Ellsworth AFB, SD

4:51 PM MDT on June 22, 2017 (GMT -0600)
Ellsworth Air Force Base

Weather History for KRCA - September, 2012

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Tuesday, September 11, 2012

  Actual Average Record
Temperature  
Mean Temperature 70 °F -  
Max Temperature 78 °F 76 °F 91 °F (2011)
Min Temperature 61 °F 50 °F 32 °F (2014)
Cooling Degree Days 5    
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 32 °F    
Average Humidity 26    
Maximum Humidity 35    
Minimum Humidity 18    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.84 in    
Wind  
Wind Speed 15 mph (NNW)    
Max Wind Speed 31 mph    
Max Gust Speed 41 mph    
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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Daily Weather History Graph

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Date:

Astronomy

Sep. 11, 2012 Rise Set
Actual Time 6:27 AM MDT 7:09 PM MDT
Civil Twilight 5:58 AM MDT 7:38 PM MDT
Nautical Twilight 5:23 AM MDT 8:12 PM MDT
Astronomical Twilight 4:47 AM MDT 8:48 PM MDT
Moon 1:38 AM MDT (9/11) 4:27 PM MDT (9/11)
Length of Visible Light 13h 40m
Length of Day
12h 41m
Waning Crescent, 21% of the Moon is Illuminated
Sep 11
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:55 AM 74.5 °F 44.8 °F 35% 29.60 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
1:55 AM 77.7 °F 44.4 °F 31% 29.58 in 10.0 mi WSW 15.0 mph - N/A   Partly Cloudy
2:55 AM 78.1 °F 43.3 °F 29% 29.60 in 10.0 mi NNW 11.5 mph - N/A   Clear
3:51 AM 77.0 °F 42.8 °F 29% 29.62 in 10.0 mi WNW 12.7 mph - N/A   Clear
3:55 AM 75.7 °F 42.6 °F 31% 29.63 in 10.0 mi WNW 9.2 mph - N/A   Clear
4:55 AM 70.0 °F 37.6 °F 31% 29.69 in 10.0 mi NNW 20.7 mph 27.6 mph N/A   Clear
5:55 AM 65.8 °F 33.1 °F 30% 29.74 in 10.0 mi NW 25.3 mph 35.7 mph N/A   Scattered Clouds
6:55 AM 63.3 °F 31.6 °F 31% 29.79 in 10.0 mi NNW 27.6 mph 35.7 mph N/A   Clear
7:55 AM 63.5 °F 31.8 °F 31% 29.82 in 10.0 mi NNW 31.1 mph 41.4 mph N/A   Mostly Cloudy
8:55 AM 64.4 °F 31.8 °F 30% 29.86 in 10.0 mi NNW 23.0 mph 34.5 mph N/A   Mostly Cloudy
9:55 AM 64.6 °F 30.4 °F 28% 29.87 in 10.0 mi NNW 20.7 mph 29.9 mph N/A   Overcast
10:55 AM 66.7 °F 30.2 °F 26% 29.90 in 10.0 mi North 17.3 mph 25.3 mph N/A   Overcast
11:55 AM 68.7 °F 28.6 °F 22% 29.89 in 10.0 mi North 19.6 mph 27.6 mph N/A   Overcast
12:55 PM 70.0 °F 27.1 °F 20% 29.89 in 10.0 mi North 20.7 mph - N/A   Mostly Cloudy
1:55 PM 71.6 °F 28.2 °F 20% 29.87 in 10.0 mi North 18.4 mph 24.2 mph N/A   Clear
2:55 PM 74.5 °F 28.8 °F 18% 29.86 in 10.0 mi NNE 12.7 mph - N/A   Clear
3:55 PM 74.8 °F 28.9 °F 18% 29.86 in 10.0 mi North 11.5 mph 17.3 mph N/A   Clear
4:55 PM 74.7 °F 29.3 °F 19% 29.88 in 10.0 mi North 11.5 mph - N/A   Clear
5:55 PM 72.0 °F 28.2 °F 20% 29.91 in 10.0 mi NNE 9.2 mph - N/A   Partly Cloudy
6:55 PM 69.8 °F 28.4 °F 21% 30.02 in 10.0 mi NNE 4.6 mph - N/A   Mostly Cloudy
7:55 PM 69.3 °F 29.1 °F 22% 29.99 in 10.0 mi NE 4.6 mph - N/A   Scattered Clouds
8:55 PM 65.1 °F 26.8 °F 24% 30.04 in 10.0 mi North 11.5 mph - N/A   Clear
9:55 PM 63.5 °F 26.4 °F 25% 30.05 in 10.0 mi North 8.1 mph - N/A   Clear
10:55 PM 62.2 °F 26.6 °F 26% 30.06 in 10.0 mi North 9.2 mph - N/A   Mostly Cloudy
11:55 PM 61.3 °F 26.4 °F 27% 30.08 in 10.0 mi NNW 9.2 mph - N/A   Overcast