Station Overview Station Location
Station Number MT-YS-25 Latitude 45.696828
Station Name Laurel 2.4 NE Longitude -108.733723
County Yellowstone Elevation (ft) 3348



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 1.27 0.55 11 0.55 11 0.00 0 0 9 1 0.0 0 0
Nov 17 0.56 1.33 12 0.99 7 0.34 5 1 5 1 6.0 4 4
Dec 17 0.55 0.68 12 0.68 12 0.00 0 0 12 0 18.0 9 7
Jan 18 0.47 0.20 3 0.20 3 0.00 0 0 2 0 0.5 1 1
Feb 18 0.47 1.31 10 1.31 10 0.00 0 0 8 1 27.0 8 4
March 18 0.95 0.19 6 0.19 6 0.00 0 0 5 1 5.5 2 0
April 18 1.60 1.09 10 1.09 10 0.00 0 0 8 2 10.6 6 0
May 18 2.32 3.87 11 3.87 11 0.00 0 0 11 0 0.0 0 0
June 18 2.16 2.32 11 2.32 11 0.00 0 0 11 0 0.0 0 0
July 18 1.15 0.44 4 0.44 4 0.00 0 0 3 1 0.0 0 0
Aug 18 0.78 2.04 11 2.04 11 0.00 0 0 9 1 0.0 0 0
Sept 18 1.25 0.35 4 0.35 4 0.00 0 0 4 0 0.0 0 0
Water Year Totals: 13.53" 14.37" 105 days 14.03" 100 0.34" 5 days 1 87 days 8 days 67.6" 30 days 16 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 0.04
10/2/2017
10/3/2017
10/4/2017
10/5/2017 0.09
10/6/2017
10/7/2017
10/8/2017 0.15
10/9/2017 0.01
10/10/2017
10/11/2017
10/12/2017
10/13/2017 0.03
10/14/2017
10/15/2017
10/16/2017
10/17/2017
10/18/2017
10/19/2017
10/20/2017
10/21/2017 0.00
10/22/2017
10/23/2017 T
10/24/2017
10/25/2017
10/26/2017 0.03
10/27/2017
10/28/2017
10/29/2017 0.02
10/30/2017 0.04
10/31/2017 0.14
11/1/2017 0.00
11/2/2017 0.60
11/3/2017 0.15
11/4/2017 0.15
11/5/2017
11/6/2017
11/7/2017 0.02
11/8/2017 **
11/9/2017 **
11/10/2017 **
11/11/2017 **
11/12/2017 0.34
11/13/2017
11/14/2017
11/15/2017
11/16/2017
11/17/2017
11/18/2017
11/19/2017
11/20/2017
11/21/2017 T
11/22/2017
11/23/2017
11/24/2017
11/25/2017
11/26/2017
11/27/2017
11/28/2017 0.07
11/29/2017
11/30/2017
12/1/2017
12/2/2017
12/3/2017
12/4/2017 0.20
12/5/2017 0.02
12/6/2017
12/7/2017
12/8/2017
12/9/2017
12/10/2017
12/11/2017
12/12/2017
12/13/2017
12/14/2017
12/15/2017
12/16/2017 0.04
12/17/2017 0.04
12/18/2017
12/19/2017
12/20/2017
12/21/2017 0.02
12/22/2017 0.02
12/23/2017 0.02
12/24/2017
12/25/2017
12/26/2017 0.01
12/27/2017
12/28/2017 0.02
12/29/2017 0.02
12/30/2017 0.25
12/31/2017 0.02
Day of YearDaily PrcpMultiday Prcp
1/1/2018 0.00
1/2/2018
1/3/2018
1/4/2018
1/5/2018
1/6/2018
1/7/2018
1/8/2018
1/9/2018
1/10/2018 0.02
1/11/2018
1/12/2018
1/13/2018
1/14/2018
1/15/2018
1/16/2018
1/17/2018
1/18/2018
1/19/2018 0.18
1/20/2018
1/21/2018
1/22/2018
1/23/2018
1/24/2018
1/25/2018
1/26/2018
1/27/2018
1/28/2018
1/29/2018
1/30/2018
1/31/2018
2/1/2018 T
2/2/2018
2/3/2018
2/4/2018 0.25
2/5/2018 0.15
2/6/2018 0.05
2/7/2018 0.01
2/8/2018
2/9/2018 0.30
2/10/2018
2/11/2018
2/12/2018
2/13/2018
2/14/2018
2/15/2018 0.20
2/16/2018
2/17/2018
2/18/2018 0.15
2/19/2018 0.20
2/20/2018 0.00
2/21/2018
2/22/2018
2/23/2018
2/24/2018
2/25/2018
2/26/2018
2/27/2018
2/28/2018
3/1/2018
3/2/2018
3/3/2018
3/4/2018 0.02
3/5/2018 0.03
3/6/2018
3/7/2018
3/8/2018
3/9/2018
3/10/2018 0.03
3/11/2018
3/12/2018
3/13/2018
3/14/2018
3/15/2018
3/16/2018
3/17/2018
3/18/2018
3/19/2018
3/20/2018
3/21/2018
3/22/2018
3/23/2018
3/24/2018
3/25/2018
3/26/2018
3/27/2018
3/28/2018
3/29/2018 0.07
3/30/2018 0.04
3/31/2018 T
Day of YearDaily PrcpMultiday Prcp
4/1/2018 T
4/2/2018 0.02
4/3/2018 0.04
4/4/2018
4/5/2018 0.14
4/6/2018 0.04
4/7/2018
4/8/2018 0.02
4/9/2018
4/10/2018
4/11/2018 T
4/12/2018 0.14
4/13/2018
4/14/2018
4/15/2018
4/16/2018
4/17/2018
4/18/2018
4/19/2018
4/20/2018
4/21/2018
4/22/2018
4/23/2018
4/24/2018 0.54
4/25/2018
4/26/2018
4/27/2018
4/28/2018
4/29/2018
4/30/2018 0.15
5/1/2018 0.05
5/2/2018
5/3/2018
5/4/2018
5/5/2018
5/6/2018
5/7/2018
5/8/2018
5/9/2018
5/10/2018 0.11
5/11/2018 0.30
5/12/2018 0.18
5/13/2018 0.17
5/14/2018
5/15/2018
5/16/2018
5/17/2018
5/18/2018 0.84
5/19/2018 0.44
5/20/2018
5/21/2018
5/22/2018
5/23/2018 0.78
5/24/2018 0.50
5/25/2018
5/26/2018
5/27/2018
5/28/2018 0.17
5/29/2018 0.33
5/30/2018
5/31/2018
6/1/2018 0.22
6/2/2018 0.02
6/3/2018
6/4/2018
6/5/2018
6/6/2018
6/7/2018
6/8/2018 0.15
6/9/2018
6/10/2018
6/11/2018
6/12/2018
6/13/2018
6/14/2018
6/15/2018
6/16/2018 0.48
6/17/2018 0.18
6/18/2018 0.33
6/19/2018 0.73
6/20/2018
6/21/2018
6/22/2018 0.06
6/23/2018 0.07
6/24/2018 0.02
6/25/2018
6/26/2018
6/27/2018
6/28/2018
6/29/2018 0.06
6/30/2018
Day of YearDaily PrcpMultiday Prcp
7/1/2018 T
7/2/2018
7/3/2018 0.25
7/4/2018
7/5/2018
7/6/2018
7/7/2018
7/8/2018
7/9/2018 0.16
7/10/2018
7/11/2018 0.03
7/12/2018
7/13/2018
7/14/2018
7/15/2018
7/16/2018
7/17/2018
7/18/2018
7/19/2018
7/20/2018
7/21/2018
7/22/2018
7/23/2018
7/24/2018
7/25/2018
7/26/2018
7/27/2018
7/28/2018
7/29/2018
7/30/2018
7/31/2018
8/1/2018
8/2/2018
8/3/2018
8/4/2018 0.21
8/5/2018
8/6/2018 0.12
8/7/2018
8/8/2018
8/9/2018
8/10/2018
8/11/2018
8/12/2018
8/13/2018 0.00
8/14/2018 0.07
8/15/2018
8/16/2018
8/17/2018
8/18/2018 T
8/19/2018 0.95
8/20/2018 0.24
8/21/2018 0.20
8/22/2018
8/23/2018 0.02
8/24/2018
8/25/2018
8/26/2018
8/27/2018 0.02
8/28/2018 0.21
8/29/2018
8/30/2018
8/31/2018
9/1/2018
9/2/2018
9/3/2018
9/4/2018
9/5/2018
9/6/2018
9/7/2018
9/8/2018
9/9/2018
9/10/2018
9/11/2018
9/12/2018
9/13/2018
9/14/2018
9/15/2018
9/16/2018
9/17/2018
9/18/2018
9/19/2018
9/20/2018 0.06
9/21/2018
9/22/2018
9/23/2018
9/24/2018 0.07
9/25/2018
9/26/2018
9/27/2018
9/28/2018 0.15
9/29/2018
9/30/2018 0.07



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2017 6:00 AM 0.04 M M M M
10/5/2017 5:00 AM 0.09 M M M M
10/8/2017 6:00 AM 0.15 M M M M
10/9/2017 6:00 AM 0.01 M M M M
10/13/2017 7:00 AM 0.03 M M M M
10/21/2017 5:00 AM 0.00 0.0 M M M Peak winds W34 at 2:37 a.m. Present wind at observation time, W9. Temp 43.
10/23/2017 7:00 AM T M M M M
10/26/2017 5:00 AM 0.03 M M M M Peak wind, N30 at 12:10 a.m.
10/29/2017 7:00 AM 0.02 M M M M
10/30/2017 7:00 AM 0.04 M M M M
10/31/2017 6:00 AM 0.14 M M M M
11/1/2017 6:00 AM 0.00 0.0 M M M
11/2/2017 6:00 AM 0.60 2.0 M 2.0 M 30 degrees at observation time. Winds calm.
11/3/2017 6:00 AM 0.15 1.0 M 3.0 M
11/4/2017 7:00 AM 0.15 1.0 M 4.0 M
11/7/2017 6:00 AM 0.02 2.0 M 4.5 M Low temp 0, present temp 8. Winds calm.
11/21/2017 5:00 AM T M M M M
11/28/2017 5:30 AM 0.07 M M M M
12/4/2017 7:00 AM 0.20 T M M M
12/5/2017 7:00 AM 0.02 0.5 M M M
12/16/2017 6:00 AM 0.04 T M M M Wet snow and rain at observation time.
12/17/2017 6:00 AM 0.04 M M M M Wet snow then froze.
12/21/2017 7:00 AM 0.02 3.0 M M M Very dry snow.
12/22/2017 7:00 AM 0.02 2.0 M 4.0 M Dry snow. Snow falling at observation time.
12/23/2017 6:00 AM 0.02 1.5 M 5.5 M Light snow at observation time. Dry snow, drifting, challenging to get accurate snow depth.
12/26/2017 6:00 AM 0.01 1.0 M 6.0 M Dry snow. Estimated total snow depth due to drifting.
12/28/2017 5:00 AM 0.02 2.0 M 7.5 M Dry snow
12/29/2017 5:30 AM 0.02 2.0 M 8.0 M Conditions at observation time: Snow fall, temp 3, wind NW15, humidity, 77%, windchill -14. Baro 30.89 rising. Snow depth estimated due to drifting. Dry snow.
12/30/2017 5:00 AM 0.25 4.0 M 10.0 M At observation time: Temp -5, wind NE10, Hum75%, windchill-19
12/31/2017 5:30 AM 0.02 2.0 M 12.0 M At observation time: Temp -6, hum 75%, DP -12, winds calm, wind chill -6, baro 31.29 steady. Dry snow.
1/1/2018 6:00 AM 0.00 0.0 M 12.0 M At observation time: temp -8; hum 74%, DP -14, winds calm; wind chill -8, baro 31.14 falling.
1/10/2018 5:30 AM 0.02 0.5 M M M At observation time: Temp 28, Wind NE20 peak gust NE27. Hum 28%, DP 23. Baro 29.92 rising. Wind chill 16. Snow falling.
1/19/2018 7:00 AM 0.18 M M M M
2/1/2018 5:00 AM T T M M M 13 degrees at observation time.
2/4/2018 6:00 AM 0.25 5.0 M M M 1 degree at observation time, winds calm. Dry snow.
2/5/2018 6:30 AM 0.15 2.5 M 7.5 M Light snowfall at observation time. 11 degrees. Winds calm.
2/6/2018 5:30 AM 0.05 1.0 M 8.5 M 11 degrees, light snow, calm.
2/7/2018 5:00 AM 0.01 1.0 M 9.5 M 12 degrees at observation time, winds calm.
2/9/2018 5:30 AM 0.30 6.5 M 12.5 M At observation time: 2 degrees, wind E7, -11 windchill light snow. Dry snow.
2/15/2018 5:00 AM 0.20 3.5 M M M At 5:00 a.m. Temp 17, wind E15, gusts to 20. Hum 81%, DP 12. Baro: 30.50 rising. Light snow fall. Snow depth estimated due to heavy drifting.
2/18/2018 6:00 AM 0.15 3.0 M M M Snow falling at observation time. Temp: 12, wind SE17 gusts to 20 mph. Baro: 3027 rising, Hum 77%, DP 6. Snow depth estimated due to drifting.
2/19/2018 6:00 AM 0.20 4.5 M M M At observation time: Temp 0; winds calm, Hum 75%, DP -5; Baro 30.67 steady.
2/20/2018 5:00 AM 0.00 0.0 M M M At 5:00 a.m. Temp -15, winds calm, clear skies, baro: 30.79 steady; Hum 71%, DP -22.
3/4/2018 6:45 AM 0.02 2.0 M M M
3/5/2018 5:30 AM 0.03 3.5 M M M
3/10/2018 6:00 AM 0.03 M M M M
3/29/2018 6:00 AM 0.07 M M M M
3/30/2018 7:00 AM 0.04 M M M M
3/31/2018 5:30 AM T M M M M Trace of snow. 14 degrees at observation time. Wind NE 16. Wind chill 4 degrees.
4/1/2018 6:30 AM T M M M M 14 degrees at observation time. Winds calm.
4/2/2018 6:00 AM 0.02 2.0 M M M Light snowfall, 31 degrees, winds calm, at observation time.
4/3/2018 6:45 AM 0.04 4.0 M M M Snow depth estimated due to drifting. Temp 4 degrees at observation time, winds calm.
4/5/2018 7:00 AM 0.14 0.5 M M M Temp 30, Hum 85%, DP 26. Winds N14, Rain turned to snow. Snow falling at observation time.
4/6/2018 5:45 AM 0.04 3.5 M M M At observation time. Temp 16, Wind NE11, Hum 82%, DP 12. Rain, then slush, then ice. New dry snow, hard to accurately measure due to drifting. Probably conservative snow depth.
4/8/2018 6:00 AM 0.02 0.2 M M M Light rain turned to snow.
4/11/2018 7:00 AM T M M M M
4/12/2018 7:00 AM 0.14 M M M M
4/24/2018 5:00 AM 0.54 0.4 M M M Wet snow and rain
4/30/2018 6:00 AM 0.15 M M M M
5/1/2018 6:00 AM 0.05 M M M M
5/10/2018 5:00 AM 0.11 M M M M
5/11/2018 5:00 AM 0.30 M M M M
5/12/2018 5:00 AM 0.18 M M M M Overcast, light rain at observation time.
5/13/2018 5:00 AM 0.17 M M M M
5/18/2018 6:00 AM 0.84 M M M M
5/19/2018 7:00 AM 0.44 M M M M
5/23/2018 6:00 AM 0.78 M M M M
5/24/2018 6:00 AM 0.50 M M M M
5/28/2018 5:00 AM 0.17 M M M M
5/29/2018 6:00 AM 0.33 M M M M
6/1/2018 5:00 AM 0.22 M M M M
6/2/2018 6:00 AM 0.02 M M M M
6/8/2018 6:00 AM 0.15 M M M M
6/16/2018 7:00 AM 0.48 M M M M Rain falling at observation time.
6/17/2018 5:00 AM 0.18 M M M M
6/18/2018 7:00 AM 0.33 M M M M
6/19/2018 5:00 AM 0.73 M M M M
6/22/2018 6:00 AM 0.06 M M M M
6/23/2018 6:00 AM 0.07 M M M M
6/24/2018 7:00 AM 0.02 M M M M
6/29/2018 6:00 AM 0.06 M M M M
7/1/2018 6:00 AM T M M M M
7/3/2018 5:30 AM 0.25 M M M M
7/9/2018 6:00 AM 0.16 M M M M
7/11/2018 5:30 AM 0.03 M M M M
8/4/2018 6:00 AM 0.21 M M M M
8/6/2018 6:00 AM 0.12 M M M M
8/13/2018 7:00 AM 0.00 0.0 M M M Max temp 12 Aug 2018, 100.5 degrees
8/14/2018 7:00 AM 0.07 M M M M High temp 13 Aug, 78 degrees: a 22-degree drop from 12 Aug.
8/18/2018 6:00 AM T M M M M
8/19/2018 6:00 AM 0.95 M M M M
8/20/2018 7:00 AM 0.24 M M M M Dime hail fell around 6:30 a.m. Reported to NWS Billings.
8/21/2018 6:00 AM 0.20 M M M M
8/23/2018 6:00 AM 0.02 M M M M
8/27/2018 6:00 AM 0.02 M M M M
8/28/2018 6:00 AM 0.21 M M M M High yesterday 65; low 44.
9/20/2018 7:00 AM 0.06 M M M M
9/24/2018 6:00 AM 0.07 M M M M 44 degrees at observation time.
9/28/2018 5:00 AM 0.15 M M M M
9/30/2018 6:45 AM 0.07 M M M M Light rain at observation time. Temp 36.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
11/8/2017 11/12/2017 7:00 AM 5 0.34 0.5 M



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