Station Overview Station Location
Station Number MT-GN-11 Latitude 45.6578
Station Name Bozeman 1.5 SSE Longitude -111.0272
County Gallatin Elevation (ft) 4938



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 14 1.72 1.06 31 1.06 31 0.00 0 0 10 3 0.0 0 0
Nov 14 1.18 1.71 30 1.71 30 0.00 0 0 8 4 17.1 8 21
Dec 14 0.87 1.42 31 1.42 31 0.00 0 0 11 3 20.3 12 31
Jan 15 0.84 0.48 31 0.48 31 0.00 0 0 8 5 9.3 9 31
Feb 15 0.79 0.53 28 0.53 28 0.00 0 0 7 6 6.1 6 18
March 15 1.37 0.63 31 0.63 31 0.00 0 0 6 3 1.7 3 7
April 15 2.29 2.60 30 2.60 30 0.00 0 0 13 2 14.7 7 7
May 15 3.15 3.39 31 3.39 31 0.00 0 0 22 1 0.0 0 0
June 15 3.15 0.74 30 0.74 30 0.00 0 0 10 3 0.0 0 0
July 15 1.50 2.30 31 2.30 31 0.00 0 0 14 4 0.0 0 0
Aug 15 1.41 1.05 31 1.05 31 0.00 0 0 8 3 0.0 0 0
Sept 15 1.46 1.63 30 1.63 30 0.00 0 0 7 2 0.0 0 0
Water Year Totals: 19.73" 17.54" 365 days 17.54" 365 0.00" 0 days 0 124 days 39 days 69.2" 45 days 115 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
10/1/2014 0.28
10/2/2014 0.04
10/3/2014 0.00
10/4/2014 0.00
10/5/2014 0.00
10/6/2014 0.00
10/7/2014 0.00
10/8/2014 0.00
10/9/2014 0.00
10/10/2014 0.00
10/11/2014 T
10/12/2014 0.36
10/13/2014 0.15
10/14/2014 0.00
10/15/2014 0.00
10/16/2014 0.01
10/17/2014 0.00
10/18/2014 0.00
10/19/2014 0.00
10/20/2014 0.00
10/21/2014 0.00
10/22/2014 0.13
10/23/2014 0.00
10/24/2014 0.00
10/25/2014 0.01
10/26/2014 0.02
10/27/2014 0.02
10/28/2014 T
10/29/2014 0.04
10/30/2014 T
10/31/2014 0.00
11/1/2014 0.00
11/2/2014 0.02
11/3/2014 T
11/4/2014 0.00
11/5/2014 0.00
11/6/2014 0.00
11/7/2014 0.00
11/8/2014 0.00
11/9/2014 0.00
11/10/2014 0.36
11/11/2014 0.06
11/12/2014 T
11/13/2014 0.00
11/14/2014 0.03
11/15/2014 0.11
11/16/2014 0.00
11/17/2014 0.00
11/18/2014 0.00
11/19/2014 0.00
11/20/2014 0.00
11/21/2014 0.00
11/22/2014 0.00
11/23/2014 0.05
11/24/2014 0.00
11/25/2014 T
11/26/2014 0.78
11/27/2014 T
11/28/2014 0.00
11/29/2014 0.00
11/30/2014 0.30
12/1/2014 0.00
12/2/2014 T
12/3/2014 0.00
12/4/2014 0.00
12/5/2014 0.00
12/6/2014 0.00
12/7/2014 0.04
12/8/2014 0.00
12/9/2014 0.00
12/10/2014 0.00
12/11/2014 0.00
12/12/2014 0.00
12/13/2014 0.00
12/14/2014 0.32
12/15/2014 0.30
12/16/2014 0.00
12/17/2014 0.06
12/18/2014 0.00
12/19/2014 0.00
12/20/2014 T
12/21/2014 0.00
12/22/2014 0.05
12/23/2014 0.04
12/24/2014 0.00
12/25/2014 0.40
12/26/2014 T
12/27/2014 0.03
12/28/2014 0.03
12/29/2014 0.13
12/30/2014 0.02
12/31/2014 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2015 0.00
1/2/2015 0.00
1/3/2015 0.18
1/4/2015 0.04
1/5/2015 T
1/6/2015 T
1/7/2015 0.00
1/8/2015 0.00
1/9/2015 0.02
1/10/2015 T
1/11/2015 0.08
1/12/2015 0.09
1/13/2015 0.01
1/14/2015 0.00
1/15/2015 0.00
1/16/2015 0.00
1/17/2015 0.00
1/18/2015 0.00
1/19/2015 T
1/20/2015 0.04
1/21/2015 0.02
1/22/2015 0.00
1/23/2015 0.00
1/24/2015 0.00
1/25/2015 T
1/26/2015 0.00
1/27/2015 0.00
1/28/2015 0.00
1/29/2015 0.00
1/30/2015 0.00
1/31/2015 0.00
2/1/2015 T
2/2/2015 0.00
2/3/2015 0.00
2/4/2015 0.17
2/5/2015 0.00
2/6/2015 0.00
2/7/2015 0.00
2/8/2015 0.00
2/9/2015 0.00
2/10/2015 T
2/11/2015 0.02
2/12/2015 0.00
2/13/2015 0.00
2/14/2015 0.00
2/15/2015 T
2/16/2015 0.07
2/17/2015 T
2/18/2015 0.00
2/19/2015 0.00
2/20/2015 0.05
2/21/2015 0.16
2/22/2015 0.03
2/23/2015 0.00
2/24/2015 0.00
2/25/2015 T
2/26/2015 0.03
2/27/2015 0.00
2/28/2015 T
3/1/2015 0.00
3/2/2015 0.00
3/3/2015 0.05
3/4/2015 0.00
3/5/2015 0.00
3/6/2015 0.00
3/7/2015 0.00
3/8/2015 0.00
3/9/2015 0.00
3/10/2015 0.00
3/11/2015 0.00
3/12/2015 0.00
3/13/2015 0.00
3/14/2015 0.00
3/15/2015 0.00
3/16/2015 0.00
3/17/2015 T
3/18/2015 0.26
3/19/2015 0.01
3/20/2015 0.00
3/21/2015 0.00
3/22/2015 0.02
3/23/2015 0.00
3/24/2015 0.16
3/25/2015 0.13
3/26/2015 T
3/27/2015 0.00
3/28/2015 0.00
3/29/2015 T
3/30/2015 0.00
3/31/2015 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2015 0.26
4/2/2015 T
4/3/2015 0.04
4/4/2015 0.00
4/5/2015 0.02
4/6/2015 0.19
4/7/2015 0.23
4/8/2015 0.00
4/9/2015 0.00
4/10/2015 0.00
4/11/2015 0.00
4/12/2015 0.13
4/13/2015 0.00
4/14/2015 0.00
4/15/2015 0.35
4/16/2015 0.36
4/17/2015 0.00
4/18/2015 0.00
4/19/2015 0.00
4/20/2015 0.00
4/21/2015 0.00
4/22/2015 0.00
4/23/2015 0.23
4/24/2015 T
4/25/2015 0.60
4/26/2015 0.04
4/27/2015 0.07
4/28/2015 0.00
4/29/2015 0.00
4/30/2015 0.08
5/1/2015 0.00
5/2/2015 0.00
5/3/2015 0.01
5/4/2015 0.00
5/5/2015 0.00
5/6/2015 0.00
5/7/2015 0.07
5/8/2015 0.05
5/9/2015 0.01
5/10/2015 0.00
5/11/2015 0.00
5/12/2015 0.04
5/13/2015 0.39
5/14/2015 0.02
5/15/2015 0.01
5/16/2015 0.49
5/17/2015 0.63
5/18/2015 0.06
5/19/2015 0.01
5/20/2015 T
5/21/2015 0.00
5/22/2015 0.01
5/23/2015 0.32
5/24/2015 0.23
5/25/2015 0.05
5/26/2015 0.10
5/27/2015 0.02
5/28/2015 0.41
5/29/2015 0.21
5/30/2015 0.24
5/31/2015 0.01
6/1/2015 0.01
6/2/2015 0.15
6/3/2015 0.29
6/4/2015 T
6/5/2015 0.01
6/6/2015 0.00
6/7/2015 0.00
6/8/2015 0.00
6/9/2015 0.00
6/10/2015 0.00
6/11/2015 T
6/12/2015 0.00
6/13/2015 0.00
6/14/2015 0.00
6/15/2015 0.00
6/16/2015 0.05
6/17/2015 0.03
6/18/2015 0.00
6/19/2015 0.08
6/20/2015 0.01
6/21/2015 0.00
6/22/2015 0.04
6/23/2015 0.00
6/24/2015 0.00
6/25/2015 T
6/26/2015 0.00
6/27/2015 0.00
6/28/2015 0.00
6/29/2015 0.00
6/30/2015 0.07
Day of YearDaily PrcpMultiday Prcp
7/1/2015 0.00
7/2/2015 0.00
7/3/2015 0.00
7/4/2015 0.00
7/5/2015 T
7/6/2015 0.15
7/7/2015 0.00
7/8/2015 0.07
7/9/2015 0.00
7/10/2015 0.00
7/11/2015 0.01
7/12/2015 0.02
7/13/2015 0.02
7/14/2015 0.02
7/15/2015 0.05
7/16/2015 0.04
7/17/2015 T
7/18/2015 0.01
7/19/2015 0.00
7/20/2015 0.00
7/21/2015 T
7/22/2015 0.15
7/23/2015 0.21
7/24/2015 0.46
7/25/2015 0.00
7/26/2015 T
7/27/2015 0.08
7/28/2015 1.01
7/29/2015 0.00
7/30/2015 0.00
7/31/2015 0.00
8/1/2015 0.00
8/2/2015 0.00
8/3/2015 0.00
8/4/2015 0.00
8/5/2015 0.12
8/6/2015 0.29
8/7/2015 T
8/8/2015 0.00
8/9/2015 0.21
8/10/2015 0.00
8/11/2015 0.00
8/12/2015 0.00
8/13/2015 0.23
8/14/2015 0.00
8/15/2015 0.00
8/16/2015 0.00
8/17/2015 0.00
8/18/2015 T
8/19/2015 T
8/20/2015 0.00
8/21/2015 0.00
8/22/2015 0.03
8/23/2015 0.00
8/24/2015 0.00
8/25/2015 0.00
8/26/2015 0.00
8/27/2015 0.00
8/28/2015 0.06
8/29/2015 0.00
8/30/2015 0.07
8/31/2015 0.04
9/1/2015 0.00
9/2/2015 0.00
9/3/2015 0.00
9/4/2015 0.01
9/5/2015 0.04
9/6/2015 0.05
9/7/2015 0.00
9/8/2015 0.00
9/9/2015 0.00
9/10/2015 0.00
9/11/2015 0.00
9/12/2015 0.00
9/13/2015 0.00
9/14/2015 0.00
9/15/2015 0.01
9/16/2015 0.79
9/17/2015 0.48
9/18/2015 0.25
9/19/2015 0.00
9/20/2015 0.00
9/21/2015 0.00
9/22/2015 0.00
9/23/2015 0.00
9/24/2015 0.00
9/25/2015 0.00
9/26/2015 0.00
9/27/2015 T
9/28/2015 T
9/29/2015 0.00
9/30/2015 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2014 6:45 AM 0.28 0.0 M 0.0 M
10/2/2014 7:00 AM 0.04 0.0 M 0.0 M
10/3/2014 7:00 AM 0.00 0.0 M 0.0 M
10/4/2014 7:00 AM 0.00 0.0 M 0.0 M
10/5/2014 7:00 AM 0.00 0.0 M 0.0 M
10/6/2014 7:00 AM 0.00 0.0 M 0.0 M
10/7/2014 6:50 AM 0.00 0.0 M 0.0 M
10/8/2014 7:00 AM 0.00 0.0 M 0.0 M
10/9/2014 7:00 AM 0.00 0.0 M 0.0 M
10/10/2014 7:00 AM 0.00 0.0 M 0.0 M
10/11/2014 7:00 AM T 0.0 M 0.0 M A brief, light shower at 0710, scattered virga all morning, and continuous sprinkle around 0900, with no accumulation.
10/12/2014 7:00 AM 0.36 0.0 M 0.0 M
10/13/2014 7:00 AM 0.15 0.0 M 0.0 M
10/14/2014 7:00 AM 0.00 0.0 M 0.0 M
10/15/2014 7:00 AM 0.00 0.0 M 0.0 M
10/16/2014 7:00 AM 0.01 0.0 M 0.0 M Scattered raindrops around 0845 and 1645
10/17/2014 7:00 AM 0.00 0.0 M 0.0 M
10/18/2014 7:00 AM 0.00 0.0 M 0.0 M
10/19/2014 7:00 AM 0.00 0.0 M 0.0 M
10/20/2014 7:00 AM 0.00 0.0 M 0.0 M
10/21/2014 7:00 AM 0.00 0.0 M 0.0 M
10/22/2014 7:00 AM 0.13 0.0 M 0.0 M Virga with scattered raindrops in the AM.
10/23/2014 7:00 AM 0.00 0.0 M 0.0 M
10/24/2014 7:00 AM 0.00 0.0 M 0.0 M
10/25/2014 7:00 AM 0.01 0.0 M 0.0 M
10/26/2014 7:00 AM 0.02 0.0 M 0.0 M
10/27/2014 7:00 AM 0.02 0.0 M 0.0 M Start time is right on; end time is a guess.
10/28/2014 7:00 AM T 0.0 M 0.0 M A brief spate just after noon.
10/29/2014 7:00 AM 0.04 0.0 M 0.0 M
10/30/2014 7:00 AM T 0.0 M 0.0 M
10/31/2014 7:00 AM 0.00 0.0 M 0.0 M
11/1/2014 7:00 AM 0.00 0.0 M 0.0 M
11/2/2014 7:00 AM 0.02 0.0 M 0.0 M Start time is accurate; end is approximate.
11/3/2014 7:00 AM T 0.0 M 0.0 M Start time is right on; end is estimated.
11/4/2014 7:00 AM 0.00 0.0 M 0.0 M
11/5/2014 7:00 AM 0.00 0.0 M 0.0 M
11/6/2014 7:00 AM 0.00 0.0 M 0.0 M
11/7/2014 7:00 AM 0.00 0.0 M 0.0 M
11/8/2014 7:00 AM 0.00 0.0 M 0.0 M
11/9/2014 7:00 AM 0.00 0.0 M 0.0 M
11/10/2014 7:00 AM 0.36 2.6 0.16 2.6 0.16
11/11/2014 7:00 AM 0.06 0.9 0.08 3.0 0.19 Yesterday's ppt ended at 1100; today's started at 1630 and ended about 0400.
11/12/2014 7:00 AM T T T 3.0 0.19
11/13/2014 7:00 AM 0.00 0.0 M 2.8 0.19
11/14/2014 7:00 AM 0.03 0.4 0.03 3.5 0.23
11/15/2014 7:00 AM 0.11 1.8 0.12 4.9 0.27
11/16/2014 7:00 AM 0.00 0.0 M 4.3 0.27
11/17/2014 7:00 AM 0.00 0.0 0.00 4.1 0.27
11/18/2014 7:00 AM 0.00 0.0 M 3.7 0.32
11/19/2014 7:00 AM 0.00 0.0 M 3.7 0.32
11/20/2014 7:00 AM 0.00 0.0 M 3.7 0.32
11/21/2014 7:00 AM 0.00 0.0 M 3.0 0.30
11/22/2014 7:00 AM 0.00 0.0 M 2.4 0.30
11/23/2014 7:00 AM 0.05 0.8 0.04 3.0 0.30 Rain began at 0915 and ended around noon. There was a snow squall in early morning (about 0130 to 0300).
11/24/2014 7:00 AM 0.00 0.0 M 2.5 0.30
11/25/2014 7:00 AM T 0.1 T 2.4 0.30
11/26/2014 7:00 AM 0.78 7.1 0.62 8.5 1.05 Intermittent light rain from 0552 to 1400, then continuous light to moderate snow until about 2200, then intermittent light snow to observation.
11/27/2014 7:00 AM T 0.0 M 7.5 0.89
11/28/2014 7:00 AM 0.00 0.0 M 2.9 0.43
11/29/2014 7:00 AM 0.00 0.0 M 1.2 0.26 Note: Snowpack corrected for ~ 60% cover. I hope it all melts in the next three hours - otherwise the rest of the winter will yield some weird water-equivalent numbers as I sample across buried patches!
11/30/2014 7:00 AM 0.30 3.4 0.33 5.3 0.53 Precip end time is estimate.
12/1/2014 7:00 AM 0.00 0.0 M 4.8 0.66 Note: SWE is on the high side as it includes a patch of remnant firn on the bottom; typical of about half the yard.
12/2/2014 7:00 AM T 0.2 T 4.8 0.56
12/3/2014 7:00 AM 0.00 0.0 M 4.4 0.56
12/4/2014 7:00 AM 0.00 0.0 M 4.3 0.58
12/5/2014 7:00 AM 0.00 0.0 M 3.0 0.59
12/6/2014 7:00 AM 0.00 0.0 M 2.8 0.45 SWE corrected for ~80% cover.
12/7/2014 7:00 AM 0.04 0.0 M 2.4 0.38 SWE corrected for ~70% snow cover.
12/8/2014 7:00 AM 0.00 0.0 M 2.4 0.32 SWE corrected for ~60% cover.
12/9/2014 7:00 AM 0.00 0.0 M 2.4 0.32 SWE corrected to ~60% snowcover.
12/10/2014 7:00 AM 0.00 0.0 M 2.2 0.25 SWE corrected for ~50% cover.
12/11/2014 7:00 AM 0.00 0.0 M 2.0 0.20 SWE corrected for ~40% cover.
12/12/2014 7:00 AM 0.00 0.0 M 2.0 0.18 SWE corrected for ~33% cover.
12/13/2014 7:00 AM 0.00 0.0 M 15.0 0.08 SWE corrected for ~20% snow cover.
12/14/2014 7:00 AM 0.32 5.3 0.28 5.3 0.28 Rain changed to snow @1445. Total SWE is actually slightly higher, as small patches of firn (~10%) persisted before the new snowfall, but were not encountered in this sampling.
12/15/2014 7:00 AM 0.30 3.1 0.31 7.9 0.62 Light snow continued, with no observable breaks, all day and well into the night.
12/16/2014 7:00 AM 0.00 0.0 M 6.7 0.59
12/17/2014 7:00 AM 0.06 0.9 0.06 6.6 0.70 light fluffy early morning snow
12/18/2014 7:00 AM 0.00 0.0 M 6.1 0.70
12/19/2014 7:00 AM 0.00 0.0 M 5.6 0.60
12/20/2014 7:00 AM T 0.1 T 5.4 0.60
12/21/2014 7:00 AM 0.00 0.0 M 5.2 0.60
12/22/2014 7:00 AM 0.05 T T 4.3 0.63 There was about a 15 minute rain/graupel squall in the morning, followed by threatening sky throughout the day and at least one snow squall in the evening.
12/23/2014 7:00 AM 0.04 0.4 0.04 4.9 0.69
12/24/2014 7:00 AM 0.00 0.0 M 4.3 0.69
12/25/2014 7:00 AM 0.40 7.0 0.53 11.1 1.14 NOTE: Gauge reading is low relative to both board and core. Light snow continues.
12/26/2014 7:00 AM T 0.1 T 9.4 1.00
12/27/2014 7:00 AM 0.03 0.4 0.03 9.4 1.23 Note: SWE measured yesterday is lower than today and two days ago. Probably sampled a thin spot yesterday - should be ~1.20.
12/28/2014 7:00 AM 0.03 0.4 0.03 9.1 1.28 Very light snow on and off all day and night. Not snowing at observation time.
12/29/2014 7:00 AM 0.13 2.2 0.16 10.8 1.51 Although the snow appears to have stopped for much of the night, it is snowing lightly at time of observation.
12/30/2014 7:00 AM 0.02 0.2 0.02 10.2 1.53 Continuous light snow stopped by 0800, with clear skies above a weak inversion, from which isolated flakes fell for most of the day.
12/31/2014 7:00 AM 0.00 0.0 M 10.1 1.53
1/1/2015 7:00 AM 0.00 0.0 M 10.0 1.53
1/2/2015 7:00 AM 0.00 0.0 M 9.5 1.53
1/3/2015 7:00 AM 0.18 5.9 0.30 14.2 1.68 Variance between can and board might reflect wind redistribution, which was obvious in numerous places on the ground. I suspect (from core) that can is more accurate.
1/4/2015 7:00 AM 0.04 0.5 0.04 12.9 1.72 Snow ended yesterday morning with a few scattered flakes for an hour or so. It began again this morning.
1/5/2015 7:00 AM T T T 12.0 1.70 Very light snow ended around 0815, although scattered flakes fell at several times throughout the day and night.
1/6/2015 7:00 AM T 0.0 M 8.7 1.55
1/7/2015 7:00 AM 0.00 0.0 M 7.6 1.45
1/8/2015 7:00 AM 0.00 0.0 M 7.5 1.45
1/9/2015 7:00 AM 0.02 0.6 0.02 7.9 1.47 A brief afternoon squall of graupel. then nothing until after dark. Presently threatening, but not snowing.
1/10/2015 7:00 AM T 0.1 T 7.7 1.47
1/11/2015 7:00 AM 0.08 0.4 0.08 8.9 1.49
1/12/2015 7:00 AM 0.09 0.8 0.07 9.3 1.65
1/13/2015 7:00 AM 0.01 0.2 0.01 9.1 1.66
1/14/2015 7:00 AM 0.00 0.0 M 8.9 1.66
1/15/2015 7:00 AM 0.00 0.0 M 8.9 1.66
1/16/2015 7:00 AM 0.00 0.0 M 8.7 1.66
1/17/2015 7:00 AM 0.00 0.0 M 7.7 1.66
1/18/2015 7:00 AM 0.00 0.0 M 7.7 1.66
1/19/2015 7:00 AM T 0.0 M 6.4 1.47
1/20/2015 7:00 AM 0.04 0.4 0.03 6.3 1.45
1/21/2015 7:00 AM 0.02 0.4 0.02 6.7 1.47
1/22/2015 7:00 AM 0.00 0.0 M 6.4 1.47
1/23/2015 7:00 AM 0.00 0.0 M 6.4 1.47
1/24/2015 7:00 AM 0.00 0.0 0.00 6.3 1.47
1/25/2015 7:00 AM T 0.0 0.00 5.7 1.43 Very light rain showers on and off throughout the day.
1/26/2015 7:00 AM 0.00 0.0 M 5.6 1.49
1/27/2015 7:00 AM 0.00 0.0 M 4.8 1.30 SWE corrected t0 !90& snowcover
1/28/2015 7:00 AM 0.00 0.0 M 4.6 1.19 SWE corrected for !80% snow cover.
1/29/2015 7:00 AM 0.00 0.0 M 4.3 0.98 SWE corrected for ~75% snow cover.
1/30/2015 7:00 AM 0.00 0.0 M 4.4 0.91 SWE corrected for ~70% snow cover.
1/31/2015 7:00 AM 0.00 0.0 M 3.9 0.83 SWE corrected for ~70% snow cover.
2/1/2015 7:00 AM T T T 3.9 0.83 SWE corrected for ~70% snow cover.
2/2/2015 7:00 AM 0.00 0.0 M 3.9 0.83 SWE corrected for ~70% snow cover.
2/3/2015 7:00 AM 0.00 0.0 M 3.7 0.81 SWE corrected for ~70% snow cover.
2/4/2015 7:00 AM 0.17 1.6 0.17 5.7 1.20 Note: snow depth represents transect across snow-covered portion of yard. About 40% of yard was bare, thus SWE overestimates actual areal water content. Forecast melt will likely result in rapid lowering of SWE estimate as melt resumes.
2/5/2015 7:00 AM 0.00 0.0 M 5.8 1.20
2/6/2015 7:00 AM 0.00 0.0 M 4.3 1.07 SWE corrected for ~70% snow cover
2/7/2015 7:00 AM 0.00 0.0 M 2.8 0.54 SWE corrected for ~50% snow cover
2/8/2015 7:00 AM 0.00 0.0 M 1.5 0.10 NOTE: Snow is estimated from scattered patches, mostly small drifts, and about 10% total cover.
2/9/2015 7:00 AM 0.00 0.0 M T T Scattered patches of snow remain in favorable spots.
2/10/2015 7:00 AM T 0.0 M 0.0 M SWE to zero in mid-February at 5000' in Montana! Weird!
2/11/2015 7:00 AM 0.02 0.0 M 0.0 M Very light showers from 0721 to about noon, and again from about 1700 through the evening.
2/12/2015 7:00 AM 0.00 0.0 M 0.0 M
2/13/2015 7:00 AM 0.00 0.0 M 0.0 M
2/14/2015 7:00 AM 0.00 0.0 M 0.0 M
2/15/2015 7:00 AM T 0.0 0.00 0.0 M
2/16/2015 7:00 AM 0.07 0.7 0.06 0.7 0.06
2/17/2015 7:00 AM T 0.0 M T T
2/18/2015 7:00 AM 0.00 0.0 M 0.0 M
2/19/2015 7:00 AM 0.00 0.0 M 0.0 M
2/20/2015 7:00 AM 0.05 1.1 0.05 2.0 0.05
2/21/2015 7:00 AM 0.16 2.4 0.19 24.0 0.19
2/22/2015 7:00 AM 0.03 T 0.00 2.4 0.14
2/23/2015 7:00 AM 0.00 0.0 0.00 2.2 0.13
2/24/2015 7:00 AM 0.00 0.0 M 1.8 0.12
2/25/2015 7:00 AM T 0.1 T 1.0 0.05 SWE corrected for ~60% cover under yesterday's dusting.
2/26/2015 7:00 AM 0.03 0.2 0.01 1.0 0.05 SWE corrected for about 60% snow cover. Sporadic snow showers continue...
2/27/2015 7:00 AM 0.00 0.0 M 0.8 0.03 SWE adjusted for ~40% snow cover.
2/28/2015 7:00 AM T T T 0.7 0.03 Very light snow continues. SWE corrected for ~40% snow cover.
3/1/2015 7:00 AM 0.00 0.0 M 0.5 0.02 SWE corrected for ~33% snow cover.
3/2/2015 7:00 AM 0.00 0.0 M 0.4 0.02 SWE corrected for ~33% snow cover.
3/3/2015 7:00 AM 0.05 0.6 0.05 0.6 0.05 Today's measurement does not include the small patches (~20% cover) remaining as of yesterday, thus is a slight underestimate of actual SWE.
3/4/2015 7:00 AM 0.00 0.0 M 0.5 0.04
3/5/2015 7:00 AM 0.00 0.0 M 0.4 0.01 SWE corrected for ~25% snow cover.
3/6/2015 7:00 AM 0.00 0.0 M T T
3/7/2015 7:00 AM 0.00 0.0 M 0.0 M
3/8/2015 7:00 AM 0.00 0.0 M 0.0 M
3/9/2015 7:00 AM 0.00 0.0 M 0.0 M
3/10/2015 7:00 AM 0.00 0.0 M 0.0 M
3/11/2015 7:00 AM 0.00 0.0 M 0.0 M
3/12/2015 7:00 AM 0.00 0.0 M 0.0 M
3/13/2015 7:00 AM 0.00 0.0 M 0.0 M
3/14/2015 7:00 AM 0.00 0.0 M 0.0 M
3/15/2015 7:00 AM 0.00 0.0 M 0.0 M
3/16/2015 7:00 AM 0.00 0.0 M 0.0 M
3/17/2015 7:00 AM T T M 0.0 M
3/18/2015 7:00 AM 0.26 0.0 M 0.0 M
3/19/2015 7:00 AM 0.01 0.0 M 0.0 M
3/20/2015 7:00 AM 0.00 0.0 M 0.0 M
3/21/2015 7:00 AM 0.00 0.0 M 0.0 M
3/22/2015 7:00 AM 0.02 0.0 M 0.0 M Rain froze in funnel and accumulated on snow board and grass as a thin, discontinuous, nubbly glaze.
3/23/2015 7:00 AM 0.00 0.0 M 0.0 M
3/24/2015 7:00 AM 0.16 0.3 0.04 0.3 0.04 Times are for afternoon rain event with 30 minutes of snow (no accumulation) at the end. The measured snow came in an overnight event for which I have no times.
3/25/2015 7:00 AM 0.13 0.8 0.12 0.8 0.12 Light snow continued with little accumulation to about 1500, then began again at about 1900 and continued until early morning.
3/26/2015 7:00 AM T 0.0 M 0.0 M
3/27/2015 7:00 AM 0.00 0.0 M 0.0 M
3/28/2015 7:00 AM 0.00 0.0 M 0.0 M
3/29/2015 7:00 AM T 0.0 M 0.0 M
3/30/2015 7:00 AM 0.00 0.0 M 0.0 M
3/31/2015 7:00 AM 0.00 0.0 M 0.0 M
4/1/2015 7:00 AM 0.26 1.6 0.11 M M No accumulation on pavement; about 2.5" on grass vs. 1.6" on snow board.
4/2/2015 7:00 AM T 0.0 M 0.0 M
4/3/2015 7:00 AM 0.04 0.0 M 0.0 M Snow squalls 0800-1030, noon-hour, and late afternoon resulted in perhaps an inch of wet snow (all melted before dark).
4/4/2015 7:00 AM 0.00 0.0 M 0.0 M
4/5/2015 7:00 AM 0.02 0.0 M 0.0 M
4/6/2015 7:00 AM 0.19 1.0 0.05 1.0 0.05 Moderate snow 1500-1700 (melted) and 1900 until ?
4/7/2015 7:00 AM 0.23 1.3 0.14 1.3 0.14 Event ended late evening. Note: report delayed by 15-minute power outage! That's different!
4/8/2015 7:00 AM 0.00 0.0 M 0.0 M
4/9/2015 7:00 AM 0.00 0.0 M 0.0 M
4/10/2015 7:00 AM 0.00 0.0 M 0.0 M
4/11/2015 7:00 AM 0.00 0.0 M 0.0 M
4/12/2015 7:00 AM 0.13 0.6 0.09 0.6 0.09
4/13/2015 7:00 AM 0.00 0.0 M 0.0 M
4/14/2015 7:00 AM 0.00 0.0 M 0.0 M
4/15/2015 7:00 AM 0.35 5.3 0.32 5.3 0.32 Cold front (20oF in about 20 minutes) hit with a rain squall at 1644, soon changing to episodic snow, often nearly horizontal. Light to moderate snow continues at observation time.
4/16/2015 7:00 AM 0.36 3.4 0.36 7.4 0.65 Very brief light flurry at ~1630.
4/17/2015 7:00 AM 0.00 0.0 0.00 1.0 0.28 SWE corrected for ~80% snow c0ver.
4/18/2015 7:00 AM 0.00 0.0 M 0.0 M
4/19/2015 7:00 AM 0.00 0.0 M 0.0 M
4/20/2015 7:00 AM 0.00 0.0 M 0.0 M
4/21/2015 7:00 AM 0.00 0.0 M 0.0 M
4/22/2015 7:00 AM 0.00 0.0 M 0.0 M
4/23/2015 7:00 AM 0.23 0.0 M 0.0 M
4/24/2015 7:00 AM T 0.0 M 0.0 M
4/25/2015 7:00 AM 0.60 1.5 0.27 1.5 0.27
4/26/2015 7:00 AM 0.04 M M M M
4/27/2015 7:00 AM 0.07 M M M M
4/28/2015 7:00 AM 0.00 0.0 M M M
4/29/2015 7:00 AM 0.00 0.0 M M M
4/30/2015 7:00 AM 0.08 M M M M
5/1/2015 7:00 AM 0.00 0.0 M M M
5/2/2015 7:00 AM 0.00 0.0 M M M
5/3/2015 7:00 AM 0.01 0.0 M 0.0 M
5/4/2015 7:00 AM 0.00 0.0 M 0.0 M
5/5/2015 7:00 AM 0.00 0.0 M 0.0 M
5/6/2015 7:00 AM 0.00 0.0 M 0.0 M
5/7/2015 7:00 AM 0.07 0.0 M 0.0 M
5/8/2015 7:00 AM 0.05 0.0 M 0.0 M
5/9/2015 7:00 AM 0.01 0.0 M 0.0 M
5/10/2015 7:00 AM 0.00 0.0 M 0.0 M
5/11/2015 7:00 AM 0.00 0.0 M 0.0 M
5/12/2015 7:00 AM 0.04 0.0 M 0.0 M
5/13/2015 7:00 AM 0.39 M M M M
5/14/2015 7:00 AM 0.02 0.0 M 0.0 M
5/15/2015 7:00 AM 0.01 0.0 M 0.0 M
5/16/2015 7:00 AM 0.49 0.0 M 0.0 M
5/17/2015 7:00 AM 0.63 0.0 M 0.0 M
5/18/2015 7:00 AM 0.06 0.0 M 0.0 M
5/19/2015 7:00 AM 0.01 0.0 M 0.0 M
5/20/2015 7:00 AM T 0.0 M 0.0 M
5/21/2015 7:00 AM 0.00 0.0 M 0.0 M
5/22/2015 7:00 AM 0.01 0.0 M 0.0 M
5/23/2015 7:00 AM 0.32 0.0 M 0.0 M
5/24/2015 7:00 AM 0.23 0.0 M 0.0 M
5/25/2015 7:00 AM 0.05 0.0 M 0.0 M
5/26/2015 7:00 AM 0.10 M M M M
5/27/2015 7:00 AM 0.02 M M M M
5/28/2015 7:00 AM 0.41 M M M M
5/29/2015 7:00 AM 0.21 M M M M
5/30/2015 7:00 AM 0.24 M M M M
5/31/2015 7:00 AM 0.01 M M M M
6/1/2015 7:00 AM 0.01 M M M M
6/2/2015 7:00 AM 0.15 M M M M Strong t'storm passed by to the north - we got the edge. Two episodes of hail, both up to 1.2 cm/0.5".
6/3/2015 7:00 AM 0.29 M M M M Multiple showers throughout afternoon, evening, and night.
6/4/2015 7:00 AM T M M M M
6/5/2015 7:00 AM 0.01 M M M M
6/6/2015 7:00 AM 0.00 0.0 M M M
6/7/2015 7:00 AM 0.00 0.0 M M M
6/8/2015 7:00 AM 0.00 0.0 M M M
6/9/2015 7:00 AM 0.00 0.0 M M M
6/10/2015 7:00 AM 0.00 0.0 M M M
6/11/2015 7:00 AM T M M M M
6/12/2015 7:00 AM 0.00 0.0 M M M
6/13/2015 7:00 AM 0.00 0.0 M M M
6/14/2015 7:00 AM 0.00 0.0 M M M
6/15/2015 7:00 AM 0.00 0.0 M M M
6/16/2015 7:00 AM 0.05 M M M M
6/17/2015 7:00 AM 0.03 M M M M
6/18/2015 7:00 AM 0.00 0.0 M M M
6/19/2015 7:00 AM 0.08 M M M M Possibly a late-night shower as well.
6/20/2015 7:00 AM 0.01 M M M M
6/21/2015 7:00 AM 0.00 0.0 M M M
6/22/2015 7:00 AM 0.04 M M M M
6/23/2015 7:00 AM 0.00 0.0 M M M
6/24/2015 7:00 AM 0.00 0.0 M M M
6/25/2015 7:00 AM T M M M M
6/26/2015 7:00 AM 0.00 0.0 M M M
6/27/2015 7:00 AM 0.00 0.0 M M M
6/28/2015 7:00 AM 0.00 0.0 M M M
6/29/2015 7:00 AM 0.00 0.0 M M M
6/30/2015 7:00 AM 0.07 M M M M Two squalls - one with wind and lightning from about 1715-1745 and one without, from 0455 to 0515.
7/1/2015 7:00 AM 0.00 0.0 M M M
7/2/2015 7:00 AM 0.00 0.0 M M M
7/3/2015 7:00 AM 0.00 0.0 M M M
7/4/2015 7:00 AM 0.00 0.0 M M M
7/5/2015 7:00 AM T M M M M A light sprinkle at 0700.
7/6/2015 7:00 AM 0.15 M M M M Biggest rain event in over a month!
7/7/2015 7:00 AM 0.00 0.0 M M M
7/8/2015 7:00 AM 0.07 M M M M
7/9/2015 7:00 AM 0.00 0.0 M M M
7/10/2015 7:00 AM 0.00 0.0 M M M
7/11/2015 7:00 AM 0.01 M M M M
7/12/2015 7:00 AM 0.02 M M M M
7/13/2015 7:00 AM 0.02 M M M M
7/14/2015 7:00 AM 0.02 M M M M
7/15/2015 7:00 AM 0.05 M M M M
7/16/2015 7:00 AM 0.04 M M M M
7/17/2015 7:00 AM T M M M M
7/18/2015 7:00 AM 0.01 M M M M
7/19/2015 7:00 AM 0.00 0.0 M M M
7/20/2015 7:00 AM 0.00 0.0 M M M
7/21/2015 7:00 AM T M M M M
7/22/2015 7:00 AM 0.15 M M M M
7/23/2015 7:00 AM 0.21 M M M M
7/24/2015 7:00 AM 0.46 M M M M
7/25/2015 7:00 AM 0.00 0.0 M M M
7/26/2015 7:00 AM T M M M M
7/27/2015 7:00 AM 0.08 M M M M
7/28/2015 7:00 AM 1.01 M M M M
7/29/2015 7:00 AM 0.00 0.0 M M M
7/30/2015 7:00 AM 0.00 0.0 M M M
7/31/2015 7:00 AM 0.00 0.0 M M M
8/1/2015 7:00 AM 0.00 0.0 M M M
8/2/2015 7:00 AM 0.00 0.0 M M M
8/3/2015 7:00 AM 0.00 0.0 M M M
8/4/2015 7:00 AM 0.00 0.0 M M M
8/5/2015 7:00 AM 0.12 M M M M
8/6/2015 7:00 AM 0.29 M M M M
8/7/2015 7:00 AM T M M M M
8/8/2015 7:00 AM 0.00 0.0 M M M
8/9/2015 7:00 AM 0.21 M M M M
8/10/2015 7:00 AM 0.00 0.0 M M M
8/11/2015 7:00 AM 0.00 0.0 M M M
8/12/2015 7:00 AM 0.00 0.0 M M M
8/13/2015 7:00 AM 0.23 M M M M
8/14/2015 7:00 AM 0.00 0.0 M M M
8/15/2015 7:00 AM 0.00 0.0 M M M
8/16/2015 7:00 AM 0.00 0.0 M M M
8/17/2015 7:00 AM 0.00 0.0 M M M
8/18/2015 7:00 AM T M M M M
8/19/2015 7:00 AM T M M M M
8/20/2015 7:00 AM 0.00 0.0 M M M
8/21/2015 7:00 AM 0.00 0.0 M M M
8/22/2015 7:00 AM 0.03 M M M M
8/23/2015 7:00 AM 0.00 0.0 M M M
8/24/2015 7:00 AM 0.00 0.0 M M M
8/25/2015 7:00 AM 0.00 0.0 M M M
8/26/2015 7:00 AM 0.00 0.0 M M M
8/27/2015 7:00 AM 0.00 0.0 M M M
8/28/2015 7:00 AM 0.06 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
8/29/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
8/30/2015 7:00 AM 0.07 M M M M Still raining lightly
8/31/2015 7:00 AM 0.04 M M M M Several soft showers.
9/1/2015 7:00 AM 0.00 0.0 M M M
9/2/2015 7:00 AM 0.00 0.0 M M M
9/3/2015 7:00 AM 0.00 0.0 M M M
9/4/2015 7:00 AM 0.01 M M M M
9/5/2015 7:00 AM 0.04 M M M M
9/6/2015 7:00 AM 0.05 M M M M
9/7/2015 7:00 AM 0.00 0.0 M M M
9/8/2015 7:00 AM 0.00 0.0 M M M
9/9/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
9/10/2015 7:00 AM 0.00 0.0 M M M
9/11/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
9/12/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
9/13/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
9/14/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
9/15/2015 7:00 AM 0.01 M M M M It has been over a month (8/13) since we received over 0.1" in a single day - maybe today!
9/16/2015 7:00 AM 0.79 M M M M Very light rain never really stopped after brief light shower early yesterday. Moderate rain (~0.5"/hr) began at 0800 and continued until 1045. Shower again from about 1145 to 1300 (total since 0800 - 0.5"). One light evening shower, then steady light rain from about 0400 through observation time.
9/17/2015 7:00 AM 0.48 M M M M Several showers throughout the day.
9/18/2015 7:00 AM 0.25 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
9/19/2015 7:00 AM 0.00 0.0 M M M
9/20/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
9/21/2015 7:00 AM 0.00 0.0 M M M
9/22/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
9/23/2015 7:00 AM 0.00 0.0 M M M
9/24/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
9/25/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
9/26/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
9/27/2015 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
9/28/2015 7:00 AM T 0.0 M M M
9/29/2015 7:00 AM 0.00 0.0 M M M
9/30/2015 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



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