Weather History for Spearfish, SD

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Wednesday, February 13, 2013

  Actual Average (KEFC) Record (KEFC)
Temperature  
Mean Temperature 34 °F -  
Max Temperature 39 °F 40 °F 64 °F (1954)
Min Temperature 30 °F 17 °F -17 °F (1949)
Degree Days  
Heating Degree Days 30    
Moisture  
Dew Point 24 °F    
Average Humidity 64    
Maximum Humidity 93    
Minimum Humidity 45    
Precipitation  
Precipitation 0.28 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.82 in    
Wind  
Wind Speed 17 mph (West)    
Max Wind Speed 24 mph    
Max Gust Speed 39 mph    
Visibility 10 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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Date:

Astronomy

Feb. 13, 2013 Rise Set
Actual Time 7:57 AM CST 6:21 PM CST
Civil Twilight 7:27 AM CST 6:51 PM CST
Nautical Twilight 6:53 AM CST 7:25 PM CST
Astronomical Twilight 6:19 AM CST 7:59 PM CST
Moon 9:17 AM CST (2/13) 10:39 PM CST (2/13)
Length of Visible Light 11h 24m
Length of Day
10h 24m
Waxing Crescent, 14% of the Moon is Illuminated
Feb 13
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New

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 33.8 °F 23.2 °F 19.4 °F 56% 29.86 in 10.0 mi WSW 17.3 mph 24.2 mph N/A   Overcast
12:35 AM 32.0 °F 21.6 °F 19.4 °F 60% 29.86 in 10.0 mi WSW 15.0 mph 19.6 mph N/A   Overcast
12:55 AM 32.0 °F 23.6 °F 19.4 °F 60% 29.86 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
1:15 AM 32.0 °F 22.1 °F 19.4 °F 60% 29.85 in 10.0 mi WSW 13.8 mph 18.4 mph N/A   Mostly Cloudy
1:35 AM 33.8 °F 24.8 °F 21.2 °F 60% 29.84 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
1:55 AM 35.6 °F 27.1 °F 23.0 °F 60% 29.83 in 10.0 mi West 12.7 mph 19.6 mph N/A   Overcast
2:15 AM 35.6 °F 27.1 °F 23.0 °F 60% 29.83 in 10.0 mi West 12.7 mph 20.7 mph N/A   Overcast
2:35 AM 35.6 °F 26.6 °F 23.0 °F 60% 29.82 in 10.0 mi West 13.8 mph 21.9 mph N/A   Overcast
2:55 AM 33.8 °F 23.9 °F 21.2 °F 60% 29.81 in 10.0 mi WSW 15.0 mph 21.9 mph N/A   Scattered Clouds
3:15 AM 32.0 °F 22.1 °F 21.2 °F 64% 29.80 in 10.0 mi West 13.8 mph 17.3 mph N/A   Clear
3:35 AM 33.8 °F 23.9 °F 21.2 °F 60% 29.79 in 10.0 mi West 15.0 mph 23.0 mph N/A   Clear
3:55 AM 33.8 °F 23.9 °F 19.4 °F 56% 29.78 in 10.0 mi West 15.0 mph 19.6 mph N/A   Clear
4:15 AM 33.8 °F 23.9 °F 19.4 °F 56% 29.78 in 10.0 mi West 15.0 mph 24.2 mph N/A   Clear
4:35 AM 35.6 °F 26.2 °F 19.4 °F 52% 29.77 in 10.0 mi WSW 15.0 mph 21.9 mph N/A   Clear
4:55 AM 35.6 °F 25.5 °F 19.4 °F 52% 29.77 in 10.0 mi West 17.3 mph - N/A   Clear
5:15 AM 35.6 °F 24.5 °F 17.6 °F 48% 29.76 in 10.0 mi West 20.7 mph 24.2 mph N/A   Clear
5:35 AM 37.4 °F 27.5 °F 17.6 °F 45% 29.76 in 10.0 mi West 18.4 mph 27.6 mph N/A   Clear
5:55 AM 37.4 °F 27.8 °F 17.6 °F 45% 29.76 in 10.0 mi West 17.3 mph 24.2 mph N/A   Scattered Clouds
6:15 AM 37.4 °F 26.9 °F 19.4 °F 48% 29.76 in 10.0 mi West 20.7 mph 31.1 mph N/A   Overcast
6:35 AM 39.2 °F 29.8 °F 19.4 °F 45% 29.76 in 10.0 mi West 18.4 mph 34.5 mph N/A   Overcast
6:55 AM 39.2 °F 29.3 °F 19.4 °F 45% 29.75 in 10.0 mi West 20.7 mph 31.1 mph N/A   Overcast
7:15 AM 39.2 °F 28.7 °F 21.2 °F 49% 29.74 in 10.0 mi West 23.0 mph 31.1 mph N/A   Overcast
7:35 AM 39.2 °F 29.3 °F 19.4 °F 45% 29.75 in 10.0 mi West 20.7 mph 27.6 mph N/A   Overcast
7:55 AM 39.2 °F 29.0 °F 19.4 °F 45% 29.75 in 10.0 mi West 21.9 mph 31.1 mph N/A   Overcast
8:15 AM 39.2 °F 29.6 °F 19.4 °F 45% 29.75 in 10.0 mi West 19.6 mph 34.5 mph N/A   Overcast
8:35 AM 39.2 °F 29.3 °F 19.4 °F 45% 29.76 in 10.0 mi West 20.7 mph 34.5 mph N/A   Overcast
8:55 AM 39.2 °F 29.8 °F 19.4 °F 45% 29.76 in 10.0 mi West 18.4 mph 26.5 mph N/A   Overcast
9:15 AM 39.2 °F 29.0 °F 19.4 °F 45% 29.77 in 10.0 mi WNW 21.9 mph 28.8 mph N/A   Overcast
9:35 AM 39.2 °F 29.8 °F 19.4 °F 45% 29.77 in 10.0 mi West 18.4 mph 29.9 mph N/A   Mostly Cloudy
9:55 AM 39.2 °F 29.6 °F 21.2 °F 49% 29.77 in 10.0 mi West 19.6 mph 39.1 mph N/A   Mostly Cloudy
10:15 AM 39.2 °F 29.0 °F 23.0 °F 52% 29.77 in 10.0 mi West 21.9 mph 36.8 mph N/A   Scattered Clouds
10:35 AM 39.2 °F 29.0 °F 23.0 °F 52% 29.77 in 10.0 mi West 21.9 mph 27.6 mph N/A   Scattered Clouds
10:55 AM 39.2 °F 29.3 °F 23.0 °F 52% 29.77 in 10.0 mi WNW 20.7 mph 28.8 mph N/A   Mostly Cloudy
11:15 AM 39.2 °F 29.8 °F 23.0 °F 52% 29.77 in 10.0 mi WNW 18.4 mph 31.1 mph N/A   Mostly Cloudy
11:35 AM 39.2 °F 29.3 °F 24.8 °F 56% 29.77 in 10.0 mi WNW 20.7 mph 36.8 mph N/A   Overcast
11:55 AM 39.2 °F 29.0 °F 24.8 °F 56% 29.77 in 10.0 mi WNW 21.9 mph 28.8 mph N/A   Mostly Cloudy
12:35 PM 39.2 °F 29.6 °F 24.8 °F 56% 29.77 in 10.0 mi WNW 19.6 mph 25.3 mph N/A   Overcast
12:55 PM 37.4 °F 26.9 °F 28.4 °F 70% 29.78 in 4.0 mi NW 20.7 mph 36.8 mph 0.01 in   Mostly Cloudy
1:15 PM 35.6 °F 25.9 °F 32.0 °F 87% 29.78 in 10.0 mi WNW 16.1 mph 20.7 mph 0.01 in Snow Light Snow
1:35 PM 35.6 °F 24.5 °F 32.0 °F 87% 29.78 in 10.0 mi NW 20.7 mph 28.8 mph 0.01 in Rain Light Rain
1:55 PM 35.6 °F 23.7 °F 30.2 °F 81% 29.79 in 10.0 mi WNW 24.2 mph 29.9 mph 0.01 in   Overcast
2:15 PM 32.0 °F 20.8 °F 30.2 °F 93% 29.80 in 1.2 mi WNW 17.3 mph 31.1 mph 0.16 in Snow Light Snow
2:35 PM 33.8 °F 23.2 °F 32.0 °F 93% 29.78 in 10.0 mi West 17.3 mph 23.0 mph 0.26 in   Partly Cloudy
2:55 PM 35.6 °F 25.9 °F 28.4 °F 75% 29.78 in 10.0 mi West 16.1 mph 24.2 mph 0.26 in   Partly Cloudy
3:15 PM 35.6 °F 25.9 °F 28.4 °F 75% 29.79 in 10.0 mi West 16.1 mph 27.6 mph N/A   Clear
3:35 PM 35.6 °F 25.5 °F 26.6 °F 70% 29.80 in 10.0 mi West 17.3 mph 29.9 mph N/A   Scattered Clouds
3:55 PM 35.6 °F 25.2 °F 26.6 °F 70% 29.79 in 10.0 mi West 18.4 mph 25.3 mph N/A   Scattered Clouds
4:15 PM 35.6 °F 25.9 °F 26.6 °F 70% 29.81 in 10.0 mi WNW 16.1 mph 27.6 mph N/A   Scattered Clouds
4:35 PM 35.6 °F 25.5 °F 26.6 °F 70% 29.82 in 10.0 mi WNW 17.3 mph 24.2 mph N/A   Mostly Cloudy
4:55 PM 35.6 °F 24.8 °F 26.6 °F 70% 29.82 in 10.0 mi WNW 19.6 mph 25.3 mph N/A   Mostly Cloudy
5:15 PM 35.6 °F 25.2 °F 26.6 °F 70% 29.83 in 10.0 mi West 18.4 mph 27.6 mph N/A   Mostly Cloudy
5:35 PM 35.6 °F 24.5 °F 26.6 °F 70% 29.83 in 10.0 mi West 20.7 mph 28.8 mph N/A   Scattered Clouds
5:55 PM 35.6 °F 26.2 °F 26.6 °F 70% 29.84 in 10.0 mi West 15.0 mph 24.2 mph N/A   Scattered Clouds
6:15 PM 35.6 °F 25.5 °F 26.6 °F 70% 29.85 in 10.0 mi West 17.3 mph 24.2 mph N/A   Mostly Cloudy
6:35 PM 35.6 °F 27.1 °F 26.6 °F 70% 29.86 in 10.0 mi West 12.7 mph 21.9 mph N/A   Overcast
6:55 PM 35.6 °F 26.6 °F 26.6 °F 70% 29.87 in 10.0 mi West 13.8 mph 20.7 mph N/A   Overcast
7:15 PM 33.8 °F 23.9 °F 26.6 °F 75% 29.86 in 10.0 mi West 15.0 mph 18.4 mph N/A   Mostly Cloudy
7:35 PM 35.6 °F 27.5 °F 26.6 °F 70% 29.87 in 10.0 mi West 11.5 mph 26.5 mph N/A   Mostly Cloudy
7:55 PM 33.8 °F 22.8 °F 26.6 °F 75% 29.88 in 10.0 mi West 18.4 mph 25.3 mph N/A   Overcast
8:15 PM 32.0 °F 20.8 °F 28.4 °F 87% 29.90 in 10.0 mi West 17.3 mph 29.9 mph N/A   Overcast
8:35 PM 32.0 °F 20.5 °F 28.4 °F 87% 29.90 in 10.0 mi West 18.4 mph 26.5 mph N/A   Mostly Cloudy
8:55 PM 32.0 °F 21.6 °F 28.4 °F 87% 29.90 in 10.0 mi West 15.0 mph 23.0 mph N/A   Scattered Clouds
9:15 PM 32.0 °F 21.6 °F 26.6 °F 80% 29.91 in 10.0 mi West 15.0 mph 25.3 mph N/A   Partly Cloudy
9:35 PM 32.0 °F 22.1 °F 24.8 °F 75% 29.92 in 10.0 mi West 13.8 mph 21.9 mph N/A   Scattered Clouds
9:55 PM 32.0 °F 22.5 °F 24.8 °F 75% 29.93 in 10.0 mi West 12.7 mph 18.4 mph N/A   Partly Cloudy
10:15 PM 32.0 °F 22.5 °F 24.8 °F 75% 29.93 in 10.0 mi West 12.7 mph - N/A   Partly Cloudy
10:35 PM 32.0 °F 22.5 °F 24.8 °F 75% 29.94 in 10.0 mi West 12.7 mph 20.7 mph N/A   Clear
10:55 PM 32.0 °F 21.6 °F 23.0 °F 69% 29.94 in 10.0 mi West 15.0 mph - N/A   Clear
11:15 PM 30.2 °F 19.8 °F 23.0 °F 75% 29.95 in 10.0 mi WNW 13.8 mph 19.6 mph N/A   Clear
11:35 PM 30.2 °F 19.8 °F 23.0 °F 75% 29.96 in 10.0 mi WNW 13.8 mph 19.6 mph N/A   Clear
11:55 PM 30.2 °F 20.2 °F 23.0 °F 75% 29.96 in 10.0 mi WNW 12.7 mph 19.6 mph N/A   Mostly Cloudy