Station Overview Station Location
Station Number ND-WM-9 Latitude 48.1735055
Station Name Williston 1.2 NW Longitude -103.6504856
County Williams Elevation (ft) 1960



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 12 0.94 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 12 0.61 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 12 0.54 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 13 0.56 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 13 0.35 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 13 0.68 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 13 0.94 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 13 1.92 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 13 2.63 3.87 24 3.87 19 0.00 5 2 12 0 0.0 0 0
July 13 2.60 2.08 31 1.35 17 0.73 14 6 7 1 0.0 0 0
Aug 13 1.53 2.55 31 0.75 14 1.80 17 7 3 0 0.0 0 0
Sept 13 1.12 1.97 32 1.29 10 0.68 22 7 3 0 0.0 0 0
Water Year Totals: 14.42" 10.47" 118 days 7.26" 60 3.21" 58 days 22 25 days 1 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
10/1/2012
10/2/2012
10/3/2012
10/4/2012
10/5/2012
10/6/2012
10/7/2012
10/8/2012
10/9/2012
10/10/2012
10/11/2012
10/12/2012
10/13/2012
10/14/2012
10/15/2012
10/16/2012
10/17/2012
10/18/2012
10/19/2012
10/20/2012
10/21/2012
10/22/2012
10/23/2012
10/24/2012
10/25/2012
10/26/2012
10/27/2012
10/28/2012
10/29/2012
10/30/2012
10/31/2012
11/1/2012
11/2/2012
11/3/2012
11/4/2012
11/5/2012
11/6/2012
11/7/2012
11/8/2012
11/9/2012
11/10/2012
11/11/2012
11/12/2012
11/13/2012
11/14/2012
11/15/2012
11/16/2012
11/17/2012
11/18/2012
11/19/2012
11/20/2012
11/21/2012
11/22/2012
11/23/2012
11/24/2012
11/25/2012
11/26/2012
11/27/2012
11/28/2012
11/29/2012
11/30/2012
12/1/2012
12/2/2012
12/3/2012
12/4/2012
12/5/2012
12/6/2012
12/7/2012
12/8/2012
12/9/2012
12/10/2012
12/11/2012
12/12/2012
12/13/2012
12/14/2012
12/15/2012
12/16/2012
12/17/2012
12/18/2012
12/19/2012
12/20/2012
12/21/2012
12/22/2012
12/23/2012
12/24/2012
12/25/2012
12/26/2012
12/27/2012
12/28/2012
12/29/2012
12/30/2012
12/31/2012
Day of YearDaily PrcpMultiday Prcp
1/1/2013
1/2/2013
1/3/2013
1/4/2013
1/5/2013
1/6/2013
1/7/2013
1/8/2013
1/9/2013
1/10/2013
1/11/2013
1/12/2013
1/13/2013
1/14/2013
1/15/2013
1/16/2013
1/17/2013
1/18/2013
1/19/2013
1/20/2013
1/21/2013
1/22/2013
1/23/2013
1/24/2013
1/25/2013
1/26/2013
1/27/2013
1/28/2013
1/29/2013
1/30/2013
1/31/2013
2/1/2013
2/2/2013
2/3/2013
2/4/2013
2/5/2013
2/6/2013
2/7/2013
2/8/2013
2/9/2013
2/10/2013
2/11/2013
2/12/2013
2/13/2013
2/14/2013
2/15/2013
2/16/2013
2/17/2013
2/18/2013
2/19/2013
2/20/2013
2/21/2013
2/22/2013
2/23/2013
2/24/2013
2/25/2013
2/26/2013
2/27/2013
2/28/2013
3/1/2013
3/2/2013
3/3/2013
3/4/2013
3/5/2013
3/6/2013
3/7/2013
3/8/2013
3/9/2013
3/10/2013
3/11/2013
3/12/2013
3/13/2013
3/14/2013
3/15/2013
3/16/2013
3/17/2013
3/18/2013
3/19/2013
3/20/2013
3/21/2013
3/22/2013
3/23/2013
3/24/2013
3/25/2013
3/26/2013
3/27/2013
3/28/2013
3/29/2013
3/30/2013
3/31/2013
Day of YearDaily PrcpMultiday Prcp
4/1/2013
4/2/2013
4/3/2013
4/4/2013
4/5/2013
4/6/2013
4/7/2013
4/8/2013
4/9/2013
4/10/2013
4/11/2013
4/12/2013
4/13/2013
4/14/2013
4/15/2013
4/16/2013
4/17/2013
4/18/2013
4/19/2013
4/20/2013
4/21/2013
4/22/2013
4/23/2013
4/24/2013
4/25/2013
4/26/2013
4/27/2013
4/28/2013
4/29/2013
4/30/2013
5/1/2013
5/2/2013
5/3/2013
5/4/2013
5/5/2013
5/6/2013
5/7/2013
5/8/2013
5/9/2013
5/10/2013
5/11/2013
5/12/2013
5/13/2013
5/14/2013
5/15/2013
5/16/2013
5/17/2013
5/18/2013
5/19/2013
5/20/2013
5/21/2013
5/22/2013
5/23/2013
5/24/2013
5/25/2013
5/26/2013
5/27/2013
5/28/2013
5/29/2013
5/30/2013
5/31/2013
6/1/2013
6/2/2013
6/3/2013
6/4/2013
6/5/2013
6/6/2013
6/7/2013 0.00
6/8/2013 0.04
6/9/2013 0.15
6/10/2013 0.05
6/11/2013 0.00
6/12/2013 0.14
6/13/2013 0.03
6/14/2013 0.21
6/15/2013 0.03
6/16/2013 **
6/17/2013 0.00
6/18/2013 0.03
6/19/2013 0.00
6/20/2013 0.63
6/21/2013 0.69
6/22/2013 0.47
6/23/2013 1.40
6/24/2013 0.00
6/25/2013 0.00
6/26/2013 0.00
6/27/2013 0.00
6/28/2013 **
6/29/2013 0.00
6/30/2013 **
Day of YearDaily PrcpMultiday Prcp
7/1/2013 0.00
7/2/2013 **
7/3/2013 **
7/4/2013 **
7/5/2013 0.00
7/6/2013 0.41
7/7/2013 0.00
7/8/2013 0.03
7/9/2013 **
7/10/2013 0.47
7/11/2013 0.00
7/12/2013 T
7/13/2013 0.00
7/14/2013 0.23
7/15/2013 0.00
7/16/2013 0.20
7/17/2013 0.22
7/18/2013 **
7/19/2013 0.00
7/20/2013 0.24
7/21/2013 0.00
7/22/2013 **
7/23/2013 0.02
7/24/2013 **
7/25/2013 0.24
7/26/2013 0.00
7/27/2013 0.00
7/28/2013 0.00
7/29/2013 0.00
7/30/2013 0.02
7/31/2013 **
8/1/2013 **
8/2/2013 0.00
8/3/2013 **
8/4/2013 0.29
8/5/2013 **
8/6/2013 0.67
8/7/2013 0.54
8/8/2013 0.04
8/9/2013 0.00
8/10/2013 0.00
8/11/2013 0.17
8/12/2013 0.00
8/13/2013 0.00
8/14/2013 **
8/15/2013 **
8/16/2013 **
8/17/2013 **
8/18/2013 0.24
8/19/2013 0.00
8/20/2013 0.00
8/21/2013 **
8/22/2013 0.00
8/23/2013 0.00
8/24/2013 0.00
8/25/2013 **
8/26/2013 0.00
8/27/2013 0.00
8/28/2013 0.00
8/29/2013 **
8/30/2013 0.60
8/31/2013 0.00
9/1/2013 **
9/2/2013 0.00
9/3/2013 0.00
9/4/2013 **
9/5/2013 0.00
9/6/2013 0.00
9/7/2013 0.01
9/8/2013 1.21
9/9/2013 0.07
9/10/2013 0.00
9/11/2013 0.00
9/12/2013 **
9/13/2013 0.00
9/14/2013 0.00
9/15/2013 **
9/16/2013 **
9/17/2013 **
9/18/2013 **
9/19/2013 **
9/20/2013 **
9/21/2013 **
9/22/2013 **
9/23/2013 0.34
9/24/2013 **
9/25/2013 T
9/26/2013 **
9/27/2013 **
9/28/2013 0.34
9/29/2013 0.00
9/30/2013 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
6/7/2013 8:28 AM 0.00 0.0 M M M
6/8/2013 4:33 AM 0.04 M M M M
6/9/2013 7:08 AM 0.15 M M M M This reading is from rain showers that occured yesterday morning and afternoon
6/10/2013 10:00 AM 0.05 M M M M Light rain from two separate TStorms during the overnight hours. With frequent sheet lighting and Cloud to ground lighting in the area.
6/11/2013 8:24 AM 0.00 0.0 M M M
6/12/2013 8:50 AM 0.14 M M M M Overcast skies 60 degrees wind calm
6/13/2013 7:00 AM 0.03 M M M M
6/14/2013 6:30 AM 0.21 M M M M A T Storm that just past thru Temp 60 overcast skies winds light. There is more notes on this storm in my thunder report.
6/15/2013 7:00 AM 0.03 M M M M A fast moving T Storm that went thru the area yesterday afternoon.
6/18/2013 6:30 AM 0.03 M M M M clear skies alot od dew on the ground and some thin ground fog at the airport.
6/19/2013 2:00 PM 0.00 0.0 M M M Windy MSTLY Sunny Temp 86
6/20/2013 7:18 AM 0.63 M M M M There was two separate T Storms. The first one was severe T Storm warning with heavy rain and pea size hail and alot of lighting. The second storm wasn't severe it just had brief heavy rain and some lighting. Right now it is light rain and windy temp is 61.
6/21/2013 7:00 AM 0.69 M M M M
6/22/2013 12:30 PM 0.47 M M M M A severe T Storm that moved thru the area about 11:30 last night and produced some heavy rain and wind. I t rained so hard that the street curbs were flooded and some street intersections and dips in the road were flooded.
6/23/2013 12:45 PM 1.40 M M M M A light to moderate rain shower during the evening and overnight hours. No thunder occurred during this storm. Current weather Mstly cloudy windy temp 65.
6/24/2013 7:55 AM 0.00 0.0 M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
6/25/2013 8:11 AM 0.00 0.0 M M M Mstly cloudy temp 65 wind NE @ 8
6/26/2013 9:00 AM 0.00 0.0 M M M Cloudy Temp 67 Light wind @ 6 from the SW
6/27/2013 12:00 PM 0.00 0.0 M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
7/6/2013 7:00 AM 0.41 M M M M Cloudy with a light breeze
7/7/2013 7:00 AM 0.00 0.0 M M M
7/8/2013 6:25 AM 0.03 M M M M A T Storm that moved thru early this morning with light wind and rain and frequent lighting. Clear sky with a light breeze temp63
7/11/2013 6:00 PM 0.00 0.0 M M M
7/12/2013 8:43 AM T M M M M Cloudy light breeze a few sprinkles earlier
7/13/2013 7:00 AM 0.00 0.0 M M M cloudy light cool breeze
7/14/2013 7:00 AM 0.23 M M M M A severe t storm the moved thru yesterday. I also observed and reported a funnel cloud 1 mile NW of Williston. current conditions overcast light wind temp 53
7/15/2013 7:00 AM 0.00 0.0 M M M overcast with a light cool breeze
7/16/2013 6:20 AM 0.20 M M M M A fast moving strong thunderstorm moved through just prior to me taking this reading. windy cloudy temp 62
7/17/2013 1:40 AM 0.22 M M M M overcast windy temp72
7/20/2013 5:43 AM 0.24 M M M M
7/21/2013 7:00 AM 0.00 0.0 M M M Mostly cloudy with thin high clouds light breeze temp 61
7/26/2013 8:25 AM 0.00 0.0 M M M overcast light breeze temp 51
7/27/2013 7:00 AM 0.00 0.0 M M M Sunny with a light breeze temp 49.
7/28/2013 7:00 AM 0.00 0.0 M M M Partly cloudy wind calm temp 55
7/29/2013 9:00 AM 0.00 0.0 M M M Partly sunny temp 64 with a light breeze
7/30/2013 6:30 AM 0.02 M M M M Clear sky temp 53
8/7/2013 9:00 AM 0.54 M M M M A fast moving T storm yesterday evening that caused some street flooding.
8/8/2013 10:00 AM 0.04 M M M M sunny with a light breeze temp 66
8/9/2013 7:00 AM 0.00 0.0 M M M Mostly cloudy wind calm
8/10/2013 6:45 AM 0.00 0.0 M M M
8/11/2013 5:00 AM 0.17 M M M M Sky is clear the grass and vehicles are covered in morning dew
8/12/2013 7:00 AM 0.00 0.0 M M M
8/13/2013 6:20 AM 0.00 0.0 M M M
8/19/2013 7:00 AM 0.00 0.0 M M M
8/20/2013 9:00 AM 0.00 0.0 M M M
8/23/2013 8:30 AM 0.00 0.0 M M M
8/24/2013 7:00 AM 0.00 0.0 M M M Cloudy light wind with thunder in vicinity
8/27/2013 7:00 AM 0.00 0.0 M M M Mostly cloudy with a light wind
8/28/2013 7:00 AM 0.00 0.0 M M M
8/31/2013 7:00 AM 0.00 0.0 M M M Mostly clear with a light breeze temp 59
9/3/2013 8:30 AM 0.00 0.0 M M M Sunny wind calm temp 69
9/6/2013 6:20 AM 0.00 0.0 M M M Cloudy with a light breeze temp 69. Some lighting to the south.
9/7/2013 7:00 AM 0.01 M M M M Mostly cloudy with a breeze temp 67
9/8/2013 7:00 AM 1.21 M M M M Overcast wind calm temp 62. I got 1.21 inches of rain in about ywo hrs yesterday afternoon. Williston had some street flooding in low lying areas. To much water for the storm dains to handle all at once.
9/9/2013 7:00 AM 0.07 M M M M Cloudy light wind temp 61
9/10/2013 8:00 AM 0.00 0.0 M M M Sunny with a light breeze temp 58
9/11/2013 9:00 AM 0.00 0.0 M M M Sunny light breeze temp 67
9/14/2013 9:00 AM 0.00 0.0 M M M Mostly cloudy wind calm temp 58
9/29/2013 7:00 AM 0.00 0.0 M M M mostly cloudywind calm temp 48
9/30/2013 9:00 AM 0.00 0.0 M M M Mostly sunny wind calm temp 43



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
6/16/2013 6/17/2013 2:00 PM 2 0.00 M M Clear skies yesterday and today has been overcast.
6/28/2013 6/29/2013 7:00 AM 2 0.00 M M
6/30/2013 7/01/2013 7:00 AM 2 0.00 M M clear wind calm temp 60
7/2/2013 7/05/2013 7:00 AM 4 0.00 M M Cloudy skies light wind and a little muggy
7/9/2013 7/10/2013 2:00 PM 2 0.47 M M sunny wind light breeze
7/18/2013 7/19/2013 8:23 AM 2 0.00 M M Clear skies today with some haze. Light breeze
7/22/2013 7/23/2013 8:20 AM 2 0.02 M M Partly sunny light breeze temp 65
7/24/2013 7/25/2013 8:40 AM 2 0.24 M M Mostly cloudy light breeze temp 63.
7/31/2013 8/02/2013 7:16 AM 3 0.00 M M Overcast light breeze temp 54
8/3/2013 8/04/2013 7:00 AM 2 0.29 M M Cloudy with broken clouds slight breeze temp 57
8/5/2013 8/06/2013 7:00 AM 2 0.67 M M T storms that moved thru the area sunday evening and late Monday night. Current conditions Mostly sunny wind calm temp 57
8/14/2013 8/18/2013 7:00 AM 5 0.24 M M
8/21/2013 8/22/2013 8:00 AM 2 0.00 M M Mostly sunny with a few broken clouds wind calm temp 69.
8/25/2013 8/26/2013 9:00 AM 2 0.00 M M
8/29/2013 8/30/2013 7:00 AM 2 0.60 M M Mostly cloudy wind calm temp 66
9/1/2013 9/02/2013 7:00 AM 2 0.00 M M
9/4/2013 9/05/2013 9:00 AM 2 0.00 M M Sunny with a light breeze temp 75
9/12/2013 9/13/2013 6:30 AM 2 0.00 M M Clear wind calm temp 55
9/15/2013 9/17/2013 6:20 AM 3 0.00 M M Clear Wind calm temp 57
9/16/2013 9/23/2013 6:30 AM 8 0.34 M M
9/24/2013 9/25/2013 9:00 AM 2 T M M Cloudy with a light wind temp 57
9/26/2013 9/28/2013 7:00 AM 3 0.34 M M Mostly cloudy with a light wind temp 38. With no frost



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
6/20/2013 4:39 AM 1/4" Pea Size 1/4" Pea Size Rice Hard|White Ice 3 3min no damage Continuous True Same time as rain Same time as smaller hail 10-20
8/6/2013 7:29 PM Don't have a hail pad i observed hail hitting the ground. 3/4" Penny Size 1/4" Pea Size 1/4" Pea Size Hard|White Ice 5 3min no damage Continuous True After rain Same time as smaller hail 30-40