Station Overview Station Location
Station Number MT-YS-9 Latitude 45.84085
Station Name Billings 5.3 NE (Closed/YS-28) Longitude -108.454583
County Yellowstone Elevation (ft) 3156



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 09 1.23 1.71 9 1.41 7 0.30 2 1 4 0 0.0 0 0
Nov 09 0.61 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 09 0.51 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 10 0.46 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 10 0.48 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 10 1.00 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 10 1.61 1.55 25 1.31 23 0.24 2 1 7 1 0.0 0 0
May 10 2.18 2.13 28 1.95 20 0.18 8 3 11 1 0.0 0 0
June 10 2.13 4.65 18 3.46 12 1.19 6 3 8 1 0.0 0 0
July 10 1.32 0.88 12 0.70 10 0.18 2 1 3 1 0.0 0 0
Aug 10 0.76 2.32 24 2.08 14 0.24 10 1 8 0 0.0 0 0
Sept 10 1.32 0.99 28 0.75 26 0.24 2 1 7 1 0.0 0 0
Water Year Totals: 13.61" 14.23" 144 days 11.66" 112 2.57" 32 days 11 48 days 5 days 0.0" 0 days 0 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
10/1/2009 0.37
10/2/2009 0.00
10/3/2009 0.00
10/4/2009 0.00
10/5/2009 0.35
10/6/2009 0.60
10/7/2009 **
10/8/2009 0.30
10/9/2009 0.09
10/10/2009
10/11/2009
10/12/2009
10/13/2009
10/14/2009
10/15/2009
10/16/2009
10/17/2009
10/18/2009
10/19/2009
10/20/2009
10/21/2009
10/22/2009
10/23/2009
10/24/2009
10/25/2009
10/26/2009
10/27/2009
10/28/2009
10/29/2009
10/30/2009
10/31/2009
11/1/2009
11/2/2009
11/3/2009
11/4/2009
11/5/2009
11/6/2009
11/7/2009
11/8/2009
11/9/2009
11/10/2009
11/11/2009
11/12/2009
11/13/2009
11/14/2009
11/15/2009
11/16/2009
11/17/2009
11/18/2009
11/19/2009
11/20/2009
11/21/2009
11/22/2009
11/23/2009
11/24/2009
11/25/2009
11/26/2009
11/27/2009
11/28/2009
11/29/2009
11/30/2009
12/1/2009
12/2/2009
12/3/2009
12/4/2009
12/5/2009
12/6/2009
12/7/2009
12/8/2009
12/9/2009
12/10/2009
12/11/2009
12/12/2009
12/13/2009
12/14/2009
12/15/2009
12/16/2009
12/17/2009
12/18/2009
12/19/2009
12/20/2009
12/21/2009
12/22/2009
12/23/2009
12/24/2009
12/25/2009
12/26/2009
12/27/2009
12/28/2009
12/29/2009
12/30/2009
12/31/2009
Day of YearDaily PrcpMultiday Prcp
1/1/2010
1/2/2010
1/3/2010
1/4/2010
1/5/2010
1/6/2010
1/7/2010
1/8/2010
1/9/2010
1/10/2010
1/11/2010
1/12/2010
1/13/2010
1/14/2010
1/15/2010
1/16/2010
1/17/2010
1/18/2010
1/19/2010
1/20/2010
1/21/2010
1/22/2010
1/23/2010
1/24/2010
1/25/2010
1/26/2010
1/27/2010
1/28/2010
1/29/2010
1/30/2010
1/31/2010
2/1/2010
2/2/2010
2/3/2010
2/4/2010
2/5/2010
2/6/2010
2/7/2010
2/8/2010
2/9/2010
2/10/2010
2/11/2010
2/12/2010
2/13/2010
2/14/2010
2/15/2010
2/16/2010
2/17/2010
2/18/2010
2/19/2010
2/20/2010
2/21/2010
2/22/2010
2/23/2010
2/24/2010
2/25/2010
2/26/2010
2/27/2010
2/28/2010
3/1/2010
3/2/2010
3/3/2010
3/4/2010
3/5/2010
3/6/2010
3/7/2010
3/8/2010
3/9/2010
3/10/2010
3/11/2010
3/12/2010
3/13/2010
3/14/2010
3/15/2010
3/16/2010
3/17/2010
3/18/2010
3/19/2010
3/20/2010
3/21/2010
3/22/2010
3/23/2010
3/24/2010
3/25/2010
3/26/2010
3/27/2010
3/28/2010
3/29/2010
3/30/2010
3/31/2010
Day of YearDaily PrcpMultiday Prcp
4/1/2010
4/2/2010
4/3/2010
4/4/2010
4/5/2010 0.00
4/6/2010 0.00
4/7/2010 0.35
4/8/2010 0.00
4/9/2010 0.00
4/10/2010 0.00
4/11/2010 0.00
4/12/2010 0.00
4/13/2010 0.41
4/14/2010 0.10
4/15/2010 T
4/16/2010 0.00
4/17/2010 0.00
4/18/2010 0.00
4/19/2010 0.00
4/20/2010 0.02
4/21/2010 0.00
4/22/2010
4/23/2010 0.03
4/24/2010 **
4/25/2010 0.24
4/26/2010 0.00
4/27/2010 0.00
4/28/2010 0.07
4/29/2010 0.00
4/30/2010 0.33
5/1/2010 **
5/2/2010 0.01
5/3/2010 0.05
5/4/2010 0.12
5/5/2010 0.01
5/6/2010 **
5/7/2010 **
5/8/2010 **
5/9/2010 0.09
5/10/2010 0.00
5/11/2010 0.02
5/12/2010 0.12
5/13/2010 0.20
5/14/2010 0.00
5/15/2010 0.00
5/16/2010 0.00
5/17/2010 0.00
5/18/2010 0.00
5/19/2010 T
5/20/2010 0.00
5/21/2010 0.02
5/22/2010 **
5/23/2010 0.08
5/24/2010 0.53
5/25/2010 0.75
5/26/2010 0.01
5/27/2010 0.00
5/28/2010
5/29/2010 0.12
5/30/2010
5/31/2010
6/1/2010 0.04
6/2/2010 0.11
6/3/2010 T
6/4/2010 0.04
6/5/2010 0.34
6/6/2010 **
6/7/2010 0.03
6/8/2010 0.01
6/9/2010 0.00
6/10/2010
6/11/2010 1.24
6/12/2010 **
6/13/2010 T
6/14/2010 0.00
6/15/2010
6/16/2010 0.21
6/17/2010 **
6/18/2010 1.16
6/19/2010
6/20/2010
6/21/2010 1.47
6/22/2010 0.00
6/23/2010
6/24/2010
6/25/2010
6/26/2010
6/27/2010
6/28/2010
6/29/2010
6/30/2010
Day of YearDaily PrcpMultiday Prcp
7/1/2010
7/2/2010
7/3/2010
7/4/2010
7/5/2010
7/6/2010
7/7/2010
7/8/2010
7/9/2010 0.00
7/10/2010 **
7/11/2010 0.18
7/12/2010
7/13/2010
7/14/2010
7/15/2010
7/16/2010
7/17/2010
7/18/2010
7/19/2010
7/20/2010
7/21/2010 0.00
7/22/2010 0.61
7/23/2010
7/24/2010
7/25/2010 0.00
7/26/2010 0.00
7/27/2010 0.02
7/28/2010 0.07
7/29/2010 T
7/30/2010 0.00
7/31/2010 0.00
8/1/2010 0.04
8/2/2010 0.04
8/3/2010
8/4/2010
8/5/2010
8/6/2010
8/7/2010
8/8/2010
8/9/2010
8/10/2010 0.12
8/11/2010 0.00
8/12/2010
8/13/2010 0.01
8/14/2010 0.14 **
8/15/2010 **
8/16/2010 **
8/17/2010 **
8/18/2010 **
8/19/2010 **
8/20/2010 **
8/21/2010 **
8/22/2010 **
8/23/2010 0.24
8/24/2010 0.00
8/25/2010 0.00
8/26/2010 0.00
8/27/2010 0.00
8/28/2010 0.00
8/29/2010 0.21
8/30/2010 0.42
8/31/2010 1.10
9/1/2010 0.06
9/2/2010 0.20
9/3/2010 0.00
9/4/2010 0.00
9/5/2010 **
9/6/2010 0.24
9/7/2010 0.00
9/8/2010 0.00
9/9/2010 0.00
9/10/2010 0.19
9/11/2010 T
9/12/2010 0.00
9/13/2010 0.00
9/14/2010 0.00
9/15/2010 0.16
9/16/2010 0.00
9/17/2010 0.01
9/18/2010 0.12
9/19/2010
9/20/2010
9/21/2010 0.00
9/22/2010 0.00
9/23/2010 0.01
9/24/2010 0.00
9/25/2010 0.00
9/26/2010 0.00
9/27/2010 0.00
9/28/2010 0.00
9/29/2010 0.00
9/30/2010 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2009 7:00 AM 0.37 M M M M
10/2/2009 7:00 AM 0.00 0.0 M M M
10/3/2009 7:00 AM 0.00 0.0 M M M
10/4/2009 7:00 AM 0.00 0.0 M M M
10/5/2009 7:00 AM 0.35 M M M M
10/6/2009 7:00 AM 0.60 M M M M
10/9/2009 7:00 AM 0.09 M M M M
4/5/2010 8:15 AM 0.00 0.0 M M M
4/6/2010 7:15 AM 0.00 0.0 M M M
4/7/2010 8:15 AM 0.35 M M M M Light, steady rainfall into the evening hours.
4/8/2010 8:10 AM 0.00 0.0 M M M
4/9/2010 8:00 AM 0.00 0.0 M M M
4/10/2010 10:30 AM 0.00 0.0 M M M
4/11/2010 10:00 AM 0.00 0.0 M M M
4/12/2010 8:00 AM 0.00 0.0 M M M
4/13/2010 8:00 AM 0.41 M M M M A little bit of slush fell at some point overnight, and clogged the gauge, but I don't know if that affected rain totals or not. Pretty nice thunder/lightning activity from about 0200 to maybe 0300 or so.
4/14/2010 7:30 AM 0.10 M M M M
4/15/2010 7:50 AM T M M M M
4/16/2010 8:30 AM 0.00 0.0 M M M
4/17/2010 9:00 AM 0.00 0.0 M M M
4/18/2010 9:00 AM 0.00 0.0 M M M
4/19/2010 7:00 AM 0.00 0.0 M M M
4/20/2010 7:20 AM 0.02 M M M M
4/21/2010 8:00 AM 0.00 0.0 M M M
4/23/2010 7:49 AM 0.03 M M M M
4/26/2010 8:00 AM 0.00 0.0 M M M
4/27/2010 8:00 AM 0.00 0.0 M M M
4/28/2010 8:00 AM 0.07 M M M M
4/29/2010 8:00 AM 0.00 0.0 M M M
4/30/2010 7:00 AM 0.33 M M M M
5/3/2010 7:25 AM 0.05 M M M M
5/4/2010 7:20 AM 0.12 M M M M I don't think this is an accurate result, based on the fact that the rain was coming in at ~45-degree angles and not vertical by any stretch. Heavy wind during entire period of rainfall.
5/5/2010 7:00 AM 0.01 M M M M
5/10/2010 7:00 AM 0.00 0.0 M M M
5/11/2010 8:00 AM 0.02 M M M M
5/12/2010 8:00 AM 0.12 M M M M
5/13/2010 8:00 AM 0.20 M M M M
5/14/2010 7:00 AM 0.00 0.0 M M M
5/15/2010 8:00 AM 0.00 0.0 M M M
5/16/2010 8:00 AM 0.00 0.0 M M M
5/17/2010 8:00 AM 0.00 0.0 M M M
5/18/2010 8:00 AM 0.00 0.0 M M M
5/19/2010 7:20 AM T M M M M
5/20/2010 8:00 AM 0.00 0.0 M M M
5/21/2010 8:00 AM 0.02 M M M M
5/24/2010 8:10 AM 0.53 M M M M
5/25/2010 8:00 AM 0.75 M M M M Consistent rain from morning into the evening. Steady rainfall with no real periods of increasing intensity.
5/26/2010 8:30 AM 0.01 M M M M
5/27/2010 9:15 AM 0.00 0.0 M M M
5/29/2010 12:00 PM 0.12 M M M M
6/1/2010 8:00 AM 0.04 M M M M
6/2/2010 8:00 AM 0.11 M M M M
6/3/2010 8:00 AM T M M M M
6/4/2010 8:10 AM 0.04 M M M M A couple of brief evening showers...very isolated.
6/5/2010 12:00 PM 0.34 M M M M
6/8/2010 8:00 AM 0.01 M M M M
6/9/2010 7:50 AM 0.00 0.0 M M M
6/11/2010 8:00 AM 1.24 M M M M
6/14/2010 8:00 AM 0.00 0.0 M M M
6/16/2010 8:30 AM 0.21 M M M M
6/21/2010 7:40 AM 1.47 M M M M I was not at measuring station at the time of most of the rainfall. Initial rain drops were large, with hail starting as pea-sized and quickly moving to tennis/baseball sized.
6/22/2010 8:00 AM 0.00 0.0 M M M
7/9/2010 7:00 AM 0.00 0.0 M M M
7/21/2010 7:00 AM 0.00 0.0 M M M
7/22/2010 6:20 AM 0.61 M M M M
7/25/2010 7:00 AM 0.00 0.0 M M M
7/26/2010 7:00 AM 0.00 0.0 M M M
7/27/2010 8:00 AM 0.02 M M M M
7/28/2010 8:45 AM 0.07 M M M M Shower occurred starting just after 8 PM and continued for 20-30 minutes at a moderate rate. All precipitation fell during tha ttime.
7/29/2010 7:00 AM T M M M M
7/30/2010 7:00 AM 0.00 0.0 M M M
7/31/2010 7:00 AM 0.00 0.0 M M M
8/1/2010 1:30 PM 0.04 M M M M
8/2/2010 8:00 AM 0.04 M M M M
8/10/2010 7:00 AM 0.12 M M M M
8/11/2010 8:00 AM 0.00 0.0 M M M
8/13/2010 8:00 AM 0.01 M M M M
8/14/2010 7:45 AM 0.14 M M M M
8/24/2010 8:00 AM 0.00 0.0 M M M
8/25/2010 7:45 AM 0.00 0.0 M M M
8/26/2010 7:00 AM 0.00 0.0 M M M
8/27/2010 7:00 AM 0.00 0.0 M M M
8/28/2010 8:30 AM 0.00 0.0 M M M
8/29/2010 10:30 AM 0.21 M M M M
8/30/2010 7:02 AM 0.42 M M M M
8/31/2010 7:00 AM 1.10 M M M M
9/1/2010 7:21 AM 0.06 M M M M
9/2/2010 7:45 AM 0.20 M M M M
9/3/2010 8:00 AM 0.00 0.0 M M M
9/4/2010 9:00 AM 0.00 0.0 M M M
9/7/2010 8:00 AM 0.00 0.0 M M M
9/8/2010 8:00 AM 0.00 0.0 M M M
9/9/2010 8:00 AM 0.00 0.0 M M M
9/10/2010 8:00 AM 0.19 M M M M
9/11/2010 9:00 AM T M M M M
9/12/2010 1:00 PM 0.00 0.0 M M M
9/13/2010 8:00 AM 0.00 0.0 M M M
9/14/2010 8:00 AM 0.00 0.0 M M M
9/15/2010 7:00 AM 0.16 M M M M
9/16/2010 7:00 AM 0.00 0.0 M M M
9/17/2010 7:00 AM 0.01 M M M M
9/18/2010 7:00 AM 0.12 M M M M
9/21/2010 8:00 AM 0.00 0.0 M M M
9/22/2010 8:00 AM 0.00 0.0 M M M
9/23/2010 7:30 AM 0.01 M M M M
9/24/2010 7:00 AM 0.00 0.0 M M M
9/25/2010 7:00 AM 0.00 0.0 M M M
9/26/2010 8:00 AM 0.00 0.0 M M M
9/27/2010 7:15 AM 0.00 0.0 M M M
9/28/2010 7:00 AM 0.00 0.0 M M M
9/29/2010 7:00 AM 0.00 0.0 M M M
9/30/2010 7:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/7/2009 10/08/2009 7:00 AM 2 0.30 M M
4/24/2010 4/25/2010 7:30 AM 2 0.24 M M
5/1/2010 5/02/2010 10:30 AM 2 0.01 M M
5/6/2010 5/09/2010 6:40 PM 4 0.09 M M
5/22/2010 5/23/2010 1:00 PM 2 0.08 M M
6/6/2010 6/07/2010 7:45 AM 2 0.03 M M
6/12/2010 6/13/2010 6:00 PM 2 T M M
6/17/2010 6/18/2010 8:00 AM 2 1.16 M M I forgot to empty it yesterday after we were throttled by a few significant storms that rolled through.
7/10/2010 7/11/2010 8:00 AM 2 0.18 M M
8/14/2010 8/23/2010 9:00 AM 10 0.24 M M Most occurred on 8/22.
9/5/2010 9/06/2010 10:00 AM 2 0.24 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
4/3/2010 1:30 PM 3/8" 1/4" Pea Size Rice Mixed 20 3min no damage Continuous False After rain After smaller hail
8/29/2010 3:55 PM 1" Quarter Size 1/2" Grape 1/4" Pea Size Hard|White Ice 6 1min minor leaf damage False Before rain Same time as smaller hail 10-20