Weather History for Grand Forks AFB, ND

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Thursday, February 21, 2013

  Actual Average Record
Temperature  
Mean Temperature -14 °C -  
Max Temperature -9 °C -5 °C 12 °C (2000)
Min Temperature -20 °C -14 °C -28 °C (2008)
Degree Days  
Heating Degree Days 60    
Moisture  
Dew Point -18 °C    
Average Humidity 72    
Maximum Humidity 83    
Minimum Humidity 60    
Precipitation  
Precipitation 0.00 mm - - ()
Sea Level Pressure  
Sea Level Pressure 1027 hPa    
Wind  
Wind Speed 10 km/h (SE)    
Max Wind Speed 23 km/h    
Max Gust Speed -    
Visibility 16 kilometers    
Events Snow    
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 21, 2013 Rise Set
Actual Time 7:24 AM CST 6:02 PM CST
Civil Twilight 6:53 AM CST 6:33 PM CST
Nautical Twilight 6:17 AM CST 7:09 PM CST
Astronomical Twilight 5:41 AM CST 7:45 PM CST
Moon 2:06 PM CST (2/21) 4:42 AM CST (2/21)
Length of Visible Light 11h 40m
Length of Day
10h 37m
Waxing Gibbous, 84% of the Moon is Illuminated
Feb 21
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:55 AM -16.6 °C -20.8 °C -20.7 °C 71% 1028.7 hPa 16.1 km SSE 5.6 km/h / 1.5 m/s - N/A   Overcast
1:55 AM -16.7 °C -22.9 °C -21.0 °C 70% 1028.8 hPa 16.1 km South 9.3 km/h / 2.6 m/s - N/A   Mostly Cloudy
2:55 AM -16.7 °C -22.9 °C -21.0 °C 70% 1029.0 hPa 16.1 km SSE 9.3 km/h / 2.6 m/s - N/A   Overcast
3:55 AM -16.9 °C -23.2 °C -20.6 °C 74% 1029.0 hPa 16.1 km SSE 9.3 km/h / 2.6 m/s - N/A   Overcast
4:55 AM -17.4 °C -24.5 °C -21.0 °C 74% 1029.1 hPa 16.1 km SE 11.1 km/h / 3.1 m/s - N/A   Partly Cloudy
5:55 AM -18.6 °C -25.2 °C -22.1 °C 75% 1029.1 hPa 16.1 km SE 9.3 km/h / 2.6 m/s - N/A   Partly Cloudy
6:55 AM -19.7 °C -27.3 °C -22.9 °C 76% 1028.4 hPa 16.1 km SE 11.1 km/h / 3.1 m/s - N/A   Clear
7:55 AM -20.2 °C -26.1 °C -23.2 °C 78% 1028.6 hPa 16.1 km SSE 7.4 km/h / 2.1 m/s - N/A   Clear
8:55 AM -19.3 °C -27.5 °C -22.6 °C 76% 1029.7 hPa 16.1 km SSE 13.0 km/h / 3.6 m/s - N/A   Partly Cloudy
9:55 AM -15.2 °C -23.1 °C -20.5 °C 65% 1029.6 hPa 16.1 km SE 14.8 km/h / 4.1 m/s - N/A   Partly Cloudy
10:55 AM -13.3 °C -20.7 °C -19.5 °C 60% 1028.8 hPa 16.1 km SE 14.8 km/h / 4.1 m/s - N/A   Partly Cloudy
11:55 AM -12.4 °C -20.1 °C -18.3 °C 62% 1028.4 hPa 16.1 km SSE 16.7 km/h / 4.6 m/s - N/A   Partly Cloudy
12:55 PM -10.7 °C -19.1 °C -16.7 °C 62% 1028.2 hPa 16.1 km South 22.2 km/h / 6.2 m/s - N/A   Partly Cloudy
1:55 PM -9.9 °C -17.0 °C -15.8 °C 63% 1027.6 hPa 16.1 km South 16.7 km/h / 4.6 m/s - N/A   Clear
2:55 PM -9.7 °C -15.8 °C -15.5 °C 63% 1027.1 hPa 16.1 km SE 13.0 km/h / 3.6 m/s - N/A   Clear
3:55 PM -9.6 °C -14.5 °C -15.4 °C 63% 1026.6 hPa 16.1 km SE 9.3 km/h / 2.6 m/s - N/A   Partly Cloudy
4:55 PM -9.4 °C -12.6 °C -14.5 °C 67% 1026.2 hPa 16.1 km ESE 5.6 km/h / 1.5 m/s - N/A   Overcast
5:55 PM -9.3 °C -12.4 °C -14.4 °C 67% 1026.1 hPa 16.1 km SE 5.6 km/h / 1.5 m/s - N/A   Mostly Cloudy
6:55 PM -9.5 °C -12.7 °C -14.2 °C 69% 1026.0 hPa 16.1 km ESE 5.6 km/h / 1.5 m/s - N/A   Overcast
7:55 PM -11.1 °C - -14.8 °C 75% 1025.5 hPa 16.1 km Calm Calm - N/A   Partly Cloudy
8:55 PM -14.1 °C -17.9 °C -16.7 °C 81% 1025.1 hPa 16.1 km NW 5.6 km/h / 1.5 m/s - N/A   Scattered Clouds
9:20 PM -15.0 °C -19.0 °C -18.0 °C 78% 1025.0 hPa 16.1 km NNW 5.6 km/h / 1.5 m/s - N/A Snow Light Snow
9:29 PM -15.0 °C -20.0 °C -18.0 °C 78% 1024.9 hPa 16.1 km NNW 7.4 km/h / 2.1 m/s - N/A   Scattered Clouds
9:55 PM -15.1 °C -20.1 °C -17.5 °C 82% 1024.7 hPa 16.1 km North 7.4 km/h / 2.1 m/s - 0.0 mm   Partly Cloudy
10:55 PM -13.8 °C -18.6 °C -16.4 °C 81% 1023.9 hPa 16.1 km North 7.4 km/h / 2.1 m/s - N/A   Clear
11:55 PM -15.3 °C -20.4 °C -17.6 °C 83% 1023.3 hPa 16.1 km NNE 7.4 km/h / 2.1 m/s - N/A   Clear