Weather History for Spearfish, SD

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Tuesday, January 15, 2013

  Actual Average (KEFC) Record (KEFC)
Temperature  
Mean Temperature 24 °F -  
Max Temperature 37 °F 35 °F 67 °F (1973)
Min Temperature 10 °F 10 °F -21 °F (1950)
Degree Days  
Heating Degree Days 42    
Moisture  
Dew Point 18 °F    
Average Humidity 67    
Maximum Humidity 86    
Minimum Humidity 45    
Precipitation  
Precipitation 0.42 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 15 mph (West)    
Max Wind Speed 28 mph    
Max Gust Speed 37 mph    
Visibility 9 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

Jan. 15, 2013 Rise Set
Actual Time 8:27 AM CST 5:41 PM CST
Civil Twilight 7:55 AM CST 6:14 PM CST
Nautical Twilight 7:19 AM CST 6:50 PM CST
Astronomical Twilight 6:44 AM CST 7:25 PM CST
Moon 10:22 AM CST (1/15) 10:47 PM CST (1/15)
Length of Visible Light 10h 18m
Length of Day
9h 13m
Waxing Crescent, 19% of the Moon is Illuminated
Jan 15
Waxing Crescent
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:35 AM 12.2 °F -1.0 °F -4.0 °F 48% 29.96 in 10.0 mi West 10.4 mph - N/A   Clear
1:15 AM 10.4 °F -0.4 °F -4.0 °F 52% 29.95 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
1:55 AM 14.0 °F 2.9 °F -2.2 °F 49% 29.95 in 10.0 mi West 8.1 mph - N/A   Overcast
2:15 AM 15.8 °F 2.7 °F -2.2 °F 45% 29.94 in 10.0 mi West 11.5 mph - N/A   Overcast
2:55 AM 17.6 °F 2.2 °F -0.4 °F 45% 29.93 in 10.0 mi WSW 17.3 mph 24.2 mph N/A   Overcast
3:15 AM 17.6 °F 2.7 °F -0.4 °F 45% 29.93 in 10.0 mi WSW 16.1 mph 24.2 mph N/A   Overcast
3:35 AM 17.6 °F 3.2 °F 1.4 °F 49% 29.93 in 10.0 mi West 15.0 mph - N/A   Overcast
3:55 AM 17.6 °F 5.0 °F 1.4 °F 49% 29.93 in 10.0 mi West 11.5 mph - N/A   Overcast
4:15 AM 19.4 °F 7.2 °F 1.4 °F 46% 29.93 in 10.0 mi WSW 11.5 mph 17.3 mph N/A   Overcast
4:35 AM 19.4 °F 6.0 °F 3.2 °F 49% 29.92 in 10.0 mi WSW 13.8 mph 18.4 mph N/A   Overcast
4:55 AM 19.4 °F 5.0 °F 5.0 °F 54% 29.92 in 10.0 mi West 16.1 mph 20.7 mph N/A   Overcast
5:15 AM 19.4 °F 6.0 °F 6.8 °F 58% 29.91 in 10.0 mi West 13.8 mph 19.6 mph N/A   Overcast
5:35 AM 21.2 °F 8.9 °F 8.6 °F 58% 29.90 in 10.0 mi West 12.7 mph 18.4 mph N/A   Overcast
5:55 AM 23.0 °F 9.6 °F 10.4 °F 59% 29.90 in 10.0 mi West 16.1 mph 26.5 mph N/A   Overcast
6:15 AM 23.0 °F 8.7 °F 10.4 °F 59% 29.90 in 10.0 mi West 18.4 mph 27.6 mph N/A   Overcast
6:35 AM 23.0 °F 9.6 °F 12.2 °F 63% 29.90 in 10.0 mi West 16.1 mph 26.5 mph N/A   Overcast
6:55 AM 23.0 °F 8.3 °F 14.0 °F 68% 29.89 in 10.0 mi West 19.6 mph 26.5 mph N/A   Overcast
7:15 AM 23.0 °F 8.0 °F 14.0 °F 68% 29.88 in 10.0 mi West 20.7 mph 25.3 mph N/A   Overcast
7:55 AM 24.8 °F 11.9 °F 15.8 °F 69% 29.89 in 10.0 mi West 16.1 mph 19.6 mph N/A   Overcast
8:15 AM 24.8 °F 11.9 °F 17.6 °F 74% 29.92 in 10.0 mi West 16.1 mph 20.7 mph N/A   Overcast
8:35 AM 24.8 °F 12.4 °F 17.6 °F 74% 29.93 in 10.0 mi West 15.0 mph 25.3 mph N/A   Overcast
8:55 AM 24.8 °F 12.9 °F 17.6 °F 74% 29.93 in 10.0 mi West 13.8 mph 21.9 mph N/A   Overcast
9:15 AM 24.8 °F 11.9 °F 17.6 °F 74% 29.93 in 10.0 mi West 16.1 mph 21.9 mph N/A   Overcast
9:35 AM 24.8 °F 11.1 °F 17.6 °F 74% 29.92 in 10.0 mi West 18.4 mph 24.2 mph N/A   Overcast
9:55 AM 26.6 °F 14.3 °F 19.4 °F 74% 29.93 in 10.0 mi West 16.1 mph 23.0 mph N/A   Overcast
10:15 AM 26.6 °F 15.2 °F 19.4 °F 74% 29.92 in 10.0 mi West 13.8 mph 21.9 mph N/A   Overcast
10:35 AM 26.6 °F 13.8 °F 19.4 °F 74% 29.93 in 10.0 mi West 17.3 mph 25.3 mph N/A   Overcast
10:55 AM 28.4 °F 17.0 °F 19.4 °F 69% 29.93 in 10.0 mi West 15.0 mph 23.0 mph N/A   Overcast
11:15 AM 28.4 °F 16.2 °F 21.2 °F 74% 29.92 in 10.0 mi West 17.3 mph 24.2 mph N/A   Overcast
11:35 AM 28.4 °F 15.8 °F 23.0 °F 80% 29.93 in 7.0 mi West 18.4 mph 29.9 mph 0.01 in Snow Light Snow
11:55 AM 28.4 °F 17.0 °F 23.0 °F 80% 29.93 in 8.0 mi West 15.0 mph - 0.01 in Rain Light Freezing Rain
12:15 PM 28.4 °F 17.5 °F 23.0 °F 80% 29.92 in 4.0 mi West 13.8 mph 23.0 mph N/A   Mostly Cloudy
12:35 PM 28.4 °F 17.0 °F 24.8 °F 86% 29.91 in 4.0 mi West 15.0 mph 21.9 mph 0.03 in Snow Light Snow
12:55 PM 32.0 °F 21.2 °F 23.0 °F 69% 29.91 in 10.0 mi West 16.1 mph 24.2 mph 0.03 in   Mostly Cloudy
1:15 PM 32.0 °F 21.6 °F 23.0 °F 69% 29.91 in 10.0 mi West 15.0 mph 23.0 mph N/A   Overcast
1:35 PM 32.0 °F 21.6 °F 24.8 °F 75% 29.91 in 10.0 mi West 15.0 mph 23.0 mph N/A   Overcast
1:55 PM 32.0 °F 22.1 °F 24.8 °F 75% 29.90 in 5.0 mi West 13.8 mph - 0.02 in Snow Light Snow
2:15 PM 32.0 °F 21.2 °F 26.6 °F 80% 29.88 in 2.0 mi West 16.1 mph - 0.11 in Snow Light Snow
2:35 PM 32.0 °F 22.1 °F 26.6 °F 80% 29.88 in 2.5 mi West 13.8 mph 24.2 mph 0.22 in Snow Light Snow
2:55 PM 32.0 °F 20.8 °F 24.8 °F 75% 29.89 in 5.0 mi West 17.3 mph 25.3 mph 0.27 in Snow Light Snow
3:15 PM 32.0 °F 20.1 °F 24.8 °F 75% 29.91 in 4.0 mi West 19.6 mph 26.5 mph 0.04 in Snow Light Snow
3:35 PM 32.0 °F 20.1 °F 24.8 °F 75% 29.91 in 9.0 mi West 19.6 mph 26.5 mph 0.06 in Snow Light Snow
3:55 PM 32.0 °F 22.1 °F 24.8 °F 75% 29.91 in 6.0 mi West 13.8 mph 24.2 mph 0.07 in Snow Light Snow
4:15 PM 32.0 °F 20.5 °F 24.8 °F 75% 29.92 in 8.0 mi West 18.4 mph 24.2 mph N/A Rain Light Rain
4:35 PM 32.0 °F 22.1 °F 24.8 °F 75% 29.91 in 10.0 mi West 13.8 mph 20.7 mph 0.01 in Rain Light Rain
4:55 PM 32.0 °F 21.6 °F 24.8 °F 75% 29.91 in 8.0 mi West 15.0 mph 19.6 mph 0.02 in Rain Light Rain
5:15 PM 32.0 °F 22.1 °F 26.6 °F 80% 29.91 in 7.0 mi West 13.8 mph - N/A Rain Light Rain
5:35 PM 32.0 °F 21.6 °F 26.6 °F 80% 29.90 in 10.0 mi West 15.0 mph 23.0 mph N/A   Overcast
5:55 PM 32.0 °F 20.8 °F 26.6 °F 80% 29.92 in 10.0 mi West 17.3 mph 25.3 mph N/A   Overcast
6:15 PM 33.8 °F 21.6 °F 26.6 °F 75% 29.91 in 10.0 mi West 23.0 mph 32.2 mph N/A Rain Light Rain
6:35 PM 35.6 °F 25.5 °F 26.6 °F 70% 29.91 in 10.0 mi West 17.3 mph 28.8 mph N/A   Overcast
6:55 PM 35.6 °F 24.0 °F 26.6 °F 70% 29.91 in 10.0 mi West 23.0 mph 29.9 mph N/A   Overcast
7:15 PM 35.6 °F 24.2 °F 26.6 °F 70% 29.91 in 10.0 mi West 21.9 mph 29.9 mph N/A   Overcast
7:35 PM 37.4 °F 26.4 °F 24.8 °F 60% 29.91 in 10.0 mi West 23.0 mph 35.7 mph N/A   Overcast
7:55 PM 37.4 °F 25.4 °F 24.8 °F 60% 29.92 in 10.0 mi West 27.6 mph 36.8 mph N/A   Overcast
8:15 PM 37.4 °F 26.9 °F 24.8 °F 60% 29.91 in 10.0 mi West 20.7 mph 33.4 mph N/A   Overcast
8:35 PM 37.4 °F 26.9 °F 24.8 °F 60% 29.91 in 10.0 mi West 20.7 mph 32.2 mph N/A   Overcast
8:55 PM 37.4 °F 26.4 °F 24.8 °F 60% 29.91 in 10.0 mi West 23.0 mph 31.1 mph N/A   Overcast
9:15 PM 37.4 °F 27.2 °F 24.8 °F 60% 29.92 in 10.0 mi West 19.6 mph 28.8 mph N/A   Overcast
9:35 PM 37.4 °F 26.9 °F 26.6 °F 65% 29.92 in 10.0 mi West 20.7 mph 31.1 mph N/A   Overcast
9:55 PM 35.6 °F 25.9 °F 26.6 °F 70% 29.92 in 10.0 mi West 16.1 mph 27.6 mph N/A   Overcast
10:15 PM 35.6 °F 24.5 °F 26.6 °F 70% 29.92 in 10.0 mi West 20.7 mph 28.8 mph N/A   Overcast
10:35 PM 37.4 °F 27.5 °F 24.8 °F 60% 29.92 in 10.0 mi West 18.4 mph 25.3 mph N/A   Overcast
10:55 PM 37.4 °F 27.2 °F 24.8 °F 60% 29.93 in 10.0 mi West 19.6 mph 26.5 mph N/A   Overcast
11:15 PM 37.4 °F - 24.8 °F 60% 29.92 in 10.0 mi North - - N/A   Overcast
11:35 PM 37.4 °F 26.9 °F 24.8 °F 60% 29.92 in 10.0 mi West 20.7 mph 28.8 mph N/A   Overcast
11:55 PM 37.4 °F 26.9 °F 24.8 °F 60% 29.93 in 10.0 mi West 20.7 mph 28.8 mph N/A   Overcast