Spearfish, SD

3:04 PM MDT on September 20, 2017 (GMT -0600)
Black Hills-Ice

Weather History for KSPF - December, 2012

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Monday, December 24, 2012

  Actual Average (KEFC) Record (KEFC)
Temperature  
Mean Temperature 5 °F -  
Max Temperature 10 °F 32 °F 60 °F (1955)
Min Temperature 0 °F 9 °F -32 °F (1983)
Degree Days  
Heating Degree Days 60    
Moisture  
Dew Point 3 °F    
Average Humidity 87    
Maximum Humidity 92    
Minimum Humidity 79    
Precipitation  
Precipitation 0.28 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 4 mph (NE)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 7 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. 24, 2012 Rise Set
Actual Time 8:29 AM CST 5:20 PM CST
Civil Twilight 7:56 AM CST 5:53 PM CST
Nautical Twilight 7:19 AM CST 6:30 PM CST
Astronomical Twilight 6:44 AM CST 7:06 PM CST
Moon 2:51 PM CST (12/24) 5:07 AM CST (12/24)
Length of Visible Light 9h 57m
Length of Day
8h 50m
Waxing Gibbous, 88% of the Moon is Illuminated
Dec 24
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 10.4 °F - 8.6 °F 92% 29.93 in 8.0 mi Calm Calm - N/A   Clear
12:35 AM 8.6 °F - 6.8 °F 92% 29.93 in 9.0 mi Calm Calm - N/A   Clear
12:55 AM 10.4 °F - 6.8 °F 85% 29.93 in 9.0 mi Calm Calm - N/A   Clear
1:15 AM 8.6 °F -1.3 °F 6.8 °F 92% 29.93 in 10.0 mi SE 5.8 mph - N/A   Clear
1:35 AM 8.6 °F 2.0 °F 5.0 °F 85% 29.93 in 10.0 mi East 3.5 mph - N/A   Clear
1:55 AM 8.6 °F 0.1 °F 5.0 °F 85% 29.93 in 10.0 mi East 4.6 mph - N/A   Clear
2:15 AM 10.4 °F - 8.6 °F 92% 29.93 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:35 AM 10.4 °F 4.0 °F 8.6 °F 92% 29.92 in 10.0 mi ENE 3.5 mph - N/A   Mostly Cloudy
2:55 AM 10.4 °F - 6.8 °F 85% 29.92 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:15 AM 10.4 °F - 6.8 °F 85% 29.92 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:35 AM 8.6 °F - 6.8 °F 92% 29.91 in 10.0 mi Calm Calm - N/A   Clear
3:55 AM 8.6 °F 2.0 °F 6.8 °F 92% 29.91 in 10.0 mi ESE 3.5 mph - N/A   Clear
4:15 AM 8.6 °F - 6.8 °F 92% 29.90 in 10.0 mi Calm Calm - N/A   Clear
4:35 AM 8.6 °F - 6.8 °F 92% 29.90 in 10.0 mi Calm Calm - N/A   Clear
4:55 AM 8.6 °F - 6.8 °F 92% 29.89 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:15 AM 8.6 °F - 6.8 °F 92% 29.88 in 10.0 mi Calm Calm - N/A   Overcast
5:35 AM 8.6 °F 0.1 °F 5.0 °F 85% 29.88 in 10.0 mi NE 4.6 mph - N/A   Scattered Clouds
5:55 AM 6.8 °F -4.8 °F 5.0 °F 92% 29.89 in 10.0 mi NNE 6.9 mph - N/A   Scattered Clouds
6:15 AM 6.8 °F -4.8 °F 5.0 °F 92% 29.90 in 10.0 mi NNE 6.9 mph - N/A   Overcast
6:35 AM 6.8 °F -2.0 °F 5.0 °F 92% 29.90 in 10.0 mi North 4.6 mph - N/A   Overcast
6:55 AM 6.8 °F -2.0 °F 3.2 °F 85% 29.91 in 10.0 mi NNE 4.6 mph - N/A   Mostly Cloudy
7:15 AM 6.8 °F -2.0 °F 1.4 °F 79% 29.91 in 10.0 mi NNE 4.6 mph - N/A   Partly Cloudy
7:35 AM 5.0 °F -4.1 °F 1.4 °F 85% 29.91 in 7.0 mi NE 4.6 mph - N/A   Clear
7:55 AM 5.0 °F -2.1 °F 1.4 °F 85% 29.91 in 10.0 mi ENE 3.5 mph - N/A   Clear
8:15 AM 5.0 °F -5.6 °F 1.4 °F 85% 29.91 in 8.0 mi NE 5.8 mph - N/A   Clear
8:55 AM 5.0 °F -4.1 °F 1.4 °F 85% 29.93 in 9.0 mi NE 4.6 mph - N/A   Clear
9:15 AM 5.0 °F -4.1 °F 1.4 °F 85% 29.93 in 8.0 mi NE 4.6 mph - N/A   Clear
9:35 AM 5.0 °F -4.1 °F 1.4 °F 85% 29.93 in 8.0 mi NE 4.6 mph - N/A   Clear
9:55 AM 6.8 °F -3.5 °F 1.4 °F 79% 29.94 in 8.0 mi NE 5.8 mph - N/A   Clear
10:35 AM 6.8 °F -2.0 °F 3.2 °F 85% 29.95 in 8.0 mi NE 4.6 mph - N/A   Clear
10:55 AM 6.8 °F -3.5 °F 5.0 °F 92% 29.95 in 8.0 mi North 5.8 mph - N/A   Clear
11:15 AM 6.8 °F -0.1 °F 5.0 °F 92% 29.95 in 8.0 mi North 3.5 mph - N/A   Clear
11:35 AM 6.8 °F -2.0 °F 5.0 °F 92% 29.95 in 8.0 mi NE 4.6 mph - N/A   Clear
11:55 AM 8.6 °F 0.1 °F 5.0 °F 85% 29.93 in 8.0 mi NE 4.6 mph - N/A   Scattered Clouds
12:35 PM 8.6 °F -2.6 °F 5.0 °F 85% 29.93 in 8.0 mi NE 6.9 mph - N/A   Partly Cloudy
12:55 PM 8.6 °F -3.7 °F 5.0 °F 85% 29.94 in 8.0 mi NNE 8.1 mph - N/A   Clear
1:15 PM 8.6 °F -3.7 °F 5.0 °F 85% 29.94 in 9.0 mi NE 8.1 mph - N/A   Partly Cloudy
1:35 PM 8.6 °F -5.5 °F 5.0 °F 85% 29.94 in 8.0 mi NE 10.4 mph - N/A Snow Light Snow
1:55 PM 6.8 °F -5.9 °F 5.0 °F 92% 29.94 in 9.0 mi NE 8.1 mph - N/A Snow Light Snow
2:15 PM 8.6 °F -3.7 °F 5.0 °F 85% 29.94 in 10.0 mi NE 8.1 mph - N/A   Clear
2:35 PM 8.6 °F -5.5 °F 5.0 °F 85% 29.95 in 5.0 mi ENE 10.4 mph - N/A Snow Light Snow
2:55 PM 6.8 °F -8.6 °F 5.0 °F 92% 29.96 in 4.0 mi ENE 11.5 mph - N/A Snow Light Snow
3:15 PM 6.8 °F -7.8 °F 3.2 °F 85% 29.96 in 3.0 mi ENE 10.4 mph - N/A Snow Light Snow
3:35 PM 6.8 °F -4.8 °F 3.2 °F 85% 29.97 in 2.5 mi ENE 6.9 mph - 0.02 in Snow Light Snow
3:55 PM 6.8 °F -5.9 °F 1.4 °F 79% 29.97 in 2.5 mi East 8.1 mph - 0.04 in Snow Light Snow
4:15 PM 5.0 °F -8.1 °F 1.4 °F 85% 29.98 in 2.5 mi ENE 8.1 mph - N/A Snow Light Snow
4:35 PM 5.0 °F -9.1 °F 1.4 °F 85% 29.99 in 2.0 mi East 9.2 mph - 0.03 in Snow Light Snow
4:55 PM 5.0 °F -8.1 °F 1.4 °F 85% 29.99 in 1.8 mi East 8.1 mph - 0.07 in Snow Light Snow
5:15 PM 5.0 °F -5.6 °F 1.4 °F 85% 30.00 in 1.8 mi East 5.8 mph - 0.02 in Snow Light Snow
5:35 PM 5.0 °F -5.6 °F 1.4 °F 85% 30.01 in 3.0 mi ENE 5.8 mph - 0.05 in Snow Light Snow
5:55 PM 5.0 °F -5.6 °F 1.4 °F 85% 30.01 in 3.0 mi ENE 5.8 mph - 0.07 in Snow Light Snow
6:15 PM 5.0 °F -8.1 °F 1.4 °F 85% 30.02 in 4.0 mi ENE 8.1 mph - N/A Snow Light Snow
6:35 PM 5.0 °F -5.6 °F 1.4 °F 85% 30.04 in 4.0 mi ENE 5.8 mph - 0.02 in Snow Light Snow
6:55 PM 5.0 °F -6.9 °F 1.4 °F 85% 30.05 in 7.0 mi ENE 6.9 mph - 0.02 in Snow Light Snow
7:15 PM 5.0 °F -6.9 °F 1.4 °F 85% 30.06 in 7.0 mi NE 6.9 mph - N/A   Overcast
7:35 PM 3.2 °F -10.3 °F -0.4 °F 85% 30.07 in 7.0 mi NE 8.1 mph - N/A Snow Light Snow
7:55 PM 3.2 °F -10.3 °F -0.4 °F 85% 30.08 in 10.0 mi NE 8.1 mph - N/A Snow Light Snow
8:15 PM 3.2 °F -10.3 °F -0.4 °F 85% 30.09 in 10.0 mi NE 8.1 mph - N/A   Mostly Cloudy
8:35 PM 3.2 °F -9.1 °F -0.4 °F 85% 30.10 in 10.0 mi NE 6.9 mph - N/A Snow Light Snow
8:55 PM 3.2 °F -10.3 °F -0.4 °F 85% 30.11 in 4.0 mi NE 8.1 mph - N/A Snow Light Snow
9:15 PM 3.2 °F -9.1 °F -0.4 °F 85% 30.11 in 3.0 mi NE 6.9 mph - 0.01 in Snow Light Snow
9:35 PM 1.4 °F -12.5 °F -0.4 °F 92% 30.12 in 2.5 mi NE 8.1 mph - 0.05 in Snow Light Snow
9:55 PM 1.4 °F -14.5 °F -2.2 °F 85% 30.13 in 5.0 mi NE 10.4 mph - 0.06 in Snow Light Snow
10:15 PM 1.4 °F -13.5 °F -2.2 °F 85% 30.14 in 3.0 mi NE 9.2 mph - N/A Snow Light Snow
10:35 PM -0.4 °F -13.4 °F -2.2 °F 92% 30.15 in 4.0 mi NE 6.9 mph - 0.01 in Snow Light Snow
10:55 PM -0.4 °F -12.0 °F -2.2 °F 92% 30.16 in 5.0 mi NE 5.8 mph - 0.02 in Snow Light Snow
11:15 PM -0.4 °F -10.4 °F -2.2 °F 92% 30.17 in 8.0 mi NE 4.6 mph - N/A Snow Light Snow
11:35 PM -0.4 °F -8.3 °F -2.2 °F 92% 30.18 in 7.0 mi NE 3.5 mph - N/A Snow Light Snow
11:55 PM -0.4 °F - -2.2 °F 92% 30.18 in 5.0 mi North - - N/A Snow Light Snow