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 15 1.72 1.61 31 1.61 31 0.00 0 0 12 3 0.0 0 0
Nov 15 1.18 1.65 30 1.65 30 0.00 0 0 14 2 15.0 12 25
Dec 15 0.87 1.86 31 1.86 31 0.00 0 0 16 1 23.9 15 27
Jan 16 0.84 0.83 31 0.83 31 0.00 0 0 9 3 10.0 8 31
Feb 16 0.79 0.35 29 0.35 29 0.00 0 0 4 5 4.0 3 26
March 16 1.37 2.12 31 2.12 31 0.00 0 0 15 4 15.6 10 13
April 16 2.29 2.03 30 2.03 30 0.00 0 0 11 4 0.4 1 2
May 16 3.15 2.53 31 2.33 27 0.20 4 1 9 7 7.2 2 2
June 16 3.15 0.81 30 0.81 30 0.00 0 0 6 7 0.0 0 0
July 16 1.50 1.65 31 1.65 31 0.00 0 0 9 5 0.0 0 0
Aug 16 1.41 0.84 31 0.84 31 0.00 0 0 3 4 0.0 0 0
Sept 16 1.46 1.96 30 1.96 30 0.00 0 0 13 5 0.0 0 0
Water Year Totals: 19.73" 18.24" 366 days 18.04" 362 0.20" 4 days 1 121 days 50 days 76.1" 51 days 126 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
10/1/2015 0.00
10/2/2015 T
10/3/2015 0.03
10/4/2015 0.06
10/5/2015 0.00
10/6/2015 0.00
10/7/2015 0.00
10/8/2015 0.08
10/9/2015 0.01
10/10/2015 0.00
10/11/2015 T
10/12/2015 0.04
10/13/2015 0.00
10/14/2015 0.00
10/15/2015 0.00
10/16/2015 0.00
10/17/2015 0.00
10/18/2015 0.00
10/19/2015 0.02
10/20/2015 0.81
10/21/2015 0.04
10/22/2015 0.00
10/23/2015 0.00
10/24/2015 0.00
10/25/2015 0.00
10/26/2015 0.01
10/27/2015 0.43
10/28/2015 0.01
10/29/2015 0.00
10/30/2015 0.07
10/31/2015 T
11/1/2015 0.13
11/2/2015 0.05
11/3/2015 0.43
11/4/2015 0.29
11/5/2015 0.03
11/6/2015 0.03
11/7/2015 0.00
11/8/2015 0.00
11/9/2015 0.00
11/10/2015 0.02
11/11/2015 0.19
11/12/2015 T
11/13/2015 0.00
11/14/2015 0.00
11/15/2015 0.00
11/16/2015 0.01
11/17/2015 0.18
11/18/2015 0.05
11/19/2015 0.00
11/20/2015 0.09
11/21/2015 T
11/22/2015 0.00
11/23/2015 0.00
11/24/2015 0.00
11/25/2015 0.13
11/26/2015 0.02
11/27/2015 0.00
11/28/2015 0.00
11/29/2015 0.00
11/30/2015 0.00
12/1/2015 0.00
12/2/2015 0.00
12/3/2015 T
12/4/2015 0.00
12/5/2015 0.16
12/6/2015 0.00
12/7/2015 0.00
12/8/2015 0.00
12/9/2015 0.00
12/10/2015 0.03
12/11/2015 0.05
12/12/2015 0.00
12/13/2015 0.00
12/14/2015 0.25
12/15/2015 0.37
12/16/2015 0.01
12/17/2015 0.33
12/18/2015 0.00
12/19/2015 0.00
12/20/2015 0.30
12/21/2015 0.00
12/22/2015 0.11
12/23/2015 0.05
12/24/2015 0.01
12/25/2015 0.05
12/26/2015 0.05
12/27/2015 0.00
12/28/2015 0.00
12/29/2015 0.02
12/30/2015 0.06
12/31/2015 0.01
Day of YearDaily PrcpMultiday Prcp
1/1/2016 0.00
1/2/2016 0.00
1/3/2016 0.00
1/4/2016 0.00
1/5/2016 0.00
1/6/2016 0.00
1/7/2016 0.01
1/8/2016 0.09
1/9/2016 T
1/10/2016 0.00
1/11/2016 0.00
1/12/2016 0.00
1/13/2016 0.00
1/14/2016 0.00
1/15/2016 0.00
1/16/2016 0.00
1/17/2016 0.20
1/18/2016 T
1/19/2016 0.14
1/20/2016 0.13
1/21/2016 0.02
1/22/2016 0.00
1/23/2016 0.00
1/24/2016 0.03
1/25/2016 0.03
1/26/2016 0.00
1/27/2016 0.00
1/28/2016 0.00
1/29/2016 T
1/30/2016 0.18
1/31/2016 0.00
2/1/2016 0.00
2/2/2016 0.00
2/3/2016 0.01
2/4/2016 0.00
2/5/2016 T
2/6/2016 0.00
2/7/2016 0.00
2/8/2016 0.00
2/9/2016 0.00
2/10/2016 0.00
2/11/2016 0.00
2/12/2016 T
2/13/2016 0.00
2/14/2016 0.21
2/15/2016 T
2/16/2016 0.00
2/17/2016 0.00
2/18/2016 0.00
2/19/2016 0.02
2/20/2016 0.00
2/21/2016 T
2/22/2016 0.00
2/23/2016 0.00
2/24/2016 0.00
2/25/2016 0.00
2/26/2016 0.00
2/27/2016 0.00
2/28/2016 T
2/29/2016 0.11
3/1/2016 0.00
3/2/2016 0.03
3/3/2016 T
3/4/2016 T
3/5/2016 0.00
3/6/2016 0.00
3/7/2016 0.10
3/8/2016 0.00
3/9/2016 0.10
3/10/2016 0.00
3/11/2016 0.00
3/12/2016 0.00
3/13/2016 T
3/14/2016 0.13
3/15/2016 0.06
3/16/2016 0.01
3/17/2016 0.12
3/18/2016 0.13
3/19/2016 0.00
3/20/2016 0.00
3/21/2016 0.00
3/22/2016 0.00
3/23/2016 0.58
3/24/2016 T
3/25/2016 0.22
3/26/2016 0.03
3/27/2016 0.00
3/28/2016 0.34
3/29/2016 0.03
3/30/2016 0.19
3/31/2016 0.05
Day of YearDaily PrcpMultiday Prcp
4/1/2016 0.05
4/2/2016 0.00
4/3/2016 0.00
4/4/2016 T
4/5/2016 0.23
4/6/2016 0.01
4/7/2016 0.00
4/8/2016 0.00
4/9/2016 0.00
4/10/2016 0.00
4/11/2016 0.00
4/12/2016 0.00
4/13/2016 0.00
4/14/2016 0.35
4/15/2016 0.31
4/16/2016 0.13
4/17/2016 0.00
4/18/2016 0.00
4/19/2016 0.00
4/20/2016 0.00
4/21/2016 0.00
4/22/2016 0.00
4/23/2016 T
4/24/2016 0.55
4/25/2016 0.14
4/26/2016 0.19
4/27/2016 0.04
4/28/2016 0.03
4/29/2016 T
4/30/2016 T
5/1/2016 T
5/2/2016 0.00
5/3/2016 0.00
5/4/2016 0.00
5/5/2016 0.00
5/6/2016 0.00
5/7/2016 0.00
5/8/2016 0.00
5/9/2016 0.00
5/10/2016 1.05
5/11/2016 0.36
5/12/2016 0.00
5/13/2016 T
5/14/2016 0.00
5/15/2016 0.01
5/16/2016 0.22
5/17/2016 T
5/18/2016 0.00
5/19/2016 T
5/20/2016 0.17
5/21/2016 0.17
5/22/2016 0.15
5/23/2016 T
5/24/2016 0.18
5/25/2016 T
5/26/2016 **
5/27/2016 **
5/28/2016 **
5/29/2016 0.20
5/30/2016 0.02
5/31/2016 T
6/1/2016 0.00
6/2/2016 T
6/3/2016 T
6/4/2016 0.00
6/5/2016 0.00
6/6/2016 0.00
6/7/2016 0.00
6/8/2016 T
6/9/2016 T
6/10/2016 T
6/11/2016 0.00
6/12/2016 0.02
6/13/2016 0.00
6/14/2016 0.04
6/15/2016 0.08
6/16/2016 0.55
6/17/2016 0.00
6/18/2016 0.00
6/19/2016 T
6/20/2016 0.00
6/21/2016 0.00
6/22/2016 0.00
6/23/2016 0.00
6/24/2016 0.00
6/25/2016 0.01
6/26/2016 0.00
6/27/2016 0.00
6/28/2016 0.00
6/29/2016 T
6/30/2016 0.11
Day of YearDaily PrcpMultiday Prcp
7/1/2016 T
7/2/2016 0.01
7/3/2016 T
7/4/2016 0.09
7/5/2016 0.00
7/6/2016 0.00
7/7/2016 0.00
7/8/2016 0.00
7/9/2016 0.12
7/10/2016 0.20
7/11/2016 0.74
7/12/2016 0.08
7/13/2016 0.04
7/14/2016 0.00
7/15/2016 0.00
7/16/2016 0.28
7/17/2016 0.00
7/18/2016 0.00
7/19/2016 0.00
7/20/2016 0.00
7/21/2016 T
7/22/2016 0.00
7/23/2016 0.00
7/24/2016 0.00
7/25/2016 0.00
7/26/2016 T
7/27/2016 T
7/28/2016 0.09
7/29/2016 0.00
7/30/2016 0.00
7/31/2016 0.00
8/1/2016 0.00
8/2/2016 0.00
8/3/2016 0.00
8/4/2016 0.00
8/5/2016 0.00
8/6/2016 T
8/7/2016 0.09
8/8/2016 0.10
8/9/2016 0.00
8/10/2016 0.00
8/11/2016 0.00
8/12/2016 0.00
8/13/2016 0.00
8/14/2016 0.00
8/15/2016 0.00
8/16/2016 0.00
8/17/2016 T
8/18/2016 T
8/19/2016 0.65
8/20/2016 T
8/21/2016 0.00
8/22/2016 0.00
8/23/2016 0.00
8/24/2016 0.00
8/25/2016 0.00
8/26/2016 0.00
8/27/2016 0.00
8/28/2016 0.00
8/29/2016 0.00
8/30/2016 0.00
8/31/2016 0.00
9/1/2016 T
9/2/2016 0.02
9/3/2016 0.00
9/4/2016 0.06
9/5/2016 0.72
9/6/2016 0.05
9/7/2016 0.02
9/8/2016 T
9/9/2016 T
9/10/2016 0.00
9/11/2016 0.00
9/12/2016 0.17
9/13/2016 0.01
9/14/2016 0.00
9/15/2016 0.10
9/16/2016 0.00
9/17/2016 0.00
9/18/2016 0.00
9/19/2016 T
9/20/2016 0.02
9/21/2016 0.02
9/22/2016 0.58
9/23/2016 0.17
9/24/2016 0.02
9/25/2016 0.00
9/26/2016 0.00
9/27/2016 0.00
9/28/2016 0.00
9/29/2016 0.00
9/30/2016 T



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2015 7:00 AM 0.00 0.0 M M M
10/2/2015 7:00 AM T M M M M Very light shower at 0940; light shower at 1300.
10/3/2015 7:00 AM 0.03 M M M M Numerous very light showers, most recent started at 0515.
10/4/2015 7:00 AM 0.06 M M M M
10/5/2015 7:00 AM 0.00 0.0 M M M
10/6/2015 7:00 AM 0.00 0.0 M M M
10/7/2015 7:00 AM 0.00 0.0 M M M
10/8/2015 7:00 AM 0.08 M M M M
10/9/2015 7:00 AM 0.01 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
10/10/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
10/11/2015 7:00 AM T M M M M
10/12/2015 7:00 AM 0.04 M M M M
10/13/2015 7:00 AM 0.00 0.0 M M M
10/14/2015 7:00 AM 0.00 0.0 M M M
10/15/2015 7:00 AM 0.00 0.0 M M M
10/16/2015 7:00 AM 0.00 0.0 M M M
10/17/2015 7:00 AM 0.00 0.0 M M M
10/18/2015 7:00 AM 0.00 0.0 M M M
10/19/2015 7:00 AM 0.02 M M M M
10/20/2015 7:00 AM 0.81 M M M M Sporadic light-moderate rain throughout the night.
10/21/2015 7:00 AM 0.04 M M M M Very light sporadic showers continued until around noon.
10/22/2015 7:00 AM 0.00 0.0 M M M
10/23/2015 7:00 AM 0.00 0.0 M M M
10/24/2015 7:00 AM 0.00 0.0 M M M
10/25/2015 7:00 AM 0.00 0.0 M M M
10/26/2015 7:00 AM 0.01 M M M M
10/27/2015 7:00 AM 0.43 M M M M
10/28/2015 7:00 AM 0.01 M M M M
10/29/2015 7:00 AM 0.00 0.0 M M M
10/30/2015 7:00 AM 0.07 M M M M
10/31/2015 7:00 AM T M M M M
11/1/2015 7:00 AM 0.13 M M M M Steady light rain continues
11/2/2015 7:00 AM 0.05 M M M M 0.01" before 0800 yesterday and 0.04" between approximately 0100 and 0600 today.
11/3/2015 7:00 AM 0.43 1.4 0.20 M M First snow observed at valley floor this winter. Lit boiler yesterday - latest in memory! No killing frost yet.
11/4/2015 7:00 AM 0.29 1.7 0.16 5.2 0.32 Light snow continues, with only a brief clearing yesterday afternoon. I note that the individual measurements don't add up to the whole, but with melting from below and some rain mixed with the snow - it is what it is.
11/5/2015 7:00 AM 0.03 T M 3.0 0.26 Very light snow for much of the day, but no accumulation. Temperatures near freezing meant ice, not snow or water, in the gauge.
11/6/2015 7:00 AM 0.03 0.4 0.03 2.1 0.24
11/7/2015 7:00 AM 0.00 0.0 0.00 1.2 0.10 SWE corrected for ~80% snow cover.
11/8/2015 7:00 AM 0.00 0.0 0.00 1.0 0.06 SWE corrected for ~50% snow cover.
11/9/2015 7:00 AM 0.00 0.0 0.00 0.5 0.20 SWE corrected for ~20% snow cover
11/10/2015 7:00 AM 0.02 0.5 0.02 0.5 0.02
11/11/2015 7:00 AM 0.19 2.6 0.18 3.0 0.16 Snowflakes stopped at about 1630 but there was little if any measurable fall after 1230.
11/12/2015 7:00 AM T T T 2.5 0.17
11/13/2015 7:00 AM 0.00 0.0 0.00 2.0 0.15
11/14/2015 7:00 AM 0.00 0.0 0.00 0.0 0.00 Rapid melt in foehn conditions. Small patches of snow persist where drifts had formed, but little to none in open areas.
11/15/2015 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/16/2015 7:00 AM 0.01 0.2 0.01 0.2 0.01
11/17/2015 7:00 AM 0.18 3.0 0.26 3.8 0.32 Moderate snow and moderate winds = no agreement among canister, board, and ground!
11/18/2015 7:00 AM 0.05 0.2 0.10 2.0 0.27 Nasty frontal passage with gusts close to 50 kph. Brief intense rain switching to snow. Board crusted with snow frozen onto/into raindrops.
11/19/2015 7:00 AM 0.00 0.0 0.00 1.5 0.19
11/20/2015 7:00 AM 0.09 1.3 0.10 3.0 0.32
11/21/2015 7:00 AM T 0.1 T 3.0 0.32 One brief mid-morning flurry.
11/22/2015 7:00 AM 0.00 0.0 0.00 3.0 0.32
11/23/2015 7:00 AM 0.00 0.0 0.00 2.5 0.25
11/24/2015 7:00 AM 0.00 0.0 0.00 2.0 0.24 SWE corrected for about 80% snow cover.
11/25/2015 7:00 AM 0.13 3.3 0.15 5.5 0.35 Steady light snow continues. Some drifting was noted.
11/26/2015 7:00 AM 0.02 0.3 0.02 5.0 0.30 Snow continued until 1700, but with little accumulation after 0900.
11/27/2015 7:00 AM 0.00 0.0 0.00 4.5 0.32
11/28/2015 7:00 AM 0.00 0.0 0.00 4.0 0.51 Note: SWE sample was taken adjacent to early cores - all were floored by old firn/ice, so the variance does not represent local complete melt prior to latest snowfall. Is what is!
11/29/2015 7:00 AM 0.00 0.0 0.00 4.0 0.41
11/30/2015 7:00 AM 0.00 0.0 0.00 4.0 0.41
12/1/2015 7:00 AM 0.00 0.0 0.00 4.0 0.41
12/2/2015 7:00 AM 0.00 0.0 0.00 4.0 0.40
12/3/2015 7:00 AM T 0.0 0.00 4.0 0.40 A few lost, lonely snowflakes around 1515.
12/4/2015 7:00 AM 0.00 0.0 0.00 4.0 0.40
12/5/2015 7:00 AM 0.16 2.2 0.16 5.6 0.67
12/6/2015 7:00 AM 0.00 0.0 0.00 4.0 0.65
12/7/2015 7:00 AM 0.00 0.0 0.00 3.7 0.65
12/8/2015 7:00 AM 0.00 0.0 0.00 2.5 0.56 Chinook conditions - good-bye snow!
12/9/2015 7:00 AM 0.00 0.0 0.00 0.0 0.00 Chinook winds ate all the snowpack except drifts in lee of bushes ("trace"?}
12/10/2015 7:00 AM 0.03 T T T T Start time is exact; end is approximate. Event began as heavy squall of graupel, then switched to rain. Board has scattered frozen clusters; ground is ~50% cover of ice/snow crust.
12/11/2015 7:00 AM 0.05 0.5 0.06 0.5 0.06
12/12/2015 7:00 AM 0.00 0.0 0.00 T T
12/13/2015 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/14/2015 7:00 AM 0.25 2.6 0.25 3.2 0.25 Light-moderate snow continues
12/15/2015 7:00 AM 0.37 4.6 0.42 7.4 0.68
12/16/2015 7:00 AM 0.01 0.1 0.01 6.4 0.68
12/17/2015 7:00 AM 0.33 5.0 0.34 10.0 0.98 First flakes around 1100, but snow began in earnest around noon. Snow tailed off by 8 PM, but flurries may have occurred overnight.
12/18/2015 7:00 AM 0.00 0.0 0.00 8.8 0.98
12/19/2015 7:00 AM 0.00 0.0 0.00 7.7 0.98
12/20/2015 7:00 AM 0.30 3.7 0.32 10.5 1.35 Precip end unknown, but not snowing (moderate fog) after 4 AM.
12/21/2015 7:00 AM 0.00 0.0 0.00 9.7 1.35
12/22/2015 7:00 AM 0.11 0.7 0.13 10.1 1.48
12/23/2015 7:00 AM 0.05 0.7 0.06 10.4 1.62
12/24/2015 7:00 AM 0.01 0.1 0.01 10.0 1.63
12/25/2015 7:00 AM 0.05 0.7 0.06 10.2 1.64
12/26/2015 7:00 AM 0.05 1.0 0.05 10.8 1.70
12/27/2015 7:00 AM 0.00 0.0 0.00 10.1 1.70
12/28/2015 7:00 AM 0.00 0.0 0.00 10.0 1.70
12/29/2015 7:00 AM 0.02 0.5 0.02 10.2 1.62
12/30/2015 6:00 AM 0.06 1.2 0.06 11.4 1.68
12/31/2015 7:00 AM 0.01 0.3 0.01 11.0 1.64
1/1/2016 7:00 AM 0.00 0.0 0.00 10.7 1.64
1/2/2016 7:00 AM 0.00 0.0 0.00 10.4 1.64
1/3/2016 7:00 AM 0.00 0.0 0.00 10.3 1.64
1/4/2016 7:00 AM 0.00 0.0 0.00 9.9 1.64
1/5/2016 7:00 AM 0.00 0.0 0.00 9.8 1.64
1/6/2016 7:00 AM 0.00 0.0 0.00 9.8 1.88
1/7/2016 7:00 AM 0.01 0.2 0.01 10.0 1.89
1/8/2016 7:00 AM 0.09 1.0 0.09 11.0 1.83
1/9/2016 7:00 AM T T T 10.8 1.83
1/10/2016 7:00 AM 0.00 0.0 0.00 10.7 1.83
1/11/2016 7:00 AM 0.00 0.0 0.00 10.6 1.83
1/12/2016 7:00 AM 0.00 0.0 0.00 10.6 1.83
1/13/2016 7:00 AM 0.00 0.0 0.00 10.4 1.83
1/14/2016 7:00 AM 0.00 0.0 0.00 9.5 1.79
1/15/2016 7:00 AM 0.00 0.0 0.00 9.5 1.79
1/16/2016 7:00 AM 0.00 0.0 0.00 9.5 1.79
1/17/2016 7:00 AM 0.20 4.1 0.19 13.8 1.97
1/18/2016 7:00 AM T T T 12.6 1.97 A gentle rain/snow mix began at about 0640, with crystals on the snow board and dampness on clear ground.
1/19/2016 7:00 AM 0.14 0.6 0.14 13.0 2.04 The fresh snow in early afternoon was estimated at ~2 inches, but above-freezing temperatures consolidated the pack.
1/20/2016 7:00 AM 0.13 1.2 0.13 13.6 2.23
1/21/2016 7:00 AM 0.02 T T 13.7 2.25 About 0.5" of snow fell after 0700, but it all melted. The can held ice; the board was nubbly with refrozen water (unmeasureable).
1/22/2016 7:00 AM 0.00 0.0 0.00 13.0 2.25
1/23/2016 7:00 AM 0.00 0.0 0.00 12.5 2.25
1/24/2016 7:00 AM 0.03 0.3 0.03 12.5 2.19
1/25/2016 7:00 AM 0.03 0.7 0.04 13.6 2.40
1/26/2016 7:00 AM 0.00 0.0 0.00 13.0 2.40
1/27/2016 7:00 AM 0.00 0.0 0.00 13.0 2.40
1/28/2016 7:00 AM 0.00 0.0 0.00 12.6 2.40
1/29/2016 7:00 AM T 0.0 0.00 11.5 2.40
1/30/2016 7:00 AM 0.18 1.9 0.21 13.5 M
1/31/2016 7:00 AM 0.00 0.0 0.00 13.0 M
2/1/2016 7:00 AM 0.00 0.0 0.00 12.8 2.47 My yard looks like a WWI battlefield, with trenches, foxholes, and bomb craters where the wildlife have frolicked. Snow depth and SWE are best estimates.
2/2/2016 7:00 AM 0.00 0.0 0.00 12.7 M
2/3/2016 7:00 AM 0.01 0.1 0.01 12.8 M
2/4/2016 7:00 AM 0.00 0.0 0.00 12.7 M
2/5/2016 7:00 AM T T T 12.7 M
2/6/2016 7:00 AM 0.00 0.0 0.00 12.6 M
2/7/2016 7:00 AM 0.00 0.0 0.00 12.3 M
2/8/2016 7:00 AM 0.00 0.0 0.00 12.0 2.40
2/9/2016 7:00 AM 0.00 0.0 0.00 11.0 M
2/10/2016 7:00 AM 0.00 0.0 0.00 10.2 M
2/11/2016 7:00 AM 0.00 0.0 0.00 9.8 2.32
2/12/2016 7:00 AM T 0.0 0.00 9.3 M
2/13/2016 7:00 AM 0.00 0.0 0.00 8.4 2.25
2/14/2016 7:00 AM 0.21 2.9 0.24 9.5 2.57 2.9" of snow at 1030 compacted to 1.9" at 0700. Steady breeze during event and air temperatures above freezing makes board measurement likely more accurate than can measurement for SWE.
2/15/2016 7:00 AM T 0.0 0.00 8.2 2.23 Yesterday the snowpack was layered with ice; today - isothermal. Given the forecast - gone in less than a week.
2/16/2016 7:00 AM 0.00 0.0 0.00 6.9 M
2/17/2016 7:00 AM 0.00 0.0 0.00 5.2 1.58
2/18/2016 7:00 AM 0.00 0.0 0.00 4.5 1.44 SWE corrected for ~90% snowcover.
2/19/2016 7:00 AM 0.02 T T 3.7 M Two squalls: rain from 1230-1305, rain/graupel/snow from 1630-1700. Snowpack corrected for ~80% snow cover.
2/20/2016 7:00 AM 0.00 0.0 0.00 2.8 0.80 SWE corrected for ~70% snow cover.
2/21/2016 7:00 AM T T T 2.0 M Squalls at 0745 (graupel) and 1200 (rain) were brief. Snowpack corrected for ~60% snow cover.
2/22/2016 7:00 AM 0.00 0.0 0.00 1.6 0.40 Snowpack and SWE corrected for ~50% snow cover.
2/23/2016 7:00 AM 0.00 0.0 0.00 1.4 M Snowpack corrected for ~40% snow cover.
2/24/2016 7:00 AM 0.00 0.0 0.00 1.2 M Snow depth corrected for ~30% snow cover.
2/25/2016 7:00 AM 0.00 0.0 0.00 0.8 0.15 Snow cover ~20%. Snowpack and SWE are estimates.
2/26/2016 7:00 AM 0.00 0.0 0.00 T T Remaining snow in drift remnants only.
2/27/2016 7:00 AM 0.00 0.0 0.00 T T Only drift remnants remain in my yard (with its slight WSW tilt), but the adjacent golf course has ~80% cover.
2/28/2016 7:00 AM T 0.0 0.00 0.0 0.00 Precipitation start is accurate; end is approximate. You REALLY need drop-down boxes (I suggest "within 1/2/5/10/30 minutes of") for each, not just one with unclear terms for both. Adjacent golf course now sports about 50% snow cover.
2/29/2016 7:00 AM 0.11 1.0 0.13 1.0 0.13
3/1/2016 7:00 AM 0.00 0.0 0.00 T T
3/2/2016 7:00 AM 0.03 0.5 0.02 0.5 0.02 PPT start is exact; end is reasonably accurate. I repeat my contention of two days ago - you REALLY need a drop-down box for each - start and finish - preferably with numbers {"within 1/2/5/10/20/60 minutes of..."}.
3/3/2016 7:00 AM T T T 0.0 0.00 Brief spate of graupel that melted on contact.
3/4/2016 7:00 AM T 0.0 0.00 0.0 0.00
3/5/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
3/6/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
3/7/2016 7:00 AM 0.10 T T T T Rain showers with a brief graupel flurry at the end.
3/8/2016 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/9/2016 7:00 AM 0.10 1.7 0.09 1.2 0.08 Snow depth was 1.7" at 1530. but 1.2" at 0700.
3/10/2016 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/11/2016 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/12/2016 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/13/2016 7:00 AM T 0.0 0.00 0.0 0.00
3/14/2016 7:00 AM 0.13 1.2 0.06 1.2 0.06 Rain changed to snow around 0600. Snow continues.
3/15/2016 7:00 AM 0.06 0.4 0.03 0.4 0.03 Ended at about 0730, but rain/snow squalls passed through around 1330, 1530, and 1700.
3/16/2016 7:00 AM 0.01 T T T T
3/17/2016 7:00 AM 0.12 1.9 0.12 1.9 0.12
3/18/2016 7:00 AM 0.13 1.5 0.14 2.0 0.15
3/19/2016 7:00 AM 0.00 0.0 0.00 0.3 0.02 Snow depth and SWE corrected for ~50% snow cover.
3/20/2016 7:00 AM 0.00 0.0 0.00 0.0 0.00 Some small snowdrift remnants remain.
3/21/2016 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/22/2016 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/23/2016 7:00 AM 0.58 4.0 0.49 4.0 0.49
3/24/2016 7:00 AM T T 0.00 1.0 0.40 Only nubbly ice on the snow board from two brief flurries around 1730-1900.
3/25/2016 7:00 AM 0.22 1.7 0.18 2.5 0.16 I may have hit a non-representative spot for my snowpack sample. Most of the snow (1.5") fell in the evening with a light fall in the early morning.
3/26/2016 7:00 AM 0.03 0.0 0.00 0.2 0.10 Snowpack and SWE corrected for ~50% snow cover. About 1/4" of snow accumulated in the early afternoon squall, but melted before I could measure it.
3/27/2016 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/28/2016 7:00 AM 0.34 2.5 0.27 2.5 0.27
3/29/2016 7:00 AM 0.03 0.2 0.02 0.2 0.02
3/30/2016 7:00 AM 0.19 T T T T Snowed lightly all day with air temps above freezing. No accumulation - net snowpack loss. About 0.1" of slushy ice on the board - "snow"?
3/31/2016 7:00 AM 0.05 0.0 0.00 0.0 0.00 According to my tipping bucket, most of the accumulation occurred around midnight.
4/1/2016 7:00 AM 0.05 0.0 0.00 0.0 0.00 Light snow w/no accumulation all morning and several very light flurries in the afternoon. Temperature never dropped below freezing.
4/2/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
4/3/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
4/4/2016 7:00 AM T 0.0 0.00 0.0 0.00 Fair-weather cumulus with virga, of which a few drops made it to my face.
4/5/2016 7:00 AM 0.23 0.0 0.00 0.2 0.03 First squall from 1600 to 1630. Next started at 1925 and ended around midnight{?} Discontinuous ground (and board) cover of ice - freezing rain?
4/6/2016 7:00 AM 0.01 M M M M No accumulation from continuous very light snow.
4/7/2016 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/8/2016 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/9/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
4/10/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
4/11/2016 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/12/2016 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/13/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
4/14/2016 7:00 AM 0.35 0.0 0.00 0.0 0.00 Rain began at 0815, turning to a mix at 0945 and snow at about 1030. Snow accumulated to a measured 0.5" at noon, but melted entirely by 1400.
4/15/2016 7:00 AM 0.31 0.4 0.07 0.4 0.07 Rain ended ~1125, then evening snow, then snow restarted ~0645. Board and grass are covered by frozen slush.
4/16/2016 7:00 AM 0.13 T T M M intermittent rain and snow continued until 1615. Snow accumulation was minimal and temporary.
4/17/2016 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/18/2016 7:00 AM 0.00 0.0 M M M
4/19/2016 7:00 AM 0.00 0.0 M M M
4/20/2016 7:00 AM 0.00 0.0 M M M
4/21/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
4/22/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
4/23/2016 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
4/24/2016 7:00 AM 0.55 0.0 0.00 0.0 0.00
4/25/2016 7:00 AM 0.14 0.0 0.00 0.0 0.00
4/26/2016 7:00 AM 0.19 0.0 0.00 0.0 0.00
4/27/2016 7:00 AM 0.04 0.0 0.00 0.0 0.00
4/28/2016 7:00 AM 0.03 T T T T
4/29/2016 7:00 AM T 0.0 0.00 0.0 0.00
4/30/2016 7:00 AM T 0.0 0.00 0.0 M
5/1/2016 7:00 AM T 0.0 0.00 0.0 0.00
5/2/2016 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/3/2016 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/4/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
5/5/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
5/6/2016 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/7/2016 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/8/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
5/9/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
5/10/2016 7:00 AM 1.05 5.0 0.59 5.0 0.59 0930 - rain. 1230 - rain/snow. 1530 - snow. At 1900, 0.30" rain in the gauge and 1.5" snow on the ground (another 0.28" SWE).
5/11/2016 7:00 AM 0.36 2.2 0.45 6.1 0.90
5/12/2016 7:00 AM 0.00 0.0 0.00 T T About 25% snow cover remains, with up to 1.5" locally.
5/13/2016 7:00 AM T 0.0 0.00 0.0 0.00
5/14/2016 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/15/2016 7:00 AM 0.01 0.0 0.00 0.0 0.00
5/16/2016 7:00 AM 0.22 0.0 0.00 0.0 0.00
5/17/2016 7:00 AM T 0.0 0.00 0.0 0.00
5/18/2016 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/19/2016 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
5/20/2016 7:00 AM 0.17 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
5/21/2016 7:00 AM 0.17 0.0 0.00 0.0 0.00
5/22/2016 7:00 AM 0.15 0.0 0.00 0.0 0.00
5/23/2016 7:00 AM T 0.0 0.00 0.0 0.00
5/24/2016 7:00 AM 0.18 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
5/25/2016 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
5/30/2016 7:00 AM 0.02 0.0 0.00 0.0 0.00
5/31/2016 7:00 AM T 0.0 0.00 0.0 0.00
6/1/2016 7:00 AM 0.00 0.0 M M M
6/2/2016 7:00 AM T M M M M
6/3/2016 7:00 AM T M M M M
6/4/2016 7:00 AM 0.00 0.0 M M M
6/5/2016 7:00 AM 0.00 0.0 M M M
6/6/2016 7:00 AM 0.00 0.0 M M M
6/7/2016 7:00 AM 0.00 0.0 M M M
6/8/2016 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
6/9/2016 7:00 AM T M M M M
6/10/2016 7:00 AM T M M M M
6/11/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
6/12/2016 7:00 AM 0.02 M M M M
6/13/2016 7:00 AM 0.00 0.0 M M M
6/14/2016 7:00 AM 0.04 M M M M
6/15/2016 7:00 AM 0.08 M M M M
6/16/2016 7:00 AM 0.55 M M M M Yesterday's rain ended around 0900. A brief evening shower (2115-2130) brought rain since 0700 to about 0.1". Early morning brought rain around 0130 and again from 0400 to about 0645. Total is tied for wettest day this year.
6/17/2016 7:00 AM 0.00 0.0 M M M
6/18/2016 7:00 AM 0.00 0.0 M M M
6/19/2016 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
6/20/2016 7:00 AM 0.00 0.0 M M M
6/21/2016 6:56 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
6/22/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
6/23/2016 7:00 AM 0.00 0.0 M M M
6/24/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
6/25/2016 7:00 AM 0.01 M M M M
6/26/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
6/27/2016 7:00 AM 0.00 0.0 M M M
6/28/2016 7:00 AM 0.00 0.0 M M M
6/29/2016 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
6/30/2016 7:00 AM 0.11 M M M M
7/1/2016 7:00 AM T M M M M
7/2/2016 7:00 AM 0.01 M M M M
7/3/2016 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
7/4/2016 7:00 AM 0.09 M M M M
7/5/2016 7:00 AM 0.00 0.0 M M M
7/6/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
7/7/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
7/8/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
7/9/2016 7:00 AM 0.12 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
7/10/2016 7:00 AM 0.20 M M M M
7/11/2016 7:00 AM 0.74 M M M M
7/12/2016 7:00 AM 0.08 M M M M
7/13/2016 7:00 AM 0.04 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
7/14/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
7/15/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
7/16/2016 7:00 AM 0.28 M M M M
7/17/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
7/18/2016 7:00 AM 0.00 0.0 M M M
7/19/2016 7:00 AM 0.00 0.0 M M M
7/20/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
7/21/2016 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
7/22/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
7/23/2016 7:00 AM 0.00 0.0 M M M
7/24/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
7/25/2016 7:00 AM 0.00 0.0 M M M
7/26/2016 7:00 AM T M M M M
7/27/2016 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
7/28/2016 7:00 AM 0.09 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
7/29/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
7/30/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
7/31/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
8/1/2016 7:00 AM 0.00 0.0 M M M
8/2/2016 7:00 AM 0.00 0.0 M M M
8/3/2016 7:00 AM 0.00 0.0 M M M
8/4/2016 7:00 AM 0.00 0.0 M M M
8/5/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
8/6/2016 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
8/7/2016 7:00 AM 0.09 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
8/8/2016 7:00 AM 0.10 M M M M
8/9/2016 7:00 AM 0.00 0.0 M M M
8/10/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
8/11/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
8/12/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
8/13/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
8/14/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
8/15/2016 7:00 AM 0.00 0.0 M M M
8/16/2016 7:00 AM 0.00 0.0 M M M
8/17/2016 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
8/18/2016 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
8/19/2016 7:00 AM 0.65 M M M M Start 2155,end 0600
8/20/2016 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
8/21/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
8/22/2016 7:00 AM 0.00 0.0 M M M
8/23/2016 7:00 AM 0.00 0.0 M M M
8/24/2016 7:00 AM 0.00 0.0 M M M
8/25/2016 7:00 AM 0.00 0.0 M M M
8/26/2016 7:00 AM 0.00 0.0 M M M
8/27/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
8/28/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
8/29/2016 7:00 AM 0.00 0.0 M M M
8/30/2016 7:00 AM 0.00 0.0 M M M
8/31/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
9/1/2016 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
9/2/2016 7:00 AM 0.02 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
9/3/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
9/4/2016 7:00 AM 0.06 M M M M
9/5/2016 7:00 AM 0.72 M M M M
9/6/2016 7:00 AM 0.05 M M M M
9/7/2016 7:00 AM 0.02 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
9/8/2016 7:00 AM T M M M M
9/9/2016 7:00 AM T M M M M
9/10/2016 7:00 AM 0.00 0.0 M M M
9/11/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
9/12/2016 7:00 AM 0.17 M M M M
9/13/2016 7:00 AM 0.01 M M M M
9/14/2016 7:00 AM 0.00 0.0 M M M
9/15/2016 7:00 AM 0.10 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
9/16/2016 7:00 AM 0.00 0.0 M M M
9/17/2016 7:00 AM 0.00 0.0 M M M
9/18/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
9/19/2016 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
9/20/2016 7:00 AM 0.02 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
9/21/2016 7:00 AM 0.02 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
9/22/2016 7:00 AM 0.58 M M M M
9/23/2016 7:00 AM 0.17 M M M M
9/24/2016 7:00 AM 0.02 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
9/25/2016 7:00 AM 0.00 0.0 M M M
9/26/2016 7:00 AM 0.00 0.0 M M M
9/27/2016 7:00 AM 0.00 0.0 M M M
9/28/2016 7:00 AM 0.00 0.0 M M M
9/29/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
9/30/2016 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
5/26/2016 5/29/2016 7:00 AM 4 0.20 0.0 0.00 Calibrated against my tipping-bucket gauge, the likely amounts by day were: 2/26 - T (observed at 0230 on departure) 2/27 - 0 2/28 - 0.15" (0.12" measured) 2/29 - 0.05" (0.04" measured)



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