Weather History for Rapid City, SD

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Friday, August 30, 2013

  Actual Average Record
Temperature  
Mean Temperature 77 °F 68 °F  
Max Temperature 94 °F 83 °F 102 °F (1948)
Min Temperature 60 °F 53 °F 38 °F (1992)
Degree Days  
Heating Degree Days 0 2  
Month to date heating degree days 0 16  
Since 1 June heating degree days 85 130  
Since 1 July heating degree days 5 31  
Cooling Degree Days 12 5  
Month to date cooling degree days 238 220  
Year to date cooling degree days 584 569  
Since 1 June cooling degree days 576 554  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 61 °F    
Average Humidity 60    
Maximum Humidity 84    
Minimum Humidity 36    
Precipitation  
Precipitation 0.37 in 0.05 in 0.50 in (1963)
Month to date precipitation 2.41 1.52  
Year to date precipitation 14.06 12.59  
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 29.96 in    
Wind  
Wind Speed 8 mph (South)    
Max Wind Speed 21 mph    
Max Gust Speed 26 mph    
Visibility 9 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. 30, 2013 Rise Set
Actual Time 6:13 AM MDT 7:31 PM MDT
Civil Twilight 5:43 AM MDT 8:00 PM MDT
Nautical Twilight 5:07 AM MDT 8:36 PM MDT
Astronomical Twilight 4:29 AM MDT 9:14 PM MDT
Moon 12:47 AM MDT 3:54 PM MDT
Length of Visible Light 14h 17m
Length of Day
13h 17m
Waning Crescent, 28% of the Moon is Illuminated
Aug 30
Waning Crescent
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 66.9 °F - 55.9 °F 68% 30.01 in 10.0 mi NW 4.6 mph - N/A   Clear
1:52 AM 66.9 °F - 55.0 °F 66% 30.00 in 10.0 mi NNW 3.5 mph - N/A   Clear
2:52 AM 64.9 °F - 54.0 °F 68% 30.00 in 10.0 mi North 3.5 mph - N/A   Clear
3:52 AM 68.0 °F - 55.9 °F 65% 29.99 in 10.0 mi East 3.5 mph - N/A   Clear
4:52 AM 64.0 °F - 55.0 °F 73% 30.00 in 10.0 mi West 3.5 mph - N/A   Clear
5:52 AM 62.1 °F - 55.0 °F 78% 30.00 in 10.0 mi Calm Calm - N/A   Clear
6:52 AM 64.9 °F - 55.9 °F 73% 30.02 in 10.0 mi SE 3.5 mph - N/A   Clear
7:52 AM 75.0 °F - 60.1 °F 60% 30.01 in 10.0 mi ESE 8.1 mph - N/A   Clear
8:52 AM 80.1 °F 81.1 °F 61.0 °F 52% 30.02 in 10.0 mi SSE 6.9 mph - N/A   Clear
9:52 AM 84.0 °F 85.4 °F 64.0 °F 51% 30.01 in 10.0 mi South 13.8 mph - N/A   Clear
10:52 AM 87.1 °F 88.3 °F 64.0 °F 46% 29.99 in 10.0 mi South 12.7 mph 20.7 mph N/A   Clear
11:52 AM 90.0 °F 90.6 °F 63.0 °F 40% 29.97 in 10.0 mi South 9.2 mph 18.4 mph N/A   Clear
12:52 PM 93.0 °F 93.8 °F 62.1 °F 36% 29.94 in 10.0 mi SSE 12.7 mph 20.7 mph N/A   Clear
1:42 PM 93.2 °F 94.1 °F 62.6 °F 36% 30.02 in 10.0 mi SE 15.0 mph 20.7 mph N/A Thunderstorm Partly Cloudy
1:52 PM 89.1 °F 89.0 °F 61.0 °F 39% 29.94 in 10.0 mi SSE 8.1 mph - N/A Thunderstorm Thunderstorm
2:52 PM 73.9 °F - 68.0 °F 82% 29.96 in 4.0 mi West 8.1 mph 26.5 mph 0.09 in Rain , Thunderstorm Thunderstorms and Rain
3:05 PM 73.4 °F - 69.8 °F 88% 30.01 in 2.0 mi South 5.8 mph - 0.12 in Rain , Thunderstorm Thunderstorms and Rain
3:14 PM 73.4 °F - 68.0 °F 83% 29.98 in 8.0 mi South 8.1 mph - 0.13 in Rain , Thunderstorm Light Thunderstorms and Rain
3:49 PM 73.4 °F - 68.0 °F 83% 29.98 in 6.0 mi SSE 13.8 mph - 0.28 in Rain , Thunderstorm Light Rain
3:52 PM 73.0 °F - 68.0 °F 84% 29.91 in 10.0 mi SSE 15.0 mph - 0.28 in Rain , Thunderstorm Light Rain
3:59 PM 71.6 °F - 66.2 °F 83% 29.99 in 10.0 mi South 15.0 mph - 0.00 in Rain , Thunderstorm Light Rain
4:49 PM 80.6 °F 82.3 °F 64.4 °F 58% 29.96 in 10.0 mi SSE 8.1 mph - 0.00 in   Scattered Clouds
4:52 PM 82.0 °F 83.4 °F 64.0 °F 54% 29.88 in 10.0 mi SSE 10.4 mph - 0.00 in   Scattered Clouds
5:52 PM 82.9 °F 83.2 °F 60.1 °F 46% 29.88 in 10.0 mi WSW 6.9 mph - N/A   Clear
6:52 PM 78.1 °F - 62.1 °F 58% 29.89 in 10.0 mi SSW 8.1 mph - N/A   Partly Cloudy
7:52 PM 72.0 °F - 62.1 °F 71% 29.89 in 10.0 mi ESE 4.6 mph - N/A   Clear
8:52 PM 73.0 °F - 62.1 °F 68% 29.90 in 10.0 mi South 12.7 mph - N/A   Clear
9:52 PM 73.0 °F - 61.0 °F 66% 29.87 in 10.0 mi SSW 10.4 mph - N/A   Clear
10:52 PM 72.0 °F - 61.0 °F 68% 29.88 in 10.0 mi SSW 5.8 mph - N/A   Clear
11:52 PM 72.0 °F - 60.1 °F 66% 29.87 in 10.0 mi South 6.9 mph - N/A   Clear