Weather History for Spearfish, SD

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Sunday, May 19, 2013

  Actual Average (KEFC) Record (KEFC)
Temperature  
Mean Temperature 50 °F -  
Max Temperature 53 °F 71 °F 94 °F (1992)
Min Temperature 46 °F 44 °F 32 °F (1960)
Degree Days  
Heating Degree Days 16    
Moisture  
Dew Point 50 °F    
Average Humidity 97    
Maximum Humidity 100    
Minimum Humidity 88    
Precipitation  
Precipitation 2.06 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.79 in    
Wind  
Wind Speed 12 mph (NW)    
Max Wind Speed 23 mph    
Max Gust Speed 32 mph    
Visibility 6 miles    
Events Rain    
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

May. 19, 2013 Rise Set
Actual Time 6:23 AM CDT 9:20 PM CDT
Civil Twilight 5:48 AM CDT 9:55 PM CDT
Nautical Twilight 5:05 AM CDT 10:39 PM CDT
Astronomical Twilight 4:13 AM CDT 11:31 PM CDT
Moon 3:14 PM CDT (5/19) 3:02 AM CDT (5/19)
Length of Visible Light 16h 06m
Length of Day
14h 57m
Waxing Gibbous, 65% of the Moon is Illuminated
May 19
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
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 53.6 °F - 50.0 °F 88% 29.82 in 10.0 mi WNW 13.8 mph 18.4 mph N/A   Overcast
12:35 AM 53.6 °F - 51.8 °F 94% 29.83 in 10.0 mi WNW 10.4 mph 16.1 mph N/A   Overcast
12:55 AM 53.6 °F - 50.0 °F 88% 29.82 in 10.0 mi West 6.9 mph - N/A   Overcast
1:15 AM 53.6 °F - 50.0 °F 88% 29.81 in 5.0 mi West 9.2 mph - 0.02 in Rain Light Rain
1:35 AM 53.6 °F - 50.0 °F 88% 29.81 in 10.0 mi West 8.1 mph - 0.03 in   Mostly Cloudy
1:55 AM 53.6 °F - 50.0 °F 88% 29.81 in 5.0 mi WNW 9.2 mph - 0.03 in Rain Light Rain
2:15 AM 51.8 °F - 50.0 °F 94% 29.82 in 3.0 mi WNW 6.9 mph - 0.11 in Rain Rain
2:35 AM 51.8 °F - 51.8 °F 100% 29.82 in 3.0 mi WNW 12.7 mph - 0.24 in Rain Heavy Rain
2:55 AM 51.8 °F - 51.8 °F 100% 29.82 in 3.0 mi WNW 12.7 mph 17.3 mph 0.34 in Rain Rain
3:15 AM 51.8 °F - 51.8 °F 100% 29.82 in 5.0 mi WNW 9.2 mph - 0.04 in Rain Light Rain
3:35 AM 51.8 °F - 51.8 °F 100% 29.82 in 10.0 mi WNW 10.4 mph - 0.04 in Rain Light Rain
3:55 AM 53.6 °F - 51.8 °F 94% 29.82 in 10.0 mi WNW 8.1 mph - 0.04 in   Mostly Cloudy
4:15 AM 53.6 °F - 51.8 °F 94% 29.80 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
4:35 AM 51.8 °F - 51.8 °F 100% 29.79 in 10.0 mi WNW 11.5 mph - N/A   Mostly Cloudy
4:55 AM 51.8 °F - 51.8 °F 100% 29.79 in 10.0 mi WNW 11.5 mph 17.3 mph N/A   Mostly Cloudy
5:15 AM 51.8 °F - 51.8 °F 100% 29.79 in 10.0 mi West 9.2 mph - N/A   Overcast
5:35 AM 51.8 °F - 50.0 °F 94% 29.78 in 10.0 mi WNW 10.4 mph - N/A   Overcast
5:55 AM 51.8 °F - 50.0 °F 94% 29.78 in 10.0 mi WNW 9.2 mph - N/A   Overcast
6:15 AM 51.8 °F - 50.0 °F 94% 29.78 in 10.0 mi West 9.2 mph - N/A   Overcast
6:35 AM 53.6 °F - 50.0 °F 88% 29.78 in 10.0 mi WNW 8.1 mph - N/A   Overcast
6:55 AM 53.6 °F - 50.0 °F 88% 29.78 in 10.0 mi WNW 9.2 mph - N/A   Overcast
7:15 AM 51.8 °F - 50.0 °F 94% 29.78 in 2.5 mi West 9.2 mph - N/A Rain Light Rain
7:35 AM 53.6 °F - 50.0 °F 88% 29.78 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
7:55 AM 51.8 °F - 50.0 °F 94% 29.79 in 1.0 mi WNW 11.5 mph - 0.10 in Rain Heavy Rain
8:15 AM 51.8 °F - 50.0 °F 94% 29.79 in 1.0 mi WNW 10.4 mph - 0.07 in Rain Heavy Rain
8:35 AM 51.8 °F - 51.8 °F 100% 29.79 in 1.5 mi West 11.5 mph - 0.19 in Rain Heavy Rain
8:55 AM 51.8 °F - 51.8 °F 100% 29.78 in 3.0 mi West 15.0 mph 19.6 mph 0.33 in Rain Light Rain
9:15 AM 51.8 °F - 51.8 °F 100% 29.78 in 1.8 mi West 13.8 mph 17.3 mph 0.18 in Rain Heavy Rain
9:35 AM 51.8 °F - 51.8 °F 100% 29.78 in 2.0 mi WNW 15.0 mph 21.9 mph 0.24 in Rain Light Rain
9:55 AM 51.8 °F - 51.8 °F 100% 29.78 in 2.5 mi NW 12.7 mph - 0.33 in Rain Rain
10:15 AM 51.8 °F - 51.8 °F 100% 29.78 in 4.0 mi WNW 13.8 mph - 0.01 in Rain Light Rain
10:35 AM 51.8 °F - 51.8 °F 100% 29.78 in 3.0 mi WNW 11.5 mph 20.7 mph 0.04 in Rain Rain
10:55 AM 51.8 °F - 51.8 °F 100% 29.78 in 3.0 mi NW 16.1 mph 20.7 mph 0.10 in Rain Rain
11:15 AM 53.6 °F - 53.6 °F 100% 29.78 in 3.0 mi NW 13.8 mph 23.0 mph 0.04 in Rain Rain
11:35 AM 53.6 °F - 53.6 °F 100% 29.78 in 4.0 mi WNW 13.8 mph - 0.12 in Rain Rain
11:55 AM 53.6 °F - 53.6 °F 100% 29.77 in 5.0 mi WNW 15.0 mph - 0.17 in Rain Light Rain
12:15 PM 53.6 °F - 53.6 °F 100% 29.77 in 3.0 mi WNW 12.7 mph - 0.04 in Rain Rain
12:35 PM 53.6 °F - 53.6 °F 100% 29.77 in 4.0 mi NW 13.8 mph - 0.07 in Rain Light Rain
12:55 PM 53.6 °F - 53.6 °F 100% 29.77 in 4.0 mi NW 11.5 mph - 0.16 in Rain Rain
1:15 PM 53.6 °F - 53.6 °F 100% 29.77 in 1.8 mi North 10.4 mph 18.4 mph 0.17 in Rain Light Rain
1:35 PM 53.6 °F - 53.6 °F 100% 29.76 in 5.0 mi NW 9.2 mph - 0.19 in   Partly Cloudy
1:55 PM 53.6 °F - 53.6 °F 100% 29.76 in 10.0 mi North 12.7 mph 18.4 mph 0.19 in   Scattered Clouds
2:15 PM 53.6 °F - 51.8 °F 94% 29.77 in 2.5 mi North 10.4 mph 17.3 mph 0.06 in Rain Light Rain
2:35 PM 53.6 °F - 51.8 °F 94% 29.77 in 10.0 mi North 11.5 mph - 0.07 in Rain Light Rain
2:55 PM 53.6 °F - 51.8 °F 94% 29.77 in 9.0 mi NNW 9.2 mph - 0.07 in Rain Light Rain
3:15 PM 53.6 °F - 51.8 °F 94% 29.78 in 9.0 mi NNW 13.8 mph 18.4 mph N/A Rain Light Rain
3:35 PM 53.6 °F - 51.8 °F 94% 29.78 in 4.0 mi NW 11.5 mph - 0.02 in Rain Light Rain
3:55 PM 51.8 °F - 50.0 °F 94% 29.78 in 10.0 mi North 13.8 mph - 0.03 in Rain Light Rain
4:15 PM 51.8 °F - 50.0 °F 94% 29.78 in 10.0 mi NNW 11.5 mph - N/A Rain Light Rain
4:35 PM 51.8 °F - 50.0 °F 94% 29.78 in 10.0 mi NW 10.4 mph - N/A   Mostly Cloudy
4:55 PM 51.8 °F - 50.0 °F 94% 29.78 in 10.0 mi NNW 12.7 mph - N/A Rain Light Rain
5:15 PM 51.8 °F - 50.0 °F 94% 29.78 in 10.0 mi NNW 16.1 mph 19.6 mph N/A   Mostly Cloudy
5:35 PM 50.0 °F - 50.0 °F 100% 29.78 in 10.0 mi NNW 16.1 mph 23.0 mph N/A   Mostly Cloudy
5:55 PM 50.0 °F - 50.0 °F 100% 29.79 in 10.0 mi NNW 18.4 mph 25.3 mph N/A   Mostly Cloudy
6:15 PM 50.0 °F - 50.0 °F 100% 29.79 in 10.0 mi NNW 11.5 mph 18.4 mph N/A   Mostly Cloudy
6:35 PM 50.0 °F - 48.2 °F 94% 29.78 in 10.0 mi NW 15.0 mph 18.4 mph N/A   Mostly Cloudy
6:55 PM 50.0 °F - 50.0 °F 100% 29.79 in 3.0 mi NW 18.4 mph 27.6 mph 0.02 in Rain Rain
7:15 PM 50.0 °F - 48.2 °F 94% 29.79 in 3.0 mi NW 16.1 mph 23.0 mph N/A   Scattered Clouds
7:35 PM 50.0 °F - 48.2 °F 94% 29.79 in 0.8 mi NNW 18.4 mph 29.9 mph N/A   Mostly Cloudy
7:55 PM 48.2 °F - 48.2 °F 100% 29.80 in 3.0 mi NW 18.4 mph 28.8 mph N/A   Scattered Clouds
8:15 PM 48.2 °F - 48.2 °F 100% 29.80 in 8.0 mi NW 19.6 mph 26.5 mph N/A Rain Light Rain
8:35 PM 48.2 °F - 48.2 °F 100% 29.80 in 3.0 mi NW 21.9 mph 29.9 mph 0.01 in   Clear
8:55 PM 48.2 °F - 48.2 °F 100% 29.80 in 5.0 mi NW 21.9 mph 31.1 mph 0.02 in Rain Light Rain
9:15 PM 48.2 °F - 48.2 °F 100% 29.80 in 5.0 mi NW 18.4 mph 27.6 mph 0.01 in Rain Light Rain
9:35 PM 48.2 °F - 46.4 °F 93% 29.80 in 8.0 mi NW 15.0 mph 29.9 mph 0.03 in Rain Light Rain
9:55 PM 48.2 °F - 46.4 °F 93% 29.80 in 10.0 mi NW 20.7 mph 29.9 mph 0.03 in Rain Light Rain
10:15 PM 46.4 °F 39.0 °F 46.4 °F 100% 29.80 in 3.0 mi NW 19.6 mph 31.1 mph N/A   Partly Cloudy
10:35 PM 46.4 °F 39.2 °F 46.4 °F 100% 29.80 in 2.0 mi NW 18.4 mph 31.1 mph N/A   Mostly Cloudy
10:55 PM 46.4 °F 39.5 °F 46.4 °F 100% 29.80 in 6.0 mi WNW 17.3 mph 27.6 mph N/A   Mostly Cloudy
11:15 PM 46.4 °F 38.5 °F 46.4 °F 100% 29.78 in 10.0 mi WNW 21.9 mph 29.9 mph N/A   Mostly Cloudy
11:35 PM 46.4 °F 38.3 °F 46.4 °F 100% 29.78 in 4.0 mi WNW 23.0 mph 32.2 mph 0.04 in Rain Rain
11:55 PM 46.4 °F 39.0 °F 46.4 °F 100% 29.77 in 5.0 mi WNW 19.6 mph 28.8 mph 0.10 in Rain Rain