History for Spearfish, SD

Friday, August 31, 2012 — View Current Conditions
Friday, August 31, 2012
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Daily Weekly Monthly Custom
  Actual Average (KEFC) Record (KEFC)
Temperature
Mean Temperature 75 °F -  
Max Temperature 84 °F 85 °F 106 °F (1954)
Min Temperature 66 °F 51 °F 36 °F (1993)
Cooling Degree Days 10    
Growing Degree Days 25 (Base 50)    
Moisture
Dew Point 43 °F    
Average Humidity 32    
Maximum Humidity 37    
Minimum Humidity 26    
Precipitation
Precipitation 0.00 in - - ()
Sea Level Pressure
Sea Level Pressure 30.03 in    
Wind
Wind Speed 14 mph (ESE)    
Max Wind Speed 21 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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Astronomy
May. 22, 2013 Rise Set
Actual Time 7:17 AM CDT 8:32 PM CDT
Civil Twilight 6:47 AM CDT 9:02 PM CDT
Nautical Twilight 6:11 AM CDT 9:38 PM CDT
Astronomical Twilight 5:32 AM CDT 10:16 PM CDT
Moon 8:15 PM CDT (8/31) 7:27 AM CDT (8/31)
Length Of Visible Light 14h 15m
Length of Day
13h 15m
Full, 100% of the Moon is Illuminated
Aug 31
Full
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
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Hourly Observations
Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 71.6 °F 35.6 °F 27% 30.09 in 10.0 mi ESE 15.0 mph - N/A   Clear
12:35 AM 71.6 °F 35.6 °F 27% 30.08 in 10.0 mi ESE 13.8 mph - N/A   Clear
12:55 AM 71.6 °F 35.6 °F 27% 30.09 in 10.0 mi ESE 10.4 mph 19.6 mph N/A   Clear
1:15 AM 71.6 °F 35.6 °F 27% 30.09 in 10.0 mi East 10.4 mph - N/A   Clear
1:35 AM 71.6 °F 35.6 °F 27% 30.08 in 10.0 mi East 9.2 mph - N/A   Clear
1:55 AM 69.8 °F 35.6 °F 28% 30.07 in 10.0 mi East 13.8 mph 19.6 mph N/A   Clear
2:15 AM 69.8 °F 35.6 °F 28% 30.06 in 10.0 mi ESE 13.8 mph - N/A   Partly Cloudy
2:35 AM 71.6 °F 37.4 °F 29% 30.06 in 10.0 mi ESE 15.0 mph 20.7 mph N/A   Partly Cloudy
2:55 AM 71.6 °F 37.4 °F 29% 30.06 in 10.0 mi ESE 15.0 mph 21.9 mph N/A   Clear
3:15 AM 71.6 °F 37.4 °F 29% 30.05 in 10.0 mi ESE 18.4 mph 24.2 mph N/A   Partly Cloudy
3:55 AM 69.8 °F 37.4 °F 31% 30.06 in 10.0 mi ESE 12.7 mph - N/A   Partly Cloudy
4:15 AM 68.0 °F 37.4 °F 33% 30.06 in 10.0 mi ESE 9.2 mph - N/A   Mostly Cloudy
4:35 AM 68.0 °F 39.2 °F 35% 30.06 in 10.0 mi ESE 9.2 mph - N/A   Mostly Cloudy
4:55 AM 68.0 °F 39.2 °F 35% 30.06 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
5:35 AM 66.2 °F 39.2 °F 37% 30.06 in 10.0 mi East 5.8 mph - N/A   Scattered Clouds
5:55 AM 68.0 °F 39.2 °F 35% 30.06 in 10.0 mi ESE 13.8 mph - N/A   Partly Cloudy
6:15 AM 66.2 °F 39.2 °F 37% 30.06 in 10.0 mi ESE 11.5 mph - N/A   Clear
6:35 AM 68.0 °F 39.2 °F 35% 30.07 in 10.0 mi East 15.0 mph - N/A   Clear
6:55 AM 66.2 °F 39.2 °F 37% 30.06 in 10.0 mi ESE 18.4 mph - N/A   Mostly Cloudy
7:15 AM 68.0 °F 39.2 °F 35% 30.07 in 10.0 mi East 17.3 mph - N/A   Overcast
7:35 AM 68.0 °F 39.2 °F 35% 30.07 in 10.0 mi ESE 16.1 mph - N/A   Mostly Cloudy
7:55 AM 68.0 °F 39.2 °F 35% 30.07 in 10.0 mi East 16.1 mph - N/A   Scattered Clouds
8:15 AM 68.0 °F 39.2 °F 35% 30.07 in 10.0 mi ESE 15.0 mph - N/A   Clear
8:35 AM 68.0 °F 37.4 °F 33% 30.08 in 10.0 mi ESE 13.8 mph - N/A   Clear
8:55 AM 68.0 °F 37.4 °F 33% 30.07 in 10.0 mi East 13.8 mph - N/A   Clear
9:15 AM 69.8 °F 37.4 °F 31% 30.07 in 10.0 mi East 16.1 mph - N/A   Clear
9:35 AM 71.6 °F 37.4 °F 29% 30.06 in 10.0 mi ESE 18.4 mph - N/A   Clear
9:55 AM 73.4 °F 37.4 °F 27% 30.06 in 10.0 mi ESE 17.3 mph - N/A   Clear
10:15 AM 71.6 °F 39.2 °F 31% 30.06 in 10.0 mi ESE 17.3 mph - N/A   Clear
10:35 AM 69.8 °F 41.0 °F 35% 30.06 in 10.0 mi ESE 17.3 mph - N/A   Clear
10:55 AM 73.4 °F 41.0 °F 31% 30.07 in 9.0 mi ESE 18.4 mph - N/A   Clear
11:15 AM 73.4 °F 41.0 °F 31% 30.06 in 10.0 mi East 20.7 mph - N/A   Clear
11:35 AM 73.4 °F 42.8 °F 33% 30.06 in 10.0 mi ESE 19.6 mph 24.2 mph N/A   Clear
11:55 AM 73.4 °F 44.6 °F 36% 30.06 in 10.0 mi East 18.4 mph 23.0 mph N/A   Clear
12:15 PM 73.4 °F 44.6 °F 36% 30.05 in 10.0 mi East 17.3 mph 23.0 mph N/A   Clear
12:35 PM 73.4 °F 44.6 °F 36% 30.05 in 10.0 mi ESE 17.3 mph - N/A   Clear
12:55 PM 75.2 °F 44.6 °F 34% 30.05 in 10.0 mi East 16.1 mph 20.7 mph N/A   Clear
1:15 PM 75.2 °F 46.4 °F 36% 30.04 in 10.0 mi ESE 17.3 mph 21.9 mph N/A   Clear
1:35 PM 75.2 °F 46.4 °F 36% 30.04 in 10.0 mi East 12.7 mph - N/A   Clear
1:55 PM 75.2 °F 46.4 °F 36% 30.04 in 10.0 mi East 11.5 mph 17.3 mph N/A   Clear
2:15 PM 77.0 °F 46.4 °F 34% 30.04 in 10.0 mi East 16.1 mph - N/A   Clear
2:35 PM 77.0 °F 46.4 °F 34% 30.03 in 10.0 mi East 16.1 mph - N/A   Clear
2:55 PM 78.8 °F 46.4 °F 32% 30.03 in 10.0 mi East 15.0 mph - N/A   Clear
3:15 PM 78.8 °F 46.4 °F 32% 30.02 in 10.0 mi ESE 18.4 mph 21.9 mph N/A   Clear
3:35 PM 78.8 °F 48.2 °F 34% 30.01 in 10.0 mi ESE 15.0 mph 19.6 mph N/A   Clear
3:55 PM 78.8 °F 48.2 °F 34% 30.01 in 10.0 mi ESE 15.0 mph - N/A   Clear
4:15 PM 82.4 °F 48.2 °F 30% 30.00 in 10.0 mi East 17.3 mph - N/A   Clear
4:35 PM 84.2 °F 48.2 °F 29% 29.99 in 10.0 mi East 15.0 mph - N/A   Clear
4:55 PM 82.4 °F 48.2 °F 30% 29.99 in 10.0 mi East 16.1 mph 23.0 mph N/A   Clear
5:15 PM 84.2 °F 48.2 °F 29% 29.98 in 10.0 mi East 13.8 mph - N/A   Clear
5:35 PM 84.2 °F 48.2 °F 29% 29.97 in 10.0 mi East 18.4 mph - N/A   Clear
5:55 PM 82.4 °F 48.2 °F 30% 29.97 in 10.0 mi East 16.1 mph - N/A   Clear
6:15 PM 82.4 °F 48.2 °F 30% 29.97 in 10.0 mi East 11.5 mph - N/A   Clear
6:35 PM 82.4 °F 48.2 °F 30% 29.97 in 10.0 mi East 13.8 mph 17.3 mph N/A   Clear
6:55 PM 84.2 °F 48.2 °F 29% 29.96 in 10.0 mi East 13.8 mph - N/A   Clear
7:15 PM 82.4 °F 48.2 °F 30% 29.96 in 10.0 mi East 13.8 mph - N/A   Clear
7:35 PM 80.6 °F 48.2 °F 32% 29.96 in 10.0 mi East 9.2 mph - N/A   Clear
7:55 PM 78.8 °F 48.2 °F 34% 29.96 in 10.0 mi ESE 8.1 mph - N/A   Clear
8:15 PM 77.0 °F 48.2 °F 36% 29.96 in 10.0 mi ESE 9.2 mph - N/A   Clear
8:35 PM 77.0 °F 46.4 °F 34% 29.96 in 10.0 mi East 8.1 mph - N/A   Clear
8:55 PM 80.6 °F 46.4 °F 30% 29.96 in 10.0 mi ESE 11.5 mph 19.6 mph N/A   Clear
9:15 PM 80.6 °F 44.6 °F 28% 29.96 in 10.0 mi SE 13.8 mph 20.7 mph N/A   Clear
9:35 PM 80.6 °F 44.6 °F 28% 29.96 in 10.0 mi SSE 12.7 mph - N/A   Clear
9:55 PM 78.8 °F 44.6 °F 30% 29.95 in 10.0 mi SE 12.7 mph - N/A   Clear
10:15 PM 78.8 °F 44.6 °F 30% 29.95 in 10.0 mi SSE 13.8 mph - N/A   Clear
10:35 PM 80.6 °F 44.6 °F 28% 29.95 in 10.0 mi SSE 12.7 mph - N/A   Clear
10:55 PM 80.6 °F 44.6 °F 28% 29.96 in 10.0 mi SW 8.1 mph - N/A   Clear
11:15 PM 80.6 °F 42.8 °F 26% 29.97 in 10.0 mi WNW 4.6 mph - N/A   Clear
11:35 PM 77.0 °F 44.6 °F 32% 29.98 in 10.0 mi NNW 4.6 mph - N/A   Clear
11:55 PM 78.8 °F 44.6 °F 30% 29.97 in 10.0 mi SSW 5.8 mph - N/A   Clear
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