 0.00 0.0 M 6.5 M The wind brought in colder air with a high of 33º and a low of 7º after a previous day high of 47º. December total precipitation was 1.44" with 17.0" of snow and a calendar year precipitation total of 13.09".
1/2/2012 7:00 AM 0.00 0.0 M 6.5 M
1/3/2012 7:00 AM 0.00 0.0 M 6.5 M
1/4/2012 7:00 AM 0.00 0.0 M 6.0 M
1/5/2012 7:00 AM 0.00 0.0 M 6.0 M
1/6/2012 7:00 AM 0.00 0.0 M 5.5 M
1/7/2012 7:00 AM 0.00 0.0 M 5.5 M
1/8/2012 7:00 AM 0.06 0.9 M 6.5 M Snow started around 5 pm. High was 44º, low 21º.
1/9/2012 7:00 AM 0.00 0.0 M 6.5 M
1/10/2012 7:00 AM 0.00 0.0 M 6.5 M
1/11/2012 7:00 AM 0.00 0.0 M 6.5 M Very nice weather, warm and sunny. High 41º, low 15º.
1/12/2012 7:00 AM 0.00 0.0 M 6.5 M
1/13/2012 7:00 AM 0.00 0.0 M 6.5 M
1/14/2012 7:00 AM 0.00 0.0 M 6.5 M
1/15/2012 7:00 AM 0.00 0.0 M 6.5 M
1/16/2012 7:00 AM T T M 6.5 M High 48º low 33º. Cloudy this morning, snow likely.
1/17/2012 7:00 AM 0.01 0.2 M 6.5 M Cloudy all dy with some morning snow and more with a windy front passage after 4:30 pm. High 42º, low -2º.
1/18/2012 7:00 AM 0.00 0.0 M 6.5 M
1/19/2012 7:00 AM 0.00 0.0 M 6.5 M
1/20/2012 7:00 AM 0.00 0.0 M 6.0 M A warm day, high 50º, low 37º. My snow is getting slushy.
1/21/2012 7:00 AM 0.00 0.0 M 5.5 M
1/22/2012 7:00 AM 0.39 1.7 M 7.0 M Mostly rain fell all afternoon then sleet, graupel and snow after dark with wind. New snow measurement very difficult.
1/23/2012 7:00 AM 0.00 0.0 M 6.5 M
1/24/2012 9:30 AM 0.19 2.6 M 9.0 M Snow overnight continues.
1/25/2012 7:00 AM 0.02 0.3 M 8.5 M Light snow fell all day until late afternoon clearing.
1/26/2012 7:00 AM 0.00 0.0 M 8.5 M A nice day between storms, high 40º, low 10º.
1/27/2012 7:00 AM 0.21 2.1 M 9.5 M Snow overnight again with graupel on top. Slushy underneath.
1/28/2012 7:00 AM 0.00 0.0 M 9.5 M
1/29/2012 7:00 AM 0.00 0.0 M 9.0 M
1/30/2012 7:00 AM 0.00 0.0 M 9.0 M
1/31/2012 7:00 AM 0.00 0.0 M 9.0 M
2/1/2012 7:00 AM 0.00 0.0 M 8.5 M Sunny warm day, high 49º, low 12º. January total precipitation was 0.88" with 7.8" of snow.
2/2/2012 7:00 AM 0.00 0.0 M 8.5 M
2/3/2012 7:00 AM 0.02 0.3 M 8.5 M Snow start falling at noon but temperature was above 40º until about 4 pm and it wasn't sticking.
2/4/2012 7:00 AM 0.00 0.0 M 8.0 M
2/5/2012 7:00 AM 0.00 0.0 M 8.0 M
2/6/2012 7:00 AM 0.10 1.1 M 9.0 M Surprise snow overnight, still coming down.
2/7/2012 7:00 AM 0.07 1.5 M 10.0 M The sky mostly cleared in the afternoon but some more snow fell after dark.
2/8/2012 7:00 AM 0.00 0.0 M 9.5 M
2/9/2012 7:00 AM 0.06 1.0 M 10.0 M
2/10/2012 7:00 AM T T M 10.0 M Light flurries in the late afternoon.
2/11/2012 7:00 AM 0.00 0.0 M 9.0 M
2/12/2012 7:00 AM 0.00 0.0 M 8.5 M Mostly cloudy warm day, high 53º, low 33º.
2/13/2012 7:00 AM 0.10 1.9 M 10.0 3.26 This SWE is 0.59" more than I have measured in precip this winter but this is the third time my SWE measure has come up high. I can only conclude that my gauge has missed some blowing precipitation/snow.
2/14/2012 7:00 AM T T M 9.5 M
2/15/2012 7:00 AM 0.16 3.2 M 12.5 M Snow fell overnight, very powdery.
2/16/2012 7:00 AM T T M 11.5 M It was a beautiful sunny day but there were some late afternoon flurries. High 43º, low 13º.
2/17/2012 7:00 AM 0.00 0.0 M 10.5 M
2/18/2012 7:00 AM 0.00 0.0 M 10.0 M
2/19/2012 7:00 AM 0.00 0.0 M 9.5 M
2/20/2012 7:00 AM 0.41 8.0 M 17.0 M Rough measurements. The gauge was full with a little cornice on the leeward side. Snow depths from 7.1" to 9.8" noted. Wind blown snow falling at 6 am nearly stopped at 7 am. There were light flurries yesterday afternoon but most fell after dark.
2/21/2012 7:00 AM T T M 16.0 M
2/22/2012 7:00 AM 0.00 0.0 M 13.0 M New snow is melting fast with 48º high.
2/23/2012 7:00 AM T T M 11.5 M
2/24/2012 7:00 AM 0.00 0.0 M 10.5 M
2/25/2012 7:00 AM 0.00 0.0 M 10.0 M
2/26/2012 7:00 AM 0.00 0.0 M 9.5 M
2/27/2012 7:00 AM 0.00 0.0 M 9.5 M
2/28/2012 7:00 AM 0.28 1.7 M 10.5 M Snow fell after dark. It was wind-blown. Measurements are a guess.
2/29/2012 7:00 AM 0.14 1.9 M 12.0 M
3/1/2012 7:00 AM 0.00 0.0 M 11.0 M There was total precipitation of 1.34" and 20.5" of snow in February.
3/2/2012 9:00 AM 0.33 2.5 M 12.5 M Windblown snow!
3/3/2012 7:00 AM 0.03 0.6 M 12.0 M Still lots of wind. Colder with a low of -2º this morning. I haven't had too much really cold weather this year.
3/4/2012 7:00 AM 0.00 0.0 M 11.0 M
3/5/2012 7:00 AM 0.00 0.0 M 11.0 3.05
3/6/2012 7:00 AM 0.00 0.0 M 10.0 M Temps up to 50º, lots of melting.
3/7/2012 7:00 AM 0.00 0.0 M 9.5 M
3/8/2012 7:00 AM 0.04 1.0 M 10.0 M It snowed hard from about 1:30 to 3:30. A lot of it melted.
3/9/2012 7:00 AM 0.00 0.0 M 9.0 M
3/10/2012 7:00 AM 0.00 0.0 M 8.0 M
3/11/2012 7:00 AM 0.00 0.0 M 7.5 M
3/12/2012 7:00 AM 0.00 0.0 M 6.5 M
3/13/2012 7:00 AM 0.00 0.0 M 5.5 M Another warm day (high 53º, low 28º) with lots of slushy snow. Mud season
3/14/2012 7:00 AM 0.00 0.0 M 4.0 M
3/15/2012 7:00 AM 0.00 0.0 M 1.5 M
3/16/2012 7:00 AM 0.00 0.0 M 0.5 M Close to the end of the melt-off, only patches, shaded spots and drifted piles left but more than a trace. High 59º, low 28º.
3/17/2012 7:00 AM 0.00 0.0 M T M First day in the 60's
3/18/2012 7:00 AM 0.00 0.0 M T M
3/19/2012 7:00 AM 0.23 2.5 M 2.0 M Yesterday afternoon the high reached 51º then rain started around 1:30, heavy snow started around 2:30 and lasted about 2 hours and the temperature dropped into the 30's. Much colder low overnight of 18º.
3/20/2012 7:00 AM T T M T M
3/25/2012 7:00 AM 0.00 0.0 M T M Remaining snow is in deep shade. Yesterday's high was 69º, low 34º
3/26/2012 7:00 AM 0.00 0.0 M T M All the way up to 72º.
3/27/2012 7:00 AM 0.00 0.0 M T M
3/28/2012 7:00 AM 0.00 0.0 M T M
3/29/2012 7:00 AM 0.00 0.0 M T M
3/30/2012 7:00 AM 0.00 0.0 M T M
3/31/2012 7:00 AM 0.00 0.0 M T M Unseasonably warm with a high of 67º, low 34º, typical of the last few days.
4/1/2012 7:00 AM 0.00 0.0 M 0.0 M Total precipitation for March was 0.66" which was 6.6" of snow. Note: my remaining trace of snow melted yesterday.
4/2/2012 7:00 AM T T M T M High of 71º yesterday, low 30º this morning with snow.
4/3/2012 7:00 AM 0.25 2.2 M 1.5 M Snow all day until clearing started around 5 pm. Just the moisture I needed as the ground warms up.
4/4/2012 7:00 AM T 0.0 M 0.0 M Sprinkles in the early afternoon.
4/5/2012 7:00 AM 0.00 0.0 M 0.0 M
4/6/2012 7:00 AM 0.00 0.0 M 0.0 M
4/7/2012 7:00 AM 0.00 0.0 M 0.0 M Colder air blew in yesterday, this morning's low is 12º.
4/8/2012 7:00 AM 0.00 0.0 M 0.0 M
4/9/2012 7:00 AM 0.00 0.0 M M M
4/10/2012 7:00 AM 0.00 0.0 M 0.0 M
4/11/2012 7:00 AM 0.00 0.0 M 0.0 M Unseasonably warm, high 76º, low 40º.
4/12/2012 7:00 AM T 0.0 M 0.0 M Lots of wind with dust blew in some sprinkles just before 5 pm.
4/13/2012 7:00 AM T T M 0.0 M
4/14/2012 7:00 AM 0.00 0.0 M 0.0 M
4/15/2012 6:15 AM 0.23 3.3 M 3.0 M A dreary day but with more moisture than expected. Snow fell heavily from 2:45 to about 4:30 but melted quickly. Snow started again around 8 pm. New snowfall is what was on the ground this morning.
4/16/2012 7:00 AM 0.06 0.5 M 0.5 M A mixed bag of weather with snow stopping by noon then clearing then more flurries before dark then more snow over night. Half of the precipitation fell before dark half after.
4/17/2012 7:00 AM 0.00 0.0 M 0.0 M
4/18/2012 7:00 AM 0.00 0.0 M 0.0 M
4/19/2012 7:00 AM 0.00 0.0 M 0.0 M
4/20/2012 7:00 AM 0.01 0.0 M 0.0 M There was some thunder with showers around 5:30pm.
4/21/2012 7:00 AM 0.00 0.0 M 0.0 M
4/22/2012 7:00 AM 0.00 0.0 M 0.0 M Lovely weather, high 72º, low 33º
4/23/2012 7:00 AM 0.00 0.0 M 0.0 M High 76º, low 39º.
4/24/2012 7:00 AM 0.00 0.0 M 0.0 M
4/25/2012 7:00 AM 0.00 0.0 M 0.0 M The warmest day of the year with SW winds; high 81º, low 48º.
4/26/2012 7:00 AM T 0.0 M 0.0 M Sprinkles in the late afternoon.
4/27/2012 7:00 AM 0.20 0.0 M 0.0 M A front blew through with rain about 5 pm but the heavy rain started just after 8 pm. Cooler low of 41º.
4/28/2012 7:00 AM T T M 0.0 M Cooler,cloudy and windy high 62º, low 29º.
4/29/2012 7:00 AM 0.00 0.0 M 0.0 M Still cool, high 60º, low 26º.
4/30/2012 7:00 AM 0.00 0.0 M 0.0 M Never really warmed up yesterday, high 62º, low 25º.
5/1/2012 7:00 AM 0.00 0.0 M 0.0 M
5/2/2012 7:00 AM 0.00 0.0 M 0.0 M
5/3/2012 7:00 AM 0.00 0.0 M 0.0 M
5/4/2012 7:00 AM 0.00 0.0 M 0.0 M High 76º, low 38º. I started irrigating yesterday.
5/5/2012 7:00 AM 0.00 0.0 M 0.0 M
5/6/2012 7:00 AM 0.00 0.0 M 0.0 M Cooler, high 73º, low 30º.
5/7/2012 7:00 AM 0.00 0.0 M M M
5/8/2012 7:00 AM 0.08 0.0 M 0.0 M Showers came in with wind from the SE around noon. A high temp of 64º was followed by a 46º reading at 3 pm and frost of 30º this morning with clear skies.
5/9/2012 7:00 AM 0.00 0.0 M 0.0 M
5/10/2012 7:00 AM 0.00 0.0 M 0.0 M
5/11/2012 7:00 AM 0.00 0.0 M 0.0 M Feeling warmer, high 76º, low 36º.
5/12/2012 7:00 AM 0.01 0.0 M 0.0 M Cloudy most of the day. Several gusty thunder-less storms came through in the afternoon with little precipitation. High 74º, low 36º
5/13/2012 7:00 AM 0.00 0.0 M 0.0 M
5/14/2012 7:00 AM 0.00 0.0 M 0.0 M Strong north winds in mid afternoon.
5/15/2012 7:00 AM 0.00 0.0 M 0.0 M
5/16/2012 7:00 AM 0.00 0.0 M 0.0 M Hot, up to 82º
5/17/2012 7:00 AM T 0.0 M 0.0 M A few drops
5/23/2012 7:00 AM 0.00 0.0 M M M High 83º, low 57º.
5/24/2012 7:00 AM 0.00 0.0 M 0.0 M Windy late in the day and a bit cooler this morning, high 73º, low 43º. Lots of rain clouds blew by but no raindrops were seen.
5/25/2012 7:00 AM 0.00 0.0 M 0.0 M High temperature only 69º, low 46º.
5/26/2012 7:00 AM 0.00 0.0 M 0.0 M
5/27/2012 7:00 AM 0.00 0.0 M 0.0 M Windy, so much dust in the air by sundown that visibility was down to a couple of hundred yards, then a low of 25º.
5/28/2012 7:00 AM 0.00 0.0 M 0.0 M 25º again this morning, lots of frost bite.
5/29/2012 7:00 AM 0.00 0.0 M 0.0 M
5/30/2012 7:00 AM 0.00 0.0 M 0.0 M Warming slowly, high 78º, low 35º.
5/31/2012 7:00 AM 0.00 0.0 M 0.0 M
6/1/2012 7:00 AM 0.00 0.0 M M M May was the driest month I've experienced here. Total precipitation was 0.09" falling over 2 days. There was no snow to measure.
6/2/2012 7:00 AM 0.00 0.0 M M M
6/3/2012 7:00 AM 0.01 M M M M A dark cloud formed over the San Juans and came through here with a brief but measurable shower around 1 pm.
6/4/2012 7:00 AM 0.00 0.0 M M M Warming to 87º, low of 60º.
6/5/2012 7:00 AM 0.00 0.0 M M M There could have been a few drops with all those clouds but I didn't see it.
6/6/2012 7:00 AM 0.00 0.0 M M M After a windy day there is lots of dust in the air this morning.
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 Low of 29º this morning, quite late for that and broccoli sprouts paid the price. Tomatoes still safe in wall-o-waters.
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 Sunrise is now just before 6:45 am, solstice is next week. Days will be getting shorter.
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 Clouds built up for the first day in a while but no rain. High 86, low 45º.
6/16/2012 7:00 AM 0.00 0.0 M M M A few clouds
6/17/2012 7:00 AM 0.00 0.0 M M M
6/18/2012 7:00 AM 0.00 0.0 M M M A nice hot sunny sometimes gusty day.
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 Yesterday was the warmest day of the year at 88º with a cool low of 41º.
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 My first day to hit 90º, low 50º, windy.
6/24/2012 7:00 AM 0.00 0.0 M M M Yesterday's high was 92º, low 55º. That's about as warm as it gets here at 6900'.
6/25/2012 7:00 AM 0.00 0.0 M M M I saw some virga yesterday which was different because there haven't been many clouds this summer.
6/26/2012 7:00 AM 0.00 0.0 M M M All the way up to 96º yesterday. I went up to Silverjack fishing, it was cooler there. Some clouds, lots of smoke and dust in the air.
6/27/2012 7:00 AM 0.06 M M M M A bit of rain last night! It was a surprise to me.
6/28/2012 7:00 AM T M M M M I felt some sprinkles just after noon but the clouds thinned out after that.
6/29/2012 7:00 AM T M M M M There was more convective action yesterday with some thunder and a few sprinkles.
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 T M M M M I had a few drops out of a cloud around 8 pm.
7/4/2012 7:00 AM 0.00 0.0 M M M
7/5/2012 7:00 AM 0.04 M M M M The high was 85º, then as the storm passed it went down to 65º. Nice to have some rain in the gauge.
7/6/2012 7:00 AM 0.28 M M M M It was a nice slow soaker, from mid afternoon into evening. Thunder rumbles but not violent.
7/7/2012 7:00 AM 0.01 M M M M Lots of moisture but not much storm development.
7/8/2012 7:00 AM T M M M M More of the same, cooler, many clouds but little rain.
7/9/2012 7:00 AM 0.00 0.0 M M M The wimpy monsoon seems to be over (for now).
7/10/2012 7:00 AM T M M M M I was out pulling weeds about 7:30 last night, a cloud parked overhead and big drops fell for several minutes. Very refreshing.
7/11/2012 7:00 AM 0.00 0.0 M M M Cumulus clouds all day.
7/12/2012 7:00 AM 0.00 0.0 M M M
7/13/2012 7:00 AM 0.00 0.0 M M M
7/14/2012 7:00 AM 0.07 M M M M
7/15/2012 7:00 AM 0.42 M M M M Good rain, afternoon into evening. The most precipitation in one day this year.
7/16/2012 7:00 AM 0.03 M M M M
7/17/2012 7:00 AM 0.01 M M M M Cool day
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 0.09 M M M M Clouds and thunder in the late afternoon brought some sprinkles but most rain fell after dark.
7/22/2012 7:00 AM 0.00 0.0 M M M
7/23/2012 7:00 AM 0.01 M M M M
7/24/2012 7:00 AM 0.00 0.0 M M M There was probably a trace but I wasn't home to see it.
7/25/2012 7:00 AM 0.07 M M M M It actually rained for a while late yesterday afternoon, just not very hard.
7/26/2012 7:00 AM 0.00 0.0 M M M The temp only got up to 84º, low 50º. Pretty cool for a sunny day in July.
7/27/2012 7:00 AM 0.00 0.0 M M M
7/28/2012 7:00 AM 0.40 M M M M I emptied 0.01" from the gauge at 7 pm, then the real rain started just before dark.
7/29/2012 7:00 AM 0.00 0.0 M M M
7/30/2012 7:00 AM T M M M M Rain looked more likely but I only got sprinkles.
7/31/2012 7:00 AM 0.00 0.0 M M M
8/1/2012 7:00 AM 0.01 M M M M A dark cloud sat over the valley all afternoon and evening but I only got a little bit of rain. Total precipitation for July was 1.44" with measurable amounts falling on 12 days and trace amounts on 4 days. Wettest month since December.
8/2/2012 7:00 AM 0.08 M M M M There was 0.05" at 7 pm then the rest fell after dark. Cool 50º this morning.
8/3/2012 7:00 AM 0.00 0.0 M M M
8/4/2012 7:00 AM 0.00 0.0 M M M After a high of 88º a low of 47º was surprising and nippy.
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 0.00 0.0 M M M
8/9/2012 7:00 AM 0.00 0.0 M M M
8/10/2012 7:00 AM T M M M M It got fairly hot (90º) before dark clouds formed to the south and headed this way. The rain was a large trace but not quite enough to float the ant in the bottom of the gauge.
8/11/2012 7:00 AM 0.01 M M M M Just a bit more than a trace - mostly after dark.
8/12/2012 7:00 AM 0.01 M M M M There was a short shower around 8 pm.
8/13/2012 7:00 AM 0.00 0.0 M M M
8/14/2012 7:00 AM 0.11 M M M M Rain started just after I took the ribs off the grill around 6:30 pm. High of only 81º, low 45º.
8/15/2012 7:00 AM 0.00 0.0 M M M
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 0.00 0.0 M M M Still lots of smoke, low of 51º this morning.
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 0.01 M M M M
8/22/2012 7:00 AM 0.00 0.0 M M M Sunrise is now after 7:30 am, where it was at 6:45 just 2 months ago. It is noticeably darker when I get up in the morning.
8/23/2012 7:00 AM 0.33 M M M M Good rain overnight, smells like cedar this morning
8/24/2012 7:00 AM 0.26 M M M M There was about 0.03" at 7 pm, the rest came in the night.
8/25/2012 7:00 AM 0.06 M M M M The sky had cleared off by mid afternoon but a thunderstorm built up and rained and blew around dark. High 75º, low 45º. Not a summery day.
8/26/2012 7:00 AM 0.00 0.0 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
8/29/2012 7:00 AM 0.00 0.0 M M M
8/30/2012 7:00 AM 0.00 0.0 M M M
8/31/2012 7:00 AM 0.00 0.0 M M M High 86º, low 49º afternoon clouds.
9/1/2012 7:00 AM 0.00 0.0 M M M More cloud build-up in afternoon but no precipitation.
9/2/2012 7:00 AM T M M M M
9/3/2012 7:00 AM 0.00 0.0 M M M High 81, low 51º.
9/4/2012 7:00 AM 0.00 0.0 M M M Low of 44º
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 0.05 M M M M Surprise rain overnight
9/8/2012 7:00 AM 0.00 0.0 M M M Yesterday was a nice day but the high only reached 75º, low 42º.
9/9/2012 7:00 AM 0.00 0.0 M M M
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 1.12 M M M M The bonanza, a new record! Yesterday was cloudy all day with sprinkles but only about 0.02" before 4 pm, between 4 and 5 pm the gauge went up to 0.16" then by 7 pm up to 0.89" when I emptied it. Overnight another 0.23 fell for a total of 1.12".
9/13/2012 7:00 AM 0.01 M M M M The high was only 69º, low 38º.
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 A dry cold front came through around noon, the high was only 71º, low 36º but light frost was visible on the lawn.
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 0.02 M M M M A little rain overnight. The low was in the fifties instead of the thirties due to cloud-cover.
9/25/2012 7:00 AM 0.34 M M M M Good rain mostly in later afternoon and just before dark, not sure about how much after dark. New snow visible on the San Juans.
9/26/2012 7:00 AM 0.19 M M M M Rain in the morning with cooler temps. High of only 60º and low of 33º, lots of frost on the grass.
9/27/2012 7:00 AM 0.25 M M M M
9/28/2012 7:00 AM T M M M M
9/29/2012 7:00 AM 0.00 0.0 M M M
9/30/2012 7:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
3/21/2012 3/24/2012 5:00 PM 4 0.00 T M
5/18/2012 5/22/2012 7:00 AM 5 0.00 0.0 0.00 Good vacation to go see the eclipse.



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