Weather History for Spearfish, SD

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Thursday, October 25, 2012

  Actual Average (KEFC) Record (KEFC)
Temperature  
Mean Temperature 26 °F -  
Max Temperature 30 °F 63 °F 84 °F (1977)
Min Temperature 23 °F 30 °F 16 °F (1962)
Degree Days  
Heating Degree Days 38    
Moisture  
Dew Point 23 °F    
Average Humidity 91    
Maximum Humidity 100    
Minimum Humidity 80    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.21 in    
Wind  
Wind Speed 10 mph (NW)    
Max Wind Speed 14 mph    
Max Gust Speed 20 mph    
Visibility 9 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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Astronomy

Oct. 25, 2012 Rise Set
Actual Time 8:23 AM CDT 6:53 PM CDT
Civil Twilight 7:54 AM CDT 7:23 PM CDT
Nautical Twilight 7:19 AM CDT 7:57 PM CDT
Astronomical Twilight 6:46 AM CDT 8:31 PM CDT
Moon 4:48 PM CDT (10/25) 4:14 AM CDT (10/25)
Length of Visible Light 11h 29m
Length of Day
10h 29m
Waxing Gibbous, 84% of the Moon is Illuminated
Oct 25
Waxing Gibbous
Oct 29
Full
Nov 6
Last Quarter
Nov 13
New
Nov 20
First Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 30.2 °F 22.6 °F 26.6 °F 86% 30.11 in 10.0 mi WNW 8.1 mph - N/A   Overcast
1:15 AM 28.4 °F 19.7 °F 26.6 °F 93% 30.11 in 10.0 mi West 9.2 mph - N/A   Overcast
1:35 AM 28.4 °F 21.2 °F 24.8 °F 86% 30.10 in 10.0 mi NW 6.9 mph - N/A   Overcast
1:55 AM 26.6 °F 19.1 °F 24.8 °F 93% 30.12 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
2:15 AM 26.6 °F 19.1 °F 23.0 °F 86% 30.12 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
2:35 AM 26.6 °F 17.5 °F 24.8 °F 93% 30.13 in 10.0 mi WNW 9.2 mph - N/A   Scattered Clouds
2:55 AM 26.6 °F 16.8 °F 24.8 °F 93% 30.13 in 10.0 mi WNW 10.4 mph - N/A   Mostly Cloudy
3:15 AM 26.6 °F 16.8 °F 23.0 °F 86% 30.12 in 10.0 mi WNW 10.4 mph - N/A   Overcast
3:35 AM 26.6 °F 17.5 °F 23.0 °F 86% 30.13 in 10.0 mi West 9.2 mph - N/A   Overcast
3:55 AM 26.6 °F 19.1 °F 23.0 °F 86% 30.12 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
4:15 AM 24.8 °F 14.0 °F 23.0 °F 93% 30.12 in 10.0 mi West 11.5 mph - N/A   Partly Cloudy
4:35 AM 24.8 °F 16.1 °F 23.0 °F 93% 30.12 in 10.0 mi West 8.1 mph - N/A   Clear
4:55 AM 24.8 °F 16.1 °F 21.2 °F 86% 30.12 in 10.0 mi West 8.1 mph - N/A   Scattered Clouds
5:15 AM 24.8 °F 14.6 °F 21.2 °F 86% 30.12 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
5:35 AM 24.8 °F 14.6 °F 21.2 °F 86% 30.12 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
5:55 AM 26.6 °F 16.2 °F 23.0 °F 86% 30.13 in 10.0 mi West 11.5 mph - N/A   Overcast
6:15 AM 26.6 °F 16.2 °F 23.0 °F 86% 30.13 in 10.0 mi WNW 11.5 mph 18.4 mph N/A   Overcast
6:35 AM 26.6 °F 16.2 °F 23.0 °F 86% 30.14 in 10.0 mi WNW 11.5 mph 16.1 mph N/A   Overcast
6:55 AM 26.6 °F 16.2 °F 23.0 °F 86% 30.15 in 10.0 mi WNW 11.5 mph - N/A   Overcast
7:15 AM 26.6 °F 16.2 °F 23.0 °F 86% 30.16 in 10.0 mi NW 11.5 mph 17.3 mph N/A   Overcast
7:35 AM 24.8 °F 16.1 °F 23.0 °F 93% 30.16 in 10.0 mi NW 8.1 mph - N/A   Overcast
7:55 AM 24.8 °F 16.1 °F 23.0 °F 93% 30.17 in 10.0 mi NW 8.1 mph - N/A   Overcast
8:15 AM 24.8 °F 15.3 °F 23.0 °F 93% 30.17 in 10.0 mi WNW 9.2 mph - N/A   Overcast
8:35 AM 24.8 °F 16.1 °F 23.0 °F 93% 30.18 in 10.0 mi WNW 8.1 mph - N/A   Overcast
8:55 AM 24.8 °F 16.9 °F 23.0 °F 93% 30.19 in 10.0 mi NNW 6.9 mph - N/A   Overcast
9:35 AM 23.0 °F 13.1 °F 23.0 °F 100% 30.21 in 10.0 mi NNW 9.2 mph 16.1 mph N/A   Overcast
9:55 AM 23.0 °F 13.1 °F 21.2 °F 93% 30.21 in 8.0 mi NW 9.2 mph - N/A   Overcast
10:15 AM 23.0 °F 13.1 °F 23.0 °F 100% 30.22 in 7.0 mi NW 9.2 mph - N/A   Overcast
10:35 AM 23.0 °F 13.1 °F 23.0 °F 100% 30.22 in 5.0 mi NW 9.2 mph - N/A   Overcast
10:55 AM 23.0 °F 12.4 °F 23.0 °F 100% 30.22 in 3.0 mi NW 10.4 mph - N/A   Overcast
11:15 AM 23.0 °F 12.4 °F 23.0 °F 100% 30.22 in 8.0 mi NNW 10.4 mph 17.3 mph N/A   Overcast
11:35 AM 23.0 °F 11.7 °F 23.0 °F 100% 30.22 in 2.0 mi NNW 11.5 mph - N/A   Overcast
11:55 AM 23.0 °F 12.4 °F 23.0 °F 100% 30.22 in 4.0 mi NW 10.4 mph - N/A   Mostly Cloudy
12:55 PM 23.0 °F 11.7 °F 23.0 °F 100% 30.23 in 10.0 mi NNW 11.5 mph - N/A   Overcast
1:15 PM 23.0 °F 13.1 °F 23.0 °F 100% 30.23 in 10.0 mi NW 9.2 mph - N/A   Overcast
1:35 PM 23.0 °F 12.4 °F 23.0 °F 100% 30.22 in 10.0 mi NW 10.4 mph - N/A   Overcast
1:55 PM 24.8 °F 14.0 °F 23.0 °F 93% 30.22 in 10.0 mi NW 11.5 mph - N/A   Mostly Cloudy
2:15 PM 24.8 °F 15.3 °F 23.0 °F 93% 30.22 in 10.0 mi NW 9.2 mph - N/A   Overcast
2:35 PM 24.8 °F 13.4 °F 23.0 °F 93% 30.22 in 10.0 mi NW 12.7 mph - N/A   Overcast
2:55 PM 24.8 °F 13.4 °F 23.0 °F 93% 30.23 in 10.0 mi NW 12.7 mph - N/A   Overcast
3:15 PM 24.8 °F 13.4 °F 23.0 °F 93% 30.23 in 10.0 mi NW 12.7 mph - N/A   Overcast
3:55 PM 24.8 °F 13.4 °F 23.0 °F 93% 30.23 in 10.0 mi NW 12.7 mph 19.6 mph N/A   Overcast
4:15 PM 24.8 °F 14.0 °F 23.0 °F 93% 30.24 in 10.0 mi NW 11.5 mph 16.1 mph N/A   Overcast
4:35 PM 24.8 °F 13.4 °F 23.0 °F 93% 30.24 in 10.0 mi NW 12.7 mph - N/A   Overcast
4:55 PM 24.8 °F 13.4 °F 23.0 °F 93% 30.25 in 10.0 mi NW 12.7 mph 18.4 mph N/A   Overcast
5:15 PM 24.8 °F 14.6 °F 23.0 °F 93% 30.26 in 10.0 mi NW 10.4 mph 16.1 mph N/A   Overcast
5:35 PM 24.8 °F 12.9 °F 23.0 °F 93% 30.26 in 10.0 mi NW 13.8 mph - N/A   Overcast
5:55 PM 24.8 °F 13.4 °F 21.2 °F 86% 30.27 in 10.0 mi WNW 12.7 mph - N/A   Overcast
6:15 PM 24.8 °F 13.4 °F 21.2 °F 86% 30.27 in 10.0 mi NW 12.7 mph - N/A   Overcast
6:35 PM 24.8 °F 14.0 °F 21.2 °F 86% 30.28 in 10.0 mi WNW 11.5 mph - N/A   Overcast
6:55 PM 24.8 °F 14.0 °F 21.2 °F 86% 30.29 in 10.0 mi WNW 11.5 mph - N/A   Overcast
7:15 PM 24.8 °F 14.6 °F 21.2 °F 86% 30.30 in 10.0 mi NW 10.4 mph - N/A   Overcast
7:55 PM 24.8 °F 12.9 °F 21.2 °F 86% 30.31 in 10.0 mi NW 13.8 mph - N/A   Overcast
8:15 PM 24.8 °F 14.0 °F 21.2 °F 86% 30.31 in 10.0 mi WNW 11.5 mph - N/A   Overcast
8:35 PM 24.8 °F 14.6 °F 21.2 °F 86% 30.32 in 10.0 mi NW 10.4 mph 16.1 mph N/A   Overcast
9:15 PM 24.8 °F 13.4 °F 19.4 °F 80% 30.33 in 10.0 mi WNW 12.7 mph 18.4 mph N/A   Overcast
9:35 PM 24.8 °F 14.0 °F 19.4 °F 80% 30.33 in 10.0 mi WNW 11.5 mph - N/A   Overcast
10:55 PM 24.8 °F 14.6 °F 19.4 °F 80% 30.34 in 10.0 mi WNW 10.4 mph - N/A   Overcast
11:15 PM 24.8 °F 14.6 °F 19.4 °F 80% 30.34 in 10.0 mi NW 10.4 mph - N/A   Overcast
11:35 PM 23.0 °F 13.1 °F 19.4 °F 86% 30.34 in 10.0 mi NW 9.2 mph - N/A   Overcast