Weather History for Ellsworth AFB, SD

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Thursday, December 20, 2012

  Actual Average Record
Temperature  
Mean Temperature 28 °F -  
Max Temperature 44 °F 34 °F 51 °F (2004)
Min Temperature 11 °F 14 °F -11 °F (1998)
Degree Days  
Heating Degree Days 38    
Moisture  
Dew Point 3 °F    
Average Humidity 39    
Maximum Humidity 60    
Minimum Humidity 20    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.18 in    
Wind  
Wind Speed 7 mph (WSW)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
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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Date:

Astronomy

Dec. 20, 2012 Rise Set
Actual Time 7:24 AM MST 4:16 PM MST
Civil Twilight 6:50 AM MST 4:49 PM MST
Nautical Twilight 6:14 AM MST 5:26 PM MST
Astronomical Twilight 5:39 AM MST 6:01 PM MST
Moon 11:46 AM MST (12/20) 12:01 AM MST (12/20)
Length of Visible Light 9h 58m
Length of Day
8h 52m
First Quarter, 56% of the Moon is Illuminated
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:55 AM 18.5 °F 6.1 °F 2.1 °F 49% 30.18 in 10.0 mi WNW 11.5 mph - N/A   Clear
1:55 AM 12.4 °F 0.0 °F 0.7 °F 60% 30.21 in 10.0 mi WNW 9.2 mph - N/A   Clear
2:55 AM 12.6 °F 2.2 °F 0.5 °F 59% 30.22 in 10.0 mi West 6.9 mph - N/A   Clear
3:55 AM 11.7 °F -0.9 °F -0.6 °F 58% 30.22 in 10.0 mi West 9.2 mph - N/A   Clear
4:55 AM 12.2 °F 1.7 °F -1.1 °F 55% 30.22 in 10.0 mi West 6.9 mph - N/A   Clear
5:55 AM 12.2 °F 2.9 °F -1.5 °F 54% 30.23 in 10.0 mi West 5.8 mph - N/A   Clear
6:55 AM 13.5 °F 4.4 °F -1.5 °F 51% 30.24 in 10.0 mi WSW 5.8 mph - N/A   Clear
7:55 AM 13.5 °F 3.3 °F -0.8 °F 53% 30.24 in 10.0 mi West 6.9 mph - N/A   Clear
8:55 AM 23.5 °F 15.4 °F 2.7 °F 41% 30.22 in 10.0 mi WSW 6.9 mph - N/A   Clear
9:55 AM 31.6 °F 26.0 °F 3.4 °F 30% 30.22 in 10.0 mi SW 5.8 mph - N/A   Clear
10:55 AM 37.4 °F 32.8 °F 3.7 °F 24% 30.17 in 10.0 mi South 5.8 mph - N/A   Clear
11:55 AM 41.0 °F - 4.8 °F 22% 30.14 in 10.0 mi Calm Calm - N/A   Clear
12:55 PM 43.9 °F - 4.3 °F 20% 30.11 in 10.0 mi Calm Calm - N/A   Clear
1:55 PM 44.8 °F - 5.0 °F 20% 30.14 in 10.0 mi Calm Calm - N/A   Clear
2:55 PM 44.6 °F 43.1 °F 5.9 °F 20% 30.14 in 10.0 mi ENE 3.5 mph - N/A   Clear
3:55 PM 39.0 °F 34.0 °F 5.5 °F 25% 30.16 in 10.0 mi SSE 6.9 mph - N/A   Clear
4:55 PM 35.8 °F 33.0 °F 5.2 °F 28% 30.17 in 10.0 mi SSW 3.5 mph - N/A   Clear
5:55 PM 32.5 °F 29.3 °F 4.3 °F 30% 30.17 in 10.0 mi WSW 3.5 mph - N/A   Clear
6:55 PM 26.6 °F 19.1 °F 5.2 °F 40% 30.19 in 10.0 mi WSW 6.9 mph - N/A   Clear
7:55 PM 26.6 °F 21.2 °F 5.5 °F 41% 30.19 in 10.0 mi West 4.6 mph - N/A   Clear
8:55 PM 24.6 °F 17.7 °F 5.5 °F 44% 30.17 in 10.0 mi WSW 5.8 mph - N/A   Clear
9:55 PM 30.6 °F - 4.5 °F 33% 30.12 in 10.0 mi Calm Calm - N/A   Clear
10:55 PM 28.4 °F 24.6 °F 4.1 °F 36% 30.13 in 10.0 mi SSW 3.5 mph - N/A   Clear
11:55 PM 26.2 °F 19.6 °F 6.1 °F 42% 30.11 in 10.0 mi SW 5.8 mph - N/A   Clear