Station Overview Station Location
Station Number MT-LC-14 Latitude 46.62177
Station Name Helena 2.0 NNW Longitude -112.04198
County Lewis And Clark Elevation (ft) 3871



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 16 0.69 1.91 31 1.91 31 0.00 0 0 15 3 1.9 2 1
Nov 16 0.45 0.02 30 0.02 30 0.00 0 0 1 5 0.0 0 0
Dec 16 0.38 1.42 31 1.42 31 0.00 0 0 12 8 22.0 12 26
Jan 17 0.35 0.59 31 0.59 31 0.00 0 0 8 3 7.9 8 31
Feb 17 0.30 0.85 28 0.85 28 0.00 0 0 9 4 9.3 7 28
March 17 0.50 0.45 31 0.45 31 0.00 0 0 6 9 3.8 2 8
April 17 0.94 0.79 30 0.61 28 0.18 2 1 14 3 0.0 0 0
May 17 1.72 1.71 31 1.71 31 0.00 0 0 6 4 0.0 0 0
June 17 2.08 1.05 30 1.05 30 0.00 0 0 4 4 0.0 0 0
July 17 1.26 0.31 31 0.31 31 0.00 0 0 6 1 0.0 0 0
Aug 17 1.20 0.00 31 0.00 31 0.00 0 0 0 3 0.0 0 0
Sept 17 1.08 1.70 30 1.70 30 0.00 0 0 7 3 0.0 0 0
Water Year Totals: 10.95" 10.80" 365 days 10.62" 363 0.18" 2 days 1 88 days 50 days 44.9" 31 days 94 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
10/1/2016 0.01
10/2/2016 0.09
10/3/2016 0.14
10/4/2016 0.27
10/5/2016 0.37
10/6/2016 0.03
10/7/2016 0.00
10/8/2016 0.01
10/9/2016 0.00
10/10/2016 0.00
10/11/2016 0.18
10/12/2016 0.01
10/13/2016 0.00
10/14/2016 0.00
10/15/2016 0.04
10/16/2016 0.07
10/17/2016 0.02
10/18/2016 T
10/19/2016 0.14
10/20/2016 0.00
10/21/2016 0.00
10/22/2016 0.00
10/23/2016 0.00
10/24/2016 0.00
10/25/2016 0.00
10/26/2016 0.03
10/27/2016 T
10/28/2016 T
10/29/2016 0.00
10/30/2016 0.00
10/31/2016 0.50
11/1/2016 T
11/2/2016 0.00
11/3/2016 0.00
11/4/2016 0.00
11/5/2016 0.00
11/6/2016 0.00
11/7/2016 0.00
11/8/2016 0.00
11/9/2016 0.00
11/10/2016 0.00
11/11/2016 0.00
11/12/2016 0.00
11/13/2016 0.00
11/14/2016 0.00
11/15/2016 0.02
11/16/2016 T
11/17/2016 0.00
11/18/2016 0.00
11/19/2016 0.00
11/20/2016 0.00
11/21/2016 0.00
11/22/2016 0.00
11/23/2016 0.00
11/24/2016 T
11/25/2016 0.00
11/26/2016 0.00
11/27/2016 0.00
11/28/2016 0.00
11/29/2016 T
11/30/2016 T
12/1/2016 T
12/2/2016 0.00
12/3/2016 T
12/4/2016 T
12/5/2016 0.16
12/6/2016 0.02
12/7/2016 T
12/8/2016 T
12/9/2016 0.07
12/10/2016 T
12/11/2016 0.01
12/12/2016 0.03
12/13/2016 0.38
12/14/2016 0.02
12/15/2016 0.27
12/16/2016 0.15
12/17/2016 0.01
12/18/2016 0.00
12/19/2016 0.00
12/20/2016 0.00
12/21/2016 0.01
12/22/2016 0.00
12/23/2016 0.00
12/24/2016 0.00
12/25/2016 0.29
12/26/2016 T
12/27/2016 0.00
12/28/2016 T
12/29/2016 0.00
12/30/2016 0.00
12/31/2016 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2017 T
1/2/2017 0.06
1/3/2017 0.01
1/4/2017 T
1/5/2017 0.00
1/6/2017 0.00
1/7/2017 0.00
1/8/2017 0.14
1/9/2017 0.15
1/10/2017 0.05
1/11/2017 0.08
1/12/2017 T
1/13/2017 0.00
1/14/2017 0.00
1/15/2017 0.00
1/16/2017 0.00
1/17/2017 0.00
1/18/2017 0.00
1/19/2017 0.00
1/20/2017 0.00
1/21/2017 0.00
1/22/2017 0.00
1/23/2017 0.03
1/24/2017 0.00
1/25/2017 0.00
1/26/2017 0.00
1/27/2017 0.00
1/28/2017 0.00
1/29/2017 0.00
1/30/2017 0.00
1/31/2017 0.07
2/1/2017 0.06
2/2/2017 0.00
2/3/2017 0.00
2/4/2017 0.16
2/5/2017 0.01
2/6/2017 T
2/7/2017 0.26
2/8/2017 0.08
2/9/2017 T
2/10/2017 0.04
2/11/2017 0.01
2/12/2017 0.00
2/13/2017 0.00
2/14/2017 0.00
2/15/2017 0.00
2/16/2017 0.00
2/17/2017 0.00
2/18/2017 0.00
2/19/2017 0.00
2/20/2017 0.00
2/21/2017 0.01
2/22/2017 T
2/23/2017 0.00
2/24/2017 T
2/25/2017 0.00
2/26/2017 0.00
2/27/2017 0.22
2/28/2017 0.00
3/1/2017 T
3/2/2017 0.00
3/3/2017 0.00
3/4/2017 0.00
3/5/2017 T
3/6/2017 T
3/7/2017 T
3/8/2017 0.02
3/9/2017 0.15
3/10/2017 0.23
3/11/2017 0.00
3/12/2017 T
3/13/2017 0.00
3/14/2017 T
3/15/2017 T
3/16/2017 0.01
3/17/2017 0.00
3/18/2017 0.00
3/19/2017 0.00
3/20/2017 0.00
3/21/2017 0.00
3/22/2017 0.00
3/23/2017 0.00
3/24/2017 0.00
3/25/2017 0.01
3/26/2017 0.00
3/27/2017 0.00
3/28/2017 T
3/29/2017 0.00
3/30/2017 T
3/31/2017 0.03
Day of YearDaily PrcpMultiday Prcp
4/1/2017 T
4/2/2017 0.00
4/3/2017 0.00
4/4/2017 T
4/5/2017 0.00
4/6/2017 0.00
4/7/2017 0.00
4/8/2017 **
4/9/2017 0.18
4/10/2017 0.00
4/11/2017 0.01
4/12/2017 0.01
4/13/2017 0.00
4/14/2017 0.31
4/15/2017 0.00
4/16/2017 0.00
4/17/2017 0.02
4/18/2017 0.02
4/19/2017 0.02
4/20/2017 0.00
4/21/2017 0.05
4/22/2017 0.02
4/23/2017 T
4/24/2017 0.03
4/25/2017 0.04
4/26/2017 0.01
4/27/2017 0.04
4/28/2017 0.01
4/29/2017 0.02
4/30/2017 0.00
5/1/2017 0.00
5/2/2017 T
5/3/2017 0.00
5/4/2017 0.00
5/5/2017 0.00
5/6/2017 T
5/7/2017 0.03
5/8/2017 0.13
5/9/2017 0.00
5/10/2017 0.00
5/11/2017 0.00
5/12/2017 0.00
5/13/2017 0.06
5/14/2017 T
5/15/2017 0.00
5/16/2017 0.00
5/17/2017 0.80
5/18/2017 0.59
5/19/2017 0.00
5/20/2017 0.00
5/21/2017 0.10
5/22/2017 0.00
5/23/2017 0.00
5/24/2017 0.00
5/25/2017 0.00
5/26/2017 0.00
5/27/2017 T
5/28/2017 0.00
5/29/2017 0.00
5/30/2017 0.00
5/31/2017 0.00
6/1/2017 T
6/2/2017 T
6/3/2017 0.00
6/4/2017 0.00
6/5/2017 0.19
6/6/2017 0.00
6/7/2017 0.00
6/8/2017 0.00
6/9/2017 0.00
6/10/2017 T
6/11/2017 0.00
6/12/2017 0.00
6/13/2017 0.79
6/14/2017 0.06
6/15/2017 0.00
6/16/2017 0.00
6/17/2017 0.00
6/18/2017 0.00
6/19/2017 0.00
6/20/2017 0.01
6/21/2017 0.00
6/22/2017 0.00
6/23/2017 0.00
6/24/2017 0.00
6/25/2017 0.00
6/26/2017 0.00
6/27/2017 0.00
6/28/2017 T
6/29/2017 0.00
6/30/2017 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2017 0.00
7/2/2017 0.00
7/3/2017 0.00
7/4/2017 0.00
7/5/2017 0.00
7/6/2017 0.03
7/7/2017 0.01
7/8/2017 0.00
7/9/2017 0.00
7/10/2017 0.07
7/11/2017 0.01
7/12/2017 0.00
7/13/2017 0.00
7/14/2017 0.00
7/15/2017 0.00
7/16/2017 0.15
7/17/2017 0.00
7/18/2017 0.00
7/19/2017 0.04
7/20/2017 0.00
7/21/2017 0.00
7/22/2017 0.00
7/23/2017 0.00
7/24/2017 0.00
7/25/2017 0.00
7/26/2017 0.00
7/27/2017 0.00
7/28/2017 T
7/29/2017 0.00
7/30/2017 0.00
7/31/2017 0.00
8/1/2017 0.00
8/2/2017 0.00
8/3/2017 0.00
8/4/2017 0.00
8/5/2017 0.00
8/6/2017 0.00
8/7/2017 0.00
8/8/2017 0.00
8/9/2017 0.00
8/10/2017 0.00
8/11/2017 0.00
8/12/2017 T
8/13/2017 0.00
8/14/2017 T
8/15/2017 0.00
8/16/2017 0.00
8/17/2017 0.00
8/18/2017 0.00
8/19/2017 0.00
8/20/2017 0.00
8/21/2017 0.00
8/22/2017 0.00
8/23/2017 0.00
8/24/2017 0.00
8/25/2017 0.00
8/26/2017 0.00
8/27/2017 0.00
8/28/2017 0.00
8/29/2017 0.00
8/30/2017 0.00
8/31/2017 T
9/1/2017 0.00
9/2/2017 0.00
9/3/2017 0.00
9/4/2017 0.00
9/5/2017 0.00
9/6/2017 0.00
9/7/2017 0.00
9/8/2017 0.00
9/9/2017 0.00
9/10/2017 0.01
9/11/2017 0.00
9/12/2017 0.00
9/13/2017 T
9/14/2017 0.16
9/15/2017 0.66
9/16/2017 0.62
9/17/2017 0.00
9/18/2017 0.00
9/19/2017 T
9/20/2017 T
9/21/2017 0.07
9/22/2017 0.04
9/23/2017 0.14
9/24/2017 0.00
9/25/2017 0.00
9/26/2017 0.00
9/27/2017 0.00
9/28/2017 0.00
9/29/2017 0.00
9/30/2017 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2016 9:35 AM 0.01 M M M M
10/2/2016 9:30 AM 0.09 M M M M
10/3/2016 9:25 AM 0.14 M M M M
10/4/2016 9:05 AM 0.27 M M M M
10/5/2016 9:30 AM 0.37 M M M M LIGHT RAIN STILL FALLING.
10/6/2016 9:00 AM 0.03 M M M M
10/7/2016 9:50 AM 0.00 0.0 M M M LOW STRATUS CLOUDS. CLOUD CEILING AROUND 500 TO 700 FEET.
10/8/2016 9:50 AM 0.01 M M M M
10/9/2016 9:30 AM 0.00 0.0 M M M
10/10/2016 9:45 AM 0.00 0.0 M M M
10/11/2016 9:25 AM 0.18 1.8 0.12 1.8 0.12
10/12/2016 8:55 AM 0.01 0.1 0.01 M M HEAVY FROST. LOW 19 DGREES FAHRENHEIT
10/13/2016 9:00 AM 0.00 0.0 M M M
10/14/2016 9:55 AM 0.00 0.0 M M M EXTREMELY WARM - 65 DEGREES. WINDS GUSTING TO 31 MPH FROM SW.
10/15/2016 8:30 AM 0.04 M M M M
10/16/2016 9:30 AM 0.07 M M M M
10/17/2016 9:00 AM 0.02 M M M M
10/18/2016 9:30 AM T 0.0 M M M
10/19/2016 8:45 AM 0.14 M M M M
10/20/2016 9:30 AM 0.00 0.0 M M M
10/21/2016 9:30 AM 0.00 0.0 M M M
10/22/2016 9:30 AM 0.00 0.0 M M M
10/23/2016 9:00 AM 0.00 0.0 M M M
10/24/2016 9:15 AM 0.00 0.0 M M M
10/25/2016 9:00 AM 0.00 0.0 M M M
10/26/2016 9:00 AM 0.03 M M M M
10/27/2016 9:00 AM T M M M M
10/28/2016 9:00 AM T M M M M
10/29/2016 9:45 AM 0.00 0.0 M M M
10/30/2016 9:30 AM 0.00 0.0 M M M
10/31/2016 9:00 AM 0.50 M M M M
11/1/2016 8:30 AM T M M M M
11/2/2016 9:00 AM 0.00 0.0 M M M
11/3/2016 9:45 AM 0.00 0.0 M M M
11/4/2016 9:00 AM 0.00 0.0 M M M SKY OVERCAST WITH HIGH THIN CIRRUS CLOUDS. ALSO CONSIDERABLE CONTRAILS.
11/5/2016 9:30 AM 0.00 0.0 M M M
11/6/2016 10:00 AM 0.00 0.0 M M M
11/7/2016 8:00 AM 0.00 0.0 M M M
11/8/2016 9:00 AM 0.00 0.0 M M M
11/9/2016 9:00 AM 0.00 0.0 M M M
11/10/2016 8:45 AM 0.00 0.0 M M M
11/11/2016 8:45 AM 0.00 0.0 M M M
11/12/2016 8:55 AM 0.00 0.0 M M M
11/13/2016 9:00 AM 0.00 0.0 M M M
11/14/2016 9:00 AM 0.00 0.0 M M M
11/15/2016 9:00 AM 0.02 M M M M
11/16/2016 9:30 AM T M M M M
11/17/2016 9:00 AM 0.00 0.0 M M M
11/18/2016 9:25 AM 0.00 0.0 M M M
11/19/2016 9:10 AM 0.00 0.0 M M M
11/20/2016 9:30 AM 0.00 0.0 M M M
11/21/2016 9:00 AM 0.00 0.0 M M M
11/22/2016 8:55 AM 0.00 0.0 M M M
11/23/2016 10:00 AM 0.00 0.0 M M M
11/24/2016 9:20 AM T M M M M
11/25/2016 9:00 AM 0.00 0.0 M M M
11/26/2016 10:00 AM 0.00 0.0 M M M
11/27/2016 9:30 AM 0.00 0.0 M M M
11/28/2016 9:00 AM 0.00 0.0 M M M
11/29/2016 9:30 AM T T M M M
11/30/2016 9:10 AM T M M M M
12/1/2016 10:00 AM T M M M M
12/2/2016 9:00 AM 0.00 0.0 M M M
12/3/2016 9:20 AM T T M M M
12/4/2016 10:00 AM T T M M M
12/5/2016 9:25 AM 0.16 2.1 0.16 M M
12/6/2016 9:45 AM 0.02 0.2 0.02 2.0 M
12/7/2016 8:40 AM T M M 2.0 M
12/8/2016 9:30 AM T M M 2.0 M
12/9/2016 9:20 AM 0.07 1.2 0.07 3.0 M
12/10/2016 9:30 AM T T M 2.5 M
12/11/2016 9:30 AM 0.01 0.1 0.01 2.0 M
12/12/2016 9:45 AM 0.03 0.4 0.03 3.0 0.15 LIGHT SNOW FALLING. SUN DIMLY VISIBLE.
12/13/2016 9:20 AM 0.38 7.2 0.38 9.0 M LIGHT SNOW FALLING.
12/14/2016 8:50 AM 0.02 0.4 0.02 7.0 M
12/15/2016 8:10 AM 0.27 4.2 0.27 10.0 M LIGHT SNOW FALLING
12/16/2016 9:10 AM 0.15 2.5 0.15 11.0 M LIGHT SNOW FALLING.
12/17/2016 9:45 AM 0.01 0.1 0.01 10.0 M LOW TEMPERATURE -27 DEGREES F.
12/18/2016 9:40 AM 0.00 0.0 M 9.5 M
12/19/2016 9:15 AM 0.00 0.0 M 8.5 0.82
12/20/2016 9:20 AM 0.00 0.0 M 8.0 M
12/21/2016 9:45 AM 0.01 M M 6.5 M FREEZING RAIN. WIND GUST TO 53 MPH ON 12/20/2016.
12/22/2016 9:40 AM 0.00 0.0 M 6.5 M
12/23/2016 9:45 AM 0.00 0.0 M 6.5 M
12/24/2016 9:35 AM 0.00 0.0 M 6.5 M
12/25/2016 9:50 AM 0.29 3.5 0.29 9.0 M VERY LIGHT SNOW FALLING.
12/26/2016 9:20 AM T T T 9.0 1.37
12/27/2016 9:35 AM 0.00 0.0 M 8.5 M
12/28/2016 9:50 AM T 0.1 T 7.0 M DRIFTING SNOW. WIND GUSTS TO 35 MPH.
12/29/2016 10:00 AM 0.00 0.0 M 6.5 M
12/30/2016 9:50 AM 0.00 0.0 M 6.0 M
12/31/2016 9:55 AM 0.00 0.0 M 6.0 M
1/1/2017 9:00 AM T M M 6.0 M VERY LIGHT SNOW BEGAN AT 8:45 AM.
1/2/2017 9:30 AM 0.06 0.6 0.06 7.0 1.34
1/3/2017 10:00 AM 0.01 0.1 0.01 7.0 M
1/4/2017 9:45 AM T T M 7.0 M
1/5/2017 10:00 AM 0.00 0.0 M 7.0 M
1/6/2017 10:00 AM 0.00 0.0 M 7.0 M
1/7/2017 9:45 AM 0.00 0.0 M 7.0 M
1/8/2017 9:25 AM 0.14 2.5 0.14 9.5 M
1/9/2017 9:15 AM 0.15 1.3 0.15 9.0 1.64 FREEZING RAIN OCCURRED EARLY THIS MORNING.
1/10/2017 9:45 AM 0.05 0.5 0.05 9.5 M
1/11/2017 9:05 AM 0.08 1.3 0.08 11.0 M
1/12/2017 9:30 AM T M M 10.5 M
1/13/2017 9:45 AM 0.00 0.0 M 10.5 M Low temperature -15 degrees Fahrenheit.
1/14/2017 9:30 AM 0.00 0.0 M 10.5 M
1/15/2017 9:30 AM 0.00 0.0 M 10.5 1.57
1/16/2017 9:40 AM 0.00 0.0 M 10.5 1.42
1/17/2017 10:00 AM 0.00 0.0 M 10.5 M
1/18/2017 9:30 AM 0.00 0.0 M 10.5 M
1/19/2017 9:50 AM 0.00 0.0 M 10.5 M
1/20/2017 9:15 AM 0.00 0.0 M 10.5 M
1/21/2017 9:00 AM 0.00 0.0 M 10.0 M
1/22/2017 9:50 AM 0.00 0.0 M 10.0 M
1/23/2017 9:00 AM 0.03 0.3 0.03 10.5 1.67
1/24/2017 9:30 AM 0.00 0.0 M 10.0 M
1/25/2017 9:30 AM 0.00 0.0 M 10.0 M
1/26/2017 9:40 AM 0.00 0.0 M 10.0 M
1/27/2017 10:00 AM 0.00 0.0 M 10.0 M
1/28/2017 9:30 AM 0.00 0.0 M 9.5 M
1/29/2017 10:00 AM 0.00 0.0 M 9.5 M
1/30/2017 9:45 AM 0.00 0.0 M 9.5 1.77
1/31/2017 9:00 AM 0.07 1.3 0.07 10.5 M LIGHT SNOWING FALLING AT TIME OF OBSERVATION.
2/1/2017 9:00 AM 0.06 0.7 0.06 11.0 M
2/2/2017 9:15 AM 0.00 0.0 M 11.0 M
2/3/2017 10:00 AM 0.00 0.0 M 11.0 M
2/4/2017 9:00 AM 0.16 3.0 0.16 13.0 M
2/5/2017 9:15 AM 0.01 0.1 0.01 13.0 M
2/6/2017 9:15 AM T M M 12.0 2.39
2/7/2017 9:00 AM 0.26 2.4 0.26 13.0 M
2/8/2017 9:00 AM 0.08 1.0 0.08 14.0 M
2/9/2017 8:50 AM T M M 14.0 M FREEZING RAIN. SLICK SPOTS ON ROADS AND SIDEWALKS.
2/10/2017 9:30 AM 0.04 M M 10.0 M
2/11/2017 8:50 AM 0.01 0.1 0.01 9.5 M
2/12/2017 9:45 AM 0.00 0.0 M 9.5 M
2/13/2017 9:30 AM 0.00 0.0 M 9.0 2.39
2/14/2017 9:30 AM 0.00 0.0 M 9.0 M
2/15/2017 9:20 AM 0.00 0.0 M 9.0 M
2/16/2017 8:35 AM 0.00 0.0 M 9.0 M
2/17/2017 9:00 AM 0.00 0.0 M 7.5 M
2/18/2017 8:30 AM 0.00 0.0 M 7.0 M
2/19/2017 9:30 AM 0.00 0.0 M 6.0 M
2/20/2017 8:50 AM 0.00 0.0 M 5.0 1.23
2/21/2017 8:50 AM 0.01 0.0 M 4.0 M
2/22/2017 8:50 AM T M M 2.5 M
2/23/2017 8:25 AM 0.00 0.0 M 2.0 M
2/24/2017 8:30 AM T M M 2.0 M
2/25/2017 8:45 AM 0.00 0.0 M 2.0 M
2/26/2017 8:50 AM 0.00 0.0 M 1.5 M
2/27/2017 8:30 AM 0.22 2.0 0.22 3.5 0.36
2/28/2017 8:40 AM 0.00 0.0 M 3.5 M
3/1/2017 9:00 AM T T M 3.5 M
3/2/2017 10:00 AM 0.00 0.0 M 1.5 M
3/3/2017 8:55 AM 0.00 0.0 M 1.5 M
3/4/2017 8:20 AM 0.00 0.0 M 0.5 M
3/5/2017 9:30 AM T M M M M
3/6/2017 8:40 AM T M M M M
3/7/2017 9:00 AM T T M M M
3/8/2017 8:30 AM 0.02 M M M M RAIN & SNOW MIXED.
3/9/2017 8:50 AM 0.15 1.8 0.15 2.0 0.15 LIGHT SNOW FALLING. SUN DIMLY VISIBLE.
3/10/2017 8:30 AM 0.23 2.0 0.23 3.5 M SOME FREEZING RAIN OVERNIGHT.
3/11/2017 10:00 AM 0.00 0.0 M 2.5 M
3/12/2017 10:00 AM T M M 1.5 M
3/13/2017 9:45 AM 0.00 0.0 M M M
3/14/2017 9:30 AM T M M M M
3/15/2017 8:15 AM T M M M M
3/16/2017 9:45 AM 0.01 M M M M
3/17/2017 8:15 AM 0.00 0.0 M M M
3/18/2017 9:45 AM 0.00 0.0 M M M
3/19/2017 10:00 AM 0.00 0.0 M M M
3/20/2017 8:50 AM 0.00 0.0 M M M
3/21/2017 9:45 AM 0.00 0.0 M M M
3/22/2017 9:50 AM 0.00 0.0 M M M
3/23/2017 9:50 AM 0.00 0.0 M M M
3/24/2017 10:00 AM 0.00 0.0 M M M
3/25/2017 9:45 AM 0.01 M M M M
3/26/2017 9:15 AM 0.00 0.0 M M M
3/27/2017 9:35 AM 0.00 0.0 M M M
3/28/2017 9:30 AM T M M M M
3/29/2017 10:00 AM 0.00 0.0 M M M
3/30/2017 9:05 AM T M M M M
3/31/2017 9:10 AM 0.03 M M M M
4/1/2017 9:40 AM T M M M M
4/2/2017 10:00 AM 0.00 0.0 M M M
4/3/2017 9:30 AM 0.00 0.0 M M M
4/4/2017 9:45 AM T T M M M
4/5/2017 9:50 AM 0.00 0.0 M M M
4/6/2017 8:30 AM 0.00 0.0 M M M
4/7/2017 10:00 AM 0.00 0.0 M M M
4/10/2017 9:45 AM 0.00 0.0 M M M
4/11/2017 10:00 AM 0.01 M M M M
4/12/2017 9:55 AM 0.01 M M M M
4/13/2017 9:45 AM 0.00 0.0 M M M
4/14/2017 9:55 AM 0.31 M M M M
4/15/2017 9:40 AM 0.00 0.0 M M M
4/16/2017 9:40 AM 0.00 0.0 M M M
4/17/2017 9:40 AM 0.02 M M M M
4/18/2017 9:45 AM 0.02 M M M M
4/19/2017 9:30 AM 0.02 M M M M
4/20/2017 10:00 AM 0.00 0.0 M M M
4/21/2017 9:40 AM 0.05 M M M M
4/22/2017 8:55 AM 0.02 M M M M
4/23/2017 10:00 AM T M M M M
4/24/2017 9:10 AM 0.03 M M M M
4/25/2017 10:00 AM 0.04 M M M M
4/26/2017 9:10 AM 0.01 M M M M
4/27/2017 9:10 AM 0.04 M M M M
4/28/2017 9:00 AM 0.01 M M M M
4/29/2017 9:40 AM 0.02 M M M M
4/30/2017 9:40 AM 0.00 0.0 M M M
5/1/2017 9:40 AM 0.00 0.0 M M M
5/2/2017 9:20 AM T M M M M
5/3/2017 8:35 AM 0.00 0.0 M M M
5/4/2017 9:50 AM 0.00 0.0 M M M
5/5/2017 9:30 AM 0.00 0.0 M M M
5/6/2017 9:25 AM T M M M M
5/7/2017 9:30 AM 0.03 M M M M
5/8/2017 9:35 AM 0.13 M M M M
5/9/2017 9:25 AM 0.00 0.0 M M M
5/10/2017 9:00 AM 0.00 0.0 M M M
5/11/2017 9:05 AM 0.00 0.0 M M M
5/12/2017 8:50 AM 0.00 0.0 M M M
5/13/2017 9:05 AM 0.06 M M M M
5/14/2017 9:05 AM T M M M M
5/15/2017 9:40 AM 0.00 0.0 M M M
5/16/2017 10:00 AM 0.00 0.0 M M M
5/17/2017 10:00 AM 0.80 M M M M
5/18/2017 9:05 AM 0.59 M M M M
5/19/2017 10:00 AM 0.00 0.0 M M M
5/20/2017 9:45 AM 0.00 0.0 M M M
5/21/2017 9:20 AM 0.10 M M M M
5/22/2017 9:30 AM 0.00 0.0 M M M
5/23/2017 9:10 AM 0.00 0.0 M M M
5/24/2017 9:30 AM 0.00 0.0 M M M
5/25/2017 9:00 AM 0.00 0.0 M M M
5/26/2017 9:40 AM 0.00 0.0 M M M
5/27/2017 9:25 AM T M M M M
5/28/2017 9:50 AM 0.00 0.0 M M M
5/29/2017 9:30 AM 0.00 0.0 M M M
5/30/2017 9:30 AM 0.00 0.0 M M M
5/31/2017 9:55 AM 0.00 0.0 M M M
6/1/2017 10:00 AM T M M M M
6/2/2017 9:45 AM T M M M M Some brief heavy showers downtown Helena yesterday afternoon.
6/3/2017 9:45 AM 0.00 0.0 M M M
6/4/2017 9:35 AM 0.00 0.0 M M M
6/5/2017 9:50 AM 0.19 M M M M
6/6/2017 9:30 AM 0.00 0.0 M M M
6/7/2017 9:30 AM 0.00 0.0 M M M
6/8/2017 9:45 AM 0.00 0.0 M M M
6/9/2017 9:30 AM 0.00 0.0 M M M
6/10/2017 10:00 AM T M M M M
6/11/2017 10:00 AM 0.00 0.0 M M M
6/12/2017 9:25 AM 0.00 0.0 M M M
6/13/2017 9:45 AM 0.79 M M M M
6/14/2017 8:45 AM 0.06 M M M M
6/15/2017 9:20 AM 0.00 0.0 M M M
6/16/2017 9:30 AM 0.00 0.0 M M M
6/17/2017 10:00 AM 0.00 0.0 M M M
6/18/2017 10:00 AM 0.00 0.0 M M M
6/19/2017 9:35 AM 0.00 0.0 M M M
6/20/2017 10:00 AM 0.01 0.0 M M M
6/21/2017 10:00 AM 0.00 0.0 M M M
6/22/2017 9:50 AM 0.00 0.0 M M M
6/23/2017 9:25 AM 0.00 0.0 M M M
6/24/2017 9:20 AM 0.00 0.0 M M M
6/25/2017 10:00 AM 0.00 0.0 M M M
6/26/2017 10:00 AM 0.00 0.0 M M M
6/27/2017 9:15 AM 0.00 0.0 M M M
6/28/2017 9:15 AM T 0.0 M M M
6/29/2017 10:00 AM 0.00 0.0 M M M
6/30/2017 9:00 AM 0.00 0.0 M M M
7/1/2017 9:05 AM 0.00 0.0 M M M
7/2/2017 9:20 AM 0.00 0.0 M M M
7/3/2017 9:25 AM 0.00 0.0 M M M
7/4/2017 10:00 AM 0.00 0.0 M M M
7/5/2017 10:00 AM 0.00 0.0 M M M
7/6/2017 10:00 AM 0.03 M M M M Wind gust to 58 MPH. Earthquake experienced around 12:30 AM. Some cans knocked from shelves.
7/7/2017 9:20 AM 0.01 M M M M
7/8/2017 9:50 AM 0.00 0.0 M M M
7/9/2017 10:00 AM 0.00 0.0 M M M
7/10/2017 9:35 AM 0.07 M M M M
7/11/2017 9:35 AM 0.01 M M M M
7/12/2017 10:00 AM 0.00 0.0 M M M
7/13/2017 10:00 AM 0.00 0.0 M M M
7/14/2017 9:40 AM 0.00 0.0 M M M
7/15/2017 10:00 AM 0.00 0.0 M M M
7/16/2017 10:00 AM 0.15 M M M M WIND GUST TO 48 MPH AROUND 7 PM.
7/17/2017 9:40 AM 0.00 0.0 M M M
7/18/2017 9:45 AM 0.00 0.0 M M M
7/19/2017 9:35 AM 0.04 M M M M PEAS SIZED HAIL.
7/20/2017 9:05 AM 0.00 0.0 M M M
7/21/2017 9:10 AM 0.00 0.0 M M M
7/22/2017 9:15 AM 0.00 0.0 M M M
7/23/2017 9:25 AM 0.00 0.0 M M M
7/24/2017 10:00 AM 0.00 0.0 M M M
7/25/2017 9:30 AM 0.00 0.0 M M M
7/26/2017 10:00 AM 0.00 0.0 M M M
7/27/2017 9:10 AM 0.00 0.0 M M M
7/28/2017 10:45 AM T 0.0 M M M
7/29/2017 9:30 AM 0.00 0.0 M M M
7/30/2017 9:35 AM 0.00 0.0 M M M
7/31/2017 9:25 AM 0.00 0.0 M M M
8/1/2017 10:00 AM 0.00 0.0 M M M
8/2/2017 10:00 AM 0.00 0.0 M M M
8/3/2017 9:30 AM 0.00 0.0 M M M
8/4/2017 9:40 AM 0.00 0.0 M M M
8/5/2017 9:45 AM 0.00 0.0 M M M
8/6/2017 10:00 AM 0.00 0.0 M M M
8/7/2017 9:25 AM 0.00 0.0 M M M
8/8/2017 10:00 AM 0.00 0.0 M M M
8/9/2017 10:00 AM 0.00 0.0 M M M
8/10/2017 9:15 AM 0.00 0.0 M M M
8/11/2017 10:00 AM 0.00 0.0 M M M
8/12/2017 10:00 AM T M M M M
8/13/2017 10:00 AM 0.00 0.0 M M M
8/14/2017 9:45 AM T M M M M
8/15/2017 9:45 AM 0.00 0.0 M M M
8/16/2017 9:55 AM 0.00 0.0 M M M
8/17/2017 9:55 AM 0.00 0.0 M M M
8/18/2017 9:45 AM 0.00 0.0 M M M
8/19/2017 10:00 AM 0.00 0.0 M M M
8/20/2017 9:10 AM 0.00 0.0 M M M
8/21/2017 10:00 AM 0.00 0.0 M M M
8/22/2017 9:35 AM 0.00 0.0 M M M
8/23/2017 9:05 AM 0.00 0.0 M M M
8/24/2017 8:40 AM 0.00 0.0 M M M
8/25/2017 8:25 AM 0.00 0.0 M M M
8/26/2017 10:00 AM 0.00 0.0 M M M
8/27/2017 9:30 AM 0.00 0.0 M M M
8/28/2017 10:00 AM 0.00 0.0 M M M
8/29/2017 10:00 AM 0.00 0.0 M M M
8/30/2017 10:00 AM 0.00 0.0 M M M
8/31/2017 9:05 AM T M M M M Wind gust 43 MPH between 6 and 6:30 PM Aug 30, 2017.
9/1/2017 9:25 AM 0.00 0.0 M M M
9/2/2017 9:35 AM 0.00 0.0 M M M
9/3/2017 10:00 AM 0.00 0.0 M M M
9/4/2017 9:35 AM 0.00 0.0 M M M
9/5/2017 9:30 AM 0.00 0.0 M M M
9/6/2017 9:40 AM 0.00 0.0 M M M
9/7/2017 9:45 AM 0.00 0.0 M M M
9/8/2017 9:10 AM 0.00 0.0 M M M
9/9/2017 9:30 AM 0.00 0.0 M M M
9/10/2017 9:50 AM 0.01 M M M M
9/11/2017 9:45 AM 0.00 0.0 M M M
9/12/2017 9:15 AM 0.00 0.0 M M M
9/13/2017 9:05 AM T M M M M
9/14/2017 9:35 AM 0.16 M M M M
9/15/2017 9:10 AM 0.66 M M M M
9/16/2017 2:00 PM 0.62 M M M M
9/17/2017 10:00 AM 0.00 0.0 M M M
9/18/2017 9:20 AM 0.00 0.0 M M M
9/19/2017 9:15 AM T M M M M
9/20/2017 9:55 AM T M M M M
9/21/2017 9:50 AM 0.07 M M M M
9/22/2017 10:00 AM 0.04 M M M M RAIN AND SNOW MIXED.
9/23/2017 10:00 AM 0.14 M M M M
9/24/2017 10:00 AM 0.00 0.0 M M M
9/25/2017 8:45 AM 0.00 0.0 M M M
9/26/2017 9:50 AM 0.00 0.0 M M M
9/27/2017 9:15 AM 0.00 0.0 M M M
9/28/2017 9:40 AM 0.00 0.0 M M M
9/29/2017 9:45 AM 0.00 0.0 M M M
9/30/2017 9:30 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
4/8/2017 4/09/2017 10:00 AM 2 0.18 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