Weather History for Spearfish, SD

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Saturday, October 19, 2013

  Actual Average (KEFC) Record (KEFC)
Temperature  
Mean Temperature 48 °F -  
Max Temperature 55 °F 63 °F 87 °F (1958)
Min Temperature 42 °F 29 °F 8 °F (1960)
Degree Days  
Heating Degree Days 16    
Moisture  
Dew Point 29 °F    
Average Humidity 48    
Maximum Humidity 57    
Minimum Humidity 38    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.85 in    
Wind  
Wind Speed 15 mph (West)    
Max Wind Speed 24 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Oct. 19, 2013 Rise Set
Actual Time 8:15 AM CDT 7:03 PM CDT
Civil Twilight 7:46 AM CDT 7:33 PM CDT
Nautical Twilight 7:12 AM CDT 8:06 PM CDT
Astronomical Twilight 6:38 AM CDT 8:40 PM CDT
Moon 7:29 PM CDT (10/19) 8:58 AM CDT (10/19)
Length of Visible Light 11h 46m
Length of Day
10h 47m
Waxing Gibbous, 99% of the Moon is Illuminated
Oct 19
Waxing Gibbous
Oct 26
Last Quarter
Nov 3
New
Nov 9
First Quarter
Nov 17
Full

Hourly Weather History & Observations

Time (CDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 44.6 °F 36.6 °F 26.6 °F 49% 29.91 in 10.0 mi West 19.6 mph - N/A   Overcast
12:35 AM 44.6 °F 37.8 °F 26.6 °F 49% 29.91 in 10.0 mi West 15.0 mph 21.9 mph N/A   Overcast
12:55 AM 44.6 °F 37.4 °F 26.6 °F 49% 29.90 in 10.0 mi West 16.1 mph 25.3 mph N/A   Overcast
1:15 AM 44.6 °F 37.2 °F 26.6 °F 49% 29.90 in 10.0 mi West 17.3 mph 21.9 mph N/A   Overcast
1:35 AM 44.6 °F 36.9 °F 26.6 °F 49% 29.89 in 10.0 mi West 18.4 mph 25.3 mph N/A   Overcast
1:55 AM 44.6 °F 37.4 °F 26.6 °F 49% 29.89 in 10.0 mi West 16.1 mph 21.9 mph N/A   Overcast
2:15 AM 44.6 °F 37.4 °F 26.6 °F 49% 29.88 in 10.0 mi West 16.1 mph 23.0 mph N/A   Overcast
2:35 AM 44.6 °F 36.9 °F 26.6 °F 49% 29.88 in 10.0 mi West 18.4 mph 25.3 mph N/A   Overcast
2:55 AM 44.6 °F 37.4 °F 26.6 °F 49% 29.88 in 10.0 mi West 16.1 mph 23.0 mph N/A   Overcast
3:15 AM 44.6 °F 37.4 °F 26.6 °F 49% 29.88 in 10.0 mi West 16.1 mph 21.9 mph N/A   Overcast
3:35 AM 44.6 °F 37.4 °F 26.6 °F 49% 29.88 in 10.0 mi West 16.1 mph - N/A   Overcast
3:55 AM 44.6 °F 37.4 °F 26.6 °F 49% 29.88 in 10.0 mi West 16.1 mph 21.9 mph N/A   Scattered Clouds
4:15 AM 44.6 °F 37.8 °F 26.6 °F 49% 29.88 in 10.0 mi West 15.0 mph 20.7 mph N/A   Clear
4:35 AM 44.6 °F 37.8 °F 26.6 °F 49% 29.88 in 10.0 mi West 15.0 mph - N/A   Scattered Clouds
4:55 AM 44.6 °F 38.1 °F 26.6 °F 49% 29.87 in 10.0 mi West 13.8 mph 21.9 mph N/A   Mostly Cloudy
5:15 AM 44.6 °F 37.4 °F 26.6 °F 49% 29.88 in 10.0 mi West 16.1 mph 20.7 mph N/A   Overcast
5:35 AM 44.6 °F 38.1 °F 26.6 °F 49% 29.88 in 10.0 mi WNW 13.8 mph 23.0 mph N/A   Overcast
5:55 AM 44.6 °F 37.8 °F 26.6 °F 49% 29.87 in 10.0 mi West 15.0 mph - N/A   Overcast
6:15 AM 44.6 °F 38.4 °F 26.6 °F 49% 29.88 in 10.0 mi West 12.7 mph - N/A   Overcast
6:35 AM 44.6 °F 38.8 °F 28.4 °F 53% 29.88 in 10.0 mi West 11.5 mph - N/A   Overcast
6:55 AM 44.6 °F 37.4 °F 28.4 °F 53% 29.88 in 10.0 mi West 16.1 mph 19.6 mph N/A   Overcast
7:15 AM 44.6 °F 37.8 °F 28.4 °F 53% 29.88 in 10.0 mi West 15.0 mph 24.2 mph N/A   Overcast
7:35 AM 44.6 °F 39.2 °F 28.4 °F 53% 29.88 in 10.0 mi West 10.4 mph - N/A   Overcast
7:55 AM 42.8 °F 37.0 °F 28.4 °F 57% 29.88 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
8:15 AM 44.6 °F 38.4 °F 28.4 °F 53% 29.89 in 10.0 mi West 12.7 mph 18.4 mph N/A   Clear
8:35 AM 44.6 °F 38.8 °F 28.4 °F 53% 29.90 in 10.0 mi West 11.5 mph 23.0 mph N/A   Clear
8:55 AM 44.6 °F 38.8 °F 28.4 °F 53% 29.90 in 10.0 mi West 11.5 mph 19.6 mph N/A   Clear
9:15 AM 44.6 °F 38.8 °F 28.4 °F 53% 29.90 in 10.0 mi West 11.5 mph 18.4 mph N/A   Clear
9:35 AM 44.6 °F 38.4 °F 28.4 °F 53% 29.90 in 10.0 mi West 12.7 mph 20.7 mph N/A   Clear
9:55 AM 46.4 °F 40.7 °F 28.4 °F 50% 29.90 in 10.0 mi West 12.7 mph 23.0 mph N/A   Clear
10:15 AM 46.4 °F 40.1 °F 28.4 °F 50% 29.89 in 10.0 mi WNW 15.0 mph 21.9 mph N/A   Partly Cloudy
10:35 AM 46.4 °F 39.5 °F 28.4 °F 50% 29.89 in 10.0 mi WNW 17.3 mph 21.9 mph N/A   Clear
10:55 AM 48.2 °F - 28.4 °F 46% 29.89 in 10.0 mi WNW 19.6 mph 24.2 mph N/A   Clear
12:55 PM 51.8 °F - 28.4 °F 41% 29.85 in 10.0 mi West 24.2 mph 27.6 mph N/A   Clear
1:15 PM 51.8 °F - 30.2 °F 44% 29.85 in 10.0 mi West 17.3 mph 28.8 mph N/A   Clear
1:55 PM 53.6 °F - 30.2 °F 41% 29.84 in 10.0 mi WNW 18.4 mph 25.3 mph N/A   Clear
2:15 PM 53.6 °F - 30.2 °F 41% 29.83 in 10.0 mi WNW 16.1 mph 23.0 mph N/A   Clear
2:35 PM 53.6 °F - 32.0 °F 44% 29.83 in 10.0 mi WNW 17.3 mph 24.2 mph N/A   Partly Cloudy
2:55 PM 53.6 °F - 30.2 °F 41% 29.83 in 10.0 mi WNW 19.6 mph 25.3 mph N/A   Clear
3:15 PM 53.6 °F - 32.0 °F 44% 29.82 in 10.0 mi WNW 15.0 mph 24.2 mph N/A   Clear
3:35 PM 53.6 °F - 30.2 °F 41% 29.82 in 10.0 mi WNW 17.3 mph 25.3 mph N/A   Clear
3:55 PM 55.4 °F - 32.0 °F 41% 29.82 in 10.0 mi WNW 17.3 mph 24.2 mph N/A   Clear
4:15 PM 55.4 °F - 32.0 °F 41% 29.81 in 10.0 mi WNW 17.3 mph 24.2 mph N/A   Clear
4:35 PM 55.4 °F - 30.2 °F 38% 29.81 in 10.0 mi West 16.1 mph 27.6 mph N/A   Clear
4:55 PM 55.4 °F - 32.0 °F 41% 29.81 in 10.0 mi West 15.0 mph 25.3 mph N/A   Clear
5:15 PM 53.6 °F - 32.0 °F 44% 29.81 in 10.0 mi West 12.7 mph - N/A   Clear
5:35 PM 53.6 °F - 32.0 °F 44% 29.80 in 10.0 mi West 11.5 mph 17.3 mph N/A   Clear
5:55 PM 51.8 °F - 32.0 °F 47% 29.80 in 10.0 mi West 10.4 mph - N/A   Clear
6:15 PM 51.8 °F - 32.0 °F 47% 29.81 in 10.0 mi WNW 9.2 mph - N/A   Clear
6:35 PM 50.0 °F - 32.0 °F 50% 29.81 in 10.0 mi West 8.1 mph - N/A   Clear
6:55 PM 50.0 °F - 32.0 °F 50% 29.81 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
7:15 PM 51.8 °F - 30.2 °F 44% 29.81 in 10.0 mi West 12.7 mph 19.6 mph N/A   Mostly Cloudy
7:35 PM 51.8 °F - 30.2 °F 44% 29.81 in 10.0 mi West 12.7 mph 18.4 mph N/A   Scattered Clouds
7:55 PM 50.0 °F - 30.2 °F 47% 29.81 in 10.0 mi West 10.4 mph - N/A   Overcast
8:15 PM 50.0 °F - 32.0 °F 50% 29.81 in 10.0 mi West 9.2 mph - N/A   Overcast
8:35 PM 50.0 °F - 32.0 °F 50% 29.81 in 10.0 mi West 10.4 mph - N/A   Overcast
8:55 PM 50.0 °F - 32.0 °F 50% 29.81 in 10.0 mi West 11.5 mph - N/A   Overcast
9:15 PM 50.0 °F - 32.0 °F 50% 29.81 in 10.0 mi West 11.5 mph 18.4 mph N/A   Overcast
9:35 PM 50.0 °F - 32.0 °F 50% 29.81 in 10.0 mi West 12.7 mph 18.4 mph N/A   Overcast
9:55 PM 51.8 °F - 32.0 °F 47% 29.81 in 10.0 mi West 15.0 mph 20.7 mph N/A   Overcast
10:15 PM 50.0 °F - 32.0 °F 50% 29.82 in 10.0 mi West 16.1 mph 19.6 mph N/A   Overcast
10:35 PM 50.0 °F - 32.0 °F 50% 29.82 in 10.0 mi WNW 15.0 mph 25.3 mph N/A   Overcast
10:55 PM 50.0 °F - 32.0 °F 50% 29.82 in 10.0 mi WNW 16.1 mph 24.2 mph N/A   Overcast
11:15 PM 50.0 °F - 32.0 °F 50% 29.82 in 10.0 mi WNW 15.0 mph 23.0 mph N/A   Overcast
11:35 PM 50.0 °F - 32.0 °F 50% 29.82 in 10.0 mi WNW 12.7 mph 19.6 mph N/A   Overcast
11:55 PM 50.0 °F - 32.0 °F 50% 29.82 in 10.0 mi WNW 13.8 mph 21.9 mph N/A   Overcast