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 18 1.72 2.39 31 2.39 31 0.00 0 0 12 6 8.8 5 7
Nov 18 1.18 2.10 30 2.10 30 0.00 0 0 16 2 15.1 9 25
Dec 18 0.87 1.23 31 1.23 31 0.00 0 0 10 3 17.9 10 31
Jan 19 0.84 1.44 31 1.44 31 0.00 0 0 8 3 15.2 9 31
Feb 19 0.79 1.99 28 1.99 28 0.00 0 0 19 0 34.7 19 28
March 19 1.37 0.99 31 0.99 31 0.00 0 0 13 1 9.7 10 31
April 19 2.29 4.04 30 4.04 30 0.00 0 0 17 5 12.4 5 11
May 19 3.15 1.67 31 1.67 31 0.00 0 0 16 4 0.0 0 0
June 19 3.15 3.33 30 3.33 30 0.00 0 0 15 7 1.0 2 0
July 19 1.50 1.70 31 1.70 31 0.00 0 0 15 4 0.0 0 0
Aug 19 1.41 0.62 31 0.62 31 0.00 0 0 9 7 0.0 0 0
Sept 19 1.46 4.20 30 4.20 30 0.00 0 0 12 2 1.5 1 2
Water Year Totals: 19.73" 25.70" 365 days 25.70" 365 0.00" 0 days 0 162 days 44 days 116.3" 70 days 166 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
10/1/2018 0.24
10/2/2018 0.00
10/3/2018 T
10/4/2018 0.00
10/5/2018 0.76
10/6/2018 0.00
10/7/2018 0.04
10/8/2018 0.14
10/9/2018 0.01
10/10/2018 T
10/11/2018 0.01
10/12/2018 T
10/13/2018 0.20
10/14/2018 0.45
10/15/2018 T
10/16/2018 0.00
10/17/2018 0.00
10/18/2018 0.00
10/19/2018 0.00
10/20/2018 0.00
10/21/2018 0.00
10/22/2018 0.00
10/23/2018 0.00
10/24/2018 0.00
10/25/2018 T
10/26/2018 0.00
10/27/2018 0.07
10/28/2018 0.06
10/29/2018 0.23
10/30/2018 0.18
10/31/2018 T
11/1/2018 0.04
11/2/2018 0.22
11/3/2018 0.05
11/4/2018 0.08
11/5/2018 0.08
11/6/2018 0.31
11/7/2018 0.20
11/8/2018 0.22
11/9/2018 0.00
11/10/2018 0.04
11/11/2018 0.08
11/12/2018 0.06
11/13/2018 0.00
11/14/2018 0.00
11/15/2018 0.00
11/16/2018 0.03
11/17/2018 0.30
11/18/2018 T
11/19/2018 0.00
11/20/2018 0.00
11/21/2018 0.00
11/22/2018 0.00
11/23/2018 0.01
11/24/2018 0.25
11/25/2018 0.13
11/26/2018 0.00
11/27/2018 0.00
11/28/2018 0.00
11/29/2018 T
11/30/2018 0.00
12/1/2018 0.15
12/2/2018 0.00
12/3/2018 0.00
12/4/2018 0.01
12/5/2018 0.00
12/6/2018 0.00
12/7/2018 0.00
12/8/2018 0.00
12/9/2018 0.00
12/10/2018 0.00
12/11/2018 0.15
12/12/2018 0.00
12/13/2018 T
12/14/2018 0.00
12/15/2018 0.00
12/16/2018 0.00
12/17/2018 0.00
12/18/2018 0.00
12/19/2018 T
12/20/2018 0.00
12/21/2018 0.09
12/22/2018 0.00
12/23/2018 0.00
12/24/2018 0.00
12/25/2018 0.07
12/26/2018 0.16
12/27/2018 0.01
12/28/2018 0.19
12/29/2018 T
12/30/2018 0.04
12/31/2018 0.36
Day of YearDaily PrcpMultiday Prcp
1/1/2019 0.00
1/2/2019 0.00
1/3/2019 0.00
1/4/2019 0.00
1/5/2019 0.00
1/6/2019 0.00
1/7/2019 0.00
1/8/2019 T
1/9/2019 0.00
1/10/2019 0.00
1/11/2019 0.00
1/12/2019 0.00
1/13/2019 0.00
1/14/2019 0.00
1/15/2019 0.00
1/16/2019 0.00
1/17/2019 0.00
1/18/2019 0.05
1/19/2019 T
1/20/2019 0.25
1/21/2019 0.34
1/22/2019 0.23
1/23/2019 0.07
1/24/2019 0.21
1/25/2019 T
1/26/2019 0.13
1/27/2019 0.00
1/28/2019 0.16
1/29/2019 0.00
1/30/2019 0.00
1/31/2019 0.00
2/1/2019 0.00
2/2/2019 0.00
2/3/2019 0.00
2/4/2019 0.09
2/5/2019 0.06
2/6/2019 0.24
2/7/2019 0.04
2/8/2019 0.00
2/9/2019 0.03
2/10/2019 0.00
2/11/2019 0.06
2/12/2019 0.00
2/13/2019 0.00
2/14/2019 0.12
2/15/2019 0.13
2/16/2019 0.03
2/17/2019 0.03
2/18/2019 0.01
2/19/2019 0.03
2/20/2019 0.00
2/21/2019 0.05
2/22/2019 0.01
2/23/2019 0.00
2/24/2019 0.13
2/25/2019 0.18
2/26/2019 0.04
2/27/2019 0.48
2/28/2019 0.23
3/1/2019 0.28
3/2/2019 0.03
3/3/2019 0.03
3/4/2019 0.00
3/5/2019 0.00
3/6/2019 0.13
3/7/2019 T
3/8/2019 0.05
3/9/2019 0.09
3/10/2019 0.01
3/11/2019 0.00
3/12/2019 0.00
3/13/2019 0.00
3/14/2019 0.04
3/15/2019 0.00
3/16/2019 0.00
3/17/2019 0.00
3/18/2019 0.00
3/19/2019 0.00
3/20/2019 0.00
3/21/2019 0.00
3/22/2019 0.00
3/23/2019 0.00
3/24/2019 0.00
3/25/2019 0.07
3/26/2019 0.00
3/27/2019 0.01
3/28/2019 0.05
3/29/2019 0.08
3/30/2019 0.12
3/31/2019 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2019 0.00
4/2/2019 0.00
4/3/2019 0.00
4/4/2019 0.12
4/5/2019 T
4/6/2019 0.08
4/7/2019 0.01
4/8/2019 0.18
4/9/2019 0.67
4/10/2019 0.60
4/11/2019 0.20
4/12/2019 0.03
4/13/2019 0.03
4/14/2019 0.05
4/15/2019 0.29
4/16/2019 T
4/17/2019 0.01
4/18/2019 0.00
4/19/2019 0.00
4/20/2019 0.02
4/21/2019 1.03
4/22/2019 0.03
4/23/2019 T
4/24/2019 T
4/25/2019 0.00
4/26/2019 0.00
4/27/2019 0.37
4/28/2019 0.32
4/29/2019 0.00
4/30/2019 T
5/1/2019 0.02
5/2/2019 0.00
5/3/2019 0.02
5/4/2019 0.00
5/5/2019 0.00
5/6/2019 T
5/7/2019 0.00
5/8/2019 0.05
5/9/2019 0.01
5/10/2019 0.00
5/11/2019 0.06
5/12/2019 T
5/13/2019 0.00
5/14/2019 0.00
5/15/2019 0.00
5/16/2019 0.28
5/17/2019 0.04
5/18/2019 0.60
5/19/2019 0.09
5/20/2019 0.00
5/21/2019 T
5/22/2019 0.04
5/23/2019 0.01
5/24/2019 T
5/25/2019 0.01
5/26/2019 0.02
5/27/2019 0.32
5/28/2019 0.06
5/29/2019 0.04
5/30/2019 0.00
5/31/2019 0.00
6/1/2019 0.02
6/2/2019 T
6/3/2019 T
6/4/2019 0.05
6/5/2019 0.00
6/6/2019 0.00
6/7/2019 T
6/8/2019 1.01
6/9/2019 0.10
6/10/2019 0.00
6/11/2019 T
6/12/2019 0.00
6/13/2019 0.00
6/14/2019 0.52
6/15/2019 0.05
6/16/2019 0.10
6/17/2019 0.47
6/18/2019 0.00
6/19/2019 0.00
6/20/2019 T
6/21/2019 0.74
6/22/2019 0.09
6/23/2019 0.01
6/24/2019 0.05
6/25/2019 0.01
6/26/2019 0.08
6/27/2019 0.03
6/28/2019 T
6/29/2019 T
6/30/2019 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2019 0.03
7/2/2019 T
7/3/2019 0.27
7/4/2019 0.13
7/5/2019 0.07
7/6/2019 0.00
7/7/2019 T
7/8/2019 0.19
7/9/2019 0.06
7/10/2019 0.00
7/11/2019 0.00
7/12/2019 0.14
7/13/2019 0.06
7/14/2019 0.26
7/15/2019 0.09
7/16/2019 0.16
7/17/2019 0.14
7/18/2019 0.00
7/19/2019 0.00
7/20/2019 0.00
7/21/2019 0.00
7/22/2019 0.00
7/23/2019 T
7/24/2019 0.02
7/25/2019 0.00
7/26/2019 0.00
7/27/2019 0.00
7/28/2019 0.06
7/29/2019 0.00
7/30/2019 T
7/31/2019 0.02
8/1/2019 T
8/2/2019 0.12
8/3/2019 0.08
8/4/2019 0.02
8/5/2019 0.04
8/6/2019 0.07
8/7/2019 T
8/8/2019 T
8/9/2019 0.00
8/10/2019 0.16
8/11/2019 T
8/12/2019 0.02
8/13/2019 0.00
8/14/2019 0.00
8/15/2019 T
8/16/2019 0.00
8/17/2019 0.00
8/18/2019 0.00
8/19/2019 0.00
8/20/2019 0.00
8/21/2019 0.00
8/22/2019 0.00
8/23/2019 0.08
8/24/2019 0.00
8/25/2019 0.03
8/26/2019 0.00
8/27/2019 0.00
8/28/2019 0.00
8/29/2019 0.00
8/30/2019 T
8/31/2019 T
9/1/2019 0.00
9/2/2019 0.00
9/3/2019 0.00
9/4/2019 0.00
9/5/2019 0.00
9/6/2019 0.00
9/7/2019 0.54
9/8/2019 T
9/9/2019 0.69
9/10/2019 0.20
9/11/2019 0.21
9/12/2019 0.28
9/13/2019 0.00
9/14/2019 T
9/15/2019 0.00
9/16/2019 0.00
9/17/2019 0.14
9/18/2019 0.00
9/19/2019 0.00
9/20/2019 0.00
9/21/2019 1.35
9/22/2019 0.36
9/23/2019 0.00
9/24/2019 0.00
9/25/2019 0.00
9/26/2019 0.00
9/27/2019 0.09
9/28/2019 0.02
9/29/2019 0.26
9/30/2019 0.06



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2018 7:00 AM 0.24 0.2 M 0.0 0.00 Snow began at 0755, measured at 0930. At 0700 today, a thin (<0.1") icy crust remained on the board, but nothing on the adjacent grass.
10/2/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/3/2018 7:00 AM T 0.0 0.00 0.0 0.00
10/4/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/5/2018 7:00 AM 0.76 1.4 0.35 1.4 0.35
10/6/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/7/2018 7:00 AM 0.04 0.0 0.00 0.0 0.00
10/8/2018 7:00 AM 0.14 0.0 0.00 0.0 0.00
10/9/2018 7:00 AM 0.01 0.0 0.00 0.0 0.00
10/10/2018 7:00 AM T T T T T
10/11/2018 7:00 AM 0.01 T T T T
10/12/2018 7:00 AM T T 0.00 0.0 0.00
10/13/2018 7:00 AM 0.20 1.6 0.19 1.6 0.19 Moderate snow continues.
10/14/2018 7:00 AM 0.45 5.4 0.43 6.4 0.57 NOTE: new snow measured at 1430 yesterday. Today's, settled, new snow on the board was 4.2".
10/15/2018 7:00 AM T T 0.00 3.5 0.41 Note: SWE is an underestimate because the bottom few mm froze to the grass beneath. There was overnight frost on the board but no ppt accumulation.
10/16/2018 7:00 AM 0.00 0.0 0.00 2.0 0.30 SWE corrected for ~90% snow cover.
10/17/2018 7:00 AM 0.00 0.0 0.00 0.4 0.02 Note: SWE corrected for ~40% snow cover.
10/18/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00 Scattered snow remains in shaded, drifted areas.
10/19/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/20/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/21/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/22/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/23/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/24/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/25/2018 7:00 AM T 0.0 0.00 0.0 0.00
10/26/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/27/2018 7:00 AM 0.07 0.0 0.00 0.0 0.00
10/28/2018 7:00 AM 0.06 0.0 0.00 0.0 0.00
10/29/2018 7:00 AM 0.23 0.0 0.00 0.0 0.00 Light rain/mix continues.
10/30/2018 7:00 AM 0.18 0.2 0.13 0.2 0.13 In five years of participation, this was the most difficult measurement. Began as soft but bouncy hail (maybe graupel) then transitioned to a rain/snow mix. Board and cylinder were encrusted with frozen ... stuff!
10/31/2018 7:00 AM T T 0.00 0.0 0.00
11/1/2018 7:00 AM 0.04 T T 0.0 0.00 Very light snow throughout, with no observed accumulation. Start time accurate; ending approximate (fix the form?)
11/2/2018 7:00 AM 0.22 0.0 0.00 0.0 0.00
11/3/2018 7:00 AM 0.05 0.0 0.00 0.0 0.00
11/4/2018 7:00 AM 0.08 0.0 0.00 0.0 0.00
11/5/2018 7:00 AM 0.08 T T 0.0 0.00 Scattered graupel in water on the board.
11/6/2018 7:00 AM 0.31 4.3 0.27 5.0 0.27 Still snowing. No wind and T near freezing, thus sticking everywhere.
11/7/2018 7:00 AM 0.20 1.1 0.14 4.3 0.34 Light snow off and on throughout the day.
11/8/2018 7:00 AM 0.22 2.2 0.21 6.1 0.47
11/9/2018 7:00 AM 0.00 0.0 0.00 5.2 0.43
11/10/2018 7:00 AM 0.04 0.4 0.03 4.4 0.48 Very light snow started before first light and continues.
11/11/2018 7:00 AM 0.08 0.3 0.04 4.4 0.48 New snow likely an underestimate due to melt and compaction. No snow in can - only melt-freeze ice.
11/12/2018 7:00 AM 0.06 0.4 0.05 4.9 0.50
11/13/2018 7:00 AM 0.00 0.0 0.00 4.9 0.50
11/14/2018 7:00 AM 0.00 0.0 0.00 4.0 0.51
11/15/2018 7:00 AM 0.00 0.0 0.00 3.9 0.50
11/16/2018 7:00 AM 0.03 T T 2.9 0.58 Mixed ppt occurring.
11/17/2018 7:00 AM 0.30 1.6 0.20 4.4 0.72 Light rain all morning, changing to snow at ~1215 hr and ending at ~1830 hr.
11/18/2018 7:00 AM T T T 4.1 0.73 A few flakes were observed early, but sublimated from the board. The can was heavily frosted: 0.05" by weight. When the exterior was cleaned, weight dropped by half. I infer that the remaining moisture was entirely frost.
11/19/2018 7:00 AM 0.00 0.0 0.00 3.5 0.70
11/20/2018 7:00 AM 0.00 0.0 0.00 3.2 0.63
11/21/2018 7:00 AM 0.00 0.0 0.00 3.0 0.57 SWE adjusted for ~90% snow cover.
11/22/2018 7:00 AM 0.00 0.0 0.00 2.4 0.54 SWE adjusted for ~80% snow cover.
11/23/2018 7:00 AM 0.01 T T 2.2 0.45 SWE adjusted to ~70% snow cover.
11/24/2018 7:00 AM 0.25 2.8 0.25 6.1 0.85 About 40% of my observation plot ("yard"), largely near trees, had melted clear. The remainder, more representative of the adjacent valley, retained ~3" of granular snow - about 0.6" water equivalent. Measurements from here out will assume uniform cover, thus slightly overestimate the SWE in my area.
11/25/2018 7:00 AM 0.13 2.0 0.12 6.8 0.91 Snow ended at 10 AM, although scattered flakes persisted past noon. Snow measured 2.0" at 10, but 1.75" at 0700 observation. By weight, 0.14" in the canister, but heavy frost (removed from outside, but not inside) was estimated from previous observations at about 0.01".
11/26/2018 7:00 AM 0.00 0.0 0.00 6.2 0.91
11/27/2018 7:00 AM 0.00 0.0 0.00 6.0 1.01 Apparent increase in SWE represents sampling variability.
11/28/2018 7:00 AM 0.00 0.0 0.00 5.0 0.95
11/29/2018 7:00 AM T T T 4.5 0.95
11/30/2018 7:00 AM 0.00 0.0 0.00 4.5 1.03
12/1/2018 7:00 AM 0.15 2.0 0.14 6.7 M
12/2/2018 7:00 AM 0.00 0.0 0.00 6.3 1.18
12/3/2018 7:00 AM 0.00 0.0 0.00 5.8 0.99
12/4/2018 7:00 AM 0.01 0.1 0.01 5.8 M
12/5/2018 7:00 AM 0.00 0.0 0.00 5.6 1.13
12/6/2018 7:00 AM 0.00 0.0 0.00 5.5 M
12/7/2018 7:00 AM 0.00 0.0 0.00 5.5 M
12/8/2018 7:00 AM 0.00 0.0 0.00 5.5 M
12/9/2018 7:00 AM 0.00 0.0 0.00 5.5 M
12/10/2018 7:00 AM 0.00 0.0 0.00 5.5 1.10
12/11/2018 7:00 AM 0.15 2.0 0.21 7.8 1.31
12/12/2018 7:00 AM 0.00 0.0 0.00 7.2 M
12/13/2018 7:00 AM T T T 7.0 M
12/14/2018 7:00 AM 0.00 0.0 0.00 7.0 M
12/15/2018 7:00 AM 0.00 0.0 0.00 7.0 M
12/16/2018 7:00 AM 0.00 0.0 0.00 6.9 M
12/17/2018 7:00 AM 0.00 0.0 0.00 6.5 1.13
12/18/2018 7:00 AM 0.00 0.0 0.00 6.0 M
12/19/2018 7:00 AM T T T 5.6 M
12/20/2018 7:00 AM 0.00 0.0 0.00 5.3 1.08 SWE adjusted for ~95% cover as tree wells expand into open ground.
12/21/2018 7:00 AM 0.09 1.0 0.09 6.3 1.23
12/22/2018 7:00 AM 0.00 0.0 0.00 6.0 M
12/23/2018 7:00 AM 0.00 0.0 0.00 6.0 M
12/24/2018 7:00 AM 0.00 0.0 0.00 6.0 1.24
12/25/2018 7:00 AM 0.07 1.0 0.07 6.5 1.38
12/26/2018 7:00 AM 0.16 2.0 0.16 8.1 M
12/27/2018 7:00 AM 0.01 0.1 0.01 8.1 M
12/28/2018 7:00 AM 0.19 1.9 0.20 9.8 M
12/29/2018 7:00 AM T T T 9.5 M
12/30/2018 7:00 AM 0.04 0.8 0.05 8.8 M Note: 0.5" new snow measured on the board; 0.5" at 0900 plus 0.3" at 1200 measured elsewhere, followed by an additional trace and 12 hours of melting and consolidation.
12/31/2018 7:00 AM 0.36 7.0 0.50 14.4 1.53 Winds 10 gusting to 25 rearranged snow depth, SWE, and precip values!
1/1/2019 7:00 AM 0.00 0.0 0.00 13.0 M
1/2/2019 7:00 AM 0.00 0.0 0.00 12.2 M
1/3/2019 7:00 AM 0.00 0.0 0.00 11.8 M
1/4/2019 7:00 AM 0.00 0.0 0.00 10.8 M
1/5/2019 7:00 AM 0.00 0.0 0.00 10.7 M
1/6/2019 7:00 AM 0.00 0.0 0.00 10.5 M
1/7/2019 7:00 AM 0.00 0.0 0.00 9.0 2.06
1/8/2019 7:00 AM T 0.1 T 9.0 M Gusts over 30 mph during brief snow squall - measurements are only estimates!
1/9/2019 7:00 AM 0.00 0.0 0.00 9.0 M
1/10/2019 7:00 AM 0.00 0.0 0.00 8.8 M
1/11/2019 7:00 AM 0.00 0.0 0.00 8.5 M
1/12/2019 7:00 AM 0.00 0.0 0.00 8.5 M
1/13/2019 7:00 AM 0.00 0.0 0.00 8.5 M
1/14/2019 7:00 AM 0.00 0.0 0.00 8.5 2.07
1/15/2019 7:00 AM 0.00 0.0 0.00 8.5 M
1/16/2019 7:00 AM 0.00 0.0 0.00 8.5 M
1/17/2019 7:00 AM 0.00 0.0 0.00 8.5 M
1/18/2019 7:00 AM 0.05 0.5 0.04 9.0 M
1/19/2019 7:00 AM T T T 8.8 M
1/20/2019 7:00 AM 0.25 0.8 0.19 9.5 2.36 Apparently a rain-snow-rain all during the hours of darkness.
1/21/2019 7:00 AM 0.34 3.5 0.28 13.0 2.70 Light snow continues.
1/22/2019 7:00 AM 0.23 2.8 0.23 15.2 M
1/23/2019 7:00 AM 0.07 0.8 0.05 14.2 M
1/24/2019 7:00 AM 0.21 3.3 0.19 17.0 M
1/25/2019 7:00 AM T T T 16.0 M
1/26/2019 7:00 AM 0.13 1.4 0.12 16.4 M
1/27/2019 7:00 AM 0.00 0.0 0.00 14.8 M
1/28/2019 7:00 AM 0.16 2.0 0.15 16.3 2.98 NOTE: Measured SWE is exactly 0.5" less than that last measured a couple of inches away (corrected for intervening rain/snow events). Neither measurement is "wrong", but the 0.01" apparent resolution is illusory.
1/29/2019 7:00 AM 0.00 0.0 0.00 15.8 M
1/30/2019 7:00 AM 0.00 0.0 0.00 15.7 M
1/31/2019 7:00 AM 0.00 0.0 0.00 15.7 M
2/1/2019 7:00 AM 0.00 0.0 0.00 14.4 M
2/2/2019 7:00 AM 0.00 0.0 0.00 14.3 M
2/3/2019 7:00 AM 0.00 0.0 0.00 13.3 3.20
2/4/2019 7:00 AM 0.09 0.2 0.02 13.5 3.29 I believe that snow from the board blew into (and filled) my footpath, thus it significantly underestimates actual snowfall. Winds have been steady at 10, gusting to 25 mph, for 30 hours.
2/5/2019 7:00 AM 0.06 0.5 0.06 13.5 M
2/6/2019 7:00 AM 0.24 3.2 0.24 17.0 M
2/7/2019 7:00 AM 0.04 0.4 0.04 16.5 M -21oF at 0600 - coldest in years!
2/8/2019 7:00 AM 0.00 0.0 0.00 16.3 M
2/9/2019 7:00 AM 0.03 0.4 0.03 16.9 M
2/10/2019 7:00 AM 0.00 0.0 0.00 16.8 M
2/11/2019 7:00 AM 0.06 1.6 0.23 17.2 3.46 Unlike last week, today the board overestimates actual snowfall - probably about 0.7". Once again, footpath is blown in.
2/12/2019 7:00 AM 0.00 0.0 0.00 17.0 M
2/13/2019 7:00 AM 0.00 0.0 0.00 16.8 M
2/14/2019 7:00 AM 0.12 3.0 0.12 19.0 M
2/15/2019 7:00 AM 0.13 1.9 0.13 20.2 M Gusts to 35 mph redistributed ground level snow - again.
2/16/2019 7:00 AM 0.03 1.0 0.03 18.5 M Note: a strong squall left an inch of light fluffy snow in the 0700-0800 hour. It proceeded to melt in the day, leaving nothing on the board and ice in the can.
2/17/2019 7:00 AM 0.03 0.5 0.03 18.9 M
2/18/2019 7:00 AM 0.01 0.2 0.01 18.9 3.74
2/19/2019 7:00 AM 0.03 0.4 0.03 19.2 M
2/20/2019 7:00 AM 0.00 0.0 0.00 19.0 M
2/21/2019 7:00 AM 0.05 1.2 0.50 20.1 M
2/22/2019 7:00 AM 0.01 0.2 0.01 20.0 M
2/23/2019 7:00 AM 0.00 0.0 0.00 19.0 M
2/24/2019 7:00 AM 0.13 2.1 0.14 20.5 M
2/25/2019 7:00 AM 0.18 5.8 0.33 24.0 4.17 Wind drifted the sniw in the can up to the top, so this time the board MAY be more accurate.
2/26/2019 7:00 AM 0.04 1.7 0.08 24.0 M Wind affected.
2/27/2019 7:00 AM 0.48 8.1 0.48 30.5 M
2/28/2019 7:00 AM 0.23 2.3 0.23 30.0 M
3/1/2019 7:00 AM 0.28 4.4 0.28 32.0 M
3/2/2019 7:00 AM 0.03 0.4 0.03 29.5 M NOTE: new snow is estimate. Board actually held 1.0" (0.33" SWE) of compact, wind-drifted snow.
3/3/2019 7:00 AM 0.03 0.4 0.03 29.8 M
3/4/2019 7:00 AM 0.00 0.0 0.00 29.5 5.24
3/5/2019 7:00 AM 0.00 0.0 0.00 29.5 M
3/6/2019 7:00 AM 0.13 1.2 0.13 29.0 M
3/7/2019 7:00 AM T T T 27.4 M
3/8/2019 7:00 AM 0.05 0.7 0.05 28.0 M
3/9/2019 7:00 AM 0.09 1.3 0.09 28.0 M Note: 1.1"/0.07 SWE of snow was measured at 1200 hr, in advance of an afternoon melt/consolidation event. The remainder was an icy crust measured at 0700 hr.
3/10/2019 7:00 AM 0.01 0.1 0.01 27.8 M
3/11/2019 7:00 AM 0.00 0.0 0.00 27.0 5.54
3/12/2019 7:00 AM 0.00 0.0 0.00 27.0 M
3/13/2019 7:00 AM 0.00 0.0 0.00 26.5 M
3/14/2019 7:00 AM 0.04 0.2 0.03 26.7 M
3/15/2019 7:00 AM 0.00 T T 26.0 M
3/16/2019 7:00 AM 0.00 0.0 0.00 25.5 M
3/17/2019 7:00 AM 0.00 0.0 0.00 24.5 M
3/18/2019 7:00 AM 0.00 0.0 0.00 24.0 5.57
3/19/2019 7:00 AM 0.00 0.0 0.00 23.5 5.72
3/20/2019 7:00 AM 0.00 0.0 0.00 23.0 M
3/21/2019 7:00 AM 0.00 0.0 0.00 21.0 M
3/22/2019 7:00 AM 0.00 0.0 0.00 20.0 M
3/23/2019 7:00 AM 0.00 0.0 0.00 19.0 5.55
3/24/2019 7:00 AM 0.00 0.0 0.00 17.0 4.84
3/25/2019 7:00 AM 0.07 0.0 0.00 16.0 4.48
3/26/2019 7:00 AM 0.00 0.0 0.00 13.7 3.80
3/27/2019 7:00 AM 0.01 0.0 0.00 11.7 2.84
3/28/2019 7:00 AM 0.05 T T 10.6 2.23 SWE corrected for ~95% snowcover. Very light snow falling.
3/29/2019 7:00 AM 0.08 0.2 0.03 10.8 M
3/30/2019 7:00 AM 0.12 0.8 0.04 9.7 2.95 New snow is 0.3 observed, plus 0.5 fell and melted. Snow depth and SWE corrected for ~90% snow cover.
3/31/2019 7:00 AM 0.00 0.0 0.00 9.2 2.62 Snow depth and SWE corrected for ~90% cover.
4/1/2019 7:00 AM 0.00 0.0 0.00 6.8 1.94 Snow depth and SWE corrected for ~80% cover.
4/2/2019 7:00 AM 0.00 0.0 0.00 5.6 1.55 Snow depth and SWE corrected for ~70% cover.
4/3/2019 7:00 AM 0.00 0.0 0.00 3.6 0.92 Snow depth and SWE corrected for ~60% cover.
4/4/2019 7:00 AM 0.12 0.0 0.00 0.9 0.20 Snow depth and SWE corrected for ~30% cover.
4/5/2019 7:00 AM T 0.0 0.00 0.2 0.04 Snow depth and SWE corrected for ~10% cover.
4/6/2019 7:00 AM 0.08 0.0 0.00 0.0 0.00
4/7/2019 7:00 AM 0.01 0.0 0.00 0.0 0.00
4/8/2019 7:00 AM 0.18 0.0 0.00 0.0 0.00
4/9/2019 7:00 AM 0.67 0.0 0.00 0.0 0.00
4/10/2019 7:00 AM 0.60 0.1 0.04 0.1 0.04
4/11/2019 7:00 AM 0.20 2.1 0.14 2.1 0.14
4/12/2019 7:00 AM 0.03 0.1 0.02 0.1 0.01
4/13/2019 7:00 AM 0.03 0.0 0.00 0.0 0.00
4/14/2019 8:45 AM 0.05 0.0 0.00 0.0 0.00
4/15/2019 7:00 AM 0.29 4.1 0.24 4.1 0.24
4/16/2019 7:00 AM T 0.0 0.00 0.0 0.00
4/17/2019 7:00 AM 0.01 0.0 0.00 0.0 0.00
4/18/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/19/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/20/2019 7:00 AM 0.02 0.0 0.00 0.0 0.00
4/21/2019 7:00 AM 1.03 0.0 0.00 0.0 0.00
4/22/2019 7:00 AM 0.03 0.0 0.00 0.0 0.00
4/23/2019 7:00 AM T 0.0 0.00 0.0 0.00
4/24/2019 7:00 AM T 0.0 0.00 0.0 0.00 Sprinkling at 7 am
4/25/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/26/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/27/2019 7:00 AM 0.37 0.0 0.00 0.0 0.00
4/28/2019 7:00 AM 0.32 6.0 0.32 6.0 0.32
4/29/2019 7:00 AM 0.00 0.0 0.00 1.5 0.11
4/30/2019 7:00 AM T T T 0.0 0.00
5/1/2019 7:00 AM 0.02 0.0 0.00 0.0 0.00
5/2/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/3/2019 7:00 AM 0.02 0.0 0.00 0.0 0.00
5/4/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/5/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/6/2019 7:00 AM T 0.0 0.00 0.0 0.00
5/7/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/8/2019 7:00 AM 0.05 0.0 0.00 0.0 0.00
5/9/2019 7:00 AM 0.01 0.0 0.00 0.0 0.00
5/10/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/11/2019 7:00 AM 0.06 0.0 0.00 0.0 0.00
5/12/2019 7:00 AM T 0.0 0.00 0.0 0.00
5/13/2019 7:00 AM 0.00 M 0.00 0.0 0.00
5/14/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/15/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/16/2019 7:00 AM 0.28 0.0 0.00 0.0 0.00
5/17/2019 7:00 AM 0.04 0.0 0.00 0.0 0.00
5/18/2019 7:00 AM 0.60 0.0 0.00 0.0 0.00
5/19/2019 7:00 AM 0.09 0.0 0.00 0.0 0.00
5/20/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/21/2019 7:00 AM T T T 0.0 0.00
5/22/2019 7:00 AM 0.04 T T T T
5/23/2019 7:00 AM 0.01 0.0 0.00 0.0 0.00
5/24/2019 7:00 AM T 0.0 0.00 0.0 0.00
5/25/2019 7:00 AM 0.01 0.0 0.00 0.0 0.00
5/26/2019 7:00 AM 0.02 0.0 0.00 0.0 0.00
5/27/2019 7:00 AM 0.32 0.0 0.00 0.0 0.00
5/28/2019 7:00 AM 0.06 0.0 0.00 0.0 0.00
5/29/2019 7:00 AM 0.04 0.0 0.00 0.0 0.00
5/30/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/31/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/1/2019 7:00 AM 0.02 0.0 0.00 0.0 0.00
6/2/2019 7:00 AM T 0.0 0.00 0.0 0.00
6/3/2019 7:00 AM T 0.0 0.00 0.0 0.00
6/4/2019 7:00 AM 0.05 0.0 0.00 0.0 0.00
6/5/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/6/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/7/2019 7:00 AM T 0.0 0.00 0.0 0.00
6/8/2019 7:00 AM 1.01 0.1 0.01 0.0 0.00
6/9/2019 7:00 AM 0.10 0.0 0.00 0.0 0.00 Several minor hail squalls (rice-to-pea) in mid-day.
6/10/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/11/2019 7:00 AM T M M M M
6/12/2019 7:00 AM 0.00 M M M M
6/13/2019 7:00 AM 0.00 0.0 M M M
6/14/2019 7:00 AM 0.52 M M M M
6/15/2019 7:00 AM 0.05 M M M M
6/16/2019 7:00 AM 0.10 M M M M
6/17/2019 7:00 AM 0.47 M M M M
6/18/2019 7:00 AM 0.00 M M M M
6/19/2019 7:00 AM 0.00 M M M M
6/20/2019 7:00 AM T M M M M
6/21/2019 7:00 AM 0.74 0.9 M 0.0 0.00 Heavy snow 6-7 PM. Max. accumulation observed at 7 PM. All snow melted by 7 AM, except on insulated surfaces (broad leaves, mulch pile). In six years, latest measurable snow by over a month!
6/22/2019 7:00 AM 0.09 0.0 0.00 0.0 0.00
6/23/2019 7:00 AM 0.01 0.0 0.00 0.0 0.00
6/24/2019 7:00 AM 0.05 0.0 0.00 0.0 0.00
6/25/2019 7:00 AM 0.01 0.0 0.00 0.0 0.00
6/26/2019 7:00 AM 0.08 0.0 0.00 0.0 0.00
6/27/2019 7:00 AM 0.03 M M M M
6/28/2019 7:00 AM T M M M M
6/29/2019 7:00 AM T M M M M
6/30/2019 7:00 AM 0.00 M M M M
7/1/2019 7:00 AM 0.03 0.0 0.00 0.0 0.00
7/2/2019 7:00 AM T M M M M
7/3/2019 7:00 AM 0.27 0.0 0.00 0.0 0.00
7/4/2019 7:00 AM 0.13 0.0 0.00 0.0 0.00
7/5/2019 7:00 AM 0.07 0.0 0.00 0.0 0.00
7/6/2019 7:00 AM 0.00 M M M M
7/7/2019 7:00 AM T M M M M
7/8/2019 7:00 AM 0.19 0.0 0.00 0.0 0.00
7/9/2019 7:00 AM 0.06 0.0 0.00 0.0 0.00
7/10/2019 7:00 AM 0.00 0.0 M M M
7/11/2019 7:00 AM 0.00 M M M M
7/12/2019 7:00 AM 0.14 M M M M
7/13/2019 7:00 AM 0.06 0.0 0.00 0.0 0.00
7/14/2019 7:00 AM 0.26 0.0 0.00 0.0 0.00
7/15/2019 7:00 AM 0.09 0.0 0.00 0.0 0.00
7/16/2019 7:00 AM 0.16 0.0 0.00 0.0 0.00
7/17/2019 7:00 AM 0.14 0.0 0.00 0.0 0.00
7/18/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/19/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/20/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/21/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/22/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/23/2019 7:00 AM T 0.0 0.00 0.0 0.00
7/24/2019 7:00 AM 0.02 0.0 0.00 0.0 0.00
7/25/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/26/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/27/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/28/2019 7:00 AM 0.06 0.0 0.00 0.0 0.00
7/29/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/30/2019 7:00 AM T 0.0 0.00 0.0 0.00 Virga everywhere, but nothing seen to hit the ground. One drop felt!
7/31/2019 7:00 AM 0.02 0.0 0.00 0.0 0.00
8/1/2019 7:00 AM T 0.0 0.00 0.0 0.00
8/2/2019 7:00 AM 0.12 0.0 0.00 0.0 0.00
8/3/2019 7:00 AM 0.08 0.0 0.00 0.0 0.00
8/4/2019 7:00 AM 0.02 0.0 0.00 0.0 0.00
8/5/2019 7:00 AM 0.04 0.0 0.00 0.0 0.00
8/6/2019 7:00 AM 0.07 0.0 0.00 0.0 0.00
8/7/2019 7:00 AM T 0.0 0.00 0.0 0.00
8/8/2019 7:00 AM T 0.0 0.00 0.0 0.00
8/9/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00 Threatened since 4 on, but not a drop!
8/10/2019 7:00 AM 0.16 0.0 0.00 0.0 0.00
8/11/2019 7:00 AM T 0.0 0.00 0.0 0.00
8/12/2019 7:00 AM 0.02 0.0 0.00 0.0 0.00
8/13/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/14/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/15/2019 7:00 AM T 0.0 0.00 0.0 0.00
8/16/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/17/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/18/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/19/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/20/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/21/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/22/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/23/2019 7:00 AM 0.08 0.0 0.00 0.0 0.00
8/24/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/25/2019 7:00 AM 0.03 0.0 0.00 0.0 0.00
8/26/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/27/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/28/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/29/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/30/2019 7:00 AM T 0.0 0.00 0.0 0.00
8/31/2019 7:00 AM T 0.0 0.00 0.0 0.00
9/1/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/2/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/3/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/4/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/5/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/6/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/7/2019 7:00 AM 0.54 0.0 0.00 0.0 0.00
9/8/2019 7:00 AM T 0.0 0.00 0.0 0.00
9/9/2019 7:00 AM 0.69 0.0 0.00 0.0 0.00
9/10/2019 7:00 AM 0.20 0.0 0.00 0.0 0.00
9/11/2019 7:00 AM 0.21 0.0 0.00 0.0 0.00
9/12/2019 7:00 AM 0.28 0.0 0.00 0.0 0.00
9/13/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/14/2019 7:00 AM T 0.0 0.00 0.0 0.00
9/15/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/16/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/17/2019 7:00 AM 0.14 0.0 0.00 0.0 0.00
9/18/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/19/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/20/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/21/2019 7:00 AM 1.35 0.0 0.00 0.0 0.00 Second wettest day (and most rain-only) in six years of observation.
9/22/2019 7:00 AM 0.36 0.0 0.00 0.0 0.00
9/23/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/24/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/25/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/26/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/27/2019 7:00 AM 0.09 0.0 0.00 0.0 0.00
9/28/2019 7:00 AM 0.02 0.0 0.00 0.0 0.00
9/29/2019 7:00 AM 0.26 1.5 0.20 1.5 0.20 Still snowing lightly.
9/30/2019 7:00 AM 0.06 T T 0.5 0.20 NOTE: I estimate 1.0" of new snow, but did not get to measure it at the peak. before late afternoon melt.



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
5/26/2019 2:55 PM 1/4" Pea Size Rice NA Soft 4 1min no damage Continuous True Same time as rain Same time as smaller hail