, SD

(GMT )
Rapid City

Weather History for KRAP - September, 2012

Change the Weather History Date:

Friday, September 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 61 °F 58 °F  
Max Temperature 79 °F 73 °F 92 °F (2013)
Min Temperature 43 °F 44 °F 23 °F (1995)
Degree Days  
Heating Degree Days 4 8  
Month to date heating degree days 49 99  
Since 1 July heating degree days 54 136  
Cooling Degree Days 0 1  
Month to date cooling degree days 62 54  
Year to date cooling degree days 932 626  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 32 °F    
Average Humidity 37    
Maximum Humidity 54    
Minimum Humidity 19    
Precipitation  
Precipitation 0.00 in 0.05 in 0.45 in (1998)
Month to date precipitation 0.14 0.90  
Year to date precipitation 10.27 13.53  
Snow  
Snow 0.00 in 0.00 in T in (1995)
Month to date snowfall 0.0 0.1  
Since 1 July snowfall 0.0 0.1  
Since 1 September snowfall 0.0 0.1  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 16 mph (NNW)    
Max Wind Speed 36 mph    
Max Gust Speed 44 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport or City:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Sep. 21, 2012 Rise Set
Actual Time 6:38 AM MDT 6:50 PM MDT
Civil Twilight 6:10 AM MDT 7:19 PM MDT
Nautical Twilight 5:36 AM MDT 7:53 PM MDT
Astronomical Twilight 5:01 AM MDT 8:27 PM MDT
Moon 1:15 PM MDT (9/21) 10:40 PM MDT (9/21)
Length of Visible Light 13h 09m
Length of Day
12h 11m
Waxing Crescent, 38% of the Moon is Illuminated
Sep 21
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Hourly Weather History & Observations

Time (MDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 54.0 °F 32.0 °F 43% 30.00 in 10.0 mi NNW 9.2 mph - N/A   Clear
1:52 AM 46.9 °F 30.9 °F 54% 30.02 in 10.0 mi WNW 4.6 mph - N/A   Clear
2:52 AM 48.9 °F 30.9 °F 50% 30.02 in 10.0 mi NW 8.1 mph - N/A   Clear
3:52 AM 46.9 °F 30.9 °F 54% 30.01 in 10.0 mi NW 6.9 mph - N/A   Clear
4:52 AM 48.0 °F 32.0 °F 54% 30.01 in 10.0 mi NW 8.1 mph - N/A   Clear
5:52 AM 48.9 °F 32.0 °F 52% 30.02 in 10.0 mi NW 9.2 mph - N/A   Clear
6:52 AM 48.9 °F 32.0 °F 52% 30.04 in 10.0 mi WNW 6.9 mph - N/A   Clear
7:52 AM 57.9 °F 33.1 °F 39% 30.05 in 10.0 mi NW 5.8 mph - N/A   Clear
8:52 AM 66.9 °F 33.1 °F 28% 30.03 in 10.0 mi NNW 20.7 mph 26.5 mph N/A   Clear
9:52 AM 69.1 °F 33.1 °F 26% 30.03 in 10.0 mi NNW 23.0 mph 33.4 mph N/A   Clear
10:52 AM 73.0 °F 34.0 °F 24% 30.03 in 10.0 mi North 25.3 mph 38.0 mph N/A   Clear
11:52 AM 75.0 °F 34.0 °F 22% 30.00 in 10.0 mi NW 27.6 mph 40.3 mph N/A   Clear
12:52 PM 77.0 °F 35.1 °F 22% 29.99 in 10.0 mi NNW 25.3 mph 38.0 mph N/A   Clear
1:52 PM 78.1 °F 34.0 °F 20% 29.99 in 10.0 mi NNW 29.9 mph 39.1 mph N/A   Clear
2:52 PM 78.1 °F 34.0 °F 20% 29.97 in 10.0 mi NNW 32.2 mph 43.7 mph N/A   Clear
3:52 PM 78.1 °F 33.1 °F 19% 29.98 in 10.0 mi North 27.6 mph 36.8 mph N/A   Clear
4:52 PM 75.9 °F 32.0 °F 20% 30.00 in 10.0 mi NNW 26.5 mph 36.8 mph N/A   Clear
5:52 PM 72.0 °F 33.1 °F 24% 30.02 in 10.0 mi North 24.2 mph 31.1 mph N/A   Clear
6:52 PM 66.9 °F 30.9 °F 26% 30.06 in 10.0 mi North 16.1 mph - N/A   Clear
7:52 PM 61.0 °F 30.0 °F 31% 30.09 in 10.0 mi North 12.7 mph - N/A   Clear
8:52 PM 53.1 °F 28.9 °F 40% 30.12 in 10.0 mi NNW 6.9 mph - N/A   Clear
9:52 PM 48.0 °F 28.0 °F 46% 30.15 in 10.0 mi NW 4.6 mph - N/A   Clear
10:52 PM 50.0 °F 28.0 °F 43% 30.16 in 10.0 mi NNW 9.2 mph - N/A   Clear
11:52 PM 48.0 °F 27.0 °F 44% 30.17 in 10.0 mi NNW 9.2 mph - N/A   Clear