Weather History for Rapid City, SD

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Monday, October 15, 2012

  Actual Average Record
Temperature  
Mean Temperature 58 °F 48 °F  
Max Temperature 78 °F 62 °F 87 °F (1958)
Min Temperature 38 °F 34 °F 22 °F (2001)
Degree Days  
Heating Degree Days 7 17  
Month to date heating degree days 255 215  
Since 1 July heating degree days 354 439  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 937 633  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 30 °F    
Average Humidity 38    
Maximum Humidity 60    
Minimum Humidity 15    
Precipitation  
Precipitation 0.00 in 0.06 in 2.13 in (1980)
Month to date precipitation T 0.79  
Year to date precipitation 10.27 14.71  
Snow  
Snow 0.00 in 0.10 in - ()
Month to date snowfall T 0.4  
Since 1 July snowfall T 0.6  
Since 1 September snowfall T 0.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.79 in    
Wind  
Wind Speed 7 mph (NE)    
Max Wind Speed 22 mph    
Max Gust Speed 28 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Oct. 15, 2012 Rise Set
Actual Time 7:07 AM MDT 6:07 PM MDT
Civil Twilight 6:38 AM MDT 6:36 PM MDT
Nautical Twilight 6:04 AM MDT 7:10 PM MDT
Astronomical Twilight 5:31 AM MDT 7:43 PM MDT
Moon 7:22 AM MDT (10/15) 6:05 PM MDT (10/15)
Length of Visible Light 11h 58m
Length of Day
10h 59m
Waxing Crescent, 0% of the Moon is Illuminated
Oct 15
Waxing Crescent
Oct 21
First Quarter
Oct 29
Full
Nov 6
Last Quarter
Nov 13
New

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 46.9 °F - 28.0 °F 48% 29.94 in 10.0 mi Calm Calm - N/A   Clear
1:52 AM 45.0 °F - 28.0 °F 52% 29.93 in 10.0 mi Calm Calm - N/A   Clear
2:52 AM 46.9 °F - 28.0 °F 48% 29.89 in 10.0 mi SSE 4.6 mph - N/A   Clear
3:52 AM 44.1 °F - 28.0 °F 53% 29.88 in 10.0 mi Calm Calm - N/A   Clear
4:52 AM 43.0 °F 41.3 °F 28.0 °F 56% 29.87 in 10.0 mi East 3.5 mph - N/A   Clear
5:52 AM 42.1 °F 40.2 °F 28.0 °F 58% 29.87 in 10.0 mi SE 3.5 mph - N/A   Clear
6:52 AM 39.9 °F - 27.0 °F 60% 29.88 in 10.0 mi Calm Calm - N/A   Clear
7:52 AM 41.0 °F - 28.0 °F 60% 29.87 in 10.0 mi Calm Calm - N/A   Clear
8:52 AM 53.1 °F - 30.0 °F 41% 29.84 in 10.0 mi Calm Calm - N/A   Clear
9:52 AM 62.1 °F - 30.9 °F 31% 29.82 in 10.0 mi ESE 4.6 mph - N/A   Clear
10:52 AM 69.1 °F - 28.9 °F 22% 29.80 in 10.0 mi ESE 3.5 mph - N/A   Clear
12:52 PM 75.9 °F - 26.1 °F 16% 29.75 in 10.0 mi North 8.1 mph - N/A   Clear
1:52 PM 75.9 °F - 26.1 °F 16% 29.73 in 10.0 mi North 11.5 mph - N/A   Clear
2:52 PM 77.0 °F - 27.0 °F 16% 29.71 in 10.0 mi North 10.4 mph - N/A   Clear
3:52 PM 75.9 °F - 27.0 °F 16% 29.70 in 10.0 mi Calm Calm - N/A   Clear
4:52 PM 75.9 °F - 27.0 °F 16% 29.70 in 10.0 mi Calm Calm - N/A   Clear
5:52 PM 66.9 °F - 27.0 °F 22% 29.71 in 10.0 mi East 3.5 mph - N/A   Clear
6:52 PM 59.0 °F - 27.0 °F 29% 29.74 in 10.0 mi NNE 9.2 mph - N/A   Clear
7:52 PM 60.1 °F - 28.9 °F 31% 29.75 in 10.0 mi North 12.7 mph - N/A   Clear
8:52 PM 63.0 °F - 36.0 °F 37% 29.74 in 10.0 mi North 19.6 mph 27.6 mph N/A   Scattered Clouds
9:52 PM 60.1 °F - 37.9 °F 44% 29.76 in 10.0 mi NNW 17.3 mph - N/A   Scattered Clouds
10:52 PM 57.9 °F - 39.9 °F 51% 29.73 in 10.0 mi NNW 10.4 mph - N/A   Mostly Cloudy
11:52 PM 55.9 °F - 39.9 °F 55% 29.71 in 10.0 mi NNW 12.7 mph - N/A   Scattered Clouds