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 17 1.72 1.45 31 1.45 31 0.00 0 0 9 6 2.9 6 4
Nov 17 1.18 2.61 30 2.61 30 0.00 0 0 16 3 22.2 9 24
Dec 17 0.87 2.72 31 2.72 31 0.00 0 0 14 1 37.9 14 31
Jan 18 0.84 1.60 31 1.60 31 0.00 0 0 9 4 12.5 8 31
Feb 18 0.79 1.20 28 1.20 28 0.00 0 0 13 2 16.9 13 28
March 18 1.37 1.98 31 1.98 31 0.00 0 0 11 3 14.7 9 31
April 18 2.29 4.76 30 4.76 30 0.00 0 0 16 2 20.1 9 11
May 18 3.15 2.89 31 2.89 31 0.00 0 0 16 6 0.0 0 0
June 18 3.15 4.74 30 4.74 30 0.00 0 0 20 1 0.0 0 0
July 18 1.50 0.22 31 0.22 31 0.00 0 0 4 4 0.0 0 0
Aug 18 1.41 1.27 31 1.27 31 0.00 0 0 6 9 0.0 0 0
Sept 18 1.46 0.60 30 0.60 30 0.00 0 0 7 2 0.0 0 0
Water Year Totals: 19.73" 26.04" 365 days 26.04" 365 0.00" 0 days 0 141 days 43 days 127.2" 68 days 160 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
10/1/2017 0.49
10/2/2017 0.01
10/3/2017 0.15
10/4/2017 T
10/5/2017 T
10/6/2017 0.00
10/7/2017 0.00
10/8/2017 T
10/9/2017 0.03
10/10/2017 0.00
10/11/2017 0.00
10/12/2017 0.30
10/13/2017 0.02
10/14/2017 T
10/15/2017 0.00
10/16/2017 0.00
10/17/2017 0.00
10/18/2017 0.00
10/19/2017 0.00
10/20/2017 0.00
10/21/2017 0.15
10/22/2017 0.00
10/23/2017 T
10/24/2017 0.00
10/25/2017 0.00
10/26/2017 0.26
10/27/2017 T
10/28/2017 0.00
10/29/2017 0.00
10/30/2017 0.04
10/31/2017 0.00
11/1/2017 0.03
11/2/2017 0.68
11/3/2017 0.11
11/4/2017 0.57
11/5/2017 0.04
11/6/2017 0.13
11/7/2017 0.02
11/8/2017 0.00
11/9/2017 0.00
11/10/2017 0.00
11/11/2017 0.23
11/12/2017 0.01
11/13/2017 0.00
11/14/2017 0.23
11/15/2017 0.11
11/16/2017 0.00
11/17/2017 T
11/18/2017 T
11/19/2017 0.00
11/20/2017 0.00
11/21/2017 0.02
11/22/2017 T
11/23/2017 0.00
11/24/2017 0.04
11/25/2017 0.00
11/26/2017 0.00
11/27/2017 0.09
11/28/2017 0.23
11/29/2017 0.07
11/30/2017 0.00
12/1/2017 0.00
12/2/2017 0.00
12/3/2017 0.00
12/4/2017 0.59
12/5/2017 0.02
12/6/2017 0.00
12/7/2017 0.00
12/8/2017 0.00
12/9/2017 0.00
12/10/2017 0.00
12/11/2017 0.00
12/12/2017 0.00
12/13/2017 0.00
12/14/2017 0.19
12/15/2017 0.00
12/16/2017 0.20
12/17/2017 0.28
12/18/2017 0.00
12/19/2017 0.00
12/20/2017 0.00
12/21/2017 0.47
12/22/2017 0.13
12/23/2017 0.24
12/24/2017 0.01
12/25/2017 0.04
12/26/2017 0.16
12/27/2017 0.00
12/28/2017 0.14
12/29/2017 T
12/30/2017 0.10
12/31/2017 0.15
Day of YearDaily PrcpMultiday Prcp
1/1/2018 0.00
1/2/2018 0.00
1/3/2018 0.00
1/4/2018 0.01
1/5/2018 0.00
1/6/2018 0.00
1/7/2018 0.01
1/8/2018 0.00
1/9/2018 0.00
1/10/2018 0.44
1/11/2018 0.18
1/12/2018 0.00
1/13/2018 T
1/14/2018 T
1/15/2018 T
1/16/2018 0.00
1/17/2018 0.00
1/18/2018 0.00
1/19/2018 0.36
1/20/2018 0.34
1/21/2018 0.00
1/22/2018 0.00
1/23/2018 0.01
1/24/2018 0.00
1/25/2018 0.00
1/26/2018 0.08
1/27/2018 T
1/28/2018 0.00
1/29/2018 0.00
1/30/2018 0.00
1/31/2018 0.17
2/1/2018 0.00
2/2/2018 0.00
2/3/2018 T
2/4/2018 0.01
2/5/2018 0.21
2/6/2018 0.03
2/7/2018 0.19
2/8/2018 T
2/9/2018 0.13
2/10/2018 0.07
2/11/2018 0.00
2/12/2018 0.03
2/13/2018 0.00
2/14/2018 0.00
2/15/2018 0.09
2/16/2018 0.03
2/17/2018 0.01
2/18/2018 0.19
2/19/2018 0.10
2/20/2018 0.00
2/21/2018 0.00
2/22/2018 0.00
2/23/2018 0.00
2/24/2018 0.00
2/25/2018 0.00
2/26/2018 0.00
2/27/2018 0.11
2/28/2018 0.00
3/1/2018 0.00
3/2/2018 0.00
3/3/2018 0.00
3/4/2018 0.09
3/5/2018 0.28
3/6/2018 0.00
3/7/2018 0.00
3/8/2018 0.00
3/9/2018 0.00
3/10/2018 0.01
3/11/2018 0.00
3/12/2018 0.00
3/13/2018 0.00
3/14/2018 0.00
3/15/2018 0.28
3/16/2018 0.32
3/17/2018 0.00
3/18/2018 T
3/19/2018 0.11
3/20/2018 0.00
3/21/2018 0.00
3/22/2018 0.00
3/23/2018 0.32
3/24/2018 0.01
3/25/2018 0.42
3/26/2018 T
3/27/2018 0.00
3/28/2018 0.11
3/29/2018 T
3/30/2018 0.00
3/31/2018 0.03
Day of YearDaily PrcpMultiday Prcp
4/1/2018 0.02
4/2/2018 0.37
4/3/2018 0.19
4/4/2018 T
4/5/2018 0.03
4/6/2018 0.13
4/7/2018 0.01
4/8/2018 0.47
4/9/2018 0.05
4/10/2018 0.00
4/11/2018 0.14
4/12/2018 0.03
4/13/2018 0.75
4/14/2018 0.00
4/15/2018 0.00
4/16/2018 T
4/17/2018 0.63
4/18/2018 0.02
4/19/2018 0.00
4/20/2018 0.00
4/21/2018 0.00
4/22/2018 0.00
4/23/2018 1.01
4/24/2018 0.43
4/25/2018 0.00
4/26/2018 0.00
4/27/2018 0.00
4/28/2018 0.00
4/29/2018 0.00
4/30/2018 0.48
5/1/2018 0.56
5/2/2018 0.02
5/3/2018 0.00
5/4/2018 0.00
5/5/2018 0.00
5/6/2018 0.03
5/7/2018 0.06
5/8/2018 0.02
5/9/2018 0.00
5/10/2018 0.12
5/11/2018 0.42
5/12/2018 0.20
5/13/2018 T
5/14/2018 0.00
5/15/2018 T
5/16/2018 0.00
5/17/2018 0.11
5/18/2018 0.11
5/19/2018 0.04
5/20/2018 0.00
5/21/2018 0.33
5/22/2018 0.03
5/23/2018 0.13
5/24/2018 0.51
5/25/2018 0.00
5/26/2018 T
5/27/2018 T
5/28/2018 0.00
5/29/2018 0.20
5/30/2018 T
5/31/2018 T
6/1/2018 0.63
6/2/2018 0.65
6/3/2018 0.00
6/4/2018 0.00
6/5/2018 0.00
6/6/2018 0.00
6/7/2018 0.06
6/8/2018 0.05
6/9/2018 0.04
6/10/2018 0.03
6/11/2018 0.01
6/12/2018 0.03
6/13/2018 0.00
6/14/2018 0.00
6/15/2018 0.01
6/16/2018 0.13
6/17/2018 0.11
6/18/2018 0.42
6/19/2018 0.46
6/20/2018 0.31
6/21/2018 0.03
6/22/2018 0.36
6/23/2018 0.07
6/24/2018 0.31
6/25/2018 0.00
6/26/2018 T
6/27/2018 0.00
6/28/2018 0.00
6/29/2018 0.54
6/30/2018 0.49
Day of YearDaily PrcpMultiday Prcp
7/1/2018 0.02
7/2/2018 0.00
7/3/2018 0.01
7/4/2018 0.00
7/5/2018 0.00
7/6/2018 0.00
7/7/2018 0.00
7/8/2018 0.04
7/9/2018 0.00
7/10/2018 0.15
7/11/2018 T
7/12/2018 0.00
7/13/2018 0.00
7/14/2018 0.00
7/15/2018 0.00
7/16/2018 0.00
7/17/2018 0.00
7/18/2018 0.00
7/19/2018 T
7/20/2018 0.00
7/21/2018 0.00
7/22/2018 T
7/23/2018 0.00
7/24/2018 0.00
7/25/2018 0.00
7/26/2018 0.00
7/27/2018 0.00
7/28/2018 T
7/29/2018 0.00
7/30/2018 0.00
7/31/2018 0.00
8/1/2018 0.00
8/2/2018 T
8/3/2018 0.02
8/4/2018 0.00
8/5/2018 0.02
8/6/2018 0.14
8/7/2018 0.00
8/8/2018 0.00
8/9/2018 0.00
8/10/2018 0.00
8/11/2018 0.00
8/12/2018 0.00
8/13/2018 0.00
8/14/2018 0.00
8/15/2018 0.00
8/16/2018 0.00
8/17/2018 0.00
8/18/2018 T
8/19/2018 T
8/20/2018 T
8/21/2018 0.19
8/22/2018 0.00
8/23/2018 T
8/24/2018 T
8/25/2018 T
8/26/2018 T
8/27/2018 0.54
8/28/2018 0.36
8/29/2018 0.00
8/30/2018 0.00
8/31/2018 T
9/1/2018 0.00
9/2/2018 0.00
9/3/2018 0.00
9/4/2018 0.00
9/5/2018 0.00
9/6/2018 0.00
9/7/2018 0.00
9/8/2018 0.00
9/9/2018 0.00
9/10/2018 0.00
9/11/2018 0.00
9/12/2018 0.00
9/13/2018 T
9/14/2018 0.02
9/15/2018 0.00
9/16/2018 0.36
9/17/2018 0.00
9/18/2018 0.00
9/19/2018 0.01
9/20/2018 0.02
9/21/2018 0.01
9/22/2018 0.00
9/23/2018 0.00
9/24/2018 0.12
9/25/2018 0.06
9/26/2018 0.00
9/27/2018 0.00
9/28/2018 T
9/29/2018 0.00
9/30/2018 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2017 7:00 AM 0.49 0.0 0.00 0.0 0.00
10/2/2017 7:00 AM 0.01 0.0 0.00 0.0 0.00
10/3/2017 7:00 AM 0.15 1.4 0.18 1.4 0.18
10/4/2017 7:00 AM T T T 0.0 0.00 Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
10/5/2017 7:00 AM T T T 0.0 0.00
10/6/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/7/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/8/2017 7:00 AM T 0.0 0.00 0.0 0.00
10/9/2017 7:00 AM 0.03 0.1 0.02 0.0 0.00 Snow on the board but frost only on the grass.
10/10/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/11/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/12/2017 7:00 AM 0.30 0.6 0.12 0.6 0.10 SWE corrected for about 85% cover (bare under trees, which are still largely leafed out).
10/13/2017 7:00 AM 0.02 0.1 0.02 0.0 0.00
10/14/2017 7:00 AM T T T T T Brief snow flurry yesterday, scattered graupel this morning. Probably about 0.006"!
10/15/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/16/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/17/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/18/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/19/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/20/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/21/2017 7:00 AM 0.15 0.2 0.08 0.2 0.05 SWE adjusted for ~60% snow cover.
10/22/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/23/2017 7:00 AM T 0.0 0.00 0.0 0.00
10/24/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/25/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/26/2017 7:00 AM 0.26 0.5 0.05 0.5 0.05
10/27/2017 7:00 AM T T T 0.0 0.00 Very light snow from 0700 to 0730 yesterday.
10/28/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/29/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/30/2017 7:00 AM 0.04 T T T T Mixed ppt yesterday PM. Snow board crusted with mix of frozen rain, frost, and graupel.
10/31/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/1/2017 7:00 AM 0.03 0.0 0.00 0.0 0.00 Light rain continues. Snow forecast for the next week+.
11/2/2017 7:00 AM 0.68 3.1 0.60 4.5 0.57
11/3/2017 7:00 AM 0.11 1.8 0.11 5.4 M
11/4/2017 7:00 AM 0.57 7.5 0.57 11.6 1.19
11/5/2017 7:00 AM 0.04 T T 9.8 M The measured water fell as morning snow, but melted without depth measurement. The trace recorded for new snow occurred overnight.
11/6/2017 7:00 AM 0.13 2.0 0.15 10.2 1.27 Light snow continues.
11/7/2017 7:00 AM 0.02 0.3 0.02 10.4 M
11/8/2017 7:00 AM 0.00 0.0 0.00 8.9 M
11/9/2017 7:00 AM 0.00 0.0 0.00 7.9 1.28
11/10/2017 7:00 AM 0.00 0.0 0.00 6.2 M
11/11/2017 7:00 AM 0.23 1.9 0.21 7.9 1.49
11/12/2017 7:00 AM 0.01 M 0.00 6.7 M A brief morning snow squall dropped a measurable amount of snow (0.1"?), which melted soon thereafter.
11/13/2017 7:00 AM 0.00 0.0 0.00 6.5 1.38
11/14/2017 7:00 AM 0.23 2.4 0.20 8.6 M Moderate snow (~1"/hr} continues.
11/15/2017 7:00 AM 0.11 1.5 0.04 8.5 1.70 Moderate snow ceased at 0830 yesterday, with 1.5" of new and 9.6" on the ground. Core value is best I could do scraping ice and 0.4" of snow off the board! Gauge reading, melted from ice on the bottom, is the more accurate amount. Total snow is as of observation time (0700).
11/16/2017 7:00 AM 0.00 0.0 0.00 8.1 M
11/17/2017 7:00 AM T T T 6.2 1.61
11/18/2017 7:00 AM T T T 6.0 M
11/19/2017 7:00 AM 0.00 0.0 0.00 5.8 M
11/20/2017 7:00 AM 0.00 0.0 0.00 5.6 1.58
11/21/2017 7:00 AM 0.02 0.0 0.00 5.2 1.61 Brief afternoon and nighttime showers.
11/22/2017 7:00 AM T 0.0 0.00 4.8 M
11/23/2017 7:00 AM 0.00 0.0 0.00 3.2 1.00 Tree wells are beginning to encroach into open grass.
11/24/2017 7:00 AM 0.04 0.0 0.00 0.0 0.00 small remnants of snow drifts persist in shaded areas
11/25/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/26/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/27/2017 7:00 AM 0.09 0.0 0.00 0.0 0.00 Rain continues.
11/28/2017 7:00 AM 0.23 T T T T Steady rain changed to snow at 0800 - snow ceased at 0900. Total accumulation reached 0.5", but melted and refroze to a discontinuous, icy crust on grass and board.
11/29/2017 7:00 AM 0.07 1.7 0.13 1.7 0.13 Brief snow squall
11/30/2017 7:00 AM 0.00 0.0 0.00 1.5 M
12/1/2017 7:00 AM 0.00 0.0 0.00 1.3 0.10
12/2/2017 7:00 AM 0.00 0.0 0.00 1.1 M
12/3/2017 7:00 AM 0.00 0.0 0.00 0.8 0.05 SWE corrected for ~80% snow cover. Scattered raindrops were observed by flashlight at 0702, but I interpret that as tomorrow's data!
12/4/2017 7:00 AM 0.59 6.0 0.59 7.1 0.64 Scattered raindrops at 0700 yesterday ceased - steady snow began at 1100 and continued until dark. About 1" accumulated throughout the night, with very light snow continuing at 0700 today. NOTE: Cylinder blocked by wet snow - 0.45" melted. Snowboard is better estimate of daily ppt.
12/5/2017 7:00 AM 0.02 0.3 0.03 6.5 M
12/6/2017 7:00 AM 0.00 0.0 0.00 6.2 M
12/7/2017 7:00 AM 0.00 0.0 0.00 5.8 0.69
12/8/2017 7:00 AM 0.00 0.0 0.00 5.6 M
12/9/2017 7:00 AM 0.00 0.0 0.00 5.4 M
12/10/2017 7:00 AM 0.00 0.0 0.00 5.3 M
12/11/2017 7:00 AM 0.00 0.0 0.00 5.2 0.82 SWE is anomalously high compared to previous measurements made immediately adjacent (<0.7"). May represent direct deposition (rime), thus not, strictly speaking, precipitation.
12/12/2017 7:00 AM 0.00 0.0 0.00 5.1 M
12/13/2017 7:00 AM 0.00 0.0 0.00 5.1 0.71
12/14/2017 7:00 AM 0.19 2.1 0.19 7.0 0.82 I think SWE is an undercount by ~0.1".
12/15/2017 7:00 AM 0.00 0.0 0.00 7.0 M
12/16/2017 7:00 AM 0.20 2.3 0.20 9.0 M Snowing lightly
12/17/2017 7:00 AM 0.28 3.1 0.30 12.1 1.42
12/18/2017 7:00 AM 0.00 0.0 0.00 10.8 1.53
12/19/2017 7:00 AM 0.00 0.0 0.00 8.8 M
12/20/2017 7:00 AM 0.00 0.0 0.00 7.6 1.39
12/21/2017 7:00 AM 0.47 8.5 0.66 15.6 1.87 NOTE: canister contained 0.47", core, 0.66". Honestly do not know which is more representative. Given the accompanying winds (7, gusting to 15 mph) and the 0.48" change in SWE, I'm going with the canister.
12/22/2017 7:00 AM 0.13 2.4 0.13 16.2 M
12/23/2017 7:00 AM 0.24 3.1 0.26 17.6 M still snowing lightly
12/24/2017 7:00 AM 0.01 0.2 0.02 17.1 1.92
12/25/2017 7:00 AM 0.04 0.6 0.04 16.3 2.26
12/26/2017 7:00 AM 0.16 3.2 0.17 18.4 M
12/27/2017 7:00 AM 0.00 0.0 0.00 17.0 M
12/28/2017 7:00 AM 0.14 3.0 0.15 19.0 2.67
12/29/2017 7:00 AM T T T 17.0 M
12/30/2017 7:00 AM 0.10 1.2 0.10 18.0 2.77
12/31/2017 7:00 AM 0.15 1.9 0.16 18.6 M
1/1/2018 7:00 AM 0.00 0.0 0.00 17.6 2.92
1/2/2018 7:00 AM 0.00 0.0 0.00 17.0 M
1/3/2018 7:00 AM 0.00 0.0 0.00 16.6 M
1/4/2018 7:00 AM 0.01 0.1 0.01 16.5 M
1/5/2018 7:00 AM 0.00 0.0 0.00 16.4 M
1/6/2018 7:00 AM 0.00 0.0 0.00 15.6 M Temps above freezing much of yesterday settled the snowpack.
1/7/2018 7:00 AM 0.01 0.0 0.00 15.0 M A rare January rain!
1/8/2018 7:00 AM 0.00 0.0 0.00 14.7 2.93
1/9/2018 7:00 AM 0.00 0.0 0.00 14.6 M
1/10/2018 7:00 AM 0.44 2.8 0.30 16.5 M Moderate snow (2"/hr) since 0530. Rain showers since about 1700 yesterday - total 0.14"H2O.
1/11/2018 7:00 AM 0.18 2.0 0.19 17.0 M
1/12/2018 7:00 AM 0.00 0.0 0.00 16.0 M
1/13/2018 7:00 AM T T T 15.3 M A brief spate of graupel.
1/14/2018 7:00 AM T T T 14.1 M
1/15/2018 7:00 AM T T T 14.0 3.55
1/16/2018 7:00 AM 0.00 0.0 0.00 14.0 M
1/17/2018 7:00 AM 0.00 0.0 0.00 14.0 M
1/18/2018 7:00 AM 0.00 0.0 0.00 14.0 M
1/19/2018 7:00 AM 0.36 1.0 0.24 13.9 M
1/20/2018 7:00 AM 0.34 3.6 0.33 17.3 M
1/21/2018 7:00 AM 0.00 0.0 0.00 16.8 M
1/22/2018 7:00 AM 0.00 0.0 0.00 16.3 4.25
1/23/2018 7:00 AM 0.01 0.1 0.01 16.1 M NOTE: heavy frost both inside and out on the large cylinder. 0.035"H2O by weight before wiping the outside. 0.025" before wiping the inside, and 0.015" after both, matching 0.01" by weight on the board!
1/24/2018 7:00 AM 0.00 0.0 0.00 16.0 M
1/25/2018 7:00 AM 0.00 0.0 0.00 15.9 M
1/26/2018 7:00 AM 0.08 1.0 0.07 16.4 M
1/27/2018 7:00 AM T T T 15.6 M
1/28/2018 7:00 AM 0.00 0.0 0.00 15.4 M
1/29/2018 7:00 AM 0.00 0.0 0.00 15.2 4.34
1/30/2018 7:00 AM 0.00 0.0 0.00 14.3 4.19
1/31/2018 7:00 AM 0.17 1.9 0.19 16.1 M
2/1/2018 7:00 AM 0.00 0.0 0.00 16.0 M
2/2/2018 7:00 AM 0.00 0.0 0.00 15.9 M
2/3/2018 7:00 AM T 0.1 T 13.9 M
2/4/2018 7:00 AM 0.01 T T 13.4 M
2/5/2018 7:00 AM 0.21 2.0 0.25 15.4 4.60 Moderate snow continues.
2/6/2018 7:30 AM 0.03 0.1 0.03 15.6 M Some snow (0.25"?) melted without measurement.
2/7/2018 7:00 AM 0.19 2.3 0.21 17.8 M
2/8/2018 7:00 AM T T T 14.2 M
2/9/2018 7:00 AM 0.13 1.8 0.13 15.7 M
2/10/2018 7:00 AM 0.07 1.3 0.07 16.4 M
2/11/2018 7:00 AM 0.00 0.0 0.00 15.8 M
2/12/2018 7:00 AM 0.03 0.3 M 15.0 4.15 Since 1400 yesterday, winds steady at 10 mph, gusting to 20-25. Board was bare, so new snow (observed) was estimated from the canister. Snowpack SWE lost close to an inch last week. I suspect local variation between sample sites (within 1 m) due to deer tracks, etc.
2/13/2018 7:00 AM 0.00 0.0 0.00 15.0 M
2/14/2018 7:00 AM 0.00 0.0 0.00 15.0 M
2/15/2018 7:00 AM 0.09 2.0 0.12 16.6 M Light snow continues.
2/16/2018 7:00 AM 0.03 0.3 0.03 16.2 4.79
2/17/2018 7:00 AM 0.01 0.2 0.02 16.4 M
2/18/2018 7:45 AM 0.19 3.1 0.20 19.1 M
2/19/2018 7:00 AM 0.10 1.4 0.15 19.3 5.10 Board measurement may have been increased by wind.
2/20/2018 7:00 AM 0.00 0.0 0.00 19.0 M
2/21/2018 7:00 AM 0.00 0.0 0.00 18.8 M
2/22/2018 7:00 AM 0.00 0.0 0.00 18.5 M
2/23/2018 7:00 AM 0.00 0.0 0.00 18.3 M
2/24/2018 7:00 AM 0.00 0.0 0.00 18.2 M
2/25/2018 7:00 AM 0.00 0.0 0.00 18.1 M
2/26/2018 7:00 AM 0.00 0.0 0.00 18.0 5.10
2/27/2018 7:00 AM 0.11 2.0 0.15 19.5 M
2/28/2018 7:00 AM 0.00 0.0 0.00 19.1 M
3/1/2018 7:00 AM 0.00 0.0 0.00 18.6 M
3/2/2018 7:00 AM 0.00 0.0 0.00 17.9 M
3/3/2018 7:00 AM 0.00 0.0 0.00 16.9 M
3/4/2018 7:00 AM 0.09 2.6 0.09 19.0 M Moderate "cold smoke" snow continues.
3/5/2018 7:00 AM 0.28 4.1 0.38 22.4 5.58 10-15 mph winds in light snow all day - all measurements of SWE are estimates.
3/6/2018 7:00 AM 0.00 0.0 0.00 20.8 M
3/7/2018 7:00 AM 0.00 0.0 0.00 19.8 M
3/8/2018 7:00 AM 0.00 0.0 0.00 18.8 M
3/9/2018 7:00 AM 0.00 0.0 0.00 18.3 M
3/10/2018 7:00 AM 0.01 0.1 0.01 16.6 M
3/11/2018 7:00 AM 0.00 0.0 0.00 16.3 M
3/12/2018 7:00 AM 0.00 0.0 0.00 16.2 5.59
3/13/2018 7:00 AM 0.00 0.0 0.00 15.6 M
3/14/2018 7:00 AM 0.00 0.0 0.00 15.0 M
3/15/2018 7:00 AM 0.28 1.5 0.26 15.1 M
3/16/2018 7:00 AM 0.32 1.1 M 15.0 M 1.1" of snow at 1530; rain melted it back to a trace by sunset.
3/17/2018 7:00 AM 0.00 0.0 0.00 14.9 4.74
3/18/2018 7:00 AM T 0.0 0.00 14.5 M
3/19/2018 7:00 AM 0.11 1.8 0.09 15.1 4.79
3/20/2018 7:00 AM 0.00 0.0 0.00 14.1 M
3/21/2018 7:00 AM 0.00 0.0 0.00 13.0 4.69
3/22/2018 7:00 AM 0.00 0.0 0.00 10.4 M 11.5" of snow remain, with ~90% cover as tree wells enlarge into open areas.
3/23/2018 7:00 AM 0.32 0.0 0.00 7.2 2.56 SWE corrected to represent ~80% cover. Mild, breezy, and rain reduced SWE by about 40% yesterday!
3/24/2018 7:00 AM 0.01 T T 5.0 1.53 SWE corrected for ~70% snow cover. Light rain changed to snow just before 0700.
3/25/2018 7:00 AM 0.42 2.7 0.35 4.7 M Snow depth corrected for ~60% cover. New snowfall and SWE was as of 1030 hr; all melted by evening, so no snow was observed at 0700 on the board.
3/26/2018 7:00 AM T T 0.00 4.6 1.43 Depth and SWE corrected for ~60% snow cover.
3/27/2018 7:00 AM 0.00 0.0 0.00 3.7 M Snow depth corrected for ~50% cover.
3/28/2018 7:00 AM 0.11 0.2 0.02 2.9 0.96 Snow depth and SWE corrected for ~50% cover (although actual cover of recent graupel is ~90%, but will be gone by 1000 hr).
3/29/2018 7:00 AM T 0.0 0.00 0.8 M Snowpack corrected for ~40% cover.
3/30/2018 7:00 AM 0.00 0.0 0.00 0.6 0.30 Snowpack and SWE corrected for ~20% cover.
3/31/2018 7:00 AM 0.03 0.6 0.03 0.6 0.03 Only scattered drift remnants ("T") remain from the winter's accumulation. New and total are today only. Light snow continues.
4/1/2018 7:00 AM 0.02 0.1 0.02 0.0 0.00 New snowfall measured at 12:30 pm. All melted before 7:00 am measurement.
4/2/2018 7:00 AM 0.37 4.9 0.33 4.9 0.33
4/3/2018 7:00 AM 0.19 2.2 0.20 5.8 0.53
4/4/2018 7:00 AM T 0.0 0.00 2.6 0.50
4/5/2018 7:00 AM 0.03 0.0 0.00 0.0 0.00
4/6/2018 7:00 AM 0.13 0.6 0.12 0.6 0.12 Snow board had blown clear. New Snowfall measured from snowpack (none present yesterday).
4/7/2018 7:00 AM 0.01 0.1 0.01 0.1 0.02 Snow board blown clear. New Snowfall estimated from gauge. Snowpack and SWE corrected for ~50% cover.
4/8/2018 7:00 AM 0.47 2.5 0.40 2.5 0.40
4/9/2018 7:00 AM 0.05 0.0 0.00 0.6 0.19
4/10/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/11/2018 7:00 AM 0.14 0.0 0.00 0.0 0.00
4/12/2018 7:00 AM 0.03 0.0 0.00 0.0 0.00
4/13/2018 7:00 AM 0.75 5.8 0.45 5.8 0.45
4/14/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00 ~0.25" snow remains in shady areas. None near measurement area.
4/15/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/16/2018 7:00 AM T 0.0 0.00 0.0 0.00
4/17/2018 7:00 AM 0.63 3.2 0.44 3.2 0.44
4/18/2018 7:00 AM 0.02 0.0 0.00 1.3 0.21 Precip fell as intermittent light snow at above-freezing temps. Never a measurable amount on the board.
4/19/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/20/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/21/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/22/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/23/2018 7:00 AM 1.01 0.7 0.34 0.7 0.34
4/24/2018 7:00 AM 0.43 0.0 0.00 0.0 0.00 Thin patches of snow (<1/4in) near measuring area. ~50% cover. None adjacent to snow board.
4/25/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/26/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/27/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/28/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/29/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/30/2018 7:00 AM 0.48 0.0 0.00 0.0 0.00
5/1/2018 7:00 AM 0.56 0.0 0.00 0.0 0.00
5/2/2018 7:00 AM 0.02 M M M M
5/3/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/4/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/5/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/6/2018 7:00 AM 0.03 0.0 0.00 0.0 0.00
5/7/2018 7:00 AM 0.06 0.0 0.00 0.0 0.00
5/8/2018 7:00 AM 0.02 0.0 0.00 0.0 0.00
5/9/2018 7:00 AM 0.00 0.0 M 0.0 0.00
5/10/2018 7:00 AM 0.12 0.0 0.00 0.0 0.00
5/11/2018 7:00 AM 0.42 0.0 0.00 0.0 0.00
5/12/2018 7:00 AM 0.20 0.0 0.00 0.0 0.00
5/13/2018 7:00 AM T 0.0 0.00 0.0 0.00
5/14/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/15/2018 7:00 AM T 0.0 0.00 0.0 0.00
5/16/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/17/2018 7:00 AM 0.11 0.0 0.00 0.0 0.00
5/18/2018 7:00 AM 0.11 0.0 0.00 0.0 0.00
5/19/2018 7:00 AM 0.04 0.0 0.00 0.0 0.00
5/20/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/21/2018 7:00 AM 0.33 0.0 0.00 0.0 0.00
5/22/2018 7:00 AM 0.03 0.0 0.00 0.0 0.00
5/23/2018 7:00 AM 0.13 0.0 0.00 0.0 0.00
5/24/2018 7:00 AM 0.51 0.0 0.00 0.0 0.00
5/25/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/26/2018 7:00 AM T 0.0 0.00 0.0 0.00
5/27/2018 7:00 AM T 0.0 0.00 0.0 0.00
5/28/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/29/2018 7:00 AM 0.20 0.0 0.00 0.0 0.00
5/30/2018 7:00 AM T 0.0 0.00 0.0 0.00
5/31/2018 7:00 AM T 0.0 0.00 0.0 0.00
6/1/2018 7:00 AM 0.63 0.0 0.00 0.0 0.00
6/2/2018 7:00 AM 0.65 0.0 0.00 0.0 0.00
6/3/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/4/2018 7:00 AM 0.00 0.0 M M M
6/5/2018 7:00 AM 0.00 M M M M Spectacular virga and likely local rain at ground.
6/6/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/7/2018 7:00 AM 0.06 0.0 0.00 0.0 0.00 Moderate rain continues in rare morning thundershower.
6/8/2018 7:00 AM 0.05 0.0 0.00 0.0 0.00
6/9/2018 7:00 AM 0.04 0.0 0.00 0.0 0.00
6/10/2018 7:00 AM 0.03 0.0 0.00 0.0 0.00
6/11/2018 7:00 AM 0.01 0.0 0.00 0.0 0.00
6/12/2018 7:00 AM 0.03 0.0 0.00 0.0 0.00
6/13/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/14/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/15/2018 7:00 AM 0.01 0.0 0.00 0.0 0.00
6/16/2018 7:00 AM 0.13 0.0 0.00 0.0 0.00
6/17/2018 7:00 AM 0.11 0.0 0.00 0.0 0.00 Light rain continues.
6/18/2018 7:00 AM 0.42 0.0 0.00 0.0 0.00
6/19/2018 7:00 AM 0.46 0.0 0.00 0.0 0.00
6/20/2018 7:00 AM 0.31 0.0 0.00 0.0 0.00
6/21/2018 7:00 AM 0.03 0.0 0.00 0.0 0.00
6/22/2018 7:00 AM 0.36 0.0 0.00 0.0 0.00
6/23/2018 7:00 AM 0.07 0.0 0.00 0.0 0.00
6/24/2018 7:00 AM 0.31 0.0 0.00 0.0 0.00
6/25/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/26/2018 7:00 AM T 0.0 0.00 0.0 0.00
6/27/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/28/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/29/2018 7:00 AM 0.54 0.0 0.00 0.0 0.00
6/30/2018 7:00 AM 0.49 0.0 0.00 0.0 0.00
7/1/2018 7:00 AM 0.02 0.0 0.00 0.0 0.00
7/2/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/3/2018 7:00 AM 0.01 0.0 0.00 0.0 0.00
7/4/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00 Low T at site hit 38.3oF - remarkable for July 4!
7/5/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/6/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/7/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/8/2018 7:00 AM 0.04 0.0 0.00 0.0 0.00
7/9/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/10/2018 7:00 AM 0.15 0.0 0.00 0.0 0.00
7/11/2018 7:00 AM T 0.0 0.00 0.0 0.00
7/12/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/13/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/14/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/15/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/16/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/17/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/18/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/19/2018 7:00 AM T 0.0 0.00 0.0 0.00 I counted 2 raindrops.
7/20/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/21/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/22/2018 7:00 AM T 0.0 0.00 0.0 0.00
7/23/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/24/2018 7:00 AM 0.00 0.0 0.00 M 0.00
7/25/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/26/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/27/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/28/2018 7:00 AM T 0.0 0.00 0.0 0.00
7/29/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/30/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/31/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/1/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/2/2018 7:00 AM T 0.0 0.00 0.0 0.00
8/3/2018 7:00 AM 0.02 0.0 0.00 0.0 0.00
8/4/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/5/2018 7:00 AM 0.02 0.0 0.00 0.0 0.00
8/6/2018 7:00 AM 0.14 0.0 0.00 0.0 0.00
8/7/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/8/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/9/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/10/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/11/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/12/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/13/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/14/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/15/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/16/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/17/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/18/2018 7:00 AM T 0.0 0.00 0.0 0.00
8/19/2018 7:00 AM T 0.0 0.00 0.0 0.00 Almost measurable (~0.006")!
8/20/2018 7:00 AM T 0.0 0.00 0.0 0.00
8/21/2018 7:00 AM 0.19 0.0 0.00 0.0 0.00
8/22/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/23/2018 7:00 AM T 0.0 0.00 0.0 0.00
8/24/2018 7:00 AM T 0.0 0.00 0.0 0.00
8/25/2018 7:00 AM T 0.0 0.00 0.0 0.00
8/26/2018 7:00 AM T 0.0 0.00 0.0 0.00
8/27/2018 7:00 AM 0.54 0.0 0.00 0.0 0.00 Steady light rain continues.
8/28/2018 7:00 AM 0.36 0.0 0.00 0.0 0.00
8/29/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/30/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/31/2018 7:00 AM T 0.0 0.00 0.0 0.00
9/1/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/2/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/3/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/4/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/5/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/6/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/7/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/8/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/9/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/10/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/11/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/12/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/13/2018 7:00 AM T 0.0 0.00 0.0 0.00
9/14/2018 7:00 AM 0.02 0.0 0.00 0.0 0.00
9/15/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/16/2018 7:00 AM 0.36 0.0 0.00 0.0 0.00
9/17/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/18/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/19/2018 7:00 AM 0.01 0.0 0.00 0.0 0.00
9/20/2018 7:00 AM 0.02 0.0 0.00 0.0 0.00
9/21/2018 7:00 AM 0.01 0.0 0.00 0.0 0.00
9/22/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/23/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/24/2018 7:00 AM 0.12 0.0 0.00 0.0 0.00
9/25/2018 7:00 AM 0.06 0.0 0.00 0.0 0.00
9/26/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/27/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/28/2018 7:00 AM T 0.0 0.00 0.0 0.00
9/29/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/30/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00



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
5/31/2018 2:18 PM 1/4" Pea Size NA Rice Hard|White Ice 2 1min no damage Continuous True After rain Same time as smaller hail 10-20