Station Overview Station Location
Station Number MT-YS-20 Latitude 45.673994
Station Name Laurel 0.5 NW (Closed) Longitude -108.779445
County Yellowstone Elevation (ft) 3292



Month 30 Yr Avg by PRISM Total Prcp Sum Days Covered By All Observations Daily Prcp Sum Daily Observation Count Multiday Prcp Sum Days Covered by Multiday Observations Multiday Observation Count Days With Prcp Days With Trace Total Snowfall Days With Snowfall Days With Snow On Ground
Oct 11 1.27 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 11 0.53 0.00 9 0.00 9 0.00 0 0 0 0 0.0 0 0
Dec 11 0.53 0.10 20 0.10 20 0.00 0 0 3 3 1.5 2 2
Jan 12 0.47 0.26 30 0.26 30 0.00 0 0 4 0 5.8 4 4
Feb 12 0.47 0.00 23 0.00 23 0.00 0 0 0 0 0.0 0 0
March 12 0.93 0.00 29 0.00 29 0.00 0 0 0 0 0.0 0 0
April 12 1.60 0.05 19 0.05 19 0.00 0 0 1 2 0.0 0 0
May 12 2.36 0.00 2 0.00 2 0.00 0 0 0 0 0.0 0 0
June 12 2.19 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 12 1.11 0.00 2 0.00 2 0.00 0 0 0 0 0.0 0 0
Aug 12 0.79 0.00 7 0.00 7 0.00 0 0 0 0 0.0 0 0
Sept 12 1.24 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 13.49" 0.41" 141 days 0.41" 141 0.00" 0 days 0 8 days 5 days 7.3" 6 days 6 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2011
10/2/2011
10/3/2011
10/4/2011
10/5/2011
10/6/2011
10/7/2011
10/8/2011
10/9/2011
10/10/2011
10/11/2011
10/12/2011
10/13/2011
10/14/2011
10/15/2011
10/16/2011
10/17/2011
10/18/2011
10/19/2011
10/20/2011
10/21/2011
10/22/2011
10/23/2011
10/24/2011
10/25/2011
10/26/2011
10/27/2011
10/28/2011
10/29/2011
10/30/2011
10/31/2011
11/1/2011
11/2/2011
11/3/2011
11/4/2011
11/5/2011
11/6/2011
11/7/2011
11/8/2011
11/9/2011
11/10/2011
11/11/2011
11/12/2011
11/13/2011
11/14/2011
11/15/2011
11/16/2011
11/17/2011
11/18/2011
11/19/2011
11/20/2011 0.00
11/21/2011 0.00
11/22/2011 0.00
11/23/2011 0.00
11/24/2011
11/25/2011
11/26/2011 0.00
11/27/2011 0.00
11/28/2011 0.00
11/29/2011 0.00
11/30/2011 0.00
12/1/2011 T
12/2/2011
12/3/2011 0.00
12/4/2011 T
12/5/2011 T
12/6/2011 0.00
12/7/2011 0.00
12/8/2011
12/9/2011 0.00
12/10/2011 0.00
12/11/2011 0.00
12/12/2011 0.00
12/13/2011
12/14/2011 0.05
12/15/2011 0.00
12/16/2011
12/17/2011
12/18/2011
12/19/2011 0.02
12/20/2011 0.00
12/21/2011 0.00
12/22/2011
12/23/2011 0.00
12/24/2011
12/25/2011
12/26/2011 0.00
12/27/2011 0.00
12/28/2011
12/29/2011
12/30/2011 0.00
12/31/2011 0.03
Day of YearDaily PrcpMultiday Prcp
1/1/2012 0.00
1/2/2012 0.00
1/3/2012 0.00
1/4/2012 0.00
1/5/2012 0.00
1/6/2012 0.00
1/7/2012 0.00
1/8/2012 0.00
1/9/2012 0.00
1/10/2012 0.00
1/11/2012 0.00
1/12/2012 0.00
1/13/2012 0.00
1/14/2012 0.00
1/15/2012 0.00
1/16/2012 0.07
1/17/2012 0.03
1/18/2012 0.01
1/19/2012
1/20/2012 0.15
1/21/2012 0.00
1/22/2012 0.00
1/23/2012 0.00
1/24/2012 0.00
1/25/2012 0.00
1/26/2012 0.00
1/27/2012 0.00
1/28/2012 0.00
1/29/2012 0.00
1/30/2012 0.00
1/31/2012 0.00
2/1/2012 0.00
2/2/2012 0.00
2/3/2012 0.00
2/4/2012 0.00
2/5/2012 0.00
2/6/2012 0.00
2/7/2012
2/8/2012
2/9/2012 0.00
2/10/2012 0.00
2/11/2012
2/12/2012 0.00
2/13/2012 0.00
2/14/2012 0.00
2/15/2012 0.00
2/16/2012 0.00
2/17/2012 0.00
2/18/2012 0.00
2/19/2012 0.00
2/20/2012 0.00
2/21/2012 0.00
2/22/2012 0.00
2/23/2012
2/24/2012
2/25/2012
2/26/2012 0.00
2/27/2012 0.00
2/28/2012 0.00
2/29/2012 0.00
3/1/2012 0.00
3/2/2012 0.00
3/3/2012 0.00
3/4/2012 0.00
3/5/2012 0.00
3/6/2012 0.00
3/7/2012 0.00
3/8/2012 0.00
3/9/2012 0.00
3/10/2012 0.00
3/11/2012 0.00
3/12/2012 0.00
3/13/2012 0.00
3/14/2012 0.00
3/15/2012 0.00
3/16/2012 0.00
3/17/2012 0.00
3/18/2012 0.00
3/19/2012 0.00
3/20/2012 0.00
3/21/2012 0.00
3/22/2012 0.00
3/23/2012 0.00
3/24/2012 0.00
3/25/2012 0.00
3/26/2012 0.00
3/27/2012 0.00
3/28/2012 0.00
3/29/2012 0.00
3/30/2012
3/31/2012
Day of YearDaily PrcpMultiday Prcp
4/1/2012 0.00
4/2/2012 0.00
4/3/2012 0.00
4/4/2012 0.00
4/5/2012 0.00
4/6/2012 T
4/7/2012 0.00
4/8/2012 0.00
4/9/2012 0.00
4/10/2012
4/11/2012 0.00
4/12/2012
4/13/2012 T
4/14/2012 0.00
4/15/2012
4/16/2012
4/17/2012 0.00
4/18/2012
4/19/2012
4/20/2012
4/21/2012
4/22/2012 0.00
4/23/2012 0.00
4/24/2012 0.00
4/25/2012 0.00
4/26/2012 0.00
4/27/2012 0.05
4/28/2012
4/29/2012
4/30/2012
5/1/2012
5/2/2012
5/3/2012
5/4/2012
5/5/2012
5/6/2012
5/7/2012
5/8/2012
5/9/2012 0.00
5/10/2012
5/11/2012
5/12/2012
5/13/2012
5/14/2012
5/15/2012
5/16/2012 0.00
5/17/2012
5/18/2012
5/19/2012
5/20/2012
5/21/2012
5/22/2012
5/23/2012
5/24/2012
5/25/2012
5/26/2012
5/27/2012
5/28/2012
5/29/2012
5/30/2012
5/31/2012
6/1/2012
6/2/2012
6/3/2012
6/4/2012
6/5/2012
6/6/2012
6/7/2012
6/8/2012
6/9/2012
6/10/2012
6/11/2012
6/12/2012
6/13/2012
6/14/2012
6/15/2012
6/16/2012
6/17/2012
6/18/2012
6/19/2012
6/20/2012
6/21/2012
6/22/2012
6/23/2012
6/24/2012
6/25/2012
6/26/2012
6/27/2012
6/28/2012
6/29/2012
6/30/2012
Day of YearDaily PrcpMultiday Prcp
7/1/2012
7/2/2012
7/3/2012
7/4/2012
7/5/2012
7/6/2012
7/7/2012
7/8/2012
7/9/2012
7/10/2012
7/11/2012
7/12/2012
7/13/2012
7/14/2012
7/15/2012
7/16/2012
7/17/2012
7/18/2012
7/19/2012
7/20/2012 0.00
7/21/2012
7/22/2012
7/23/2012
7/24/2012 0.00
7/25/2012
7/26/2012
7/27/2012
7/28/2012
7/29/2012
7/30/2012
7/31/2012
8/1/2012
8/2/2012
8/3/2012
8/4/2012
8/5/2012
8/6/2012
8/7/2012
8/8/2012
8/9/2012
8/10/2012
8/11/2012
8/12/2012
8/13/2012
8/14/2012
8/15/2012
8/16/2012
8/17/2012
8/18/2012
8/19/2012
8/20/2012 0.00
8/21/2012 0.00
8/22/2012
8/23/2012 0.00
8/24/2012
8/25/2012
8/26/2012
8/27/2012 0.00
8/28/2012 0.00
8/29/2012 0.00
8/30/2012 0.00
8/31/2012
9/1/2012
9/2/2012
9/3/2012
9/4/2012
9/5/2012
9/6/2012
9/7/2012
9/8/2012
9/9/2012
9/10/2012
9/11/2012
9/12/2012
9/13/2012
9/14/2012
9/15/2012
9/16/2012
9/17/2012
9/18/2012
9/19/2012
9/20/2012
9/21/2012
9/22/2012
9/23/2012
9/24/2012
9/25/2012
9/26/2012
9/27/2012
9/28/2012
9/29/2012
9/30/2012



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
11/20/2011 7:30 AM 0.00 0.0 M M M
11/21/2011 7:00 AM 0.00 0.0 M M M
11/22/2011 7:00 AM 0.00 0.0 M M M
11/23/2011 7:00 AM 0.00 0.0 M M M
11/26/2011 7:33 AM 0.00 0.0 M M M
11/27/2011 8:52 AM 0.00 0.0 M M M
11/28/2011 7:20 AM 0.00 0.0 M M M
11/29/2011 7:00 AM 0.00 0.0 M M M
11/30/2011 7:00 AM 0.00 0.0 M M M
12/1/2011 6:45 AM T T M T M Storm blew through last night around 5:30pm, sustained wind in the mid 20mph area with gusts up to 40mph with just a trace of snow. By 1:30 this morning winds where pretty calm. This morning temp is 23, RH is 74%, barely any snow in gauge.
12/3/2011 6:00 AM 0.00 0.0 M M M temp 14,RH 79%. Saw some snow flakes yesterday, most of it went south.
12/4/2011 8:15 AM T T M T M Snow started at 4am this morning along with some wind, and was done by 4:45am nothing much. Temp is 21 but with wind chill feels like 5.
12/5/2011 6:55 AM T T M M M
12/6/2011 6:30 AM 0.00 0.0 M M M High temp Mon. was 19, but with 20mph winds all day made it feel like 3, had gusts up to 35mph...little chilly. Right now temp is 18, RH is 41% with 9mph wind. High expected to be 38
12/7/2011 7:26 AM 0.00 0.0 M M M
12/9/2011 6:00 AM 0.00 0.0 M M M Sorry didnt get data entered yesterday, but we had about 2" of new snow Wed. night.
12/10/2011 7:00 AM 0.00 0.0 M M M Nice day in store expecting a high of 45, yesterday's high was 34. Right now temp 30 SW winds's at 25, Rh 54%
12/11/2011 7:53 AM 0.00 0.0 M M M
12/12/2011 7:00 AM 0.00 0.0 M M M
12/14/2011 8:00 AM 0.05 1.0 M 1.0 M temp at time of start of snow was 21 and RH 68% at 5:30 when snow stopped temp was 25 and RH was 80%
12/15/2011 7:00 AM 0.00 0.0 M M M
12/19/2011 7:00 AM 0.02 0.5 M 0.5 M
12/20/2011 6:40 AM 0.00 0.0 0.00 0.0 0.00
12/21/2011 7:00 AM 0.00 0.0 M M M
12/23/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/26/2011 8:56 AM 0.00 0.0 M M M
12/27/2011 6:40 AM 0.00 0.0 0.00 0.0 0.00 Temp. yesterday was 45,RH stayed around the mid 20's,wind speed around 20mph for most of the day with gusts up 37mph, today looks to be about the same
12/30/2011 7:08 AM 0.00 0.0 M M M
12/31/2011 5:25 AM 0.03 0.0 0.00 0.0 0.00 wind gust this morning already recorded at 37mph at 3:55am, temp 37, RH 35%
1/1/2012 9:00 AM 0.00 0.0 0.00 0.0 0.00
1/2/2012 7:00 AM 0.00 0.0 M M M
1/3/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/4/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 High temp yesterday of 55, and cant forget the wind..gusts recorded up to 43mph, RH got down to 21%
1/5/2012 6:30 AM 0.00 0.0 0.00 0.0 0.00
1/6/2012 7:00 AM 0.00 0.0 M M M
1/7/2012 7:00 AM 0.00 0.0 M M M
1/8/2012 4:00 AM 0.00 0.0 0.00 0.0 0.00
1/9/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/10/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/11/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/12/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/13/2012 7:00 AM 0.00 0.0 M M M
1/14/2012 7:00 AM 0.00 0.0 M M M
1/15/2012 7:00 AM 0.00 0.0 M M M
1/16/2012 8:00 AM 0.07 1.5 M 1.5 M
1/17/2012 6:30 AM 0.03 0.3 M 2.0 M
1/18/2012 7:00 AM 0.01 1.0 0.00 1.0 0.00
1/20/2012 7:00 AM 0.15 3.0 M 3.0 M
1/21/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00
1/22/2012 7:00 AM 0.00 0.0 M M M
1/23/2012 7:00 AM 0.00 0.0 M M M
1/24/2012 7:30 AM 0.00 0.0 0.00 0.0 0.00
1/25/2012 7:00 AM 0.00 0.0 M M M
1/26/2012 7:00 AM 0.00 0.0 M M M
1/27/2012 7:00 AM 0.00 0.0 M M M
1/28/2012 7:00 AM 0.00 0.0 M M M
1/29/2012 7:00 AM 0.00 0.0 M M M
1/30/2012 7:00 AM 0.00 0.0 M M M
1/31/2012 6:00 AM 0.00 0.0 0.00 0.0 0.00
2/1/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/2/2012 7:00 AM 0.00 0.0 M M M
2/3/2012 7:00 AM 0.00 0.0 M M M
2/4/2012 7:00 AM 0.00 0.0 M M M
2/5/2012 7:00 AM 0.00 0.0 M M M
2/6/2012 7:00 AM 0.00 0.0 M M M
2/9/2012 7:00 AM 0.00 0.0 M M M
2/10/2012 7:00 AM 0.00 0.0 M M M
2/12/2012 7:00 AM 0.00 0.0 M M M
2/13/2012 6:40 AM 0.00 0.0 0.00 0.0 0.00
2/14/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/15/2012 7:00 AM 0.00 0.0 M M M
2/16/2012 7:00 AM 0.00 0.0 M M M
2/17/2012 7:00 AM 0.00 0.0 M M M
2/18/2012 7:00 AM 0.00 0.0 M M M
2/19/2012 7:00 AM 0.00 0.0 M M M
2/20/2012 7:00 AM 0.00 0.0 M M M
2/21/2012 7:00 AM 0.00 0.0 M M M
2/22/2012 7:00 AM 0.00 0.0 M M M
2/26/2012 7:00 AM 0.00 0.0 M M M
2/27/2012 7:00 AM 0.00 0.0 M M M
2/28/2012 7:00 AM 0.00 0.0 M M M
2/29/2012 7:00 AM 0.00 0.0 M M M
3/1/2012 7:00 AM 0.00 0.0 M M M
3/2/2012 7:00 AM 0.00 0.0 M M M
3/3/2012 7:00 AM 0.00 0.0 M M M
3/4/2012 7:00 AM 0.00 0.0 M M M
3/5/2012 7:00 AM 0.00 0.0 M M M
3/6/2012 7:00 AM 0.00 0.0 M M M
3/7/2012 7:00 AM 0.00 0.0 M M M
3/8/2012 7:00 AM 0.00 0.0 M M M
3/9/2012 7:00 AM 0.00 0.0 M M M
3/10/2012 7:00 AM 0.00 0.0 M M M
3/11/2012 7:00 AM 0.00 0.0 M M M
3/12/2012 7:00 AM 0.00 0.0 M M M
3/13/2012 7:00 AM 0.00 0.0 M M M
3/14/2012 7:00 AM 0.00 0.0 M M M
3/15/2012 7:00 AM 0.00 0.0 M M M
3/16/2012 7:00 AM 0.00 0.0 M M M
3/17/2012 7:00 AM 0.00 0.0 M M M
3/18/2012 7:00 AM 0.00 0.0 M M M
3/19/2012 7:00 AM 0.00 0.0 M M M
3/20/2012 7:00 AM 0.00 0.0 M M M
3/21/2012 7:00 AM 0.00 0.0 M M M
3/22/2012 7:00 AM 0.00 0.0 M M M
3/23/2012 7:00 AM 0.00 0.0 M M M
3/24/2012 7:00 AM 0.00 0.0 M M M
3/25/2012 7:00 AM 0.00 0.0 M M M
3/26/2012 7:00 AM 0.00 0.0 M M M
3/27/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/28/2012 7:00 AM 0.00 0.0 M M M
3/29/2012 7:00 AM 0.00 0.0 M M M
4/1/2012 7:00 AM 0.00 0.0 M M M
4/2/2012 7:00 AM 0.00 0.0 M M M
4/3/2012 7:00 AM 0.00 0.0 M M M
4/4/2012 7:00 AM 0.00 0.0 M M M
4/5/2012 7:00 AM 0.00 0.0 M M M
4/6/2012 7:00 AM T T M T M
4/7/2012 7:00 AM 0.00 0.0 M M M
4/8/2012 7:00 AM 0.00 0.0 M M M
4/9/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/11/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/13/2012 7:00 AM T 0.0 0.00 0.0 0.00
4/14/2012 5:45 AM 0.00 0.0 0.00 0.0 0.00
4/17/2012 7:00 AM 0.00 0.0 M M M
4/22/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/23/2012 6:30 AM 0.00 0.0 0.00 0.0 0.00
4/24/2012 6:30 AM 0.00 0.0 0.00 0.0 0.00
4/25/2012 7:00 AM 0.00 0.0 M M M
4/26/2012 7:00 AM 0.00 0.0 M M M
4/27/2012 7:00 AM 0.05 M M M M
5/9/2012 7:00 AM 0.00 0.0 M M M
5/16/2012 7:00 AM 0.00 0.0 M M M
7/20/2012 5:15 AM 0.00 0.0 0.00 0.0 0.00
7/24/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/20/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/21/2012 7:00 AM 0.00 0.0 M M M
8/23/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/27/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/28/2012 6:30 AM 0.00 0.0 0.00 0.0 0.00
8/29/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/30/2012 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