Weather History for Rapid City, SD

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Monday, August 13, 2012

  Actual Average Record
Temperature  
Mean Temperature 71 °F 72 °F  
Max Temperature 85 °F 87 °F 107 °F (2007)
Min Temperature 57 °F 58 °F 43 °F (2004)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 1 0  
Since 1 June heating degree days 16 114  
Since 1 July heating degree days 1 15  
Cooling Degree Days 6 8  
Month to date cooling degree days 107 112  
Year to date cooling degree days 734 461  
Since 1 June cooling degree days 707 446  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 53    
Maximum Humidity 80    
Minimum Humidity 25    
Precipitation  
Precipitation T in 0.05 in 2.03 in (1997)
Month to date precipitation 0.58 0.76  
Year to date precipitation 10.13 11.83  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 0.0  
Since 1 June snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 11 mph (SSE)    
Max Wind Speed 33 mph    
Max Gust Speed 43 mph    
Visibility 10 miles    
Events Rain , Thunderstorm    
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

Aug. 13, 2012 Rise Set
Actual Time 5:54 AM MDT 7:58 PM MDT
Civil Twilight 5:22 AM MDT 8:30 PM MDT
Nautical Twilight 4:44 AM MDT 9:08 PM MDT
Astronomical Twilight 4:01 AM MDT 9:51 PM MDT
Moon 1:55 AM MDT (8/13) 5:16 PM MDT (8/13)
Length of Visible Light 15h 07m
Length of Day
14h 04m
Waning Crescent, 16% of the Moon is Illuminated
Aug 13
Waning Crescent
Aug 17
New
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 57.9 °F 52.0 °F 81% 30.14 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:52 AM 59.0 °F 51.1 °F 75% 30.13 in 10.0 mi Calm Calm - N/A   Clear
2:52 AM 57.0 °F 51.1 °F 81% 30.14 in 10.0 mi SW 3.5 mph - N/A   Clear
3:52 AM 59.0 °F 51.1 °F 75% 30.13 in 10.0 mi SSW 3.5 mph - N/A   Scattered Clouds
4:52 AM 60.1 °F 52.0 °F 75% 30.12 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:52 AM 57.9 °F 52.0 °F 81% 30.12 in 10.0 mi SSE 4.6 mph - N/A   Partly Cloudy
6:52 AM 59.0 °F 53.1 °F 81% 30.11 in 10.0 mi SE 4.6 mph - N/A   Clear
7:52 AM 64.0 °F 54.0 °F 70% 30.11 in 10.0 mi SE 5.8 mph - N/A   Clear
8:52 AM 71.1 °F 48.9 °F 45% 30.10 in 10.0 mi South 11.5 mph - N/A   Clear
9:52 AM 73.9 °F 46.9 °F 38% 30.10 in 10.0 mi South 16.1 mph - N/A   Clear
10:52 AM 77.0 °F 46.9 °F 34% 30.08 in 10.0 mi SSE 17.3 mph - N/A   Clear
11:52 AM 79.0 °F 48.0 °F 34% 30.05 in 10.0 mi SSE 16.1 mph 25.3 mph N/A   Clear
12:52 PM 82.0 °F 48.0 °F 30% 30.02 in 10.0 mi South 16.1 mph 25.3 mph N/A   Clear
1:52 PM 82.9 °F 46.9 °F 28% 30.00 in 10.0 mi South 15.0 mph - N/A   Clear
2:52 PM 84.0 °F 46.0 °F 26% 29.97 in 10.0 mi SSE 16.1 mph - N/A   Clear
3:52 PM 84.9 °F 46.0 °F 26% 29.95 in 10.0 mi SSE 13.8 mph 23.0 mph N/A   Clear
4:52 PM 84.9 °F 45.0 °F 25% 29.93 in 10.0 mi SSE 12.7 mph 24.2 mph N/A   Clear
5:52 PM 82.0 °F 45.0 °F 27% 29.92 in 10.0 mi South 12.7 mph - N/A   Clear
6:52 PM 80.1 °F 46.9 °F 31% 29.90 in 10.0 mi SE 13.8 mph - N/A   Clear
7:52 PM 73.0 °F 46.9 °F 39% 29.89 in 10.0 mi SE 9.2 mph - N/A   Clear
8:52 PM 68.0 °F 46.9 °F 47% 29.89 in 10.0 mi SSE 6.9 mph - N/A   Clear
9:52 PM 68.0 °F 46.0 °F 45% 29.90 in 10.0 mi SSE 6.9 mph - N/A   Clear
10:52 PM 71.1 °F 48.0 °F 44% 29.96 in 10.0 mi North 31.1 mph 41.4 mph N/A Thunderstorm Overcast
11:02 PM 64.4 °F 53.6 °F 68% 30.06 in 10.0 mi North 23.0 mph 34.5 mph 0.00 in Rain , Thunderstorm Light Rain
11:24 PM 62.6 °F 55.4 °F 77% 30.01 in 10.0 mi NNE 25.3 mph 33.4 mph 0.00 in   Partly Cloudy
11:52 PM 61.0 °F 55.9 °F 83% 29.95 in 10.0 mi NE 16.1 mph 27.6 mph 0.00 in   Clear