Weather History for Spearfish, SD

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Tuesday, February 19, 2013

  Actual Average (KEFC) Record (KEFC)
Temperature  
Mean Temperature 16 °F -  
Max Temperature 26 °F 42 °F 70 °F (1965)
Min Temperature 5 °F 17 °F -18 °F (1959)
Degree Days  
Heating Degree Days 50    
Moisture  
Dew Point 11 °F    
Average Humidity 77    
Maximum Humidity 93    
Minimum Humidity 64    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.97 in    
Wind  
Wind Speed 5 mph (ESE)    
Max Wind Speed 22 mph    
Max Gust Speed 28 mph    
Visibility 10 miles    
Events      
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

Feb. 19, 2013 Rise Set
Actual Time 7:48 AM CST 6:30 PM CST
Civil Twilight 7:18 AM CST 6:59 PM CST
Nautical Twilight 6:45 AM CST 7:33 PM CST
Astronomical Twilight 6:11 AM CST 8:07 PM CST
Moon 12:56 PM CST (2/19) 3:29 AM CST (2/19)
Length of Visible Light 11h 40m
Length of Day
10h 41m
Waxing Gibbous, 67% of the Moon is Illuminated
Feb 19
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
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 15.8 °F - 14.0 °F 93% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
12:35 AM 17.6 °F - 14.0 °F 86% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
12:55 AM 15.8 °F - 14.0 °F 93% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
1:15 AM 15.8 °F - 14.0 °F 93% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
1:35 AM 15.8 °F - 14.0 °F 93% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
1:55 AM 15.8 °F 7.2 °F 10.4 °F 79% 30.08 in 10.0 mi SSW 5.8 mph - N/A   Overcast
2:15 AM 12.2 °F 2.9 °F 8.6 °F 85% 30.08 in 10.0 mi ENE 5.8 mph - N/A   Mostly Cloudy
2:35 AM 14.0 °F - 10.4 °F 86% 30.09 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:55 AM 12.2 °F - 8.6 °F 85% 30.08 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:15 AM 10.4 °F - 8.6 °F 92% 30.08 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:35 AM 6.8 °F -4.8 °F 5.0 °F 92% 30.08 in 10.0 mi SSW 6.9 mph - N/A   Partly Cloudy
3:55 AM 8.6 °F 2.0 °F 5.0 °F 85% 30.08 in 10.0 mi South 3.5 mph - N/A   Partly Cloudy
4:15 AM 8.6 °F 0.1 °F 5.0 °F 85% 30.07 in 10.0 mi SSW 4.6 mph - N/A   Partly Cloudy
4:35 AM 8.6 °F 0.1 °F 3.2 °F 79% 30.07 in 10.0 mi South 4.6 mph - N/A   Clear
4:55 AM 6.8 °F -2.0 °F 1.4 °F 79% 30.07 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
5:15 AM 6.8 °F -2.0 °F 1.4 °F 79% 30.07 in 10.0 mi SSE 4.6 mph - N/A   Partly Cloudy
5:35 AM 6.8 °F -2.0 °F 1.4 °F 79% 30.07 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
5:55 AM 8.6 °F -1.3 °F 5.0 °F 85% 30.07 in 10.0 mi SE 5.8 mph - N/A   Overcast
6:15 AM 10.4 °F 2.2 °F 6.8 °F 85% 30.07 in 10.0 mi SE 4.6 mph - N/A   Overcast
6:35 AM 8.6 °F -3.7 °F 6.8 °F 92% 30.07 in 10.0 mi ESE 8.1 mph - N/A   Overcast
6:55 AM 8.6 °F -2.6 °F 5.0 °F 85% 30.07 in 10.0 mi SE 6.9 mph - N/A   Overcast
7:15 AM 8.6 °F 0.1 °F 6.8 °F 92% 30.06 in 10.0 mi ESE 4.6 mph - N/A   Overcast
7:35 AM 6.8 °F -0.1 °F 3.2 °F 85% 30.06 in 10.0 mi SSE 3.5 mph - N/A   Mostly Cloudy
7:55 AM 5.0 °F -2.1 °F 1.4 °F 85% 30.06 in 10.0 mi SE 3.5 mph - N/A   Partly Cloudy
8:15 AM 6.8 °F -2.0 °F 1.4 °F 79% 30.06 in 10.0 mi ESE 4.6 mph - N/A   Clear
8:55 AM 10.4 °F - 6.8 °F 85% 30.06 in 10.0 mi Calm Calm - N/A   Clear
9:15 AM 10.4 °F - 6.8 °F 85% 30.05 in 10.0 mi Calm Calm - N/A   Clear
9:35 AM 12.2 °F - 6.8 °F 79% 30.05 in 10.0 mi Calm Calm - N/A   Clear
9:55 AM 14.0 °F - 6.8 °F 73% 30.05 in 10.0 mi Calm Calm - N/A   Clear
10:15 AM 14.0 °F 8.2 °F 8.6 °F 79% 30.04 in 10.0 mi ENE 3.5 mph - N/A   Clear
10:35 AM 14.0 °F 8.2 °F 8.6 °F 79% 30.03 in 10.0 mi NE 3.5 mph - N/A   Clear
10:55 AM 15.8 °F 10.2 °F 8.6 °F 73% 30.02 in 10.0 mi NNE 3.5 mph - N/A   Clear
11:15 AM 17.6 °F 12.3 °F 10.4 °F 73% 30.01 in 10.0 mi ESE 3.5 mph - N/A   Clear
11:35 AM 19.4 °F - 12.2 °F 74% 30.01 in 10.0 mi Calm Calm - N/A   Clear
11:55 AM 21.2 °F - 14.0 °F 74% 30.00 in 10.0 mi Calm Calm - N/A   Clear
12:15 PM 23.0 °F - 14.0 °F 68% 30.00 in 10.0 mi Calm Calm - N/A   Clear
12:35 PM 24.8 °F - 14.0 °F 64% 29.99 in 10.0 mi Calm Calm - N/A   Clear
12:55 PM 24.8 °F 19.1 °F 15.8 °F 69% 29.97 in 10.0 mi SE 4.6 mph - N/A   Clear
1:15 PM 24.8 °F 19.1 °F 15.8 °F 69% 29.96 in 10.0 mi ESE 4.6 mph - N/A   Clear
1:35 PM 24.8 °F 19.1 °F 15.8 °F 69% 29.95 in 10.0 mi SSE 4.6 mph - N/A   Clear
1:55 PM 24.8 °F 15.3 °F 15.8 °F 69% 29.94 in 10.0 mi ESE 9.2 mph - N/A   Clear
2:15 PM 24.8 °F 17.9 °F 15.8 °F 69% 29.93 in 10.0 mi SE 5.8 mph - N/A   Clear
2:35 PM 26.6 °F 18.2 °F 17.6 °F 69% 29.92 in 10.0 mi SE 8.1 mph - N/A   Clear
2:55 PM 26.6 °F 15.7 °F 17.6 °F 69% 29.92 in 10.0 mi ESE 12.7 mph 18.4 mph N/A   Clear
3:15 PM 26.6 °F 15.2 °F 17.6 °F 69% 29.91 in 10.0 mi East 13.8 mph 17.3 mph N/A   Clear
3:55 PM 26.6 °F 14.3 °F 15.8 °F 64% 29.89 in 10.0 mi East 16.1 mph 19.6 mph N/A   Clear
4:15 PM 24.8 °F 12.4 °F 15.8 °F 69% 29.89 in 10.0 mi East 15.0 mph - N/A   Clear
4:35 PM 24.8 °F 10.0 °F 15.8 °F 69% 29.87 in 10.0 mi ESE 21.9 mph 25.3 mph N/A   Clear
4:55 PM 24.8 °F 10.7 °F 15.8 °F 69% 29.86 in 10.0 mi ESE 19.6 mph 25.3 mph N/A   Clear
5:15 PM 24.8 °F 10.0 °F 15.8 °F 69% 29.85 in 10.0 mi ESE 21.9 mph 27.6 mph N/A   Clear
6:15 PM 21.2 °F 9.5 °F 14.0 °F 74% 29.85 in 10.0 mi ESE 11.5 mph 18.4 mph N/A   Clear
6:35 PM 21.2 °F 7.3 °F 14.0 °F 74% 29.84 in 10.0 mi East 16.1 mph - N/A   Clear
6:55 PM 23.0 °F 8.3 °F 14.0 °F 68% 29.84 in 10.0 mi East 19.6 mph - N/A   Clear
7:35 PM 23.0 °F 8.7 °F 14.0 °F 68% 29.85 in 10.0 mi ESE 18.4 mph - N/A   Clear
7:55 PM 21.2 °F 8.3 °F 14.0 °F 74% 29.84 in 10.0 mi East 13.8 mph - N/A   Clear
8:15 PM 21.2 °F 8.9 °F 12.2 °F 68% 29.84 in 10.0 mi East 12.7 mph - N/A   Clear
8:35 PM 19.4 °F 6.0 °F 12.2 °F 74% 29.84 in 10.0 mi East 13.8 mph - N/A   Clear
8:55 PM 19.4 °F 7.2 °F 12.2 °F 74% 29.84 in 10.0 mi East 11.5 mph - N/A   Clear
9:15 PM 19.4 °F 6.6 °F 12.2 °F 74% 29.83 in 10.0 mi East 12.7 mph - N/A   Clear
9:35 PM 23.0 °F 9.6 °F 14.0 °F 68% 29.83 in 10.0 mi East 16.1 mph 19.6 mph N/A   Clear
9:55 PM 23.0 °F 13.1 °F 14.0 °F 68% 29.83 in 10.0 mi ENE 9.2 mph 17.3 mph N/A   Partly Cloudy
10:15 PM 19.4 °F 9.5 °F 14.0 °F 80% 29.83 in 10.0 mi East 8.1 mph - N/A   Mostly Cloudy
10:35 PM 21.2 °F - 14.0 °F 74% 29.83 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:55 PM 19.4 °F 14.3 °F 10.4 °F 68% 29.82 in 10.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
11:15 PM 15.8 °F 8.6 °F 8.6 °F 73% 29.82 in 10.0 mi NW 4.6 mph - N/A   Overcast
11:35 PM 15.8 °F 8.6 °F 8.6 °F 73% 29.82 in 10.0 mi NNW 4.6 mph - N/A   Mostly Cloudy
11:55 PM 15.8 °F 6.1 °F 8.6 °F 73% 29.82 in 10.0 mi North 6.9 mph - N/A   Clear