Weather History for Williston, ND

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 12 °F 11 °F  
Max Temperature 17 °F 22 °F 51 °F (1963)
Min Temperature 7 °F 0 °F -31 °F (1967)
Degree Days  
Heating Degree Days 53 54  
Month to date heating degree days 1594 1585  
Since 1 July heating degree days 3754 3747  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 532 456  
Moisture  
Dew Point 9 °F    
Average Humidity 88    
Maximum Humidity 100    
Minimum Humidity 76    
Precipitation  
Precipitation T in 0.02 in 0.60 in (1975)
Month to date precipitation 0.57 0.62  
Year to date precipitation 13.20 14.37  
Snow  
Snow T in 0.40 in 6.10 in (1975)
Month to date snowfall 7.1 9.5  
Snow Depth 6.00 in    
Sea Level Pressure  
Sea Level Pressure 30.18 in    
Wind  
Wind Speed 3 mph (SE)    
Max Wind Speed 9 mph    
Max Gust Speed 10 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 31, 2012 Rise Set
Actual Time 8:45 AM CST 5:10 PM CST
Civil Twilight 8:08 AM CST 5:47 PM CST
Nautical Twilight 7:29 AM CST 6:26 PM CST
Astronomical Twilight 6:51 AM CST 7:04 PM CST
Moon 9:01 PM CST (12/31) 10:12 AM CST (12/31)
Length of Visible Light 9h 38m
Length of Day
8h 25m
Waning Gibbous, 90% of the Moon is Illuminated
Dec 31
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:20 AM 8.6 °F -1.3 °F 5.0 °F 85% 30.12 in 10.0 mi NNE 5.8 mph - N/A   Overcast
12:52 AM 8.1 °F -2.0 °F 5.0 °F 87% 30.24 in 10.0 mi NNE 5.8 mph - N/A   Overcast
1:52 AM 7.0 °F 0.1 °F 3.9 °F 87% 30.25 in 10.0 mi NNE 3.5 mph - N/A   Overcast
2:52 AM 7.0 °F -1.7 °F 5.0 °F 92% 30.26 in 10.0 mi ENE 4.6 mph - N/A   Overcast
3:52 AM 8.1 °F - 5.0 °F 87% 30.25 in 10.0 mi Calm Calm - N/A   Overcast
4:52 AM 8.1 °F - 5.0 °F 87% 30.26 in 10.0 mi Calm Calm - N/A   Overcast
5:52 AM 9.0 °F 2.4 °F 6.1 °F 88% 30.25 in 10.0 mi NE 3.5 mph - N/A   Overcast
6:52 AM 9.0 °F 2.4 °F 6.1 °F 88% 30.24 in 10.0 mi NE 3.5 mph - N/A   Overcast
7:52 AM 10.4 °F - 6.8 °F 85% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
8:52 AM 10.0 °F 3.6 °F 6.1 °F 84% 30.23 in 10.0 mi East 3.5 mph - N/A   Overcast
9:19 AM 10.4 °F 4.0 °F 6.8 °F 85% 30.10 in 10.0 mi ESE 3.5 mph - N/A   Overcast
9:52 AM 10.9 °F - 7.0 °F 84% 30.23 in 10.0 mi Calm Calm - N/A   Overcast
10:52 AM 12.0 °F - 7.0 °F 80% 30.23 in 10.0 mi Calm Calm - N/A   Overcast
11:52 AM 12.9 °F - 8.1 °F 81% 30.23 in 10.0 mi Calm Calm - N/A   Overcast
12:52 PM 14.0 °F 8.2 °F 10.0 °F 84% 30.21 in 10.0 mi SE 3.5 mph - N/A   Overcast
1:11 PM 15.8 °F 6.1 °F 10.4 °F 79% 30.07 in 10.0 mi SSE 6.9 mph - N/A   Overcast
1:52 PM 15.1 °F 6.4 °F 10.9 °F 84% 30.19 in 10.0 mi SSE 5.8 mph - N/A   Overcast
2:52 PM 16.0 °F 7.4 °F 12.0 °F 84% 30.18 in 10.0 mi SE 5.8 mph - N/A   Overcast
3:52 PM 17.1 °F 11.7 °F 12.9 °F 84% 30.18 in 10.0 mi SSE 3.5 mph - N/A   Overcast
4:52 PM 17.6 °F 10.7 °F 12.2 °F 79% 30.05 in 10.0 mi SSE 4.6 mph - N/A   Overcast
5:52 PM 17.1 °F 10.0 °F 14.0 °F 88% 30.18 in 10.0 mi South 4.6 mph - N/A   Overcast
6:52 PM 16.0 °F 8.8 °F 12.9 °F 88% 30.19 in 10.0 mi SSW 4.6 mph - N/A   Overcast
7:52 PM 15.1 °F - 12.0 °F 88% 30.19 in 10.0 mi Calm Calm - N/A   Overcast
8:37 PM 12.2 °F 6.1 °F 10.4 °F 92% 30.06 in 10.0 mi SSW 3.5 mph - N/A   Mostly Cloudy
8:52 PM 10.9 °F - 10.0 °F 96% 30.19 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:52 PM 12.0 °F 4.1 °F 10.9 °F 95% 30.19 in 10.0 mi South 4.6 mph - N/A   Overcast
10:07 PM 12.2 °F 6.1 °F 10.4 °F 92% 30.06 in 10.0 mi SSW 3.5 mph - N/A   Overcast
10:14 PM 12.2 °F - 10.4 °F 92% 30.06 in 10.0 mi Calm Calm - N/A   Overcast
10:49 PM 12.2 °F 6.1 °F 10.4 °F 92% 30.06 in 10.0 mi SSW 3.5 mph - N/A   Overcast
10:52 PM 12.9 °F 6.9 °F 10.9 °F 92% 30.19 in 10.0 mi SSW 3.5 mph - N/A   Overcast
11:52 PM 14.0 °F 8.2 °F 12.0 °F 92% 30.19 in 10.0 mi SSE 3.5 mph - N/A   Overcast