Weather History for Rapid City, SD

Saturday, August 18, 2012 — View Current Weather Conditions
Saturday, August 18, 2012
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 67 °F 72 °F  
Max Temperature 81 °F 87 °F 104 °F (1959)
Min Temperature 53 °F 57 °F 43 °F (2002)
Degree Days
Heating Degree Days 0 1  
Month to date heating degree days 5 2  
Since 1 June heating degree days 20 116  
Since 1 July heating degree days 5 17  
Cooling Degree Days 2 7  
Month to date cooling degree days 117 149  
Year to date cooling degree days 744 498  
Since 1 June cooling degree days 717 483  
Growing Degree Days 18 (Base 50)    
Moisture
Dew Point 34 °F    
Average Humidity 36    
Maximum Humidity 54    
Minimum Humidity 17    
Precipitation
Precipitation 0.00 in 0.05 in 0.62 in (1996)
Month to date precipitation 0.58 1.01  
Year to date precipitation 10.13 12.08  
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 30.05 in    
Wind
Wind Speed 12 mph (North)    
Max Wind Speed 22 mph    
Max Gust Speed 32 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
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Astronomy
Aug. 18, 2012 Rise Set
Actual Time 6:00 AM MDT 7:51 PM MDT
Civil Twilight 5:29 AM MDT 8:21 PM MDT
Nautical Twilight 4:51 AM MDT 8:59 PM MDT
Astronomical Twilight 4:10 AM MDT 9:40 PM MDT
Moon 7:15 AM MDT 8:02 PM MDT
Length Of Visible Light 14h 52m
Length of Day
13h 51m
New Moon, 1% of the Moon is Illuminated
Aug 18
New Moon
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter
Sep 15
New
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Hourly Weather History & Observations
Time (MDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 62.1 °F 33.1 °F 34% 30.00 in 10.0 mi NNW 13.8 mph - N/A   Clear
1:52 AM 63.0 °F 33.1 °F 33% 30.00 in 10.0 mi NNW 12.7 mph - N/A   Clear
2:52 AM 61.0 °F 33.1 °F 35% 30.00 in 10.0 mi NW 8.1 mph - N/A   Clear
3:52 AM 57.9 °F 33.1 °F 39% 30.01 in 10.0 mi WNW 10.4 mph - N/A   Clear
4:52 AM 55.9 °F 33.1 °F 42% 30.00 in 10.0 mi WNW 9.2 mph - N/A   Clear
5:52 AM 55.0 °F 33.1 °F 43% 30.01 in 10.0 mi WNW 10.4 mph - N/A   Clear
6:52 AM 60.8 °F 33.8 °F 36% 30.09 in 10.0 mi NNW 8.1 mph - N/A   Clear
7:52 AM 64.9 °F 34.0 °F 32% 30.05 in 10.0 mi NNW 16.1 mph - N/A   Clear
8:52 AM 71.1 °F 35.1 °F 27% 30.06 in 10.0 mi NNW 16.1 mph 23.0 mph N/A   Clear
9:52 AM 73.0 °F 35.1 °F 25% 30.07 in 10.0 mi North 17.3 mph 24.2 mph N/A   Clear
10:52 AM 73.9 °F 37.0 °F 26% 30.08 in 10.0 mi North 16.1 mph - N/A   Clear
11:52 AM 75.0 °F 36.0 °F 24% 30.08 in 10.0 mi North 16.1 mph 32.2 mph N/A   Clear
12:52 PM 78.1 °F 33.1 °F 19% 30.07 in 10.0 mi NNW 13.8 mph 20.7 mph N/A   Partly Cloudy
1:52 PM 80.1 °F 33.1 °F 18% 30.05 in 10.0 mi North 19.6 mph 25.3 mph N/A   Clear
2:52 PM 80.1 °F 32.0 °F 17% 30.04 in 10.0 mi North 13.8 mph 24.2 mph N/A   Clear
3:52 PM 79.0 °F 32.0 °F 18% 30.04 in 10.0 mi NNE 10.4 mph 21.9 mph N/A   Partly Cloudy
4:52 PM 80.1 °F 33.1 °F 18% 30.04 in 10.0 mi North 12.7 mph 23.0 mph N/A   Scattered Clouds
5:52 PM 79.0 °F 33.1 °F 19% 30.04 in 10.0 mi North 13.8 mph - N/A   Mostly Cloudy
6:52 PM 75.9 °F 33.1 °F 21% 30.03 in 10.0 mi North 15.0 mph - N/A   Clear
7:52 PM 66.9 °F 36.0 °F 32% 30.05 in 10.0 mi NNE 10.4 mph - N/A   Clear
8:52 PM 64.0 °F 37.0 °F 37% 30.07 in 10.0 mi NNE 11.5 mph - N/A   Clear
9:52 PM 61.0 °F 37.0 °F 41% 30.08 in 10.0 mi NE 10.4 mph - N/A   Clear
10:52 PM 57.0 °F 37.0 °F 47% 30.10 in 10.0 mi NNE 8.1 mph - N/A   Clear
11:52 PM 54.0 °F 37.9 °F 55% 30.11 in 10.0 mi NNW 6.9 mph - N/A   Clear
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