Spearfish, SD

11:02 PM MDT on June 24, 2017 (GMT -0600)
Black Hills-Ice

Weather History for KSPF - December, 2011

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Monday, December 26, 2011

  Actual Average (KEFC) Record (KEFC)
Temperature  
Mean Temperature 41 °F -  
Max Temperature 50 °F 34 °F 58 °F (1972)
Min Temperature 32 °F 13 °F -18 °F (1951)
Degree Days  
Heating Degree Days 24    
Moisture  
Dew Point 17 °F    
Average Humidity 42    
Maximum Humidity 56    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.94 in    
Wind  
Wind Speed 18 mph (WNW)    
Max Wind Speed 29 mph    
Max Gust Speed 43 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

Dec. 26, 2011 Rise Set
Actual Time 8:30 AM CST 5:21 PM CST
Civil Twilight 7:56 AM CST 5:54 PM CST
Nautical Twilight 7:20 AM CST 6:31 PM CST
Astronomical Twilight 6:44 AM CST 7:06 PM CST
Moon 9:47 AM CST (12/26) 7:56 PM CST (12/26)
Length of Visible Light 9h 57m
Length of Day
8h 50m
Waxing Crescent, 5% of the Moon is Illuminated
Dec 26
Waxing Crescent
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter
Jan 23
New

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 50.0 °F - 23.0 °F 35% 29.75 in 10.0 mi NW 17.3 mph 41.4 mph N/A   Clear
12:35 AM 48.2 °F - 21.2 °F 34% 29.75 in 10.0 mi WNW 20.7 mph 39.1 mph N/A   Clear
12:55 AM 48.2 °F - 23.0 °F 37% 29.72 in 10.0 mi WSW 27.6 mph 40.3 mph N/A   Clear
1:15 AM 50.0 °F - 21.2 °F 32% 29.71 in 10.0 mi WSW 28.8 mph 40.3 mph N/A   Clear
1:35 AM 50.0 °F - 21.2 °F 32% 29.72 in 10.0 mi WSW 25.3 mph 38.0 mph N/A   Clear
2:15 AM 46.4 °F 39.5 °F 21.2 °F 37% 29.76 in 10.0 mi WNW 17.3 mph 31.1 mph N/A   Clear
2:35 AM 44.6 °F 39.2 °F 23.0 °F 43% 29.77 in 10.0 mi WNW 10.4 mph - N/A   Clear
2:55 AM 44.6 °F 38.8 °F 21.2 °F 39% 29.79 in 10.0 mi West 11.5 mph 17.3 mph N/A   Clear
3:15 AM 44.6 °F 39.2 °F 21.2 °F 39% 29.80 in 10.0 mi WSW 10.4 mph - N/A   Clear
3:55 AM 42.8 °F 37.5 °F 21.2 °F 42% 29.81 in 10.0 mi West 9.2 mph - N/A   Clear
4:15 AM 46.4 °F 41.5 °F 19.4 °F 34% 29.82 in 10.0 mi West 10.4 mph - N/A   Clear
4:55 AM 44.6 °F 37.2 °F 17.6 °F 34% 29.84 in 10.0 mi WNW 17.3 mph 25.3 mph N/A   Clear
5:15 AM 44.6 °F 36.4 °F 17.6 °F 34% 29.86 in 10.0 mi WNW 20.7 mph 27.6 mph N/A   Clear
5:35 AM 41.0 °F 33.5 °F 17.6 °F 39% 29.88 in 10.0 mi NW 13.8 mph 21.9 mph N/A   Clear
5:55 AM 39.2 °F 32.5 °F 17.6 °F 42% 29.89 in 10.0 mi WNW 10.4 mph 23.0 mph N/A   Clear
6:15 AM 39.2 °F 32.0 °F 17.6 °F 42% 29.88 in 10.0 mi WNW 11.5 mph - N/A   Partly Cloudy
6:35 AM 39.2 °F 32.5 °F 17.6 °F 42% 29.89 in 10.0 mi West 10.4 mph 18.4 mph N/A   Clear
6:55 AM 39.2 °F 33.0 °F 15.8 °F 39% 29.89 in 10.0 mi West 9.2 mph 17.3 mph N/A   Partly Cloudy
7:15 AM 37.4 °F 31.4 °F 15.8 °F 41% 29.89 in 10.0 mi West 8.1 mph - N/A   Scattered Clouds
7:35 AM 39.2 °F 29.6 °F 14.0 °F 36% 29.88 in 10.0 mi West 19.6 mph 27.6 mph N/A   Partly Cloudy
8:15 AM 39.2 °F 30.5 °F 14.0 °F 36% 29.90 in 10.0 mi WNW 16.1 mph 24.2 mph N/A   Scattered Clouds
8:35 AM 39.2 °F 30.2 °F 14.0 °F 36% 29.90 in 10.0 mi West 17.3 mph 25.3 mph N/A   Mostly Cloudy
8:55 AM 39.2 °F 29.8 °F 14.0 °F 36% 29.91 in 10.0 mi West 18.4 mph 27.6 mph N/A   Mostly Cloudy
9:15 AM 39.2 °F 29.6 °F 14.0 °F 36% 29.92 in 10.0 mi West 19.6 mph 27.6 mph N/A   Clear
9:35 AM 39.2 °F 30.5 °F 15.8 °F 39% 29.93 in 10.0 mi WNW 16.1 mph 28.8 mph N/A   Partly Cloudy
9:55 AM 39.2 °F 29.6 °F 14.0 °F 36% 29.95 in 10.0 mi WNW 19.6 mph 35.7 mph N/A   Clear
10:15 AM 39.2 °F 30.2 °F 14.0 °F 36% 29.95 in 10.0 mi WNW 17.3 mph 28.8 mph N/A   Clear
10:35 AM 39.2 °F 29.0 °F 15.8 °F 39% 29.96 in 10.0 mi WNW 21.9 mph 29.9 mph N/A   Clear
10:55 AM 39.2 °F 29.3 °F 14.0 °F 36% 29.96 in 10.0 mi WNW 20.7 mph 33.4 mph N/A   Clear
11:15 AM 39.2 °F 27.8 °F 14.0 °F 36% 29.97 in 10.0 mi WNW 27.6 mph 38.0 mph N/A   Clear
11:35 AM 39.2 °F 27.6 °F 14.0 °F 36% 29.97 in 10.0 mi WNW 28.8 mph 42.6 mph N/A   Clear
11:55 AM 39.2 °F 28.3 °F 14.0 °F 36% 29.97 in 10.0 mi WNW 25.3 mph 39.1 mph N/A   Clear
12:15 PM 39.2 °F 28.7 °F 15.8 °F 39% 29.97 in 10.0 mi WNW 23.0 mph 32.2 mph N/A   Clear
12:35 PM 39.2 °F 28.0 °F 15.8 °F 39% 29.97 in 10.0 mi WNW 26.5 mph 34.5 mph N/A   Clear
12:55 PM 39.2 °F 28.7 °F 15.8 °F 39% 29.96 in 10.0 mi WNW 23.0 mph 38.0 mph N/A   Clear
1:15 PM 39.2 °F 27.6 °F 15.8 °F 39% 29.97 in 10.0 mi WNW 28.8 mph 34.5 mph N/A   Clear
1:35 PM 39.2 °F 28.5 °F 17.6 °F 42% 29.97 in 10.0 mi NW 24.2 mph 39.1 mph N/A   Mostly Cloudy
1:55 PM 37.4 °F 26.1 °F 17.6 °F 45% 29.97 in 10.0 mi WNW 24.2 mph 33.4 mph N/A   Overcast
2:15 PM 37.4 °F 26.9 °F 17.6 °F 45% 29.99 in 10.0 mi WNW 20.7 mph 33.4 mph N/A   Overcast
2:35 PM 39.2 °F 28.7 °F 19.4 °F 45% 29.99 in 10.0 mi WNW 23.0 mph 34.5 mph N/A   Overcast
3:15 PM 37.4 °F 26.6 °F 19.4 °F 48% 30.01 in 10.0 mi WNW 21.9 mph 33.4 mph N/A   Overcast
3:35 PM 37.4 °F 28.5 °F 19.4 °F 48% 30.02 in 10.0 mi WNW 15.0 mph 29.9 mph N/A   Overcast
3:55 PM 37.4 °F 27.2 °F 17.6 °F 45% 30.03 in 10.0 mi WNW 19.6 mph 32.2 mph N/A   Overcast
4:15 PM 35.6 °F 25.5 °F 17.6 °F 48% 30.04 in 10.0 mi WNW 17.3 mph 31.1 mph N/A   Mostly Cloudy
4:35 PM 35.6 °F 25.9 °F 17.6 °F 48% 30.05 in 10.0 mi WNW 16.1 mph 25.3 mph N/A   Mostly Cloudy
4:55 PM 35.6 °F 25.2 °F 17.6 °F 48% 30.06 in 10.0 mi NW 18.4 mph 31.1 mph N/A   Overcast
5:15 PM 35.6 °F 24.8 °F 17.6 °F 48% 30.07 in 10.0 mi NW 19.6 mph 31.1 mph N/A   Overcast
5:35 PM 33.8 °F 23.9 °F 19.4 °F 56% 30.09 in 10.0 mi WNW 15.0 mph 21.9 mph N/A   Overcast
5:55 PM 33.8 °F 23.2 °F 19.4 °F 56% 30.10 in 10.0 mi WNW 17.3 mph 25.3 mph N/A   Overcast
6:15 PM 33.8 °F 23.5 °F 19.4 °F 56% 30.10 in 10.0 mi WNW 16.1 mph 20.7 mph N/A   Overcast
6:35 PM 32.0 °F 21.6 °F 17.6 °F 55% 30.11 in 10.0 mi WNW 15.0 mph - N/A   Scattered Clouds
6:55 PM 32.0 °F 22.5 °F 17.6 °F 55% 30.11 in 10.0 mi West 12.7 mph 20.7 mph N/A   Clear
7:15 PM 32.0 °F 22.5 °F 17.6 °F 55% 30.11 in 10.0 mi West 12.7 mph 19.6 mph N/A   Clear
7:35 PM 32.0 °F 23.0 °F 15.8 °F 51% 30.11 in 10.0 mi WNW 11.5 mph 17.3 mph N/A   Clear
7:55 PM 32.0 °F 22.5 °F 15.8 °F 51% 30.11 in 10.0 mi West 12.7 mph 18.4 mph N/A   Clear
8:15 PM 32.0 °F 23.6 °F 15.8 °F 51% 30.11 in 10.0 mi West 10.4 mph - N/A   Clear
8:35 PM 32.0 °F 23.6 °F 15.8 °F 51% 30.11 in 10.0 mi West 10.4 mph - N/A   Clear
8:55 PM 32.0 °F 23.6 °F 15.8 °F 51% 30.10 in 10.0 mi West 10.4 mph - N/A   Clear
9:15 PM 30.2 °F 23.4 °F 15.8 °F 55% 30.10 in 10.0 mi West 6.9 mph - N/A   Clear
9:35 PM 28.4 °F 19.1 °F 15.8 °F 59% 30.10 in 10.0 mi West 10.4 mph - N/A   Clear
9:55 PM 32.0 °F 23.0 °F 15.8 °F 51% 30.10 in 10.0 mi West 11.5 mph - N/A   Clear
10:15 PM 32.0 °F 22.5 °F 15.8 °F 51% 30.10 in 10.0 mi West 12.7 mph - N/A   Clear
10:55 PM 32.0 °F 22.5 °F 14.0 °F 48% 30.09 in 10.0 mi West 12.7 mph 19.6 mph N/A   Clear
11:15 PM 32.0 °F 22.5 °F 14.0 °F 48% 30.10 in 10.0 mi West 12.7 mph - N/A   Clear
11:35 PM 32.0 °F 22.5 °F 14.0 °F 48% 30.10 in 10.0 mi West 12.7 mph - N/A   Clear
11:55 PM 32.0 °F 23.6 °F 14.0 °F 48% 30.10 in 10.0 mi West 10.4 mph - N/A   Clear