Weather History for Custer, SD

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Monday, September 17, 2012

  Actual Average Record
Temperature  
Mean Temperature 47 °F 54 °F  
Max Temperature 56 °F 67 °F 89 °F (2000)
Min Temperature 37 °F 40 °F 19 °F (1971)
Degree Days  
Heating Degree Days 18 12  
Month to date heating degree days 93 143  
Since 1 July heating degree days 162 297  
Cooling Degree Days 0 0  
Month to date cooling degree days 23 11  
Year to date cooling degree days 390 177  
Moisture  
Dew Point 32 °F    
Average Humidity 60    
Maximum Humidity 82    
Minimum Humidity 38    
Precipitation  
Precipitation T in 0.05 in 0.33 in (2011)
Month to date precipitation 0.11 1.01  
Year to date precipitation 10.25 15.93  
Sea Level Pressure  
Sea Level Pressure 30.12 in    
Wind  
Wind Speed 3 mph (East)    
Max Wind Speed 10 mph    
Max Gust Speed 16 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Sep. 17, 2012 Rise Set
Actual Time 6:36 AM MDT 7:00 PM MDT
Civil Twilight 6:07 AM MDT 7:28 PM MDT
Nautical Twilight 5:33 AM MDT 8:02 PM MDT
Astronomical Twilight 4:58 AM MDT 8:37 PM MDT
Moon 8:34 AM MDT (9/17) 7:37 PM MDT (9/17)
Length of Visible Light 13h 20m
Length of Day
12h 23m
Waxing Crescent, 4% of the Moon is Illuminated
Sep 17
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 46.9 °F - 37.0 °F 68% 30.07 in 10.0 mi NW 3.5 mph - 0.00 in   Overcast
1:53 AM 45.0 °F 41.8 °F 37.0 °F 74% 30.08 in 10.0 mi East 5.8 mph - N/A   Overcast
2:53 AM 43.0 °F 41.3 °F 37.0 °F 80% 30.07 in 10.0 mi ENE 3.5 mph - 0.00 in   Overcast
3:53 AM 43.0 °F - 37.9 °F 82% 30.09 in 10.0 mi Calm Calm - 0.00 in   Overcast
4:53 AM 44.1 °F 42.5 °F 37.9 °F 79% 30.12 in 10.0 mi Variable 3.5 mph - N/A   Overcast
5:53 AM 43.0 °F - 34.0 °F 71% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
6:53 AM 43.0 °F - 33.1 °F 68% 30.14 in 10.0 mi Calm Calm - N/A   Overcast
7:53 AM 44.1 °F - 30.9 °F 60% 30.15 in 10.0 mi Calm Calm - N/A   Overcast
8:53 AM 48.0 °F - 35.1 °F 61% 30.14 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:53 AM 48.9 °F - 36.0 °F 61% 30.14 in 10.0 mi Calm Calm - N/A   Overcast
10:53 AM 51.1 °F - 35.1 °F 54% 30.14 in 10.0 mi East 5.8 mph - N/A   Overcast
11:53 AM 51.1 °F - 33.1 °F 50% 30.13 in 10.0 mi East 9.2 mph - N/A   Overcast
12:53 PM 51.1 °F - 33.1 °F 50% 30.12 in 10.0 mi East 5.8 mph - N/A   Overcast
1:53 PM 52.0 °F - 32.0 °F 47% 30.12 in 10.0 mi SE 4.6 mph - N/A   Overcast
2:53 PM 52.0 °F - 28.0 °F 40% 30.12 in 10.0 mi Variable 3.5 mph - N/A   Overcast
3:53 PM 53.1 °F - 28.0 °F 38% 30.10 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
4:53 PM 55.0 °F - 30.0 °F 38% 30.08 in 10.0 mi SE 3.5 mph - N/A   Scattered Clouds
5:53 PM 54.0 °F - 32.0 °F 43% 30.09 in 10.0 mi ENE 6.9 mph - N/A   Overcast
6:53 PM 51.1 °F - 28.9 °F 43% 30.12 in 10.0 mi East 3.5 mph - N/A   Overcast
7:53 PM 45.0 °F - 30.0 °F 56% 30.14 in 10.0 mi Calm Calm - N/A   Clear
8:53 PM 42.1 °F - 28.9 °F 60% 30.14 in 10.0 mi Calm Calm - N/A   Clear
9:53 PM 41.0 °F 39.0 °F 28.9 °F 62% 30.13 in 10.0 mi NW 3.5 mph - N/A   Clear
10:53 PM 37.0 °F - 28.0 °F 70% 30.14 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:53 PM 39.9 °F - 28.0 °F 63% 30.10 in 10.0 mi Calm Calm - N/A   Overcast