Weather History for Spearfish, SD

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Thursday, September 26, 2013

  Actual Average (KEFC) Record (KEFC)
Temperature  
Mean Temperature 52 °F -  
Max Temperature 59 °F 75 °F 95 °F (1974)
Min Temperature 44 °F 39 °F 22 °F (1972)
Degree Days  
Heating Degree Days 14    
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 43 °F    
Average Humidity 76    
Maximum Humidity 100    
Minimum Humidity 54    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.80 in    
Wind  
Wind Speed 11 mph (NW)    
Max Wind Speed 17 mph    
Max Gust Speed 24 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

Sep. 26, 2013 Rise Set
Actual Time 7:47 AM CDT 7:44 PM CDT
Civil Twilight 7:18 AM CDT 8:13 PM CDT
Nautical Twilight 6:44 AM CDT 8:47 PM CDT
Astronomical Twilight 6:09 AM CDT 9:21 PM CDT
Moon No Moon Rise 2:53 PM CDT (9/26)
Length of Visible Light 12h 55m
Length of Day
11h 57m
Waning Gibbous, 54% of the Moon is Illuminated
Sep 26
Waning Gibbous
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full

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 48.2 °F - 48.2 °F 100% 29.65 in 10.0 mi WNW 11.5 mph - N/A   Overcast
12:35 AM 48.2 °F - 48.2 °F 100% 29.66 in 10.0 mi West 10.4 mph - N/A   Overcast
12:55 AM 50.0 °F - 48.2 °F 94% 29.66 in 10.0 mi WNW 10.4 mph - N/A   Overcast
1:15 AM 48.2 °F - 48.2 °F 100% 29.67 in 10.0 mi WNW 11.5 mph - N/A   Overcast
1:35 AM 48.2 °F - 48.2 °F 100% 29.67 in 10.0 mi WNW 12.7 mph - N/A   Overcast
1:55 AM 48.2 °F - 48.2 °F 100% 29.67 in 10.0 mi WNW 11.5 mph - N/A   Overcast
2:15 AM 48.2 °F - 48.2 °F 100% 29.67 in 10.0 mi WNW 10.4 mph - N/A   Mostly Cloudy
2:35 AM 48.2 °F - 48.2 °F 100% 29.66 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
2:55 AM 48.2 °F - 46.4 °F 93% 29.66 in 10.0 mi WNW 11.5 mph 16.1 mph N/A   Mostly Cloudy
3:15 AM 48.2 °F - 48.2 °F 100% 29.66 in 10.0 mi WNW 13.8 mph - N/A   Mostly Cloudy
3:35 AM 48.2 °F - 46.4 °F 93% 29.65 in 10.0 mi WNW 9.2 mph - N/A   Partly Cloudy
3:55 AM 48.2 °F - 46.4 °F 93% 29.64 in 10.0 mi NW 5.8 mph - N/A   Clear
4:15 AM 48.2 °F - 46.4 °F 93% 29.65 in 10.0 mi WNW 8.1 mph - N/A   Scattered Clouds
4:35 AM 46.4 °F 43.5 °F 46.4 °F 100% 29.65 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
4:55 AM 46.4 °F 43.5 °F 46.4 °F 100% 29.65 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
5:15 AM 46.4 °F 42.4 °F 46.4 °F 100% 29.67 in 10.0 mi NW 8.1 mph - N/A   Overcast
5:35 AM 46.4 °F 42.4 °F 46.4 °F 100% 29.69 in 10.0 mi NW 8.1 mph - N/A   Overcast
5:55 AM 46.4 °F 42.9 °F 46.4 °F 100% 29.70 in 10.0 mi WNW 6.9 mph - N/A   Overcast
6:15 AM 46.4 °F 41.9 °F 46.4 °F 100% 29.71 in 10.0 mi WNW 9.2 mph - N/A   Overcast
6:35 AM 46.4 °F 41.1 °F 46.4 °F 100% 29.72 in 10.0 mi WNW 11.5 mph - N/A   Overcast
6:55 AM 48.2 °F - 46.4 °F 93% 29.73 in 10.0 mi West 11.5 mph 19.6 mph N/A   Overcast
7:15 AM 48.2 °F - 46.4 °F 93% 29.74 in 10.0 mi West 11.5 mph - N/A   Overcast
7:35 AM 48.2 °F - 44.6 °F 87% 29.75 in 10.0 mi West 12.7 mph 17.3 mph N/A   Overcast
7:55 AM 48.2 °F - 42.8 °F 82% 29.75 in 10.0 mi West 15.0 mph 24.2 mph N/A   Mostly Cloudy
8:15 AM 50.0 °F - 44.6 °F 82% 29.75 in 10.0 mi West 8.1 mph - N/A   Partly Cloudy
8:35 AM 50.0 °F - 44.6 °F 82% 29.76 in 10.0 mi WNW 15.0 mph 20.7 mph N/A   Clear
8:55 AM 50.0 °F - 44.6 °F 82% 29.77 in 10.0 mi NW 12.7 mph 20.7 mph N/A   Scattered Clouds
9:15 AM 50.0 °F - 46.4 °F 87% 29.78 in 10.0 mi NW 12.7 mph 16.1 mph N/A   Overcast
9:35 AM 50.0 °F - 44.6 °F 82% 29.78 in 10.0 mi NW 15.0 mph 19.6 mph N/A   Overcast
9:55 AM 51.8 °F - 44.6 °F 76% 29.79 in 10.0 mi West 16.1 mph 21.9 mph N/A   Mostly Cloudy
10:15 AM 53.6 °F - 44.6 °F 72% 29.80 in 10.0 mi WNW 15.0 mph 20.7 mph N/A   Scattered Clouds
10:35 AM 53.6 °F - 44.6 °F 72% 29.80 in 10.0 mi WNW 12.7 mph 19.6 mph N/A   Scattered Clouds
10:55 AM 55.4 °F - 41.0 °F 58% 29.80 in 10.0 mi WNW 17.3 mph 23.0 mph N/A   Clear
11:15 AM 55.4 °F - 42.8 °F 63% 29.80 in 10.0 mi WNW 16.1 mph 24.2 mph N/A   Clear
11:35 AM 55.4 °F - 42.8 °F 63% 29.80 in 10.0 mi WNW 13.8 mph 18.4 mph N/A   Clear
11:55 AM 55.4 °F - 42.8 °F 63% 29.80 in 10.0 mi WNW 16.1 mph 21.9 mph N/A   Clear
12:15 PM 57.2 °F - 44.6 °F 63% 29.81 in 10.0 mi WNW 13.8 mph 23.0 mph N/A   Clear
12:35 PM 57.2 °F - 44.6 °F 63% 29.81 in 10.0 mi NW 13.8 mph 21.9 mph N/A   Clear
12:55 PM 57.2 °F - 41.0 °F 55% 29.82 in 10.0 mi NW 13.8 mph 23.0 mph N/A   Clear
1:15 PM 57.2 °F - 42.8 °F 59% 29.82 in 10.0 mi NNW 12.7 mph 17.3 mph N/A   Clear
1:35 PM 59.0 °F - 42.8 °F 55% 29.82 in 10.0 mi NW 16.1 mph 20.7 mph N/A   Partly Cloudy
1:55 PM 59.0 °F - 42.8 °F 55% 29.81 in 10.0 mi NW 10.4 mph 20.7 mph N/A   Scattered Clouds
2:15 PM 59.0 °F - 42.8 °F 55% 29.81 in 10.0 mi NW 16.1 mph 20.7 mph N/A   Partly Cloudy
2:35 PM 59.0 °F - 44.6 °F 59% 29.82 in 10.0 mi North 12.7 mph 19.6 mph N/A   Scattered Clouds
3:15 PM 57.2 °F - 42.8 °F 59% 29.83 in 10.0 mi NNW 9.2 mph - N/A   Overcast
3:35 PM 57.2 °F - 42.8 °F 59% 29.83 in 10.0 mi North 13.8 mph - N/A   Overcast
3:55 PM 55.4 °F - 42.8 °F 63% 29.84 in 10.0 mi North 11.5 mph - N/A   Mostly Cloudy
4:15 PM 57.2 °F - 41.0 °F 55% 29.85 in 10.0 mi North 11.5 mph 17.3 mph N/A   Overcast
4:35 PM 55.4 °F - 41.0 °F 58% 29.86 in 10.0 mi North 8.1 mph - N/A   Overcast
4:55 PM 55.4 °F - 39.2 °F 54% 29.86 in 10.0 mi North 10.4 mph - N/A   Overcast
5:15 PM 55.4 °F - 39.2 °F 54% 29.87 in 10.0 mi North 6.9 mph - N/A   Overcast
5:35 PM 53.6 °F - 39.2 °F 58% 29.88 in 10.0 mi North 10.4 mph - N/A   Overcast
5:55 PM 53.6 °F - 39.2 °F 58% 29.87 in 10.0 mi North 15.0 mph 20.7 mph N/A   Overcast
6:15 PM 51.8 °F - 39.2 °F 62% 29.88 in 10.0 mi North 11.5 mph 18.4 mph N/A   Overcast
6:35 PM 50.0 °F - 37.4 °F 62% 29.90 in 10.0 mi NNW 13.8 mph 19.6 mph N/A   Overcast
6:55 PM 50.0 °F - 37.4 °F 62% 29.91 in 10.0 mi NNW 11.5 mph - N/A   Overcast
7:15 PM 50.0 °F - 37.4 °F 62% 29.92 in 10.0 mi North 8.1 mph - N/A   Overcast
7:35 PM 48.2 °F - 35.6 °F 62% 29.92 in 10.0 mi NNW 5.8 mph - N/A   Overcast
7:55 PM 48.2 °F - 37.4 °F 66% 29.92 in 10.0 mi North 9.2 mph - N/A   Overcast
8:15 PM 48.2 °F - 37.4 °F 66% 29.94 in 10.0 mi North 9.2 mph - N/A   Overcast
8:35 PM 46.4 °F 41.5 °F 35.6 °F 66% 29.95 in 10.0 mi NNW 10.4 mph - N/A   Overcast
8:55 PM 46.4 °F 41.5 °F 35.6 °F 66% 29.95 in 10.0 mi NNW 10.4 mph - N/A   Overcast
9:15 PM 46.4 °F 41.9 °F 35.6 °F 66% 29.96 in 10.0 mi NW 9.2 mph - N/A   Overcast
9:35 PM 46.4 °F 41.9 °F 35.6 °F 66% 29.97 in 10.0 mi NNW 9.2 mph - N/A   Overcast
9:55 PM 44.6 °F 41.4 °F 37.4 °F 76% 29.97 in 10.0 mi NW 5.8 mph - N/A   Overcast
10:15 PM 44.6 °F 40.7 °F 35.6 °F 71% 29.97 in 10.0 mi NW 6.9 mph - N/A   Overcast
10:55 PM 44.6 °F 41.4 °F 37.4 °F 76% 29.95 in 10.0 mi NW 5.8 mph - N/A   Overcast
11:15 PM 44.6 °F 40.7 °F 37.4 °F 76% 29.93 in 10.0 mi NW 6.9 mph - N/A   Overcast
11:35 PM 44.6 °F 41.4 °F 37.4 °F 76% 29.93 in 10.0 mi NW 5.8 mph - N/A   Overcast
11:55 PM 44.6 °F 40.2 °F 37.4 °F 76% 29.94 in 10.0 mi NW 8.1 mph - N/A   Overcast