Weather History for Spearfish, SD

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Saturday, May 11, 2013

  Actual Average (KEFC) Record (KEFC)
Temperature  
Mean Temperature 46 °F -  
Max Temperature 60 °F 66 °F 90 °F (1958)
Min Temperature 32 °F 40 °F 22 °F (1968)
Degree Days  
Heating Degree Days 19    
Moisture  
Dew Point 28 °F    
Average Humidity 51    
Maximum Humidity 81    
Minimum Humidity 27    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.32 in    
Wind  
Wind Speed 6 mph (SW)    
Max Wind Speed 14 mph    
Max Gust Speed 16 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. 11, 2013 Rise Set
Actual Time 6:31 AM CDT 9:11 PM CDT
Civil Twilight 5:58 AM CDT 9:45 PM CDT
Nautical Twilight 5:16 AM CDT 10:27 PM CDT
Astronomical Twilight 4:28 AM CDT 11:15 PM CDT
Moon 7:40 AM CDT (5/11) 10:55 PM CDT (5/11)
Length of Visible Light 15h 46m
Length of Day
14h 39m
Waxing Crescent, 3% of the Moon is Illuminated
May 11
Waxing Crescent
May 17
First Quarter
May 24
Full
May 31
Last Quarter
Jun 8
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 44.6 °F 40.7 °F 28.4 °F 53% 30.38 in 10.0 mi West 6.9 mph - N/A   Overcast
12:35 AM 44.6 °F 43.1 °F 28.4 °F 53% 30.38 in 10.0 mi West 3.5 mph - N/A   Overcast
12:55 AM 39.2 °F 35.0 °F 32.0 °F 75% 30.38 in 10.0 mi SW 5.8 mph - N/A   Mostly Cloudy
1:15 AM 39.2 °F 35.0 °F 32.0 °F 75% 30.39 in 10.0 mi SW 5.8 mph - N/A   Partly Cloudy
1:35 AM 37.4 °F 30.8 °F 32.0 °F 81% 30.39 in 10.0 mi SSW 9.2 mph - N/A   Clear
1:55 AM 37.4 °F 32.1 °F 30.2 °F 75% 30.39 in 10.0 mi SSW 6.9 mph - N/A   Clear
2:15 AM 35.6 °F 29.9 °F 28.4 °F 75% 30.39 in 10.0 mi SSW 6.9 mph - N/A   Clear
2:35 AM 37.4 °F 31.4 °F 28.4 °F 70% 30.39 in 10.0 mi SSW 8.1 mph - N/A   Clear
2:55 AM 35.6 °F 28.6 °F 28.4 °F 75% 30.39 in 10.0 mi SSW 9.2 mph - N/A   Clear
3:15 AM 35.6 °F 28.6 °F 28.4 °F 75% 30.39 in 10.0 mi SSW 9.2 mph - N/A   Clear
3:35 AM 35.6 °F 31.7 °F 28.4 °F 75% 30.39 in 10.0 mi SW 4.6 mph - N/A   Clear
3:55 AM 33.8 °F 28.6 °F 26.6 °F 75% 30.39 in 10.0 mi West 5.8 mph - N/A   Clear
4:15 AM 33.8 °F 30.8 °F 26.6 °F 75% 30.39 in 10.0 mi WSW 3.5 mph - N/A   Clear
4:35 AM 33.8 °F 28.6 °F 26.6 °F 75% 30.39 in 10.0 mi SW 5.8 mph - N/A   Clear
4:55 AM 33.8 °F 30.8 °F 26.6 °F 75% 30.39 in 10.0 mi WSW 3.5 mph - N/A   Clear
5:15 AM 35.6 °F 31.7 °F 24.8 °F 65% 30.39 in 10.0 mi WSW 4.6 mph - N/A   Clear
5:35 AM 35.6 °F 30.7 °F 24.8 °F 65% 30.39 in 10.0 mi WSW 5.8 mph - N/A   Clear
5:55 AM 33.8 °F 28.6 °F 24.8 °F 70% 30.39 in 10.0 mi WSW 5.8 mph - N/A   Clear
6:15 AM 32.0 °F 26.4 °F 24.8 °F 75% 30.39 in 10.0 mi West 5.8 mph - N/A   Clear
6:35 AM 33.8 °F 28.6 °F 26.6 °F 75% 30.40 in 10.0 mi West 5.8 mph - N/A   Clear
6:55 AM 33.8 °F - 26.6 °F 75% 30.41 in 10.0 mi Calm Calm - N/A   Clear
7:15 AM 35.6 °F - 28.4 °F 75% 30.41 in 10.0 mi Calm Calm - N/A   Clear
7:35 AM 37.4 °F 33.8 °F 30.2 °F 75% 30.41 in 10.0 mi SW 4.6 mph - N/A   Clear
7:55 AM 41.0 °F 37.1 °F 28.4 °F 61% 30.41 in 10.0 mi WSW 5.8 mph - N/A   Clear
8:15 AM 44.6 °F 42.2 °F 28.4 °F 53% 30.41 in 10.0 mi West 4.6 mph - N/A   Clear
8:35 AM 44.6 °F 42.2 °F 26.6 °F 49% 30.41 in 10.0 mi West 4.6 mph - N/A   Clear
8:55 AM 44.6 °F 38.8 °F 28.4 °F 53% 30.41 in 10.0 mi NNE 11.5 mph - N/A   Clear
9:15 AM 44.6 °F 40.2 °F 26.6 °F 49% 30.41 in 10.0 mi NE 8.1 mph - N/A   Clear
9:35 AM 44.6 °F 40.2 °F 26.6 °F 49% 30.41 in 10.0 mi ENE 8.1 mph - N/A   Clear
9:55 AM 44.6 °F 41.4 °F 26.6 °F 49% 30.41 in 10.0 mi East 5.8 mph - N/A   Clear
10:15 AM 46.4 °F 44.3 °F 26.6 °F 46% 30.40 in 10.0 mi ENE 4.6 mph - N/A   Clear
10:35 AM 46.4 °F 44.3 °F 28.4 °F 50% 30.40 in 10.0 mi NE 4.6 mph - N/A   Clear
10:55 AM 48.2 °F - 26.6 °F 43% 30.39 in 10.0 mi NNW 4.6 mph - N/A   Clear
11:15 AM 48.2 °F - 26.6 °F 43% 30.38 in 10.0 mi Calm Calm - N/A   Clear
11:35 AM 50.0 °F - 28.4 °F 43% 30.38 in 10.0 mi Calm Calm - N/A   Clear
11:55 AM 51.8 °F - 28.4 °F 41% 30.37 in 10.0 mi NW 5.8 mph - N/A   Clear
12:15 PM 53.6 °F - 24.8 °F 33% 30.37 in 10.0 mi NW 9.2 mph - N/A   Clear
12:35 PM 53.6 °F - 23.0 °F 30% 30.37 in 10.0 mi West 5.8 mph - N/A   Clear
12:55 PM 55.4 °F - 23.0 °F 29% 30.36 in 10.0 mi West 8.1 mph - N/A   Clear
1:15 PM 55.4 °F - 24.8 °F 31% 30.35 in 10.0 mi SW 5.8 mph - N/A   Clear
1:35 PM 55.4 °F - 24.8 °F 31% 30.34 in 10.0 mi NNE 4.6 mph - N/A   Clear
1:55 PM 57.2 °F - 24.8 °F 29% 30.33 in 10.0 mi North 5.8 mph - N/A   Clear
2:15 PM 57.2 °F - 23.0 °F 27% 30.32 in 10.0 mi North 5.8 mph - N/A   Clear
2:35 PM 57.2 °F - 24.8 °F 29% 30.31 in 10.0 mi North 3.5 mph - N/A   Clear
2:55 PM 59.0 °F - 26.6 °F 29% 30.30 in 10.0 mi North 8.1 mph - N/A   Clear
3:15 PM 59.0 °F - 26.6 °F 29% 30.29 in 10.0 mi Calm Calm - N/A   Clear
3:35 PM 59.0 °F - 26.6 °F 29% 30.28 in 10.0 mi ENE 6.9 mph - N/A   Clear
3:55 PM 59.0 °F - 26.6 °F 29% 30.27 in 10.0 mi NE 4.6 mph - N/A   Clear
4:15 PM 59.0 °F - 28.4 °F 31% 30.26 in 10.0 mi NE 6.9 mph 16.1 mph N/A   Clear
4:35 PM 60.8 °F - 28.4 °F 29% 30.26 in 10.0 mi NE 5.8 mph - N/A   Clear
4:55 PM 59.0 °F - 26.6 °F 29% 30.25 in 10.0 mi NE 5.8 mph - N/A   Clear
5:15 PM 60.8 °F - 28.4 °F 29% 30.25 in 10.0 mi ENE 9.2 mph - N/A   Clear
5:35 PM 59.0 °F - 28.4 °F 31% 30.24 in 10.0 mi NE 9.2 mph - N/A   Clear
5:55 PM 59.0 °F - 28.4 °F 31% 30.24 in 10.0 mi East 13.8 mph - N/A   Clear
6:15 PM 59.0 °F - 28.4 °F 31% 30.24 in 10.0 mi East 11.5 mph 16.1 mph N/A   Clear
6:35 PM 59.0 °F - 28.4 °F 31% 30.23 in 10.0 mi East 10.4 mph - N/A   Clear
6:55 PM 59.0 °F - 28.4 °F 31% 30.23 in 10.0 mi East 9.2 mph - N/A   Clear
7:15 PM 57.2 °F - 28.4 °F 33% 30.22 in 10.0 mi East 10.4 mph - N/A   Clear
7:35 PM 57.2 °F - 30.2 °F 36% 30.21 in 10.0 mi East 11.5 mph - N/A   Clear
7:55 PM 55.4 °F - 28.4 °F 36% 30.20 in 10.0 mi East 10.4 mph - N/A   Clear
8:15 PM 53.6 °F - 28.4 °F 38% 30.20 in 10.0 mi East 8.1 mph - N/A   Clear
8:35 PM 50.0 °F - 30.2 °F 47% 30.19 in 10.0 mi East 8.1 mph - N/A   Clear
8:55 PM 48.2 °F - 30.2 °F 50% 30.19 in 10.0 mi ESE 6.9 mph - N/A   Clear
9:15 PM 46.4 °F 41.5 °F 28.4 °F 50% 30.18 in 10.0 mi ESE 10.4 mph - N/A   Clear
9:35 PM 46.4 °F 41.1 °F 28.4 °F 50% 30.18 in 10.0 mi East 11.5 mph - N/A   Clear
10:15 PM 46.4 °F 42.4 °F 30.2 °F 53% 30.18 in 10.0 mi SE 8.1 mph - N/A   Clear
10:35 PM 44.6 °F 40.7 °F 30.2 °F 57% 30.18 in 10.0 mi SE 6.9 mph - N/A   Clear
10:55 PM 44.6 °F 40.7 °F 30.2 °F 57% 30.18 in 10.0 mi SE 6.9 mph - N/A   Clear
11:15 PM 44.6 °F 42.2 °F 32.0 °F 61% 30.17 in 10.0 mi South 4.6 mph - N/A   Clear
11:35 PM 41.0 °F 39.0 °F 32.0 °F 70% 30.17 in 10.0 mi West 3.5 mph - N/A   Clear
11:55 PM 44.6 °F 42.2 °F 32.0 °F 61% 30.17 in 10.0 mi WSW 4.6 mph - N/A   Clear