Weather History for Rapid City, SD

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Wednesday, November 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 53 °F 32 °F  
Max Temperature 66 °F 44 °F 74 °F (1974)
Min Temperature 40 °F 20 °F -7 °F (1977)
Degree Days  
Heating Degree Days 12 33  
Month to date heating degree days 535 594  
Since 1 July heating degree days 1218 1356  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 937 636  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 28 °F    
Average Humidity 43    
Maximum Humidity 65    
Minimum Humidity 20    
Precipitation  
Precipitation 0.00 in 0.01 in 0.17 in (2010)
Month to date precipitation 0.26 0.42  
Year to date precipitation 10.97 15.76  
Snow  
Snow 0.00 in 0.20 in - ()
Month to date snowfall 2.3 4.4  
Since 1 July snowfall 2.4 6.2  
Since 1 September snowfall 2.4 6.2  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.75 in    
Wind  
Wind Speed 10 mph (SSW)    
Max Wind Speed 31 mph    
Max Gust Speed 40 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Nov. 21, 2012 Rise Set
Actual Time 6:55 AM MST 4:20 PM MST
Civil Twilight 6:24 AM MST 4:52 PM MST
Nautical Twilight 5:48 AM MST 5:27 PM MST
Astronomical Twilight 5:14 AM MST 6:01 PM MST
Moon 12:49 PM MST (11/21) 12:04 AM MST (11/21)
Length of Visible Light 10h 28m
Length of Day
9h 24m
Waxing Gibbous, 62% of the Moon is Illuminated
Nov 21
Waxing Gibbous
Nov 28
Full
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 44.1 °F - 30.0 °F 58% 29.88 in 10.0 mi Calm Calm - N/A   Clear
1:52 AM 41.0 °F 38.0 °F 30.0 °F 65% 29.88 in 10.0 mi East 4.6 mph - N/A   Clear
2:52 AM 42.1 °F 39.2 °F 28.9 °F 60% 29.86 in 10.0 mi East 4.6 mph - N/A   Clear
3:52 AM 46.0 °F 43.1 °F 28.9 °F 51% 29.84 in 10.0 mi ESE 5.8 mph - N/A   Clear
4:52 AM 44.1 °F 39.5 °F 28.9 °F 55% 29.85 in 10.0 mi East 8.1 mph - N/A   Clear
5:52 AM 42.1 °F 40.2 °F 28.0 °F 58% 29.84 in 10.0 mi East 3.5 mph - N/A   Clear
6:52 AM 44.1 °F 40.1 °F 28.0 °F 53% 29.83 in 10.0 mi SE 6.9 mph - N/A   Clear
7:52 AM 41.0 °F 37.1 °F 28.9 °F 62% 29.85 in 10.0 mi WSW 5.8 mph - N/A   Clear
8:52 AM 53.1 °F - 30.0 °F 41% 29.81 in 10.0 mi Calm Calm - N/A   Clear
9:52 AM 57.0 °F - 33.1 °F 40% 29.79 in 10.0 mi ESE 6.9 mph - N/A   Clear
10:52 AM 61.0 °F - 30.0 °F 31% 29.75 in 10.0 mi ESE 8.1 mph - N/A   Clear
11:52 AM 64.0 °F - 27.0 °F 25% 29.69 in 10.0 mi Calm Calm - N/A   Clear
12:52 PM 64.9 °F - 23.0 °F 20% 29.65 in 10.0 mi WSW 21.9 mph 27.6 mph N/A   Clear
1:52 PM 64.9 °F - 25.0 °F 22% 29.65 in 10.0 mi SW 21.9 mph 27.6 mph N/A   Clear
2:52 PM 66.0 °F - 24.1 °F 20% 29.64 in 10.0 mi SW 15.0 mph - N/A   Clear
3:52 PM 62.1 °F - 24.1 °F 23% 29.63 in 10.0 mi SW 21.9 mph - N/A   Clear
4:52 PM 60.1 °F - 24.1 °F 25% 29.65 in 10.0 mi SSW 17.3 mph - N/A   Clear
5:52 PM 52.0 °F - 25.0 °F 35% 29.69 in 10.0 mi West 6.9 mph - N/A   Clear
6:52 PM 55.0 °F - 25.0 °F 31% 29.68 in 10.0 mi SSW 15.0 mph - N/A   Clear
7:52 PM 53.1 °F - 25.0 °F 34% 29.70 in 10.0 mi SW 6.9 mph - N/A   Clear
8:52 PM 52.0 °F - 25.0 °F 35% 29.69 in 10.0 mi WSW 6.9 mph - N/A   Clear
9:52 PM 54.0 °F - 25.0 °F 33% 29.70 in 10.0 mi WNW 8.1 mph - N/A   Clear
10:52 PM 51.1 °F - 33.1 °F 50% 29.73 in 10.0 mi NNW 28.8 mph 36.8 mph N/A   Clear
11:52 PM 48.0 °F - 34.0 °F 58% 29.75 in 10.0 mi NNW 19.6 mph - N/A   Clear