Weather History for Spearfish, SD

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Saturday, January 19, 2013

  Actual Average (KEFC) Record (KEFC)
Temperature  
Mean Temperature 32 °F -  
Max Temperature 42 °F 37 °F 64 °F (1968)
Min Temperature 21 °F 12 °F -27 °F (1962)
Degree Days  
Heating Degree Days 34    
Moisture  
Dew Point 18 °F    
Average Humidity 56    
Maximum Humidity 93    
Minimum Humidity 34    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 13 mph (WNW)    
Max Wind Speed 20 mph    
Max Gust Speed 29 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

Jan. 19, 2013 Rise Set
Actual Time 8:25 AM CST 5:46 PM CST
Civil Twilight 7:53 AM CST 6:19 PM CST
Nautical Twilight 7:17 AM CST 6:54 PM CST
Astronomical Twilight 6:43 AM CST 7:29 PM CST
Moon 12:17 PM CST (1/19) 1:58 AM CST (1/19)
Length of Visible Light 10h 25m
Length of Day
9h 21m
First Quarter, 57% of the Moon is Illuminated
Jan 19
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New
Feb 17
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 42.8 °F 34.5 °F 15.8 °F 34% 29.91 in 10.0 mi West 18.4 mph 26.5 mph N/A   Clear
12:35 AM 42.8 °F 34.5 °F 15.8 °F 34% 29.91 in 10.0 mi West 18.4 mph 28.8 mph N/A   Clear
12:55 AM 41.0 °F 32.2 °F 15.8 °F 36% 29.92 in 10.0 mi West 18.4 mph - N/A   Clear
1:15 AM 41.0 °F 32.5 °F 15.8 °F 36% 29.91 in 10.0 mi West 17.3 mph 24.2 mph N/A   Clear
1:35 AM 41.0 °F 33.1 °F 15.8 °F 36% 29.93 in 10.0 mi WNW 15.0 mph 25.3 mph N/A   Clear
1:55 AM 41.0 °F 32.8 °F 15.8 °F 36% 29.93 in 10.0 mi WNW 16.1 mph 21.9 mph N/A   Clear
2:15 AM 41.0 °F 34.3 °F 15.8 °F 36% 29.94 in 10.0 mi WNW 11.5 mph 18.4 mph N/A   Clear
2:35 AM 37.4 °F 30.8 °F 15.8 °F 41% 29.95 in 10.0 mi West 9.2 mph - N/A   Clear
2:55 AM 37.4 °F 30.8 °F 15.8 °F 41% 29.96 in 10.0 mi West 9.2 mph - N/A   Clear
3:35 AM 37.4 °F 29.3 °F 15.8 °F 41% 29.97 in 10.0 mi West 12.7 mph - N/A   Clear
3:55 AM 41.0 °F 31.9 °F 15.8 °F 36% 29.98 in 10.0 mi West 19.6 mph 27.6 mph N/A   Clear
4:15 AM 39.2 °F 30.8 °F 17.6 °F 42% 29.99 in 10.0 mi West 15.0 mph 20.7 mph N/A   Clear
4:35 AM 39.2 °F 30.5 °F 17.6 °F 42% 29.99 in 10.0 mi West 16.1 mph 26.5 mph N/A   Clear
4:55 AM 39.2 °F 31.6 °F 17.6 °F 42% 29.99 in 10.0 mi West 12.7 mph - N/A   Clear
5:15 AM 37.4 °F 29.3 °F 17.6 °F 45% 29.99 in 10.0 mi West 12.7 mph - N/A   Clear
5:35 AM 39.2 °F 31.6 °F 15.8 °F 39% 29.99 in 10.0 mi West 12.7 mph 18.4 mph N/A   Clear
6:55 AM 39.2 °F 30.2 °F 15.8 °F 39% 30.03 in 10.0 mi West 17.3 mph 25.3 mph N/A   Clear
7:35 AM 39.2 °F 31.2 °F 15.8 °F 39% 30.05 in 10.0 mi West 13.8 mph 23.0 mph N/A   Clear
7:55 AM 39.2 °F 30.5 °F 15.8 °F 39% 30.06 in 10.0 mi WNW 16.1 mph 24.2 mph N/A   Clear
8:15 AM 39.2 °F 29.8 °F 15.8 °F 39% 30.06 in 10.0 mi WNW 18.4 mph 23.0 mph N/A   Clear
8:35 AM 39.2 °F 30.2 °F 15.8 °F 39% 30.07 in 10.0 mi WNW 17.3 mph 28.8 mph N/A   Clear
9:15 AM 39.2 °F 31.6 °F 15.8 °F 39% 30.08 in 10.0 mi WNW 12.7 mph 20.7 mph N/A   Clear
9:35 AM 39.2 °F 31.2 °F 17.6 °F 42% 30.09 in 10.0 mi WNW 13.8 mph - N/A   Clear
9:55 AM 39.2 °F 33.0 °F 17.6 °F 42% 30.11 in 10.0 mi NW 9.2 mph - N/A   Clear
10:15 AM 39.2 °F 31.6 °F 17.6 °F 42% 30.12 in 10.0 mi NW 12.7 mph - N/A   Clear
10:55 AM 37.4 °F 28.5 °F 21.2 °F 52% 30.15 in 10.0 mi NW 15.0 mph 26.5 mph N/A   Clear
11:35 AM 37.4 °F 27.8 °F 21.2 °F 52% 30.16 in 10.0 mi NNW 17.3 mph 25.3 mph N/A   Clear
11:55 AM 37.4 °F 27.8 °F 21.2 °F 52% 30.15 in 10.0 mi WNW 17.3 mph 24.2 mph N/A   Clear
12:15 PM 37.4 °F 27.8 °F 21.2 °F 52% 30.16 in 10.0 mi NW 17.3 mph 24.2 mph N/A   Clear
12:35 PM 37.4 °F 27.5 °F 21.2 °F 52% 30.16 in 10.0 mi NNW 18.4 mph 23.0 mph N/A   Clear
12:55 PM 37.4 °F 27.8 °F 23.0 °F 56% 30.16 in 10.0 mi NW 17.3 mph 23.0 mph N/A   Clear
1:35 PM 37.4 °F 28.2 °F 23.0 °F 56% 30.16 in 10.0 mi NW 16.1 mph 25.3 mph N/A   Scattered Clouds
1:55 PM 37.4 °F 28.2 °F 23.0 °F 56% 30.17 in 10.0 mi NW 16.1 mph - N/A   Scattered Clouds
2:15 PM 37.4 °F 27.5 °F 23.0 °F 56% 30.17 in 10.0 mi NW 18.4 mph 23.0 mph N/A   Mostly Cloudy
2:35 PM 37.4 °F 28.5 °F 23.0 °F 56% 30.17 in 10.0 mi NW 15.0 mph 19.6 mph N/A   Scattered Clouds
2:55 PM 35.6 °F 25.5 °F 23.0 °F 60% 30.18 in 10.0 mi NNW 17.3 mph - N/A   Mostly Cloudy
3:15 PM 35.6 °F 25.5 °F 23.0 °F 60% 30.18 in 10.0 mi NNW 17.3 mph - N/A   Mostly Cloudy
3:35 PM 35.6 °F 26.6 °F 23.0 °F 60% 30.19 in 10.0 mi NNW 13.8 mph - N/A   Partly Cloudy
3:55 PM 33.8 °F 23.9 °F 21.2 °F 60% 30.19 in 10.0 mi NNW 15.0 mph 19.6 mph N/A   Partly Cloudy
4:15 PM 32.0 °F 22.1 °F 19.4 °F 60% 30.20 in 10.0 mi North 13.8 mph - N/A   Mostly Cloudy
4:35 PM 32.0 °F 23.0 °F 19.4 °F 60% 30.21 in 10.0 mi NNW 11.5 mph 16.1 mph N/A   Mostly Cloudy
4:55 PM 32.0 °F 22.1 °F 17.6 °F 55% 30.22 in 10.0 mi NNW 13.8 mph - N/A   Overcast
5:15 PM 30.2 °F 22.6 °F 15.8 °F 55% 30.21 in 10.0 mi NNW 8.1 mph - N/A   Mostly Cloudy
5:35 PM 28.4 °F 22.2 °F 15.8 °F 59% 30.21 in 10.0 mi WNW 5.8 mph - N/A   Scattered Clouds
5:55 PM 28.4 °F 22.2 °F 15.8 °F 59% 30.22 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
6:15 PM 28.4 °F 22.2 °F 17.6 °F 64% 30.21 in 10.0 mi WNW 5.8 mph - N/A   Partly Cloudy
6:35 PM 24.8 °F 20.5 °F 15.8 °F 69% 30.20 in 10.0 mi South 3.5 mph - N/A   Clear
6:55 PM 26.6 °F - 17.6 °F 69% 30.20 in 10.0 mi Calm Calm - N/A   Clear
7:15 PM 26.6 °F - 17.6 °F 69% 30.19 in 10.0 mi Calm Calm - N/A   Clear
7:35 PM 24.8 °F - 17.6 °F 74% 30.18 in 10.0 mi Calm Calm - N/A   Clear
7:55 PM 24.8 °F 20.5 °F 17.6 °F 74% 30.18 in 10.0 mi South 3.5 mph - N/A   Clear
8:15 PM 24.8 °F 20.5 °F 17.6 °F 74% 30.17 in 10.0 mi South 3.5 mph - N/A   Clear
8:35 PM 24.8 °F 20.5 °F 17.6 °F 74% 30.17 in 10.0 mi South 3.5 mph - N/A   Clear
8:55 PM 23.0 °F 15.8 °F 17.6 °F 80% 30.16 in 10.0 mi SSW 5.8 mph - N/A   Clear
9:15 PM 23.0 °F 14.7 °F 17.6 °F 80% 30.15 in 10.0 mi SSW 6.9 mph - N/A   Clear
9:35 PM 23.0 °F 15.8 °F 17.6 °F 80% 30.15 in 10.0 mi SSW 5.8 mph - N/A   Clear
9:55 PM 21.2 °F 16.4 °F 17.6 °F 86% 30.13 in 10.0 mi ESE 3.5 mph - N/A   Partly Cloudy
10:15 PM 23.0 °F 18.4 °F 17.6 °F 80% 30.13 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
10:35 PM 23.0 °F 17.0 °F 17.6 °F 80% 30.12 in 10.0 mi ENE 4.6 mph - N/A   Mostly Cloudy
10:55 PM 23.0 °F - 17.6 °F 80% 30.11 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:15 PM 23.0 °F - 17.6 °F 80% 30.10 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:35 PM 21.2 °F - 19.4 °F 93% 30.09 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:55 PM 23.0 °F - 19.4 °F 86% 30.08 in 10.0 mi Calm Calm - N/A   Partly Cloudy