Station Overview Station Location
Station Number ND-MK-1 Latitude 47.4
Station Name Grassy Butte 2 ENE Longitude -103.21
County McKenzie Elevation (ft) 2624



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 1.22 0.43 1 0.43 1 0.00 0 0 1 0 0.0 0 0
Nov 11 0.62 0.12 1 0.12 1 0.00 0 0 1 0 1.6 1 1
Dec 11 0.47 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 12 0.39 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 12 0.37 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 12 0.73 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 12 1.14 1.37 6 1.37 6 0.00 0 0 6 0 0.1 1 0
May 12 2.33 0.65 2 0.65 2 0.00 0 0 2 0 0.0 0 0
June 12 3.20 1.27 5 1.27 5 0.00 0 0 5 0 0.0 0 0
July 12 2.45 1.37 3 1.37 3 0.00 0 0 3 0 0.0 0 0
Aug 12 1.64 1.10 4 1.10 4 0.00 0 0 4 0 0.0 0 0
Sept 12 1.37 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 15.93" 6.31" 22 days 6.31" 22 0.00" 0 days 0 22 days 0 days 1.7" 2 days 1 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 0.43
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
11/21/2011
11/22/2011
11/23/2011
11/24/2011
11/25/2011
11/26/2011
11/27/2011
11/28/2011
11/29/2011
11/30/2011 0.12
12/1/2011
12/2/2011
12/3/2011
12/4/2011
12/5/2011
12/6/2011
12/7/2011
12/8/2011
12/9/2011
12/10/2011
12/11/2011
12/12/2011
12/13/2011
12/14/2011
12/15/2011
12/16/2011
12/17/2011
12/18/2011
12/19/2011
12/20/2011
12/21/2011
12/22/2011
12/23/2011
12/24/2011
12/25/2011
12/26/2011
12/27/2011
12/28/2011
12/29/2011
12/30/2011
12/31/2011
Day of YearDaily PrcpMultiday Prcp
1/1/2012
1/2/2012
1/3/2012
1/4/2012
1/5/2012
1/6/2012
1/7/2012
1/8/2012
1/9/2012
1/10/2012
1/11/2012
1/12/2012
1/13/2012
1/14/2012
1/15/2012
1/16/2012
1/17/2012
1/18/2012
1/19/2012
1/20/2012
1/21/2012
1/22/2012
1/23/2012
1/24/2012
1/25/2012
1/26/2012
1/27/2012
1/28/2012
1/29/2012
1/30/2012
1/31/2012
2/1/2012
2/2/2012
2/3/2012
2/4/2012
2/5/2012
2/6/2012
2/7/2012
2/8/2012
2/9/2012
2/10/2012
2/11/2012
2/12/2012
2/13/2012
2/14/2012
2/15/2012
2/16/2012
2/17/2012
2/18/2012
2/19/2012
2/20/2012
2/21/2012
2/22/2012
2/23/2012
2/24/2012
2/25/2012
2/26/2012
2/27/2012
2/28/2012
2/29/2012
3/1/2012
3/2/2012
3/3/2012
3/4/2012
3/5/2012
3/6/2012
3/7/2012
3/8/2012
3/9/2012
3/10/2012
3/11/2012
3/12/2012
3/13/2012
3/14/2012
3/15/2012
3/16/2012
3/17/2012
3/18/2012
3/19/2012
3/20/2012
3/21/2012
3/22/2012
3/23/2012
3/24/2012
3/25/2012
3/26/2012
3/27/2012
3/28/2012
3/29/2012
3/30/2012
3/31/2012
Day of YearDaily PrcpMultiday Prcp
4/1/2012
4/2/2012
4/3/2012
4/4/2012
4/5/2012
4/6/2012 0.30
4/7/2012
4/8/2012
4/9/2012
4/10/2012
4/11/2012
4/12/2012
4/13/2012 0.05
4/14/2012
4/15/2012
4/16/2012
4/17/2012
4/18/2012
4/19/2012 0.28
4/20/2012 0.08
4/21/2012
4/22/2012
4/23/2012
4/24/2012
4/25/2012
4/26/2012
4/27/2012 0.36
4/28/2012 0.30
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
5/10/2012
5/11/2012
5/12/2012
5/13/2012
5/14/2012
5/15/2012
5/16/2012
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 0.44
5/27/2012
5/28/2012
5/29/2012
5/30/2012 0.21
5/31/2012
6/1/2012
6/2/2012
6/3/2012 0.20
6/4/2012
6/5/2012
6/6/2012
6/7/2012
6/8/2012
6/9/2012
6/10/2012 0.16
6/11/2012
6/12/2012
6/13/2012
6/14/2012
6/15/2012 0.07
6/16/2012
6/17/2012
6/18/2012
6/19/2012 0.76
6/20/2012 0.08
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 0.93
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
7/21/2012
7/22/2012
7/23/2012
7/24/2012 0.40
7/25/2012
7/26/2012
7/27/2012
7/28/2012
7/29/2012
7/30/2012
7/31/2012 0.04
8/1/2012 0.07
8/2/2012 0.05
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 0.91
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
8/21/2012
8/22/2012
8/23/2012
8/24/2012 0.07
8/25/2012
8/26/2012
8/27/2012
8/28/2012
8/29/2012
8/30/2012
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
10/7/2011 6:00 PM 0.43 M M M M Rain from pre-dawn, rowdy thunderstorm. Annual precipitation now a record 24.80 inches.
11/30/2011 5:00 PM 0.12 1.6 0.12 1.5 0.12 No snow on the ground until it began to snow at 8a.m. MST this morning, then light to moderate snow 'til observation time. First substantial snow of the season, a major contrast with last winter when 22.6 inches had already fallen with 10 inches on the ground.
4/6/2012 6:00 PM 0.30 M M M M Today's rainfall was the greatest one-day such event since October 7, and also the first time thunder echoed over my landscape since that same October day.
4/13/2012 6:00 PM 0.05 M M M M Very light rain last evening/night.
4/19/2012 6:00 PM 0.28 M M M M Very light rain all of last night, a few snowflakes shortly after sunrise.
4/20/2012 6:00 PM 0.08 M M M M Very light rain...
4/27/2012 6:00 PM 0.36 M M M M Very light rain & drizzle...nothing ever heavy.
4/28/2012 6:00 PM 0.30 0.1 0.01 0.0 0.00 With the exception of heavier rain last evening, precipitation has been light or drizzle. Snow fell at 8a.m. this morning for 20 or so minutes, moderately heavy for a few minutes.
5/26/2012 6:00 PM 0.44 M M M M Light rain most of last night & today...max temperature today of 42F at my NWS Co-op Weather Station.
5/30/2012 6:00 PM 0.21 M M M M Light rain throughout event.
6/3/2012 6:00 PM 0.20 M M M M Rain with thunder last night.
6/10/2012 6:00 PM 0.16 M M M M Rainfall occurred last night with a few sprinkles late today.
6/15/2012 6:00 PM 0.07 M M M M The majority of rain from this event occurred after my 6p.m.MDT observation time, to be continued tomorrow.
6/19/2012 6:00 PM 0.76 M M M M This was the greatest one-day rainfall event since September 20.
6/20/2012 6:00 PM 0.08 M M M M Light rain showers....
7/6/2012 6:00 PM 0.93 M M M M A very welcome rain with no stormy weather issues.
7/24/2012 6:00 PM 0.40 M M M M No severe weather with this event....
7/31/2012 6:00 PM 0.04 M M M M Pre-dawn thundershower accompanied by the strong odor of wildfire smoke.
8/1/2012 6:00 PM 0.07 M M M M Thunder & light rain from sunrise 'til 2p.m.
8/2/2012 6:00 PM 0.05 M M M M Thunder when light rain began, then occasional light showers 'til day's end.
8/11/2012 6:00 PM 0.91 M M M M Most one day rainfall since September 20, 2011.
8/24/2012 6:00 PM 0.07 M M M M Lightning/thunder w/light rain, still very dry in northern badlands.



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