Weather History for Spearfish, SD

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Sunday, October 7, 2012

  Actual Average (KEFC) Record (KEFC)
Temperature  
Mean Temperature 44 °F -  
Max Temperature 55 °F 67 °F 91 °F (1975)
Min Temperature 32 °F 35 °F 15 °F (2000)
Degree Days  
Heating Degree Days 22    
Moisture  
Dew Point 23 °F    
Average Humidity 43    
Maximum Humidity 57    
Minimum Humidity 31    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 13 mph (West)    
Max Wind Speed 22 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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Date:

Astronomy

Oct. 07, 2012 Rise Set
Actual Time 8:00 AM CDT 7:23 PM CDT
Civil Twilight 7:31 AM CDT 7:52 PM CDT
Nautical Twilight 6:58 AM CDT 8:26 PM CDT
Astronomical Twilight 6:24 AM CDT 9:00 PM CDT
Moon No Moon Rise 2:49 PM CDT (10/7)
Length of Visible Light 12h 21m
Length of Day
11h 22m
Waning Gibbous, 56% of the Moon is Illuminated
Oct 7
Waning Gibbous
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter
Oct 29
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 32.0 °F 26.4 °F 15.8 °F 51% 30.17 in 10.0 mi WSW 5.8 mph - N/A   Clear
12:35 AM 33.8 °F 23.9 °F 15.8 °F 48% 30.16 in 10.0 mi SW 15.0 mph 20.7 mph N/A   Clear
12:55 AM 33.8 °F 23.9 °F 15.8 °F 48% 30.15 in 10.0 mi SW 15.0 mph 19.6 mph N/A   Clear
1:15 AM 32.0 °F 23.6 °F 15.8 °F 51% 30.15 in 10.0 mi SW 10.4 mph - N/A   Clear
1:35 AM 32.0 °F 22.5 °F 14.0 °F 48% 30.15 in 10.0 mi WSW 12.7 mph 16.1 mph N/A   Clear
1:55 AM 33.8 °F 25.8 °F 14.0 °F 44% 30.14 in 10.0 mi SW 10.4 mph - N/A   Clear
2:15 AM 33.8 °F 25.8 °F 14.0 °F 44% 30.13 in 10.0 mi SW 10.4 mph 17.3 mph N/A   Clear
2:35 AM 33.8 °F 24.3 °F 14.0 °F 44% 30.13 in 10.0 mi WSW 13.8 mph 19.6 mph N/A   Clear
2:55 AM 35.6 °F 25.9 °F 12.2 °F 38% 30.12 in 10.0 mi WSW 16.1 mph 20.7 mph N/A   Clear
3:15 AM 35.6 °F 25.5 °F 12.2 °F 38% 30.12 in 10.0 mi WSW 17.3 mph 21.9 mph N/A   Clear
3:35 AM 37.4 °F 28.2 °F 10.4 °F 33% 30.10 in 10.0 mi WSW 16.1 mph 19.6 mph N/A   Clear
3:55 AM 35.6 °F 25.9 °F 10.4 °F 35% 30.10 in 10.0 mi WSW 16.1 mph 21.9 mph N/A   Clear
4:15 AM 37.4 °F 27.2 °F 10.4 °F 33% 30.08 in 10.0 mi SW 19.6 mph 25.3 mph N/A   Clear
4:35 AM 37.4 °F 29.3 °F 12.2 °F 36% 30.08 in 10.0 mi WSW 12.7 mph 18.4 mph N/A   Clear
4:55 AM 35.6 °F 27.5 °F 14.0 °F 41% 30.08 in 10.0 mi West 11.5 mph - N/A   Clear
5:15 AM 37.4 °F 29.3 °F 14.0 °F 38% 30.07 in 10.0 mi West 12.7 mph 21.9 mph N/A   Clear
5:35 AM 37.4 °F 28.9 °F 15.8 °F 41% 30.07 in 10.0 mi West 13.8 mph 18.4 mph N/A   Clear
5:55 AM 35.6 °F 27.1 °F 15.8 °F 44% 30.07 in 10.0 mi West 12.7 mph 19.6 mph N/A   Clear
6:15 AM 35.6 °F 27.5 °F 15.8 °F 44% 30.07 in 10.0 mi West 11.5 mph 17.3 mph N/A   Clear
6:35 AM 35.6 °F 27.1 °F 15.8 °F 44% 30.06 in 10.0 mi WSW 12.7 mph - N/A   Clear
6:55 AM 35.6 °F 27.1 °F 17.6 °F 48% 30.06 in 10.0 mi West 12.7 mph - N/A   Scattered Clouds
7:15 AM 35.6 °F 26.6 °F 17.6 °F 48% 30.06 in 10.0 mi West 13.8 mph - N/A   Clear
7:35 AM 35.6 °F 27.1 °F 19.4 °F 52% 30.06 in 10.0 mi West 12.7 mph - N/A   Clear
7:55 AM 37.4 °F 29.3 °F 23.0 °F 56% 30.06 in 10.0 mi WSW 12.7 mph - N/A   Mostly Cloudy
8:15 AM 37.4 °F 28.9 °F 23.0 °F 56% 30.06 in 10.0 mi West 13.8 mph - N/A   Overcast
8:35 AM 39.2 °F 31.6 °F 24.8 °F 56% 30.05 in 10.0 mi West 12.7 mph 17.3 mph N/A   Overcast
8:55 AM 39.2 °F 31.2 °F 24.8 °F 56% 30.06 in 10.0 mi West 13.8 mph - N/A   Mostly Cloudy
9:15 AM 41.0 °F 34.3 °F 24.8 °F 53% 30.06 in 10.0 mi West 11.5 mph 16.1 mph N/A   Scattered Clouds
9:35 AM 41.0 °F 32.8 °F 24.8 °F 53% 30.06 in 10.0 mi West 16.1 mph 19.6 mph N/A   Mostly Cloudy
9:55 AM 42.8 °F 36.2 °F 24.8 °F 49% 30.05 in 10.0 mi West 12.7 mph 20.7 mph N/A   Partly Cloudy
10:15 AM 46.4 °F 40.1 °F 26.6 °F 46% 30.05 in 10.0 mi West 15.0 mph 20.7 mph N/A   Mostly Cloudy
10:35 AM 46.4 °F 40.1 °F 28.4 °F 50% 30.05 in 10.0 mi West 15.0 mph 24.2 mph N/A   Overcast
10:55 AM 44.6 °F 36.9 °F 28.4 °F 53% 30.05 in 10.0 mi West 18.4 mph 27.6 mph N/A   Overcast
11:15 AM 46.4 °F 39.5 °F 30.2 °F 53% 30.05 in 10.0 mi West 17.3 mph 26.5 mph N/A   Mostly Cloudy
11:35 AM 48.2 °F - 30.2 °F 50% 30.04 in 10.0 mi West 18.4 mph 26.5 mph N/A   Scattered Clouds
11:55 AM 46.4 °F 39.8 °F 30.2 °F 53% 30.04 in 10.0 mi West 16.1 mph 21.9 mph N/A   Overcast
12:15 PM 46.4 °F 38.5 °F 32.0 °F 57% 30.04 in 10.0 mi West 21.9 mph 26.5 mph N/A   Overcast
12:35 PM 46.4 °F 39.5 °F 30.2 °F 53% 30.04 in 10.0 mi West 17.3 mph 23.0 mph N/A   Mostly Cloudy
12:55 PM 50.0 °F - 32.0 °F 50% 30.03 in 10.0 mi West 18.4 mph 24.2 mph N/A   Mostly Cloudy
1:15 PM 50.0 °F - 32.0 °F 50% 30.02 in 10.0 mi West 16.1 mph 24.2 mph N/A   Mostly Cloudy
1:35 PM 50.0 °F - 30.2 °F 47% 30.01 in 10.0 mi West 17.3 mph 27.6 mph N/A   Scattered Clouds
1:55 PM 50.0 °F - 30.2 °F 47% 30.01 in 10.0 mi WNW 16.1 mph 28.8 mph N/A   Scattered Clouds
2:55 PM 53.6 °F - 28.4 °F 38% 29.97 in 10.0 mi West 13.8 mph 25.3 mph N/A   Partly Cloudy
3:15 PM 53.6 °F - 26.6 °F 35% 29.96 in 10.0 mi West 16.1 mph 24.2 mph N/A   Partly Cloudy
3:35 PM 55.4 °F - 26.6 °F 33% 29.95 in 10.0 mi West 18.4 mph 27.6 mph N/A   Scattered Clouds
3:55 PM 55.4 °F - 26.6 °F 33% 29.95 in 10.0 mi NW 15.0 mph 23.0 mph N/A   Scattered Clouds
4:15 PM 55.4 °F - 26.6 °F 33% 29.95 in 10.0 mi West 18.4 mph 24.2 mph N/A   Clear
4:35 PM 55.4 °F - 24.8 °F 31% 29.94 in 10.0 mi WNW 16.1 mph 24.2 mph N/A   Clear
4:55 PM 55.4 °F - 24.8 °F 31% 29.94 in 10.0 mi NW 18.4 mph 24.2 mph N/A   Clear
5:15 PM 55.4 °F - 26.6 °F 33% 29.93 in 10.0 mi West 20.7 mph 24.2 mph N/A   Clear
5:35 PM 55.4 °F - 26.6 °F 33% 29.93 in 10.0 mi West 17.3 mph 23.0 mph N/A   Partly Cloudy
5:55 PM 55.4 °F - 26.6 °F 33% 29.92 in 10.0 mi West 17.3 mph 25.3 mph N/A   Partly Cloudy
6:15 PM 55.4 °F - 24.8 °F 31% 29.92 in 10.0 mi West 12.7 mph 24.2 mph N/A   Clear
6:35 PM 53.6 °F - 24.8 °F 33% 29.92 in 10.0 mi WNW 11.5 mph 16.1 mph N/A   Clear
6:55 PM 53.6 °F - 24.8 °F 33% 29.91 in 10.0 mi West 8.1 mph - N/A   Clear
7:15 PM 50.0 °F - 24.8 °F 37% 29.91 in 10.0 mi West 8.1 mph - N/A   Clear
7:35 PM 48.2 °F - 24.8 °F 40% 29.91 in 10.0 mi West 5.8 mph - N/A   Clear
7:55 PM 48.2 °F - 24.8 °F 40% 29.91 in 10.0 mi West 6.9 mph - N/A   Clear
8:15 PM 48.2 °F - 26.6 °F 43% 29.91 in 10.0 mi West 5.8 mph - N/A   Clear
8:35 PM 48.2 °F - 26.6 °F 43% 29.91 in 10.0 mi West 9.2 mph - N/A   Clear
8:55 PM 48.2 °F - 26.6 °F 43% 29.91 in 10.0 mi West 8.1 mph - N/A   Clear
9:15 PM 48.2 °F - 26.6 °F 43% 29.91 in 10.0 mi West 8.1 mph - N/A   Clear
9:35 PM 46.4 °F 42.4 °F 26.6 °F 46% 29.91 in 10.0 mi West 8.1 mph - N/A   Clear
9:55 PM 46.4 °F 42.9 °F 26.6 °F 46% 29.91 in 10.0 mi West 6.9 mph - N/A   Clear
10:15 PM 46.4 °F 41.9 °F 26.6 °F 46% 29.91 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
10:35 PM 48.2 °F - 26.6 °F 43% 29.90 in 10.0 mi West 9.2 mph - N/A   Overcast
10:55 PM 50.0 °F - 26.6 °F 40% 29.90 in 10.0 mi WSW 11.5 mph 19.6 mph N/A   Overcast
11:15 PM 50.0 °F - 26.6 °F 40% 29.89 in 10.0 mi WSW 12.7 mph - N/A   Overcast
11:35 PM 50.0 °F - 24.8 °F 37% 29.89 in 10.0 mi West 9.2 mph - N/A   Overcast
11:55 PM 50.0 °F - 24.8 °F 37% 29.89 in 10.0 mi West 11.5 mph - N/A   Overcast