Spearfish, SD

7:04 AM MST on November 20, 2017 (GMT -0700)
Black Hills-Ice

Weather History for KSPF - December, 2013

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Saturday, December 7, 2013

  Actual Average (KEFC) Record (KEFC)
Temperature  
Mean Temperature -14 °F -  
Max Temperature -9 °F 37 °F 62 °F (1970)
Min Temperature -20 °F 13 °F -18 °F (1972)
Degree Days  
Heating Degree Days 80    
Moisture  
Dew Point -21 °F    
Average Humidity 75    
Maximum Humidity 84    
Minimum Humidity 70    
Precipitation  
Precipitation 0.08 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.16 in    
Wind  
Wind Speed 3 mph (East)    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 9 miles    
Events Snow    
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. 07, 2013 Rise Set
Actual Time 8:18 AM CST 5:15 PM CST
Civil Twilight 7:44 AM CST 5:48 PM CST
Nautical Twilight 7:08 AM CST 6:25 PM CST
Astronomical Twilight 6:33 AM CST 7:00 PM CST
Moon 11:56 AM CST (12/7) 11:09 PM CST (12/7)
Length of Visible Light 10h 03m
Length of Day
8h 57m
Waxing Crescent, 29% of the Moon is Illuminated
Dec 7
Waxing Crescent
Dec 9
First Quarter
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:35 AM -18.4 °F - -23.8 °F 76% 30.34 in 10.0 mi Calm Calm - N/A Snow Light Snow
1:15 AM -18.4 °F -31.4 °F -25.6 °F 70% 30.33 in 10.0 mi South 4.6 mph - N/A   Clear
1:35 AM -18.4 °F - -25.6 °F 70% 30.32 in 10.0 mi Calm Calm - N/A   Clear
1:55 AM -18.4 °F -28.9 °F -25.6 °F 70% 30.32 in 10.0 mi SSE 3.5 mph - N/A Snow Light Snow
2:15 AM -18.4 °F -31.4 °F -25.6 °F 70% 30.31 in 10.0 mi South 4.6 mph - N/A Snow Light Snow
2:35 AM -18.4 °F -28.9 °F -23.8 °F 76% 30.31 in 10.0 mi SSE 3.5 mph - N/A Snow Light Snow
2:55 AM -18.4 °F - -25.6 °F 70% 30.31 in 10.0 mi Calm Calm - N/A Snow Light Snow
3:15 AM -18.4 °F - -25.6 °F 70% 30.31 in 10.0 mi Calm Calm - N/A   Clear
3:35 AM -18.4 °F - -25.6 °F 70% 30.31 in 10.0 mi Calm Calm - N/A   Clear
3:55 AM -18.4 °F -31.4 °F -25.6 °F 70% 30.31 in 10.0 mi SSE 4.6 mph - N/A Snow Light Snow
4:15 AM -18.4 °F - -23.8 °F 76% 30.31 in 10.0 mi Calm Calm - N/A   Clear
4:35 AM -18.4 °F -31.4 °F -25.6 °F 70% 30.30 in 10.0 mi South 4.6 mph - N/A   Clear
4:55 AM -18.4 °F -31.4 °F -25.6 °F 70% 30.29 in 10.0 mi South 4.6 mph - N/A Snow Light Snow
5:15 AM -18.4 °F -31.4 °F -25.6 °F 70% 30.29 in 10.0 mi South 4.6 mph - N/A Snow Light Snow
5:35 AM -18.4 °F - -25.6 °F 70% 30.29 in 10.0 mi Calm Calm - N/A Snow Light Snow
5:55 AM -18.4 °F -31.4 °F -25.6 °F 70% 30.28 in 10.0 mi SSE 4.6 mph - N/A   Clear
6:15 AM -20.2 °F -35.5 °F -25.6 °F 76% 30.27 in 10.0 mi SE 5.8 mph - N/A Snow Light Snow
6:35 AM -20.2 °F -35.5 °F -25.6 °F 76% 30.27 in - ESE 5.8 mph - N/A Snow Heavy Snow
6:55 AM -20.2 °F -35.5 °F -25.6 °F 76% 30.26 in - SE 5.8 mph - N/A Snow Heavy Snow
7:15 AM -20.2 °F -33.5 °F -25.6 °F 76% 30.26 in - SE 4.6 mph - N/A   Clear
7:35 AM -20.2 °F -33.5 °F -25.6 °F 76% 30.26 in - ESE 4.6 mph - N/A   Clear
7:55 AM -18.4 °F - -25.6 °F 70% 30.26 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:15 AM -18.4 °F - -23.8 °F 76% 30.26 in 10.0 mi Calm Calm - N/A   Overcast
8:35 AM -18.4 °F -28.9 °F -25.6 °F 70% 30.26 in 10.0 mi SSW 3.5 mph - N/A Snow Light Snow
8:55 AM -18.4 °F - -25.6 °F 70% 30.25 in 10.0 mi Calm Calm - N/A Snow Light Snow
9:15 AM -16.6 °F - -22.0 °F 76% 30.25 in 10.0 mi Calm Calm - N/A   Overcast
9:35 AM -14.8 °F - -20.2 °F 77% 30.26 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:55 AM -14.8 °F - -20.2 °F 77% 30.25 in 10.0 mi Calm Calm - N/A   Clear
10:15 AM -14.8 °F -24.8 °F -20.2 °F 77% 30.25 in 10.0 mi East 3.5 mph - N/A   Clear
10:35 AM -14.8 °F -24.8 °F -20.2 °F 77% 30.24 in 10.0 mi East 3.5 mph - N/A   Clear
10:55 AM -13.0 °F - -20.2 °F 70% 30.24 in 10.0 mi Calm Calm - N/A   Clear
11:15 AM -13.0 °F -25.1 °F -18.4 °F 77% 30.24 in 10.0 mi NNE 4.6 mph - N/A   Clear
11:35 AM -13.0 °F -28.6 °F -18.4 °F 77% 30.23 in 10.0 mi NE 6.9 mph - N/A   Clear
11:55 AM -13.0 °F -27.0 °F -18.4 °F 77% 30.22 in 10.0 mi NNE 5.8 mph - N/A   Clear
12:15 PM -13.0 °F -27.0 °F -18.4 °F 77% 30.20 in 10.0 mi NE 5.8 mph - N/A   Clear
12:35 PM -13.0 °F -28.6 °F -18.4 °F 77% 30.18 in 10.0 mi NE 6.9 mph - N/A   Clear
12:55 PM -13.0 °F -28.6 °F -18.4 °F 77% 30.17 in 10.0 mi NNE 6.9 mph - N/A   Clear
1:15 PM -13.0 °F -28.6 °F -18.4 °F 77% 30.17 in 10.0 mi NE 6.9 mph - N/A   Clear
1:35 PM -11.2 °F -27.8 °F -18.4 °F 70% 30.15 in 10.0 mi NE 8.1 mph - N/A   Clear
1:55 PM -11.2 °F -27.8 °F -18.4 °F 70% 30.14 in 10.0 mi NNE 8.1 mph - N/A   Clear
2:15 PM -11.2 °F -26.4 °F -16.6 °F 77% 30.13 in 10.0 mi NE 6.9 mph - N/A   Clear
2:35 PM -11.2 °F -24.8 °F -16.6 °F 77% 30.12 in 10.0 mi NNE 5.8 mph - N/A   Clear
2:55 PM -11.2 °F -23.0 °F -16.6 °F 77% 30.10 in 10.0 mi NE 4.6 mph - N/A   Clear
3:15 PM -11.2 °F -24.8 °F -16.6 °F 77% 30.09 in 10.0 mi NE 5.8 mph - N/A   Clear
3:35 PM -11.2 °F -23.0 °F -16.6 °F 77% 30.09 in 10.0 mi ENE 4.6 mph - N/A   Clear
3:55 PM -9.4 °F -24.3 °F -16.6 °F 71% 30.08 in 10.0 mi East 6.9 mph - N/A   Clear
4:15 PM -11.2 °F -26.4 °F -16.6 °F 77% 30.07 in 10.0 mi East 6.9 mph - N/A   Clear
4:35 PM -11.2 °F -24.8 °F -18.4 °F 70% 30.06 in 10.0 mi East 5.8 mph - N/A Snow Light Snow
4:55 PM -13.0 °F -27.0 °F -18.4 °F 77% 30.06 in 10.0 mi East 5.8 mph - N/A Snow Light Snow
5:15 PM -13.0 °F -28.6 °F -18.4 °F 77% 30.06 in 10.0 mi ENE 6.9 mph - N/A Snow Light Snow
5:35 PM -13.0 °F -27.0 °F -20.2 °F 70% 30.05 in 10.0 mi East 5.8 mph - N/A Snow Light Snow
5:55 PM -14.8 °F -30.8 °F -20.2 °F 77% 30.04 in 10.0 mi ESE 6.9 mph - N/A Snow Light Snow
6:15 PM -14.8 °F -27.2 °F -20.2 °F 77% 30.04 in 10.0 mi East 4.6 mph - N/A Snow Light Snow
6:35 PM -16.6 °F - -20.2 °F 84% 30.04 in 10.0 mi Calm Calm - N/A Snow Light Snow
6:55 PM -16.6 °F - -22.0 °F 76% 30.03 in 10.0 mi Calm Calm - N/A   Clear
7:15 PM -16.6 °F - -20.2 °F 84% 30.02 in 10.0 mi Calm Calm - N/A   Clear
7:35 PM -14.8 °F - -20.2 °F 77% 30.02 in 10.0 mi Calm Calm - N/A Snow Light Snow
7:55 PM -14.8 °F -24.8 °F -20.2 °F 77% 30.02 in 10.0 mi ENE 3.5 mph - N/A Snow Light Snow
8:15 PM -14.8 °F - -20.2 °F 77% 30.01 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:35 PM -14.8 °F - -20.2 °F 77% 30.00 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:55 PM -14.8 °F - -20.2 °F 77% 30.00 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:15 PM -14.8 °F - -20.2 °F 77% 30.00 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:35 PM -13.0 °F - -20.2 °F 70% 29.99 in 7.0 mi Calm Calm - N/A Snow Light Snow
9:55 PM -13.0 °F - -18.4 °F 77% 29.98 in 10.0 mi Calm Calm - N/A Snow Light Snow
10:15 PM -13.0 °F - -18.4 °F 77% 29.98 in 7.0 mi Calm Calm - N/A Snow Light Snow
10:35 PM -13.0 °F - -18.4 °F 77% 29.97 in 3.0 mi Calm Calm - 0.01 in Snow Light Snow
10:55 PM -11.2 °F -20.6 °F -18.4 °F 70% 29.97 in 2.5 mi East 3.5 mph - 0.03 in Snow Light Snow
11:15 PM -11.2 °F - -18.4 °F 70% 29.97 in 2.0 mi Calm Calm - 0.01 in Snow Light Snow
11:35 PM -11.2 °F - -16.6 °F 77% 29.96 in 3.0 mi Calm Calm - 0.03 in Snow Light Snow
11:55 PM -11.2 °F - -16.6 °F 77% 29.95 in 2.5 mi Calm Calm - 0.05 in Snow Light Snow