Spearfish, SD

11:52 AM MDT on August 27, 2016 (GMT -0600)
Black Hills-Ice

Weather History for KSPF - December, 2012

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Thursday, December 6, 2012

  Actual Average (KEFC) Record (KEFC)
Temperature  
Mean Temperature 32 °F -  
Max Temperature 37 °F 36 °F 61 °F (1963)
Min Temperature 28 °F 12 °F -23 °F (1972)
Degree Days  
Heating Degree Days 32    
Moisture  
Dew Point 17 °F    
Average Humidity 53    
Maximum Humidity 93    
Minimum Humidity 33    
Precipitation  
Precipitation 0.38 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 6 mph (NW)    
Max Wind Speed 12 mph    
Max Gust Speed 21 mph    
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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Daily Weather History Graph

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Date:

Astronomy

Dec. 06, 2012 Rise Set
Actual Time 8:17 AM CST 5:15 PM CST
Civil Twilight 7:44 AM CST 5:48 PM CST
Nautical Twilight 7:07 AM CST 6:25 PM CST
Astronomical Twilight 6:32 AM CST 7:00 PM CST
Moon 12:19 AM CST (12/6) 12:57 PM CST (12/6)
Length of Visible Light 10h 04m
Length of Day
8h 58m
Waning Gibbous, 49% of the Moon is Illuminated
Dec 6
Waning Gibbous
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last 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 37.4 °F 31.4 °F 26.6 °F 65% 29.96 in 10.0 mi NW 8.1 mph - N/A   Mostly Cloudy
12:35 AM 37.4 °F 30.8 °F 26.6 °F 65% 29.97 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
12:55 AM 37.4 °F 30.8 °F 23.0 °F 56% 29.97 in 10.0 mi WNW 9.2 mph - N/A   Overcast
1:15 AM 37.4 °F 30.3 °F 21.2 °F 52% 29.99 in 10.0 mi WNW 10.4 mph - N/A   Overcast
1:35 AM 37.4 °F 30.3 °F 21.2 °F 52% 29.98 in 10.0 mi NW 10.4 mph - N/A   Overcast
1:55 AM 37.4 °F 30.3 °F 21.2 °F 52% 29.99 in 10.0 mi WNW 10.4 mph 17.3 mph N/A   Overcast
2:15 AM 37.4 °F 31.4 °F 21.2 °F 52% 30.00 in 10.0 mi NW 8.1 mph - N/A   Overcast
2:35 AM 35.6 °F 28.6 °F 21.2 °F 56% 30.00 in 10.0 mi NW 9.2 mph 16.1 mph N/A   Overcast
2:55 AM 35.6 °F 27.5 °F 21.2 °F 56% 30.01 in 10.0 mi NW 11.5 mph - N/A   Mostly Cloudy
3:15 AM 33.8 °F 25.3 °F 15.8 °F 48% 30.02 in 10.0 mi NNW 11.5 mph 20.7 mph N/A   Partly Cloudy
3:35 AM 32.0 °F 25.6 °F 15.8 °F 51% 30.01 in 10.0 mi WNW 6.9 mph - N/A   Clear
3:55 AM 32.0 °F 25.6 °F 17.6 °F 55% 30.01 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
4:15 AM 32.0 °F 25.6 °F 17.6 °F 55% 30.00 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
4:35 AM 32.0 °F 23.0 °F 17.6 °F 55% 30.00 in 10.0 mi West 11.5 mph - N/A   Overcast
4:55 AM 32.0 °F 24.8 °F 17.6 °F 55% 30.00 in 10.0 mi West 8.1 mph - N/A   Overcast
7:15 AM 32.0 °F 25.6 °F 15.8 °F 51% 30.03 in 10.0 mi WNW 6.9 mph - N/A   Overcast
7:55 AM 32.0 °F 25.6 °F 15.8 °F 51% 30.03 in 10.0 mi WNW 6.9 mph - N/A   Overcast
8:15 AM 32.0 °F 26.4 °F 15.8 °F 51% 30.03 in 10.0 mi WNW 5.8 mph - N/A   Overcast
8:35 AM 32.0 °F 27.5 °F 15.8 °F 51% 30.04 in 10.0 mi WNW 4.6 mph - N/A   Overcast
8:55 AM 32.0 °F 28.7 °F 15.8 °F 51% 30.03 in 10.0 mi WNW 3.5 mph - N/A   Overcast
9:15 AM 32.0 °F 27.5 °F 14.0 °F 48% 30.04 in 10.0 mi WSW 4.6 mph - N/A   Overcast
9:35 AM 33.8 °F 28.6 °F 12.2 °F 41% 30.03 in 10.0 mi West 5.8 mph - N/A   Overcast
9:55 AM 33.8 °F 28.6 °F 12.2 °F 41% 30.03 in 10.0 mi West 5.8 mph - N/A   Overcast
10:15 AM 33.8 °F 29.6 °F 10.4 °F 38% 30.03 in 10.0 mi WSW 4.6 mph - N/A   Overcast
10:35 AM 33.8 °F 29.6 °F 10.4 °F 38% 30.04 in 10.0 mi West 4.6 mph - N/A   Overcast
10:55 AM 35.6 °F 32.8 °F 10.4 °F 35% 30.05 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
11:15 AM 35.6 °F 31.7 °F 8.6 °F 33% 30.04 in 10.0 mi WSW 4.6 mph - N/A   Overcast
11:55 AM 35.6 °F 31.7 °F 8.6 °F 33% 30.02 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
12:15 PM 35.6 °F 30.7 °F 10.4 °F 35% 30.00 in 10.0 mi WSW 5.8 mph - N/A   Overcast
12:35 PM 35.6 °F - 10.4 °F 35% 30.00 in 10.0 mi Calm Calm - N/A   Overcast
12:55 PM 35.6 °F - 10.4 °F 35% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
1:35 PM 35.6 °F 32.8 °F 12.2 °F 38% 29.97 in 10.0 mi NE 3.5 mph - N/A   Overcast
1:55 PM 35.6 °F 32.8 °F 14.0 °F 41% 29.97 in 10.0 mi NE 3.5 mph - N/A   Overcast
2:15 PM 35.6 °F 32.8 °F 14.0 °F 41% 29.95 in 10.0 mi NE 3.5 mph - N/A   Overcast
2:35 PM 35.6 °F 32.8 °F 14.0 °F 41% 29.94 in 10.0 mi NE 3.5 mph - N/A   Overcast
2:55 PM 35.6 °F - 14.0 °F 41% 29.94 in 10.0 mi Calm Calm - N/A   Overcast
3:15 PM 35.6 °F - 14.0 °F 41% 29.93 in 10.0 mi Calm Calm - N/A   Overcast
3:35 PM 35.6 °F - 14.0 °F 41% 29.93 in 10.0 mi Calm Calm - N/A   Overcast
3:55 PM 35.6 °F 32.8 °F 15.8 °F 44% 29.93 in 10.0 mi East 3.5 mph - N/A   Overcast
4:15 PM 35.6 °F 31.7 °F 17.6 °F 48% 29.94 in 10.0 mi ENE 4.6 mph - N/A   Overcast
4:35 PM 35.6 °F 32.8 °F 15.8 °F 44% 29.93 in 10.0 mi NE 3.5 mph - N/A   Overcast
4:55 PM 33.8 °F 29.6 °F 17.6 °F 52% 29.93 in 10.0 mi East 4.6 mph - N/A   Overcast
5:15 PM 33.8 °F 30.8 °F 17.6 °F 52% 29.92 in 10.0 mi ENE 3.5 mph - N/A   Overcast
5:35 PM 33.8 °F 27.7 °F 15.8 °F 48% 29.92 in 10.0 mi NE 6.9 mph - N/A   Overcast
5:55 PM 32.0 °F 27.5 °F 15.8 °F 51% 29.92 in 10.0 mi ENE 4.6 mph - N/A   Overcast
6:15 PM 32.0 °F - 17.6 °F 55% 29.92 in 10.0 mi Calm Calm - N/A   Overcast
6:35 PM 32.0 °F 28.7 °F 19.4 °F 60% 29.91 in 10.0 mi ESE 3.5 mph - N/A   Overcast
6:55 PM 32.0 °F - 19.4 °F 60% 29.90 in 10.0 mi Calm Calm - N/A   Overcast
7:15 PM 32.0 °F 28.7 °F 17.6 °F 55% 29.90 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
7:35 PM 32.0 °F - 17.6 °F 55% 29.89 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:55 PM 32.0 °F - 17.6 °F 55% 29.89 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:15 PM 32.0 °F 26.4 °F 17.6 °F 55% 29.90 in 10.0 mi NE 5.8 mph - N/A   Mostly Cloudy
8:35 PM 32.0 °F 26.4 °F 17.6 °F 55% 29.91 in 10.0 mi NNE 5.8 mph - N/A   Overcast
8:55 PM 32.0 °F 27.5 °F 15.8 °F 51% 29.92 in 10.0 mi WNW 4.6 mph - N/A   Overcast
9:15 PM 32.0 °F 28.7 °F 15.8 °F 51% 29.92 in 10.0 mi North 3.5 mph - N/A   Overcast
9:35 PM 32.0 °F 28.7 °F 17.6 °F 55% 29.91 in 4.0 mi ENE 3.5 mph - 0.01 in Snow Light Snow
9:55 PM 28.4 °F 22.2 °F 21.2 °F 74% 29.90 in 5.0 mi SE 5.8 mph - 0.01 in Snow Light Snow
10:15 PM 28.4 °F 22.2 °F 24.8 °F 86% 29.90 in 4.0 mi SSE 5.8 mph - N/A Snow Light Snow
10:35 PM 28.4 °F 23.3 °F 24.8 °F 86% 29.89 in 3.0 mi SSE 4.6 mph - 0.02 in Snow Light Snow
10:55 PM 28.4 °F - 26.6 °F 93% 29.89 in 2.5 mi Calm Calm - 0.07 in Snow Light Snow
11:15 PM 28.4 °F - 26.6 °F 93% 29.88 in 2.0 mi Calm Calm - 0.06 in Snow Light Snow
11:35 PM 28.4 °F - 26.6 °F 93% 29.87 in 1.2 mi Calm Calm - 0.22 in Snow Light Snow
11:55 PM 28.4 °F - 26.6 °F 93% 29.86 in 1.8 mi Calm Calm - 0.30 in Snow Light Snow