Spearfish, SD

7:54 PM CST on January 21, 2017 (GMT -0600)
Spearfish

Weather History for KSPF - December, 2011

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Sunday, December 4, 2011

  Actual Average (KEFC) Record (KEFC)
Temperature  
Mean Temperature 17 °F -  
Max Temperature 24 °F 43 °F 66 °F (1975)
Min Temperature 10 °F 17 °F -10 °F (1984)
Degree Days  
Heating Degree Days 48    
Moisture  
Dew Point 10 °F    
Average Humidity 73    
Maximum Humidity 93    
Minimum Humidity 54    
Precipitation  
Precipitation 3.89 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.16 in    
Wind  
Wind Speed 14 mph (WNW)    
Max Wind Speed 30 mph    
Max Gust Speed 38 mph    
Visibility 7 miles    
Events Rain , 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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Daily Weather History Graph

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Date:

Astronomy

Dec. 04, 2011 Rise Set
Actual Time 8:14 AM CST 5:15 PM CST
Civil Twilight 7:41 AM CST 5:48 PM CST
Nautical Twilight 7:05 AM CST 6:25 PM CST
Astronomical Twilight 6:29 AM CST 7:00 PM CST
Moon 1:56 PM CST (12/4) 2:31 AM CST (12/4)
Length of Visible Light 10h 07m
Length of Day
9h 01m
Waxing Gibbous, 72% of the Moon is Illuminated
Dec 4
Waxing Gibbous
Dec 10
Full
Dec 17
Last Quarter
Dec 24
New
Jan 1
First Quarter

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 17.6 °F 8.2 °F 6.8 °F 63% 29.97 in 10.0 mi West 6.9 mph - N/A   Clear
12:35 AM 17.6 °F 9.3 °F 8.6 °F 68% 29.97 in 10.0 mi WNW 5.8 mph - N/A   Partly Cloudy
12:55 AM 17.6 °F 12.3 °F 8.6 °F 68% 29.96 in 10.0 mi NW 3.5 mph - N/A   Clear
1:15 AM 19.4 °F 8.6 °F 10.4 °F 68% 29.95 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
1:35 AM 21.2 °F 12.6 °F 8.6 °F 58% 29.95 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
2:15 AM 23.0 °F 13.1 °F 8.6 °F 54% 29.94 in 10.0 mi West 9.2 mph - N/A   Overcast
2:35 AM 23.0 °F 13.1 °F 8.6 °F 54% 29.93 in 10.0 mi WNW 9.2 mph - N/A   Overcast
2:55 AM 23.0 °F 13.9 °F 10.4 °F 59% 29.93 in 10.0 mi WNW 8.1 mph - N/A   Overcast
3:15 AM 23.0 °F 13.9 °F 8.6 °F 54% 29.93 in 10.0 mi West 8.1 mph - N/A   Overcast
3:35 AM 23.0 °F 9.2 °F 10.4 °F 59% 29.92 in 10.0 mi WSW 17.3 mph 20.7 mph N/A   Overcast
3:55 AM 24.8 °F 12.9 °F 10.4 °F 54% 29.92 in 10.0 mi WSW 13.8 mph - N/A   Overcast
4:15 AM 24.8 °F 13.4 °F 14.0 °F 64% 29.92 in 10.0 mi WSW 12.7 mph 21.9 mph N/A   Overcast
4:55 AM 23.0 °F 13.1 °F 15.8 °F 74% 29.92 in 7.0 mi WSW 9.2 mph - N/A Snow Light Snow
5:15 AM 24.8 °F 12.4 °F 17.6 °F 74% 29.92 in 5.0 mi West 15.0 mph 20.7 mph 0.01 in Snow Light Snow
5:35 AM 24.8 °F 11.9 °F 17.6 °F 74% 29.92 in 10.0 mi West 16.1 mph 21.9 mph 0.02 in Snow Light Snow
6:15 AM 24.8 °F 10.7 °F 17.6 °F 74% 29.94 in 10.0 mi West 19.6 mph 23.0 mph N/A   Mostly Cloudy
6:35 AM 24.8 °F 11.5 °F 17.6 °F 74% 29.95 in 10.0 mi West 17.3 mph 24.2 mph N/A Snow Light Snow
6:55 AM 24.8 °F 12.9 °F 17.6 °F 74% 29.96 in 10.0 mi WNW 13.8 mph 19.6 mph N/A Snow Light Snow
7:15 AM 24.8 °F 11.9 °F 19.4 °F 80% 29.97 in 1.2 mi West 16.1 mph 21.9 mph 0.27 in Snow Light Snow
7:35 AM 23.0 °F 10.6 °F 19.4 °F 86% 29.98 in 1.8 mi West 13.8 mph - 0.56 in Snow Light Snow
7:55 AM 23.0 °F 6.3 °F 19.4 °F 86% 30.00 in 2.0 mi NW 26.5 mph 36.8 mph 0.97 in Snow Light Snow
8:15 AM 23.0 °F 7.2 °F 17.6 °F 80% 30.03 in 7.0 mi WNW 23.0 mph 33.4 mph N/A Rain Light Freezing Rain
8:35 AM 21.2 °F 5.6 °F 15.8 °F 80% 30.04 in 3.0 mi WNW 20.7 mph 31.1 mph 0.03 in Snow Light Snow
8:55 AM 21.2 °F 6.4 °F 17.6 °F 86% 30.06 in 1.8 mi WNW 18.4 mph 28.8 mph 0.33 in Snow Light Snow
9:15 AM 21.2 °F 7.3 °F 15.8 °F 80% 30.07 in 10.0 mi WNW 16.1 mph 27.6 mph N/A Snow Light Snow
9:35 AM 21.2 °F 6.0 °F 17.6 °F 86% 30.08 in 5.0 mi NW 19.6 mph 29.9 mph 0.01 in Snow Light Snow
9:55 AM 21.2 °F 5.6 °F 17.6 °F 86% 30.09 in 0.5 mi NW 20.7 mph 29.9 mph 0.81 in Snow Snow
10:15 AM 19.4 °F 5.5 °F 17.6 °F 93% 30.11 in 1.5 mi NW 15.0 mph - 0.15 in Snow Light Snow
10:35 AM 21.2 °F 10.1 °F 17.6 °F 86% 30.11 in 1.0 mi WNW 10.4 mph - 0.40 in Snow Light Snow
10:55 AM 21.2 °F 6.8 °F 17.6 °F 86% 30.13 in 1.5 mi NW 17.3 mph 25.3 mph 0.97 in Snow Light Snow
11:15 AM 19.4 °F 2.8 °F 17.6 °F 93% 30.13 in 2.5 mi NW 21.9 mph 28.8 mph 0.06 in Snow Light Snow
11:35 AM 21.2 °F 6.4 °F 15.8 °F 80% 30.15 in 5.0 mi NW 18.4 mph 27.6 mph 0.10 in Snow Light Snow
11:55 AM 19.4 °F 3.6 °F 15.8 °F 86% 30.15 in 2.5 mi NW 19.6 mph 27.6 mph 0.16 in Snow Light Snow
12:15 PM 19.4 °F 2.1 °F 14.0 °F 80% 30.17 in 1.5 mi NW 24.2 mph 32.2 mph 0.07 in Snow Light Snow
12:35 PM 19.4 °F 1.4 °F 10.4 °F 68% 30.17 in 2.5 mi NW 26.5 mph 33.4 mph 0.12 in Snow Light Snow
12:55 PM 17.6 °F -1.6 °F 14.0 °F 86% 30.18 in 0.8 mi NW 28.8 mph 36.8 mph 0.31 in Snow Light Snow
1:15 PM 17.6 °F -0.3 °F 10.4 °F 73% 30.19 in 2.5 mi NW 24.2 mph 36.8 mph N/A Snow Light Snow
1:35 PM 17.6 °F 1.7 °F 8.6 °F 68% 30.21 in 5.0 mi NW 18.4 mph 32.2 mph 0.01 in Snow Light Snow
1:55 PM 15.8 °F -1.9 °F 10.4 °F 79% 30.22 in 10.0 mi NW 21.9 mph 29.9 mph 0.03 in Snow Light Snow
2:15 PM 14.0 °F -6.2 °F 8.6 °F 79% 30.24 in 2.5 mi NW 27.6 mph 36.8 mph 0.01 in Snow Light Snow
2:35 PM 14.0 °F -4.7 °F 6.8 °F 73% 30.25 in 6.0 mi NW 23.0 mph 29.9 mph 0.02 in Snow Light Snow
3:15 PM 14.0 °F -5.8 °F 6.8 °F 73% 30.26 in 2.5 mi NW 26.5 mph 34.5 mph 0.02 in Snow Light Snow
3:35 PM 14.0 °F -3.9 °F 6.8 °F 73% 30.27 in 5.0 mi WNW 20.7 mph 31.1 mph 0.03 in Snow Light Snow
3:55 PM 14.0 °F -3.9 °F 6.8 °F 73% 30.27 in 2.5 mi WNW 20.7 mph 29.9 mph 0.05 in Snow Light Snow
4:15 PM 14.0 °F -5.1 °F 8.6 °F 79% 30.29 in 0.5 mi WNW 24.2 mph 35.7 mph 0.14 in Snow Snow
4:35 PM 12.2 °F -9.3 °F 5.0 °F 73% 30.30 in 2.5 mi WNW 29.9 mph 38.0 mph 0.16 in Snow Light Snow
4:55 PM 12.2 °F -6.7 °F 5.0 °F 73% 30.31 in 7.0 mi WNW 21.9 mph 29.9 mph 0.16 in Snow Light Snow
5:35 PM 12.2 °F -5.8 °F 6.8 °F 79% 30.33 in 2.5 mi WNW 19.6 mph 28.8 mph 0.04 in Snow Light Snow
5:55 PM 12.2 °F -7.1 °F 6.8 °F 79% 30.35 in 9.0 mi WNW 23.0 mph 29.9 mph 0.05 in Snow Light Snow
6:15 PM 12.2 °F -6.3 °F 5.0 °F 73% 30.36 in 9.0 mi WNW 20.7 mph 26.5 mph N/A Snow Light Snow
6:35 PM 12.2 °F -2.5 °F 5.0 °F 73% 30.37 in 10.0 mi WNW 12.7 mph - N/A Snow Light Snow
6:55 PM 12.2 °F -4.8 °F 5.0 °F 73% 30.37 in 10.0 mi WNW 17.3 mph 23.0 mph N/A   Overcast
7:15 PM 12.2 °F -4.8 °F 5.0 °F 73% 30.38 in 10.0 mi WNW 17.3 mph 27.6 mph N/A Snow Light Snow
7:35 PM 12.2 °F -4.8 °F 5.0 °F 73% 30.39 in 10.0 mi WNW 17.3 mph 31.1 mph N/A   Overcast
8:15 PM 10.4 °F -6.6 °F 3.2 °F 73% 30.40 in 10.0 mi West 16.1 mph 28.8 mph N/A Snow Light Snow
8:35 PM 10.4 °F -8.2 °F 1.4 °F 67% 30.40 in 10.0 mi WNW 19.6 mph 25.3 mph N/A   Overcast
8:55 PM 10.4 °F -6.0 °F 1.4 °F 67% 30.41 in 10.0 mi West 15.0 mph 24.2 mph N/A   Overcast
9:15 PM 10.4 °F -6.6 °F 1.4 °F 67% 30.41 in 10.0 mi West 16.1 mph 24.2 mph N/A Snow Light Snow
9:35 PM 10.4 °F -7.7 °F 1.4 °F 67% 30.42 in 10.0 mi WNW 18.4 mph 21.9 mph N/A   Overcast
9:55 PM 10.4 °F -7.7 °F -0.4 °F 62% 30.42 in 10.0 mi WNW 18.4 mph 24.2 mph N/A   Overcast
10:15 PM 10.4 °F -6.6 °F 1.4 °F 67% 30.43 in 10.0 mi WNW 16.1 mph 24.2 mph N/A Snow Light Snow
10:35 PM 10.4 °F -7.7 °F 1.4 °F 67% 30.43 in 7.0 mi WNW 18.4 mph 24.2 mph N/A Snow Light Snow
10:55 PM 10.4 °F -4.8 °F 1.4 °F 67% 30.42 in 10.0 mi WNW 12.7 mph - 0.01 in Snow Light Snow
11:15 PM 10.4 °F -5.4 °F 1.4 °F 67% 30.42 in 10.0 mi WNW 13.8 mph 17.3 mph N/A   Overcast
11:35 PM 10.4 °F -4.8 °F 1.4 °F 67% 30.42 in 10.0 mi WNW 12.7 mph 17.3 mph N/A   Overcast