Weather History for Spearfish, SD

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Sunday, March 17, 2013

  Actual Average (KEFC) Record (KEFC)
Temperature  
Mean Temperature 38 °F -  
Max Temperature 53 °F 49 °F 71 °F (1974)
Min Temperature 23 °F 24 °F -4 °F (1965)
Degree Days  
Heating Degree Days 27    
Moisture  
Dew Point 25 °F    
Average Humidity 82    
Maximum Humidity 100    
Minimum Humidity 33    
Precipitation  
Precipitation 1.29 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.57 in    
Wind  
Wind Speed 10 mph (WNW)    
Max Wind Speed 31 mph    
Max Gust Speed 46 mph    
Visibility 5 miles    
Events Fog , 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

Mar. 17, 2013 Rise Set
Actual Time 8:03 AM CDT 8:04 PM CDT
Civil Twilight 7:34 AM CDT 8:33 PM CDT
Nautical Twilight 7:00 AM CDT 9:07 PM CDT
Astronomical Twilight 6:25 AM CDT 9:41 PM CDT
Moon 11:04 AM CDT (3/17) 1:26 AM CDT (3/17)
Length of Visible Light 12h 58m
Length of Day
12h 00m
Waxing Crescent, 31% of the Moon is Illuminated
Mar 17
Waxing Crescent
Mar 19
First Quarter
Mar 27
Full
Apr 2
Last Quarter
Apr 10
New

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 28.4 °F 22.2 °F 28.4 °F 100% 29.82 in 0.2 mi NNW 5.8 mph - N/A Fog Light Freezing Fog
12:35 AM 26.6 °F 21.2 °F 26.6 °F 100% 29.82 in 0.2 mi North 4.6 mph - N/A Fog Light Freezing Fog
12:55 AM 28.4 °F - 28.4 °F 100% 29.81 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
1:15 AM 28.4 °F 24.6 °F 28.4 °F 100% 29.79 in 0.2 mi ENE 3.5 mph - N/A Fog Light Freezing Fog
1:35 AM 28.4 °F - 28.4 °F 100% 29.78 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
1:55 AM 26.6 °F 22.6 °F 26.6 °F 100% 29.77 in 0.2 mi NE 3.5 mph - N/A Fog Light Freezing Fog
2:15 AM 26.6 °F - 26.6 °F 100% 29.76 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
2:35 AM 26.6 °F 22.6 °F 26.6 °F 100% 29.75 in 0.2 mi WNW 3.5 mph - N/A Fog Light Freezing Fog
2:55 AM 26.6 °F - 26.6 °F 100% 29.74 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
3:15 AM 26.6 °F - 24.8 °F 93% 29.73 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
3:35 AM 26.6 °F - 24.8 °F 93% 29.72 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
3:55 AM 26.6 °F - 26.6 °F 100% 29.70 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
4:15 AM 26.6 °F 21.2 °F 24.8 °F 93% 29.70 in 0.2 mi SW 4.6 mph - N/A Fog Light Freezing Fog
4:35 AM 26.6 °F 20.0 °F 24.8 °F 93% 29.69 in 0.2 mi West 5.8 mph - N/A Fog Light Freezing Fog
4:55 AM 26.6 °F 22.6 °F 24.8 °F 93% 29.67 in 0.2 mi SW 3.5 mph - N/A Fog Light Freezing Fog
5:15 AM 24.8 °F - 24.8 °F 100% 29.66 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
5:35 AM 24.8 °F 19.1 °F 23.0 °F 93% 29.63 in 0.8 mi SSE 4.6 mph - N/A   Overcast
5:55 AM 23.0 °F 15.8 °F 23.0 °F 100% 29.62 in 0.2 mi ESE 5.8 mph - N/A Fog Light Freezing Fog
6:15 AM 24.8 °F 19.1 °F 23.0 °F 93% 29.60 in 1.8 mi ESE 4.6 mph - N/A   Overcast
6:35 AM 23.0 °F 18.4 °F 23.0 °F 100% 29.59 in 3.0 mi SE 3.5 mph - N/A   Mostly Cloudy
6:55 AM 23.0 °F - 23.0 °F 100% 29.57 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
7:15 AM 24.8 °F 20.5 °F 23.0 °F 93% 29.54 in 0.5 mi East 3.5 mph - N/A Fog Light Freezing Fog
7:35 AM 24.8 °F - 23.0 °F 93% 29.52 in 3.0 mi Calm Calm - N/A   Partly Cloudy
7:55 AM 24.8 °F 19.1 °F 23.0 °F 93% 29.50 in 4.0 mi NW 4.6 mph - N/A   Partly Cloudy
8:15 AM 24.8 °F 15.3 °F 23.0 °F 93% 29.49 in 0.2 mi West 9.2 mph - N/A Fog Light Freezing Fog
8:35 AM 24.8 °F 16.9 °F 23.0 °F 93% 29.48 in 0.2 mi NW 6.9 mph - N/A Fog Light Freezing Fog
8:55 AM 24.8 °F 16.9 °F 24.8 °F 100% 29.48 in 0.2 mi WNW 6.9 mph - N/A Fog Light Freezing Fog
9:15 AM 24.8 °F 16.1 °F 23.0 °F 93% 29.47 in 0.2 mi NW 8.1 mph - N/A Fog Light Freezing Fog
9:35 AM 24.8 °F - 24.8 °F 100% 29.45 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
9:55 AM 26.6 °F 21.2 °F 26.6 °F 100% 29.43 in 0.2 mi ESE 4.6 mph - N/A Fog Light Freezing Fog
10:15 AM 26.6 °F - 26.6 °F 100% 29.42 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
10:35 AM 28.4 °F - 28.4 °F 100% 29.40 in 5.0 mi Calm Calm - N/A   Clear
10:55 AM 32.0 °F - 32.0 °F 100% 29.38 in 8.0 mi Calm Calm - N/A   Clear
11:15 AM 37.4 °F 30.8 °F 37.4 °F 100% 29.36 in 10.0 mi West 9.2 mph 24.2 mph N/A   Clear
11:35 AM 48.2 °F - 28.4 °F 46% 29.34 in 10.0 mi WSW 26.5 mph 35.7 mph N/A   Clear
11:55 AM 50.0 °F - 24.8 °F 37% 29.33 in 10.0 mi WSW 17.3 mph 33.4 mph N/A   Clear
12:15 PM 46.4 °F 41.9 °F 26.6 °F 46% 29.34 in 10.0 mi WNW 9.2 mph - N/A   Clear
12:35 PM 50.0 °F - 24.8 °F 37% 29.34 in 10.0 mi West 19.6 mph 33.4 mph N/A   Clear
12:55 PM 51.8 °F - 26.6 °F 38% 29.34 in 10.0 mi West 21.9 mph 26.5 mph N/A   Clear
1:15 PM 53.6 °F - 24.8 °F 33% 29.33 in 10.0 mi West 21.9 mph 34.5 mph N/A   Clear
1:35 PM 51.8 °F - 24.8 °F 35% 29.35 in 10.0 mi West 23.0 mph 34.5 mph N/A   Clear
1:55 PM 53.6 °F - 24.8 °F 33% 29.35 in 10.0 mi West 19.6 mph 27.6 mph N/A   Scattered Clouds
2:15 PM 50.0 °F - 26.6 °F 40% 29.35 in 10.0 mi West 21.9 mph 31.1 mph N/A   Mostly Cloudy
2:35 PM 48.2 °F - 26.6 °F 43% 29.35 in 10.0 mi WNW 25.3 mph 33.4 mph N/A   Mostly Cloudy
2:55 PM 46.4 °F 38.1 °F 28.4 °F 50% 29.35 in 10.0 mi West 24.2 mph 31.1 mph N/A   Mostly Cloudy
3:15 PM 44.6 °F 35.7 °F 30.2 °F 57% 29.37 in 10.0 mi WNW 24.2 mph 34.5 mph N/A   Mostly Cloudy
3:35 PM 37.4 °F 25.2 °F 32.0 °F 81% 29.41 in 3.0 mi WNW 28.8 mph 46.0 mph 0.05 in Rain Light Rain
3:55 PM 35.6 °F 24.5 °F 32.0 °F 87% 29.43 in 7.0 mi WNW 20.7 mph 33.4 mph 0.07 in Rain Light Rain
4:15 PM 35.6 °F 25.9 °F 32.0 °F 87% 29.44 in 7.0 mi WNW 16.1 mph 32.2 mph 0.01 in Rain Light Rain
4:35 PM 35.6 °F 25.2 °F 32.0 °F 87% 29.45 in 5.0 mi WNW 18.4 mph 34.5 mph 0.03 in Rain Light Rain
4:55 PM 35.6 °F 24.5 °F 32.0 °F 87% 29.45 in 5.0 mi WNW 20.7 mph 28.8 mph 0.04 in Rain Light Rain
5:15 PM 32.0 °F 18.1 °F 30.2 °F 93% 29.49 in 1.0 mi NW 27.6 mph 43.7 mph 0.17 in Snow Light Snow
5:35 PM 32.0 °F 18.1 °F 28.4 °F 87% 29.52 in 3.0 mi WNW 27.6 mph 39.1 mph 0.19 in Snow Light Snow
5:55 PM 32.0 °F 18.1 °F 26.6 °F 80% 29.54 in 5.0 mi NW 27.6 mph 42.6 mph 0.23 in   Scattered Clouds
6:15 PM 30.2 °F 18.5 °F 28.4 °F 93% 29.55 in 0.5 mi WNW 17.3 mph 31.1 mph 0.13 in   Mostly Cloudy
6:35 PM 30.2 °F 16.5 °F 28.4 °F 93% 29.58 in 0.2 mi WNW 24.2 mph 34.5 mph 0.37 in   Overcast
6:55 PM 28.4 °F 13.0 °F 26.6 °F 93% 29.60 in 0.5 mi NW 28.8 mph 38.0 mph 0.78 in Snow Snow
7:15 PM 28.4 °F 12.5 °F 24.8 °F 86% 29.62 in 1.0 mi NW 31.1 mph 41.4 mph 0.13 in   Mostly Cloudy
7:35 PM 26.6 °F 10.8 °F 24.8 °F 93% 29.63 in 7.0 mi NW 27.6 mph 38.0 mph 0.16 in Snow Light Snow
7:55 PM 28.4 °F 13.8 °F 23.0 °F 80% 29.65 in 10.0 mi NW 25.3 mph 41.4 mph 0.17 in Snow Light Snow
8:15 PM 28.4 °F 14.1 °F 23.0 °F 80% 29.67 in 10.0 mi WNW 24.2 mph 35.7 mph N/A   Overcast
8:35 PM 28.4 °F 14.7 °F 21.2 °F 74% 29.68 in 10.0 mi WNW 21.9 mph 40.3 mph N/A Snow Light Snow
8:55 PM 26.6 °F 11.1 °F 21.2 °F 80% 29.68 in 10.0 mi WNW 26.5 mph 35.7 mph N/A   Overcast
9:15 PM 26.6 °F 11.4 °F 21.2 °F 80% 29.69 in 10.0 mi WNW 25.3 mph 35.7 mph N/A   Overcast
9:35 PM 26.6 °F 11.7 °F 19.4 °F 74% 29.69 in 10.0 mi WNW 24.2 mph 34.5 mph N/A   Overcast
9:55 PM 26.6 °F 11.4 °F 19.4 °F 74% 29.70 in 10.0 mi WNW 25.3 mph 34.5 mph N/A   Overcast
10:15 PM 24.8 °F 8.1 °F 17.6 °F 74% 29.70 in 10.0 mi WNW 28.8 mph 35.7 mph N/A   Overcast
10:35 PM 24.8 °F 8.7 °F 17.6 °F 74% 29.71 in 10.0 mi WNW 26.5 mph 36.8 mph N/A   Overcast
10:55 PM 23.0 °F 6.3 °F 15.8 °F 74% 29.72 in 10.0 mi WNW 26.5 mph 35.7 mph N/A   Overcast
11:15 PM 23.0 °F 6.9 °F 15.8 °F 74% 29.72 in 10.0 mi WNW 24.2 mph 36.8 mph N/A   Overcast
11:35 PM 23.0 °F 6.9 °F 15.8 °F 74% 29.72 in 10.0 mi West 24.2 mph 34.5 mph N/A   Overcast
11:55 PM 23.0 °F 6.9 °F 15.8 °F 74% 29.72 in 10.0 mi WNW 24.2 mph 35.7 mph N/A   Mostly Cloudy