Station Overview Station Location
Station Number MT-RV-7 Latitude 46.320898
Station Name Corvallis 4.2 ENE Longitude -114.025166
County Ravalli Elevation (ft) 4282



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 19 0.85 0.32 31 0.32 31 0.00 0 0 6 6 4.7 3 4
Nov 19 0.96 0.64 30 0.64 30 0.00 0 0 10 5 5.1 5 6
Dec 19 0.84 0.41 31 0.41 31 0.00 0 0 8 11 6.7 7 18
Jan 20 0.95 0.34 31 0.34 31 0.00 0 0 14 7 2.3 8 7
Feb 20 0.81 1.07 29 1.07 29 0.00 0 0 12 6 14.7 12 24
March 20 1.15 0.45 31 0.45 31 0.00 0 0 9 10 4.4 7 3
April 20 1.42 1.02 30 1.02 30 0.00 0 0 10 3 4.0 6 2
May 20 2.02 3.08 31 3.08 28 0.00 3 1 13 7 0.3 1 0
June 20 2.28 3.17 30 3.17 30 0.00 0 0 15 4 0.0 0 0
July 20 1.17 0.77 31 0.64 28 0.13 3 1 4 3 0.0 0 0
Aug 20 1.12 0.30 31 0.30 31 0.00 0 0 5 3 0.0 0 0
Sept 20 1.12 1.26 30 1.26 30 0.00 0 0 6 1 0.0 0 0
Water Year Totals: 14.69" 12.83" 366 days 12.70" 360 0.13" 6 days 2 112 days 66 days 42.2" 49 days 64 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
10/1/2019 T
10/2/2019 T
10/3/2019 0.00
10/4/2019 0.00
10/5/2019 0.00
10/6/2019 0.01
10/7/2019 0.00
10/8/2019 0.00
10/9/2019 0.09
10/10/2019 T
10/11/2019 0.00
10/12/2019 0.00
10/13/2019 0.00
10/14/2019 0.00
10/15/2019 0.00
10/16/2019 0.00
10/17/2019 0.00
10/18/2019 T
10/19/2019 T
10/20/2019 T
10/21/2019 0.01
10/22/2019 0.00
10/23/2019 0.01
10/24/2019 0.00
10/25/2019 0.00
10/26/2019 0.00
10/27/2019 0.01
10/28/2019 0.00
10/29/2019 0.19
10/30/2019 0.00
10/31/2019 0.00
11/1/2019 0.00
11/2/2019 0.00
11/3/2019 0.00
11/4/2019 0.00
11/5/2019 0.00
11/6/2019 0.00
11/7/2019 0.00
11/8/2019 0.00
11/9/2019 0.00
11/10/2019 0.08
11/11/2019 0.01
11/12/2019 0.00
11/13/2019 T
11/14/2019 0.00
11/15/2019 0.00
11/16/2019 0.02
11/17/2019 0.00
11/18/2019 0.05
11/19/2019 0.05
11/20/2019 0.24
11/21/2019 T
11/22/2019 0.00
11/23/2019 0.00
11/24/2019 T
11/25/2019 T
11/26/2019 0.01
11/27/2019 T
11/28/2019 0.08
11/29/2019 0.01
11/30/2019 0.09
12/1/2019 0.01
12/2/2019 0.01
12/3/2019 T
12/4/2019 0.00
12/5/2019 0.00
12/6/2019 T
12/7/2019 0.00
12/8/2019 T
12/9/2019 0.01
12/10/2019 0.00
12/11/2019 T
12/12/2019 T
12/13/2019 T
12/14/2019 0.02
12/15/2019 0.14
12/16/2019 0.03
12/17/2019 0.00
12/18/2019 0.00
12/19/2019 0.00
12/20/2019 T
12/21/2019 0.00
12/22/2019 0.00
12/23/2019 0.00
12/24/2019 0.14
12/25/2019 T
12/26/2019 T
12/27/2019 0.00
12/28/2019 T
12/29/2019 T
12/30/2019 0.05
12/31/2019 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2020 0.04
1/2/2020 0.04
1/3/2020 T
1/4/2020 0.00
1/5/2020 0.02
1/6/2020 0.02
1/7/2020 0.00
1/8/2020 T
1/9/2020 0.02
1/10/2020 T
1/11/2020 0.01
1/12/2020 T
1/13/2020 0.09
1/14/2020 0.01
1/15/2020 0.01
1/16/2020 0.00
1/17/2020 T
1/18/2020 0.00
1/19/2020 0.00
1/20/2020 0.00
1/21/2020 0.00
1/22/2020 0.02
1/23/2020 T
1/24/2020 0.00
1/25/2020 0.01
1/26/2020 0.01
1/27/2020 0.01
1/28/2020 T
1/29/2020 0.03
1/30/2020 0.00
1/31/2020 0.00
2/1/2020 0.00
2/2/2020 0.05
2/3/2020 T
2/4/2020 0.00
2/5/2020 0.00
2/6/2020 0.06
2/7/2020 0.31
2/8/2020 0.06
2/9/2020 0.14
2/10/2020 0.01
2/11/2020 0.00
2/12/2020 0.22
2/13/2020 0.04
2/14/2020 0.01
2/15/2020 T
2/16/2020 T
2/17/2020 0.10
2/18/2020 T
2/19/2020 0.03
2/20/2020 0.00
2/21/2020 0.00
2/22/2020 0.00
2/23/2020 0.00
2/24/2020 0.04
2/25/2020 T
2/26/2020 0.00
2/27/2020 T
2/28/2020 0.00
2/29/2020 0.00
3/1/2020 T
3/2/2020 0.00
3/3/2020 T
3/4/2020 T
3/5/2020 T
3/6/2020 0.00
3/7/2020 0.00
3/8/2020 0.03
3/9/2020 0.01
3/10/2020 T
3/11/2020 0.00
3/12/2020 0.01
3/13/2020 0.00
3/14/2020 T
3/15/2020 0.14
3/16/2020 0.05
3/17/2020 0.00
3/18/2020 0.00
3/19/2020 0.00
3/20/2020 0.00
3/21/2020 0.00
3/22/2020 T
3/23/2020 0.00
3/24/2020 0.05
3/25/2020 0.00
3/26/2020 0.01
3/27/2020 T
3/28/2020 T
3/29/2020 T
3/30/2020 0.04
3/31/2020 0.11
Day of YearDaily PrcpMultiday Prcp
4/1/2020 0.05
4/2/2020 0.03
4/3/2020 T
4/4/2020 0.05
4/5/2020 T
4/6/2020 0.00
4/7/2020 0.00
4/8/2020 0.00
4/9/2020 0.00
4/10/2020 0.00
4/11/2020 0.01
4/12/2020 0.26
4/13/2020 0.00
4/14/2020 0.00
4/15/2020 0.14
4/16/2020 0.05
4/17/2020 0.00
4/18/2020 0.00
4/19/2020 0.00
4/20/2020 0.00
4/21/2020 0.00
4/22/2020 0.00
4/23/2020 0.21
4/24/2020 0.04
4/25/2020 0.00
4/26/2020 0.00
4/27/2020 0.00
4/28/2020 T
4/29/2020 0.00
4/30/2020 0.18
5/1/2020 0.03
5/2/2020 0.00
5/3/2020 0.03
5/4/2020 T
5/5/2020 0.00
5/6/2020 0.00
5/7/2020 T
5/8/2020 0.00
5/9/2020 **
5/10/2020 **
5/11/2020 0.00
5/12/2020 0.15
5/13/2020 0.01
5/14/2020 T
5/15/2020 0.88
5/16/2020 0.05
5/17/2020 0.00
5/18/2020 0.20
5/19/2020 0.38
5/20/2020 1.16
5/21/2020 0.15
5/22/2020 0.02
5/23/2020 T
5/24/2020 0.01
5/25/2020 0.00
5/26/2020 T
5/27/2020 0.00
5/28/2020 0.00
5/29/2020 T
5/30/2020 0.01
5/31/2020 T
6/1/2020 0.04
6/2/2020 0.01
6/3/2020 0.00
6/4/2020 0.00
6/5/2020 0.00
6/6/2020 0.08
6/7/2020 0.43
6/8/2020 0.07
6/9/2020 T
6/10/2020 0.01
6/11/2020 0.00
6/12/2020 0.00
6/13/2020 0.00
6/14/2020 0.12
6/15/2020 0.10
6/16/2020 0.16
6/17/2020 0.74
6/18/2020 0.30
6/19/2020 T
6/20/2020 0.00
6/21/2020 0.05
6/22/2020 T
6/23/2020 0.00
6/24/2020 0.00
6/25/2020 0.01
6/26/2020 0.00
6/27/2020 0.00
6/28/2020 T
6/29/2020 0.81
6/30/2020 0.24
Day of YearDaily PrcpMultiday Prcp
7/1/2020 0.12
7/2/2020 **
7/3/2020 **
7/4/2020 0.13
7/5/2020 0.00
7/6/2020 T
7/7/2020 0.00
7/8/2020 T
7/9/2020 0.00
7/10/2020 0.42
7/11/2020 0.00
7/12/2020 0.00
7/13/2020 0.00
7/14/2020 0.00
7/15/2020 0.00
7/16/2020 0.00
7/17/2020 0.00
7/18/2020 0.00
7/19/2020 0.00
7/20/2020 0.00
7/21/2020 0.00
7/22/2020 0.00
7/23/2020 0.02
7/24/2020 0.08
7/25/2020 0.00
7/26/2020 0.00
7/27/2020 0.00
7/28/2020 T
7/29/2020 0.00
7/30/2020 0.00
7/31/2020 0.00
8/1/2020 T
8/2/2020 0.00
8/3/2020 0.00
8/4/2020 0.00
8/5/2020 0.00
8/6/2020 0.08
8/7/2020 0.00
8/8/2020 0.00
8/9/2020 0.00
8/10/2020 0.00
8/11/2020 0.00
8/12/2020 0.00
8/13/2020 0.00
8/14/2020 0.00
8/15/2020 0.00
8/16/2020 0.00
8/17/2020 0.00
8/18/2020 0.00
8/19/2020 T
8/20/2020 0.02
8/21/2020 0.00
8/22/2020 0.00
8/23/2020 0.00
8/24/2020 0.00
8/25/2020 T
8/26/2020 0.15
8/27/2020 0.01
8/28/2020 0.00
8/29/2020 0.00
8/30/2020 0.00
8/31/2020 0.04
9/1/2020 0.24
9/2/2020 0.00
9/3/2020 0.00
9/4/2020 0.00
9/5/2020 0.00
9/6/2020 0.00
9/7/2020 0.00
9/8/2020 0.18
9/9/2020 0.00
9/10/2020 0.00
9/11/2020 0.00
9/12/2020 0.00
9/13/2020 0.00
9/14/2020 0.00
9/15/2020 0.00
9/16/2020 0.00
9/17/2020 0.00
9/18/2020 0.00
9/19/2020 T
9/20/2020 0.42
9/21/2020 0.00
9/22/2020 0.00
9/23/2020 0.00
9/24/2020 0.00
9/25/2020 0.03
9/26/2020 0.16
9/27/2020 0.23
9/28/2020 0.00
9/29/2020 0.00
9/30/2020 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2019 8:00 AM T T M T M September total precip was much above average at 2.01" in comparison to the 1.14" norm. This included 3.8" of historic snow. Nine months in, year-to-date precip stood at 13.22 vs the 11.17 norm.
10/2/2019 8:00 AM T T M 0.0 M October was off to a brisk start with morning flurries, followed by an afternoon high of 46 and an overnight low of 26.
10/3/2019 7:30 AM 0.00 0.0 M 0.0 M
10/4/2019 7:30 AM 0.00 0.0 M 0.0 M
10/5/2019 8:00 AM 0.00 0.0 M 0.0 M
10/6/2019 8:00 AM 0.01 T M 0.0 M
10/7/2019 7:30 AM 0.00 0.0 M 0.0 M
10/8/2019 8:00 AM 0.00 0.0 M 0.0 M
10/9/2019 8:00 AM 0.09 0.6 M 0.5 M Light/blowing snow, with a current temp of 19.8 F.
10/10/2019 8:00 AM T T M T M Lingering flurries, with a high of 32 and an overnight low of 20.
10/11/2019 7:30 AM 0.00 0.0 M 0.0 M
10/12/2019 7:30 AM 0.00 0.0 M 0.0 M
10/13/2019 8:00 AM 0.00 0.0 M M M Seem to be in a bit of a dry patch, with only .10" observed over the past two weeks.
10/14/2019 8:00 AM 0.00 0.0 M M M
10/15/2019 8:00 AM 0.00 0.0 M M M
10/16/2019 7:00 AM 0.00 0.0 M M M
10/17/2019 8:00 AM 0.00 0.0 M M M
10/18/2019 8:00 AM T M M M M
10/19/2019 8:00 AM T M M M M
10/20/2019 8:00 AM T T M 0.0 M Sprinkles and flurries.
10/21/2019 8:00 AM 0.01 M M M M October month-to-date precip is running 20% of normal.
10/22/2019 7:00 AM 0.00 0.0 M M M
10/23/2019 7:00 AM 0.01 M M M M
10/24/2019 7:00 AM 0.00 0.0 M M M
10/25/2019 8:00 AM 0.00 0.0 M M M
10/26/2019 8:00 AM 0.00 0.0 M M M Continuing dryness, with October m-t-d precip at .12" vs the .70" average. Last wetting rain was Sept 30!
10/27/2019 8:00 AM 0.01 0.1 M T M
10/28/2019 8:00 AM 0.00 0.0 M M M
10/29/2019 8:00 AM 0.19 4.0 0.19 3.5 M A late day band of moderate to heavy powdery snow, followed by brisk winds and an overnight low of minus 1.3 F.
10/30/2019 7:30 AM 0.00 0.0 M 3.0 M Record territory temps, with yesterday's max of 16, followed by an overnight low of minus 0.2 F. Has anyone seen Autumn?
10/31/2019 8:00 AM 0.00 0.0 M 1.5 M October total precip was well below normal at .32" vs the .85" average. The precip fell mainly as snow, totaling 4.7". The combined Sept/Oct snowfall stood at 8.5".
11/1/2019 8:00 AM 0.00 0.0 M 1.5 M
11/2/2019 8:00 AM 0.00 0.0 M 0.5 M Made it up to 37, the first max temp above freezing in a week. Open burning fed into a distinct layer of smoke/haze, with a moderate AQI.
11/3/2019 8:00 AM 0.00 0.0 M T M
11/4/2019 7:30 AM 0.00 0.0 M 0.0 M
11/5/2019 7:00 AM 0.00 0.0 M 0.0 M
11/6/2019 7:30 AM 0.00 0.0 M 0.0 M
11/7/2019 7:30 AM 0.00 0.0 M 0.0 M
11/8/2019 8:00 AM 0.00 0.0 M 0.0 M
11/9/2019 8:00 AM 0.00 0.0 M 0.0 M
11/10/2019 8:00 AM 0.08 0.0 M 0.0 M Made it up to 61 yesterday, with overnight clouds producing the first precip in 12 days!
11/11/2019 8:00 AM 0.01 T M T M
11/12/2019 7:30 AM 0.00 0.0 M 0.0 M
11/13/2019 8:00 AM T 0.0 M 0.0 M
11/14/2019 7:30 AM 0.00 0.0 M 0.0 M
11/15/2019 8:00 AM 0.00 0.0 M 0.0 M
11/16/2019 8:00 AM 0.02 0.0 M 0.0 M
11/17/2019 8:00 AM 0.00 0.0 M 0.0 M
11/18/2019 7:30 AM 0.05 0.0 M 0.0 M
11/19/2019 8:00 AM 0.05 0.0 M 0.0 M
11/20/2019 8:00 AM 0.24 1.1 0.08 1.0 0.08 Of the .24" liquid total, .16" fell as daytime rain, and .08" SWE fell as 1.1" snow from 4 am through observation time, with a current temp of 29.
11/21/2019 8:00 AM T T M T M
11/22/2019 8:00 AM 0.00 0.0 M 0.0 M
11/23/2019 8:00 AM 0.00 0.0 M 0.0 M
11/24/2019 8:00 AM T 0.0 M 0.0 M
11/25/2019 7:30 AM T T M T M A pre-dawn dusting of snow.
11/26/2019 8:00 AM 0.01 0.3 M T M An afternoon snow shower.
11/27/2019 8:00 AM T T M T M
11/28/2019 8:30 AM 0.08 0.9 M 1.0 0.08 Light snow overnight, making for a White Thanksgiving!
11/29/2019 8:00 AM 0.01 0.2 M 1.0 M
11/30/2019 9:00 AM 0.09 2.6 M 3.5 M Light snow throughout the day continues this morning.
12/1/2019 8:00 AM 0.01 0.2 M 3.0 M The dryness trend continued in November, with .64" observed compared to the .97" norm. This included 5.1" of snow.
12/2/2019 8:00 AM 0.01 0.1 M 2.5 M
12/3/2019 8:00 AM T T M 1.5 M
12/4/2019 8:00 AM 0.00 0.0 M 1.0 M
12/5/2019 7:00 AM 0.00 0.0 M 0.5 M
12/6/2019 8:00 AM T T M T M
12/7/2019 9:00 AM 0.00 0.0 M T M
12/8/2019 9:00 AM T 0.0 M 0.0 M
12/9/2019 8:00 AM 0.01 T M 0.0 M
12/10/2019 8:00 AM 0.00 0.0 M 0.0 M
12/11/2019 8:30 AM T T M T M
12/12/2019 7:30 AM T T M 0.0 M Periodic flurries and sprinkles, with a current temp of 34.
12/13/2019 7:30 AM T T M T M
12/14/2019 9:00 AM 0.02 0.2 M T M
12/15/2019 9:00 AM 0.14 2.5 M 2.0 M An intense snow shower yesterday morning produced heavy snow at 1.25" per hour for a two-hour period.
12/16/2019 8:00 AM 0.03 0.5 M 2.5 M 3.2" of snow over the weekend, with the .19" SWE providing some much-needed moisture.
12/17/2019 8:00 AM 0.00 0.0 M 2.0 M
12/18/2019 7:30 AM 0.00 0.0 M 1.5 M
12/19/2019 8:00 AM 0.00 0.0 M 1.5 M
12/20/2019 8:00 AM T 0.0 M T M
12/21/2019 8:00 AM 0.00 0.0 M 0.0 M With sun and near 60 expected today, only one thing makes sense: a Christmas Cookout!
12/22/2019 8:00 AM 0.00 0.0 M 0.0 M
12/23/2019 8:00 AM 0.00 0.0 M 0.0 M
12/24/2019 8:00 AM 0.14 2.3 M 2.5 M Overnight snow of 2.3" to usher in the holiday spirit!
12/25/2019 8:00 AM T T M 2.0 M Peace and happiness to all on this Christmas day.
12/26/2019 8:00 AM T T M 1.5 M
12/27/2019 8:00 AM 0.00 0.0 M 1.5 M
12/28/2019 8:00 AM T T M 1.0 M
12/29/2019 8:00 AM T T M 1.0 M
12/30/2019 8:00 AM 0.05 0.9 M 2.0 M Light snow through the day, with some snow grains mixing in.
12/31/2019 8:00 AM 0.00 0.0 M 1.5 M December 2019 total precip was well below normal at .41" compared to the 1.01" average. This included 6.7" of snow.
1/1/2020 8:00 AM 0.04 0.0 M T M Total precip for 2019 was slightly above normal at 14.59" vs the 14.10" average. Epic snows in February contributed to the 68.6" of snow in 2019.
1/2/2020 8:00 AM 0.04 0.1 M T M
1/3/2020 8:00 AM T T M T M Scattered flurries.
1/4/2020 8:00 AM 0.00 0.0 M 0.0 M
1/5/2020 8:00 AM 0.02 0.1 M T M
1/6/2020 8:00 AM 0.02 0.3 M 0.5 M
1/7/2020 8:00 AM 0.00 0.0 M 0.0 M Gusty winds, with a total rain shadow.
1/8/2020 8:00 AM T T M T M
1/9/2020 8:00 AM 0.02 0.4 M T M Snow banding in the morning and late afternoon.
1/10/2020 8:00 AM T T M T M
1/11/2020 8:00 AM 0.01 0.1 M T M
1/12/2020 8:00 AM T T M T M
1/13/2020 8:00 AM 0.09 1.0 M 1.0 M
1/14/2020 8:00 AM 0.01 0.2 M 1.0 M
1/15/2020 8:00 AM 0.01 0.1 M 1.0 M A dusting of snow in the evening, followed by an overnight low of 7.7 above.
1/16/2020 8:00 AM 0.00 0.0 M 1.0 M
1/17/2020 8:00 AM T T M 0.5 M Made it up to 45 yesterday, with a dusting of snow overnight.
1/18/2020 8:00 AM 0.00 0.0 M 0.5 M
1/19/2020 8:00 AM 0.00 0.0 M T M Snowmelt from earlier this week yielded a blackish hue in the water with specks of ash, much like summer rain in an active fire season. Given that it's winter here, could the ash in the snow have originated from the massive Austrailian bushfires?
1/20/2020 8:00 AM 0.00 0.0 M T M
1/21/2020 7:30 AM 0.00 0.0 M T M Dry and mild, with a high of 45.
1/22/2020 8:00 AM 0.02 T M T M Icy on raised surfaces from overnight rn/sn showers.
1/23/2020 7:30 AM T T M 0.0 M
1/24/2020 8:00 AM 0.00 0.0 M 0.0 M
1/25/2020 8:00 AM 0.01 T M 0.0 M
1/26/2020 8:00 AM 0.01 T M 0.0 M
1/27/2020 7:30 AM 0.01 T M 0.0 M
1/28/2020 8:00 AM T T M 0.0 M
1/29/2020 7:30 AM 0.03 T M 0.0 M A morning snow shower, some sun, and an evening rain shower.
1/30/2020 8:00 AM 0.00 0.0 M 0.0 M
1/31/2020 8:00 AM 0.00 0.0 M 0.0 M The dry autumn has extended into winter, with January total precip much below average at .34" compared to the .82" norm. This same trend developed last year until February 2019, when 2.96" liquid/34.6" snow was observed. Could it happen again?
2/1/2020 8:00 AM 0.00 0.0 M 0.0 M
2/2/2020 8:00 AM 0.05 0.5 M 0.5 M Intense winds through the day, with trees and power lines down near Stevensville and Florence. The high was 55, followed by an overnight low of 26 and a half-inch of snow!
2/3/2020 8:00 AM T T M 0.5 M The afternoon high of 31 was 24 degrees colder than the previous day's high of 55, with a brisk north wind making it feel even colder. This was followed by an overnight low of 9 above. Winter's back!
2/4/2020 8:00 AM 0.00 0.0 M T M
2/5/2020 7:30 AM 0.00 0.0 M T M
2/6/2020 8:00 AM 0.06 0.2 M T M Early evening snow, with a wintry mix overnight, and back to snow this morning. It's icy in spots, with light snow and a current temp of 30.
2/7/2020 8:00 AM 0.31 4.3 M 4.0 M Snow throughout a good part of the period with a 4.3" accumulation.
2/8/2020 8:00 AM 0.06 0.4 M 3.0 M Daytime flurries and sprinkles, with a gusty snow squall at 4:45 am.
2/9/2020 8:00 AM 0.14 2.2 M 5.0 M After below normal precip from Oct-Jan, Feb is off to a good start with .62" SWE from 7.6" snow. This includes the 2.2" snow from yesterday evening.
2/10/2020 8:00 AM 0.01 0.2 M 4.0 M Late day flurries, with a morning snow shower coating the ground.
2/11/2020 8:00 AM 0.00 0.0 M 3.5 M
2/12/2020 7:30 AM 0.22 3.8 M 7.5 M Moderate to heavy bands of snow overnight into this morning, with 3.8" accumulated thus far and a current temp of 28 F.
2/13/2020 7:30 AM 0.04 0.6 M 6.0 M
2/14/2020 8:00 AM 0.01 0.2 M 5.0 M
2/15/2020 8:00 AM T T M 4.0 M
2/16/2020 8:00 AM T T M 3.0 M
2/17/2020 8:00 AM 0.10 1.4 M 4.5 M Heavy snow showers overnight.
2/18/2020 8:00 AM T T M 4.0 M Lingering snow showers.
2/19/2020 8:00 AM 0.03 0.6 M 4.0 M A period of accumulating snow during the evening.
2/20/2020 7:30 AM 0.00 0.0 M 4.0 M First dry day in nine, with a high of 27.4 and a low of 8.8 F.
2/21/2020 8:00 AM 0.00 0.0 M 3.5 M
2/22/2020 8:00 AM 0.00 0.0 M 3.0 M
2/23/2020 8:00 AM 0.00 0.0 M 2.0 M A high of 51 promoted partial melting of the existing snowpack.
2/24/2020 8:00 AM 0.04 0.3 M 1.5 M
2/25/2020 8:00 AM T T M 1.5 M
2/26/2020 7:30 AM 0.00 0.0 M 1.0 M
2/27/2020 8:00 AM T T M 1.0 M
2/28/2020 8:00 AM 0.00 0.0 M 0.5 M
2/29/2020 8:00 AM 0.00 0.0 M T M Feb total precip was much above average at 1.07" compared to the .70" norm. This included 14.7" of snow, and was the first above average monthly total since Sept 2019!
3/1/2020 8:00 AM T T M T M
3/2/2020 8:00 AM 0.00 0.0 M T M
3/3/2020 8:00 AM T T M T M Daytime flurries and sprinkles.
3/4/2020 7:30 AM T T M T M Rain/snow showers on gusty winds just before 7:30 am OT.
3/5/2020 8:00 AM T T M T M
3/6/2020 7:30 AM 0.00 0.0 M 0.0 M
3/7/2020 8:00 AM 0.00 0.0 M 0.0 M
3/8/2020 8:00 AM 0.03 0.0 M 0.0 M First measurable precip since Feb 24!
3/9/2020 8:00 AM 0.01 0.1 M T M A light dusting of snow overnight.
3/10/2020 8:00 AM T T M T M An overnight snow shower.
3/11/2020 8:00 AM 0.00 0.0 M 0.0 M
3/12/2020 8:00 AM 0.01 0.1 M T M
3/13/2020 8:00 AM 0.00 0.0 M 0.0 M
3/14/2020 7:30 AM T 0.1 M T M
3/15/2020 8:00 AM 0.14 2.7 M 2.0 M Snow has redeveloped this morning, after yesterday's 2.7" that fell over a three-hour period.
3/16/2020 8:00 AM 0.05 1.0 M 2.0 M Morning snow, afternoon flurries.
3/17/2020 8:00 AM 0.00 0.0 M 0.5 M
3/18/2020 7:00 AM 0.00 0.0 M T M
3/19/2020 7:30 AM 0.00 0.0 M 0.0 M
3/20/2020 8:00 AM 0.00 0.0 M 0.0 M
3/21/2020 8:00 AM 0.00 0.0 M 0.0 M
3/22/2020 8:00 AM T T M T M
3/23/2020 8:00 AM 0.00 0.0 M 0.0 M
3/24/2020 8:00 AM 0.05 T M T M Snow/rain showers overnight.
3/25/2020 8:00 AM 0.00 0.0 M 0.0 M
3/26/2020 8:00 AM 0.01 0.1 M 0.0 M
3/27/2020 8:00 AM T T M 0.0 M
3/28/2020 8:00 AM T T M 0.0 M
3/29/2020 8:00 AM T T M 0.0 M
3/30/2020 8:00 AM 0.04 0.0 M 0.0 M
3/31/2020 7:30 AM 0.11 0.3 M T M March total precip was below 50% of normal at .45" compared to the .96" average. This included 4.4" of snow. Three months in, y-t-d precip was 1.86" vs the 2.51" norm. Last year at this point, y-t-d precip stood at 4.56"!
4/1/2020 7:30 AM 0.05 0.4 M T M Squall-like snow/graupel showers into the evening, with this site rattled at 5:53 MDT by the Idaho tremor 120 miles to the southeast.
4/2/2020 8:00 AM 0.03 0.6 M T M Lingering flurries this morning, after an overnight low of 23.
4/3/2020 7:30 AM T T M 0.0 M
4/4/2020 8:00 AM 0.05 0.7 M 0.5 M Snow overnight for 0.7" and a low of 27.
4/5/2020 8:00 AM T T M 0.0 M
4/6/2020 8:00 AM 0.00 0.0 M 0.0 M
4/7/2020 7:30 AM 0.00 0.0 M 0.0 M
4/8/2020 8:00 AM 0.00 0.0 M 0.0 M
4/9/2020 7:00 AM 0.00 0.0 M 0.0 M
4/10/2020 8:00 AM 0.00 0.0 M 0.0 M
4/11/2020 8:00 AM 0.01 0.0 M 0.0 M
4/12/2020 7:30 AM 0.26 1.8 M 1.0 M Moderate to heavy snow banding through the afternoon, yielding 1.8" of snow (and a White Easter!), with an overnight low temp of 14.8 F.
4/13/2020 7:00 AM 0.00 0.0 M T M
4/14/2020 8:00 AM 0.00 0.0 M T M
4/15/2020 8:00 AM 0.14 0.1 M T M Overnight rain changed over to moderate snow just after 7 am, with a coating on the ground thus far and a current temp of 31.
4/16/2020 7:30 AM 0.05 0.4 M 0.0 M
4/17/2020 8:00 AM 0.00 0.0 M 0.0 M
4/18/2020 8:00 AM 0.00 0.0 M 0.0 M
4/19/2020 8:00 AM 0.00 0.0 M 0.0 M
4/20/2020 7:30 AM 0.00 0.0 M 0.0 M
4/21/2020 7:30 AM 0.00 0.0 M 0.0 M
4/22/2020 8:00 AM 0.00 0.0 M 0.0 M
4/23/2020 7:30 AM 0.21 0.0 M 0.0 M Some much needed rain!
4/24/2020 7:00 AM 0.04 0.0 M 0.0 M
4/25/2020 8:00 AM 0.00 0.0 M 0.0 M
4/26/2020 8:00 AM 0.00 0.0 M 0.0 M
4/27/2020 7:30 AM 0.00 0.0 M 0.0 M
4/28/2020 7:00 AM T 0.0 M 0.0 M Late-day rumbles of thunder, the first of the season, with only a trace of precip to show for it.
4/29/2020 7:00 AM 0.00 0.0 M 0.0 M Sunny and 65 yesterday, with summer-like irrigating underway due to the dry conditions.
4/30/2020 7:30 AM 0.18 0.0 M 0.0 M Made it up to 82 yesterday, with rain overnight. Total April precip was below average at 1.02" vs the 1.18" average. This included 4" of April snow.
5/1/2020 7:00 AM 0.03 M M M M
5/2/2020 8:00 AM 0.00 0.0 M M M
5/3/2020 7:30 AM 0.03 M M M M
5/4/2020 7:30 AM T M M M M Yesterday was breezy and somewhat cooler, with a high of 58 and an overnight low of 29.3 F.
5/5/2020 7:30 AM 0.00 0.0 M M M
5/6/2020 7:30 AM 0.00 0.0 M M M
5/7/2020 7:30 AM T M M M M Just sprinkles yesterday. Top soil is dry and powdery, with precip running approx 80% of normal since September's start to the water year.
5/8/2020 7:00 AM 0.00 0.0 M M M
5/12/2020 8:30 AM 0.15 0.0 M M M Nearby thunder and lightning at 2:30 am, followed by rain into the dawn. First wetting rain since April 30!
5/13/2020 7:30 AM 0.01 0.0 M M M
5/14/2020 7:30 AM T M M M M
5/15/2020 7:30 AM 0.88 0.0 M M M An extended period of moderate rain overnight produced a much-needed soaker!
5/16/2020 7:00 AM 0.05 0.0 M M M Light rain lingered through the morning, with a .93" two-day rain total. The powdery dry topsoil easily absorbed this significant wave of moisture.
5/17/2020 7:30 AM 0.00 0.0 M M M
5/18/2020 7:45 AM 0.20 M M M M The rainy week forecasted is off to a good start, with .20" observed since midnight.
5/19/2020 8:00 AM 0.38 M M M M A series of t-cells streamed through in the late afternoon, with gusty winds, brief downpours, but no hail. Two-day rain total of .58".
5/20/2020 7:15 AM 1.16 M M M M Showers and downpours throughout the period, with a three-day storm total of 1.74"!
5/21/2020 7:15 AM 0.15 0.3 M 0.0 M An early afternoon hail storm with pea-sized hail whitened the ground (hail report forwarded).
5/22/2020 7:30 AM 0.02 M M M M
5/23/2020 7:30 AM T M M M M A couple of daytime sprinkles, chilly overnight with a low of 33.7 F, with no frost.
5/24/2020 7:30 AM 0.01 M M M M
5/25/2020 7:00 AM 0.00 0.0 M M M
5/26/2020 7:00 AM T M M M M
5/27/2020 7:30 AM 0.00 0.0 M M M
5/28/2020 7:00 AM 0.00 0.0 M M M
5/29/2020 7:00 AM T M M M M Showers have developed this morning.
5/30/2020 7:00 AM 0.01 M M M M
5/31/2020 7:15 AM T M M M M May total precip was much above average at 3.08" compared to the 1.92" norm. The wet weather moved the year-to-date total to somewhat above average at 5.96" vs the 5.69" norm.
6/1/2020 7:30 AM 0.04 M M M M
6/2/2020 7:00 AM 0.01 M M M M
6/3/2020 7:00 AM 0.00 0.0 M M M
6/4/2020 7:30 AM 0.00 0.0 M M M
6/5/2020 7:30 AM 0.00 0.0 M M M
6/6/2020 8:00 AM 0.08 M M M M A period of intense winds after midnight, with light rain developing later in the night and continuing this morning.
6/7/2020 8:00 AM 0.43 M M M M A light soaking rain all day, with heavier showers in the early evening.
6/8/2020 7:50 AM 0.07 M M M M
6/9/2020 7:30 AM T M M M M
6/10/2020 8:00 AM 0.01 M M M M
6/11/2020 7:30 AM 0.00 0.0 M M M
6/12/2020 7:00 AM 0.00 0.0 M M M
6/13/2020 7:00 AM 0.00 0.0 M M M
6/14/2020 7:30 AM 0.12 M M M M Daytime thunder and morning rain, both light in intensity.
6/15/2020 7:30 AM 0.10 T M M M Small hail with an afternoon shower (report submitted).
6/16/2020 7:00 AM 0.16 M M M M Afternoon showers (.14") lingered overnight (.02").
6/17/2020 7:40 AM 0.74 0.0 M M M Moderate to heavy rain late night into this morning.
6/18/2020 7:30 AM 0.30 M M M M Two-day storm total of 1.04" rain.
6/19/2020 8:00 AM T M M M M
6/20/2020 7:00 AM 0.00 0.0 M M M
6/21/2020 8:00 AM 0.05 M M M M Late-day showers lingering into this morning.
6/22/2020 7:30 AM T M M M M
6/23/2020 7:30 AM 0.00 0.0 M M M
6/24/2020 7:00 AM 0.00 0.0 M M M
6/25/2020 7:00 AM 0.01 M M M M
6/26/2020 7:00 AM 0.00 0.0 M M M
6/27/2020 7:15 AM 0.00 0.0 M M M A noticeable uptick in the density of the perma-haze.
6/28/2020 7:30 AM T 0.0 M M M
6/29/2020 7:30 AM 0.81 0.0 M M M Moderate rain developed from embedded t-storms yesterday afternoon, then shifted to a steady light to moderate rain overnight into this morning, with a low temp of 42.5 F.
6/30/2020 7:30 AM 0.24 0.0 M M M Two-day rain total of 1.05", with light to moderate showers continuing this morning.
7/1/2020 7:30 AM 0.12 M M M M June total precip was much above normal at 3.17" compared to the 2.02" average. Mid-way through the year, total precip continued above average at 9.13" vs the 7.83" norm.
7/5/2020 7:00 AM 0.00 0.0 M M M
7/6/2020 7:30 AM T M M M M A late afternoon sprinkle from a developing t-cell.
7/7/2020 7:30 AM 0.00 0.0 M M M
7/8/2020 7:30 AM T M M M M
7/9/2020 7:00 AM 0.00 0.0 M M M
7/10/2020 7:30 AM 0.42 M M M M A period of moderate rain 4 am to 6 am.
7/11/2020 7:00 AM 0.00 0.0 M M M
7/12/2020 7:30 AM 0.00 0.0 M M M
7/13/2020 7:30 AM 0.00 0.0 M M M
7/14/2020 7:30 AM 0.00 0.0 M M M
7/15/2020 7:00 AM 0.00 0.0 M M M
7/16/2020 7:30 AM 0.00 0.0 M M M
7/17/2020 7:00 AM 0.00 0.0 M M M Dry, with widely dispersed and persistent haze.
7/18/2020 7:00 AM 0.00 0.0 M M M
7/19/2020 7:30 AM 0.00 0.0 M M M
7/20/2020 7:00 AM 0.00 0.0 M M M
7/21/2020 7:00 AM 0.00 0.0 M M M
7/22/2020 7:30 AM 0.00 0.0 M M M
7/23/2020 7:30 AM 0.02 M M M M Daytime sprinkles and an overnight shower produced the first rain in 13 days.
7/24/2020 7:30 AM 0.08 M M M M An afternoon shower.
7/25/2020 7:30 AM 0.00 0.0 M M M
7/26/2020 7:30 AM 0.00 0.0 M M M
7/27/2020 7:30 AM 0.00 0.0 M M M
7/28/2020 7:00 AM T 0.0 M M M Made it up to 89 yesterday, with sprinkles this morning under a mostly cloudy sky.
7/29/2020 7:00 AM 0.00 0.0 M M M
7/30/2020 7:00 AM 0.00 0.0 M M M
7/31/2020 7:30 AM 0.00 0.0 M M M After a wet May and June, July total precip was below average at .77" compared to the .96" norm. Year-to-date precip remains above average at 9.90" vs the 8.84" norm.
8/1/2020 7:30 AM T 0.0 M M M High summer high temp of 94, followed by some late-day convection.
8/2/2020 7:00 AM 0.00 0.0 M M M
8/3/2020 7:00 AM 0.00 0.0 M M M
8/4/2020 7:30 AM 0.00 0.0 M M M
8/5/2020 7:00 AM 0.00 0.0 M M M
8/6/2020 7:30 AM 0.08 M M M M A loud and flashy t-storm in the pre-dawn darkness.
8/7/2020 7:00 AM 0.00 0.0 M M M
8/8/2020 7:30 AM 0.00 0.0 M M M
8/9/2020 7:30 AM 0.00 0.0 M M M
8/10/2020 7:30 AM 0.00 0.0 M M M
8/11/2020 7:00 AM 0.00 0.0 M M M
8/12/2020 7:30 AM 0.00 0.0 M M M
8/13/2020 7:30 AM 0.00 0.0 M M M
8/14/2020 7:30 AM 0.00 0.0 M M M
8/15/2020 7:00 AM 0.00 0.0 M M M
8/16/2020 7:30 AM 0.00 0.0 M M M
8/17/2020 7:30 AM 0.00 0.0 M M M Afternoon cloudiness tempered the heat with a high of 88.
8/18/2020 7:30 AM 0.00 0.0 M M M A dry t-cell just after midnight produced gusty winds and a few flashes of lightning.
8/19/2020 7:30 AM T M M M M Vivid lightning display between 5-6 am just to the north.
8/20/2020 7:30 AM 0.02 M M M M First measurable precip in 14 days, with August precip running <15% of normal.
8/21/2020 7:30 AM 0.00 0.0 M M M
8/22/2020 7:30 AM 0.00 0.0 M M M First significant smoke of the season, with late-day visibility lowering to 2-4 miles and AQI falling to unhealthy for all groups. Some improvement this morning.
8/23/2020 7:30 AM 0.00 0.0 M M M Nice break from the smoke overnight. Light haze this morning.
8/24/2020 7:30 AM 0.00 0.0 M M M Widespread haze, vis 4-8 miles, with AQI at unhealthy for sensitive groups.
8/25/2020 7:30 AM T M M M M
8/26/2020 7:20 AM 0.15 M M M M A nice shot of rain yesterday afternoon from an embedded t-cell that hopefully reached the 2000 acre Cinnabar wildfire burning 15 miles to the Northeast.
8/27/2020 7:30 AM 0.01 M M M M Moderate t-storms rumbled through at dawn.
8/28/2020 7:30 AM 0.00 0.0 M M M
8/29/2020 7:30 AM 0.00 0.0 M M M
8/30/2020 7:30 AM 0.00 0.0 M M M
8/31/2020 7:40 AM 0.04 M M M M This morning's rain should help to calm the four active wildfires now ringing the Bitterroot Valley. Our dry August has not helped, with .30" observed compared to 1.15" norm.
9/1/2020 7:30 AM 0.24 M M M M Yesterday's rain contnued until mid-day, producing a .28" rain event total.
9/2/2020 7:30 AM 0.00 0.0 M M M
9/3/2020 7:30 AM 0.00 0.0 M M M
9/4/2020 7:30 AM 0.00 0.0 M M M
9/5/2020 7:30 AM 0.00 0.0 M M M
9/6/2020 7:30 AM 0.00 0.0 M M M
9/7/2020 7:30 AM 0.00 0.0 M M M Interesting to see Red Flag and Winter Storm Warnings sharing the regional map for today. Must be autumn in thr Rockies!
9/8/2020 7:30 AM 0.18 0.0 M M M Light rain and gusty winds in the afternoon, with first widespread snow on the terrain above 6,000 ft. Temp fell through the day and made it down to 29.2 F overnight.
9/9/2020 7:30 AM 0.00 0.0 M M M
9/10/2020 7:30 AM 0.00 0.0 M M M
9/11/2020 7:30 AM 0.00 0.0 M M M
9/12/2020 7:30 AM 0.00 0.0 M M M
9/13/2020 7:30 AM 0.00 0.0 M M M
9/14/2020 7:30 AM 0.00 0.0 M M M
9/15/2020 7:30 AM 0.00 0.0 M M M Widespread smoke, 3-mile visibility, with an unhealthy AQI throughout the period. A light coating of ash was also observed, suggesting that the Idaho wildfires are adding to the problem.
9/16/2020 7:30 AM 0.00 0.0 M M M
9/17/2020 7:30 AM 0.00 0.0 M M M
9/18/2020 7:30 AM 0.00 0.0 M M M
9/19/2020 7:30 AM T M M M M
9/20/2020 7:30 AM 0.42 M M M M Nice rain event, with .32" in a morning downpour, and .10" in an evening shower.
9/21/2020 7:30 AM 0.00 0.0 M M M
9/22/2020 7:30 AM 0.00 0.0 M M M
9/23/2020 7:30 AM 0.00 0.0 M M M
9/24/2020 7:30 AM 0.00 0.0 M M M
9/25/2020 7:30 AM 0.03 M M M M
9/26/2020 7:30 AM 0.16 M M M M Report delayed by internet connectivity issue. Daytime sprinkles ramped up to moderate showers overnight, with nearby terrain picking up accumulated snow above 7,500 ft.
9/27/2020 7:30 AM 0.23 M M M M Periodic showers, with a two-day rain total of .39".
9/28/2020 7:30 AM 0.00 0.0 M M M
9/29/2020 7:30 AM 0.00 0.0 M M M It was just one year ago--Sept 29, 2019--that this site was blanketed with 3.8" snow and a high temp of 34!
9/30/2020 7:30 AM 0.00 0.0 M M M Sept total precip was somewhat above normal at 1.26" compared to the 1.14" norm.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
5/9/2020 5/11/2020 7:30 AM 3 0.00 0.0 M
7/2/2020 7/04/2020 7:30 AM 3 0.13 M 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
5/20/2020 1:43 PM Hail whitened the ground. NA 1/4" Pea Size Rice Hard|White Ice 5 2min no damage Continuous False Same time as rain After smaller hail
6/14/2020 2:07 PM A non-convective but windy shower, with temp dropping to 44. Similar to graupel in size and look. NA Rice NA Hard|White Ice 4 1min no damage Continuous True After rain Same time as smaller hail