Spearfish, SD

11:36 AM MDT on May 27, 2018 (GMT -0600)
Black Hills-Ice

Weather History for KSPF - December, 2012

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Tuesday, December 25, 2012

  Actual Average (KEFC) Record (KEFC)
Temperature  
Mean Temperature 4 °F -  
Max Temperature 8 °F 35 °F 58 °F (1959)
Min Temperature 0 °F 10 °F -31 °F (1983)
Degree Days  
Heating Degree Days 61    
Moisture  
Dew Point -2 °F    
Average Humidity 83    
Maximum Humidity 92    
Minimum Humidity 78    
Precipitation  
Precipitation 0.56 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.16 in    
Wind  
Wind Speed 3 mph (WSW)    
Max Wind Speed 6 mph    
Max Gust Speed -    
Visibility 8 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

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Dec. 25, 2012 Rise Set
Actual Time 8:30 AM CST 5:20 PM CST
Civil Twilight 7:56 AM CST 5:54 PM CST
Nautical Twilight 7:19 AM CST 6:31 PM CST
Astronomical Twilight 6:44 AM CST 7:06 PM CST
Moon 3:32 PM CST (12/25) 6:02 AM CST (12/25)
Length of Visible Light 9h 57m
Length of Day
8h 50m
Waxing Gibbous, 94% of the Moon is Illuminated
Dec 25
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
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 -0.4 °F -12.0 °F -2.2 °F 92% 30.18 in 3.0 mi West 5.8 mph - 0.02 in Snow Light Snow
12:35 AM -0.4 °F -10.4 °F -2.2 °F 92% 30.18 in 4.0 mi WNW 4.6 mph - 0.08 in Snow Light Snow
12:55 AM -0.4 °F -12.0 °F -4.0 °F 85% 30.19 in 3.0 mi NW 5.8 mph - 0.15 in Snow Light Snow
1:15 AM -0.4 °F -12.0 °F -4.0 °F 85% 30.19 in 3.0 mi WNW 5.8 mph - 0.04 in Snow Light Snow
1:35 AM -0.4 °F -10.4 °F -4.0 °F 85% 30.19 in 4.0 mi WNW 4.6 mph - 0.10 in Snow Light Snow
1:55 AM -0.4 °F -10.4 °F -4.0 °F 85% 30.20 in 2.5 mi WNW 4.6 mph - 0.21 in Snow Light Snow
2:35 AM -0.4 °F - -4.0 °F 85% 30.21 in 8.0 mi Calm Calm - 0.03 in   Overcast
2:55 AM -0.4 °F - -4.0 °F 85% 30.22 in 10.0 mi Calm Calm - 0.03 in   Overcast
3:15 AM -0.4 °F - -4.0 °F 85% 30.22 in 10.0 mi Calm Calm - N/A   Overcast
3:35 AM -0.4 °F -8.3 °F -4.0 °F 85% 30.22 in 10.0 mi WSW 3.5 mph - N/A   Overcast
3:55 AM -0.4 °F -8.3 °F -4.0 °F 85% 30.22 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
4:15 AM -0.4 °F -10.4 °F -4.0 °F 85% 30.22 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
4:55 AM -0.4 °F -8.3 °F -2.2 °F 92% 30.22 in 7.0 mi West 3.5 mph - N/A Snow Light Snow
5:15 AM -0.4 °F - -4.0 °F 85% 30.22 in 8.0 mi Calm Calm - N/A   Overcast
5:35 AM -0.4 °F -10.4 °F -4.0 °F 85% 30.22 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
5:55 AM -0.4 °F - -4.0 °F 85% 30.22 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:15 AM -0.4 °F - -4.0 °F 85% 30.23 in 10.0 mi Calm Calm - N/A   Overcast
6:35 AM -0.4 °F - -4.0 °F 85% 30.24 in 10.0 mi Calm Calm - N/A Snow Light Snow
6:55 AM -0.4 °F - -4.0 °F 85% 30.24 in 10.0 mi Calm Calm - N/A Snow Light Snow
7:15 AM -0.4 °F -8.3 °F -2.2 °F 92% 30.24 in 9.0 mi SW 3.5 mph - N/A Snow Light Snow
7:35 AM -0.4 °F -12.0 °F -2.2 °F 92% 30.25 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
7:55 AM 1.4 °F -6.2 °F -2.2 °F 85% 30.25 in 10.0 mi WNW 3.5 mph - N/A   Overcast
8:15 AM 1.4 °F - -0.4 °F 92% 30.26 in 6.0 mi Calm Calm - N/A Snow Light Snow
8:35 AM 3.2 °F -4.2 °F -0.4 °F 85% 30.26 in 4.0 mi West 3.5 mph - 0.02 in Snow Light Snow
8:55 AM 3.2 °F -4.2 °F -0.4 °F 85% 30.26 in 2.5 mi West 3.5 mph - 0.04 in Snow Light Snow
9:35 AM 5.0 °F -2.1 °F -0.4 °F 78% 30.26 in 1.8 mi WNW 3.5 mph - 0.06 in Snow Light Snow
9:55 AM 5.0 °F -4.1 °F -0.4 °F 78% 30.27 in 2.5 mi WNW 4.6 mph - 0.10 in Snow Light Snow
10:15 AM 5.0 °F -2.1 °F -0.4 °F 78% 30.27 in 4.0 mi NW 3.5 mph - 0.01 in Snow Light Snow
10:35 AM 5.0 °F - 1.4 °F 85% 30.27 in 5.0 mi Calm Calm - 0.02 in Snow Light Snow
10:55 AM 6.8 °F - 1.4 °F 79% 30.27 in 2.5 mi Calm Calm - 0.03 in Snow Light Snow
11:55 AM 5.0 °F -2.1 °F 1.4 °F 85% 30.24 in 5.0 mi NE 3.5 mph - N/A   Clear
12:35 PM 6.8 °F - 1.4 °F 79% 30.21 in 3.0 mi Calm Calm - N/A Snow Light Snow
12:55 PM 6.8 °F - 1.4 °F 79% 30.19 in 3.0 mi Calm Calm - N/A Snow Light Snow
1:15 PM 6.8 °F - 1.4 °F 79% 30.18 in 5.0 mi Calm Calm - N/A   Haze
1:35 PM 6.8 °F -0.1 °F 1.4 °F 79% 30.17 in 5.0 mi NE 3.5 mph - N/A   Haze
1:55 PM 6.8 °F -0.1 °F 1.4 °F 79% 30.16 in 9.0 mi NE 3.5 mph - N/A   Clear
2:15 PM 6.8 °F -0.1 °F 1.4 °F 79% 30.14 in 5.0 mi ENE 3.5 mph - N/A Snow Light Snow
2:35 PM 6.8 °F -0.1 °F 1.4 °F 79% 30.13 in 7.0 mi East 3.5 mph - N/A Snow Light Snow
2:55 PM 6.8 °F -2.0 °F 1.4 °F 79% 30.13 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
3:15 PM 6.8 °F -0.1 °F 1.4 °F 79% 30.13 in 10.0 mi NE 3.5 mph - N/A   Mostly Cloudy
3:35 PM 6.8 °F -3.5 °F 1.4 °F 79% 30.12 in 10.0 mi NE 5.8 mph - N/A   Overcast
3:55 PM 8.6 °F 0.1 °F 3.2 °F 79% 30.12 in 10.0 mi SE 4.6 mph - N/A Snow Light Snow
4:15 PM 6.8 °F -3.5 °F 1.4 °F 79% 30.12 in 10.0 mi ESE 5.8 mph - N/A Snow Light Snow
4:35 PM 6.8 °F -3.5 °F 1.4 °F 79% 30.11 in 10.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
4:55 PM 6.8 °F -2.0 °F 1.4 °F 79% 30.11 in 10.0 mi ESE 4.6 mph - N/A   Partly Cloudy
5:15 PM 5.0 °F - 1.4 °F 85% 30.11 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:35 PM 5.0 °F - 1.4 °F 85% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
5:55 PM 5.0 °F - 1.4 °F 85% 30.11 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:15 PM 5.0 °F - -0.4 °F 78% 30.11 in 10.0 mi Calm Calm - N/A   Clear
6:35 PM 3.2 °F - -0.4 °F 85% 30.11 in 10.0 mi Calm Calm - N/A   Clear
6:55 PM 3.2 °F - -0.4 °F 85% 30.11 in 10.0 mi Calm Calm - N/A   Clear
7:15 PM 1.4 °F - -2.2 °F 85% 30.11 in 10.0 mi Calm Calm - N/A   Clear
7:35 PM -0.4 °F - -4.0 °F 85% 30.11 in 10.0 mi Calm Calm - N/A   Clear
7:55 PM -0.4 °F -8.3 °F -5.8 °F 78% 30.10 in 10.0 mi South 3.5 mph - N/A   Clear
8:15 PM -0.4 °F - -5.8 °F 78% 30.09 in 10.0 mi Calm Calm - N/A   Clear
8:35 PM -0.4 °F - -4.0 °F 85% 30.08 in 10.0 mi Calm Calm - N/A   Clear
8:55 PM -0.4 °F -8.3 °F -5.8 °F 78% 30.07 in 10.0 mi SW 3.5 mph - N/A   Clear
9:15 PM -0.4 °F -8.3 °F -5.8 °F 78% 30.07 in 10.0 mi SSW 3.5 mph - N/A   Clear
9:55 PM -0.4 °F -8.3 °F -5.8 °F 78% 30.05 in 10.0 mi SSE 3.5 mph - N/A   Clear
10:15 PM -0.4 °F -8.3 °F -5.8 °F 78% 30.04 in 10.0 mi SSE 3.5 mph - N/A   Clear
10:35 PM -0.4 °F - -4.0 °F 85% 30.04 in 10.0 mi Calm Calm - N/A   Clear
10:55 PM -0.4 °F - -4.0 °F 85% 30.03 in 10.0 mi Calm Calm - N/A   Clear
11:15 PM -0.4 °F - -5.8 °F 78% 30.03 in 10.0 mi Calm Calm - N/A   Clear
11:35 PM -0.4 °F -8.3 °F -5.8 °F 78% 30.02 in 10.0 mi SSE 3.5 mph - N/A   Clear
11:55 PM -0.4 °F -8.3 °F -4.0 °F 85% 30.01 in 10.0 mi SSE 3.5 mph - N/A   Clear