History for Spearfish, SD

Tuesday, May 15, 2012 — View Current Conditions
Tuesday, May 15, 2012
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Daily Weekly Monthly Custom
  Actual Average (KEFC) Record (KEFC)
Temperature
Mean Temperature 56 °F -  
Max Temperature 71 °F 73 °F 88 °F (1978)
Min Temperature 41 °F 43 °F 27 °F (1983)
Degree Days
Heating Degree Days 9    
Growing Degree Days 6 (Base 50)    
Moisture
Dew Point 32 °F    
Average Humidity 37    
Maximum Humidity 70    
Minimum Humidity 23    
Precipitation
Precipitation 0.00 in - - ()
Sea Level Pressure
Sea Level Pressure 30.19 in    
Wind
Wind Speed 7 mph (ESE)    
Max Wind Speed 20 mph    
Max Gust Speed 26 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. 18, 2013 Rise Set
Actual Time 6:27 AM CDT 9:16 PM CDT
Civil Twilight 5:53 AM CDT 9:50 PM CDT
Nautical Twilight 5:10 AM CDT 10:33 PM CDT
Astronomical Twilight 4:20 AM CDT 11:24 PM CDT
Moon 3:41 AM CDT (5/15) 4:27 PM CDT (5/15)
Length Of Visible Light 15h 57m
Length of Day
14h 49m
Waning Crescent, 23% of the Moon is Illuminated
May 15
Waning Crescent
May 20
New
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter
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Hourly Observations
Time (CDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 57.2 °F - 32.0 °F 38% 30.18 in 10.0 mi WNW 4.6 mph - N/A   Clear
12:35 AM 57.2 °F - 32.0 °F 38% 30.19 in 10.0 mi SW 4.6 mph - N/A   Clear
12:55 AM 51.8 °F - 32.0 °F 47% 30.19 in 10.0 mi SW 4.6 mph - N/A   Clear
1:15 AM 50.0 °F - 33.8 °F 54% 30.20 in 10.0 mi SSW 4.6 mph - N/A   Clear
1:35 AM 50.0 °F - 32.0 °F 50% 30.21 in 10.0 mi SW 3.5 mph - N/A   Clear
1:55 AM 46.4 °F 44.3 °F 33.8 °F 62% 30.21 in 10.0 mi SW 4.6 mph - N/A   Clear
2:15 AM 48.2 °F - 32.0 °F 54% 30.21 in 10.0 mi SW 6.9 mph - N/A   Clear
2:35 AM 46.4 °F 42.4 °F 32.0 °F 57% 30.21 in 10.0 mi SSW 8.1 mph - N/A   Clear
2:55 AM 46.4 °F 41.5 °F 32.0 °F 57% 30.21 in 10.0 mi SSW 10.4 mph - N/A   Clear
3:15 AM 48.2 °F - 32.0 °F 54% 30.21 in 10.0 mi SSW 10.4 mph - N/A   Clear
3:35 AM 48.2 °F - 32.0 °F 54% 30.21 in 10.0 mi Calm Calm - N/A   Clear
3:55 AM 46.4 °F - 32.0 °F 57% 30.22 in 10.0 mi Calm Calm - N/A   Clear
4:15 AM 46.4 °F 45.2 °F 32.0 °F 57% 30.22 in 10.0 mi SW 3.5 mph - N/A   Clear
4:55 AM 46.4 °F 43.5 °F 32.0 °F 57% 30.23 in 10.0 mi SW 5.8 mph - N/A   Clear
5:15 AM 46.4 °F - 32.0 °F 57% 30.23 in 10.0 mi Calm Calm - N/A   Clear
5:35 AM 44.6 °F 40.7 °F 32.0 °F 61% 30.23 in 10.0 mi SSW 6.9 mph - N/A   Clear
5:55 AM 41.0 °F 37.1 °F 32.0 °F 70% 30.23 in 10.0 mi SSW 5.8 mph - N/A   Clear
6:15 AM 44.6 °F 42.2 °F 30.2 °F 57% 30.24 in 10.0 mi SSW 4.6 mph - N/A   Clear
6:35 AM 42.8 °F 40.1 °F 30.2 °F 61% 30.24 in 10.0 mi SW 4.6 mph - N/A   Clear
7:15 AM 44.6 °F 42.2 °F 32.0 °F 61% 30.25 in 10.0 mi SSW 4.6 mph - N/A   Clear
7:35 AM 44.6 °F - 33.8 °F 66% 30.26 in 10.0 mi Calm Calm - N/A   Clear
7:55 AM 48.2 °F - 33.8 °F 58% 30.26 in 10.0 mi Calm Calm - N/A   Clear
8:15 AM 50.0 °F - 33.8 °F 54% 30.26 in 10.0 mi Calm Calm - N/A   Clear
8:35 AM 51.8 °F - 32.0 °F 47% 30.26 in 10.0 mi Calm Calm - N/A   Clear
8:55 AM 55.4 °F - 37.4 °F 51% 30.25 in 10.0 mi ESE 3.5 mph - N/A   Clear
9:15 AM 57.2 °F - 37.4 °F 48% 30.25 in 10.0 mi East 4.6 mph - N/A   Clear
9:35 AM 59.0 °F - 28.4 °F 31% 30.26 in 10.0 mi East 5.8 mph - N/A   Clear
9:55 AM 60.8 °F - 32.0 °F 34% 30.26 in 10.0 mi East 3.5 mph - N/A   Clear
10:15 AM 62.6 °F - 30.2 °F 30% 30.26 in 10.0 mi NE 3.5 mph - N/A   Clear
10:35 AM 62.6 °F - 28.4 °F 27% 30.26 in 10.0 mi East 3.5 mph - N/A   Clear
10:55 AM 64.4 °F - 28.4 °F 26% 30.25 in 10.0 mi SE 3.5 mph - N/A   Clear
11:15 AM 64.4 °F - 28.4 °F 26% 30.25 in 10.0 mi ENE 4.6 mph - N/A   Clear
11:35 AM 64.4 °F - 28.4 °F 26% 30.25 in 10.0 mi NE 8.1 mph - N/A   Clear
11:55 AM 66.2 °F - 28.4 °F 24% 30.25 in 10.0 mi East 5.8 mph - N/A   Clear
12:15 PM 66.2 °F - 30.2 °F 26% 30.24 in 10.0 mi East 8.1 mph - N/A   Clear
12:35 PM 66.2 °F - 30.2 °F 26% 30.24 in 10.0 mi ESE 8.1 mph - N/A   Clear
12:55 PM 66.2 °F - 32.0 °F 28% 30.23 in 10.0 mi East 8.1 mph - N/A   Clear
1:15 PM 68.0 °F - 32.0 °F 26% 30.23 in 10.0 mi East 8.1 mph - N/A   Clear
1:35 PM 68.0 °F - 32.0 °F 26% 30.22 in 10.0 mi ESE 6.9 mph - N/A   Clear
1:55 PM 68.0 °F - 32.0 °F 26% 30.21 in 10.0 mi ENE 6.9 mph - N/A   Clear
2:15 PM 68.0 °F - 32.0 °F 26% 30.21 in 10.0 mi ENE 5.8 mph - N/A   Clear
2:35 PM 69.8 °F - 32.0 °F 25% 30.20 in 10.0 mi East 10.4 mph - N/A   Clear
2:55 PM 71.6 °F - 32.0 °F 23% 30.19 in 10.0 mi East 12.7 mph 19.6 mph N/A   Clear
3:15 PM 71.6 °F - 33.8 °F 25% 30.19 in 10.0 mi East 12.7 mph - N/A   Clear
3:35 PM 71.6 °F - 32.0 °F 23% 30.18 in 10.0 mi East 11.5 mph 18.4 mph N/A   Clear
3:55 PM 71.6 °F - 32.0 °F 23% 30.17 in 10.0 mi East 13.8 mph - N/A   Clear
4:15 PM 71.6 °F - 33.8 °F 25% 30.16 in 10.0 mi East 13.8 mph 20.7 mph N/A   Clear
4:35 PM 71.6 °F - 32.0 °F 23% 30.16 in 10.0 mi East 16.1 mph - N/A   Clear
4:55 PM 71.6 °F - 33.8 °F 25% 30.15 in 10.0 mi East 15.0 mph - N/A   Clear
5:15 PM 71.6 °F - 32.0 °F 23% 30.14 in 10.0 mi East 18.4 mph - N/A   Clear
5:35 PM 71.6 °F - 32.0 °F 23% 30.13 in 10.0 mi East 16.1 mph 23.0 mph N/A   Clear
5:55 PM 71.6 °F - 32.0 °F 23% 30.13 in 10.0 mi East 18.4 mph - N/A   Clear
6:15 PM 71.6 °F - 32.0 °F 23% 30.12 in 10.0 mi East 19.6 mph 24.2 mph N/A   Clear
6:35 PM 71.6 °F - 32.0 °F 23% 30.12 in 10.0 mi ESE 18.4 mph 24.2 mph N/A   Clear
6:55 PM 69.8 °F - 32.0 °F 25% 30.11 in 10.0 mi East 19.6 mph 25.3 mph N/A   Clear
7:15 PM 68.0 °F - 32.0 °F 26% 30.11 in 10.0 mi East 19.6 mph 26.5 mph N/A   Clear
7:35 PM 68.0 °F - 32.0 °F 26% 30.10 in 10.0 mi East 16.1 mph 23.0 mph N/A   Clear
7:55 PM 66.2 °F - 32.0 °F 28% 30.10 in 10.0 mi East 17.3 mph 25.3 mph N/A   Clear
8:15 PM 66.2 °F - 32.0 °F 28% 30.10 in 10.0 mi East 15.0 mph - N/A   Clear
8:35 PM 64.4 °F - 32.0 °F 30% 30.09 in 10.0 mi ESE 12.7 mph 18.4 mph N/A   Clear
9:15 PM 59.0 °F - 32.0 °F 36% 30.09 in 10.0 mi ESE 10.4 mph - N/A   Clear
9:35 PM 59.0 °F - 30.2 °F 34% 30.09 in 10.0 mi ESE 11.5 mph - N/A   Clear
9:55 PM 59.0 °F - 28.4 °F 31% 30.08 in 10.0 mi ESE 11.5 mph - N/A   Clear
10:15 PM 57.2 °F - 30.2 °F 36% 30.08 in 10.0 mi East 9.2 mph - N/A   Clear
10:35 PM 60.8 °F - 28.4 °F 29% 30.08 in 10.0 mi ESE 12.7 mph 18.4 mph N/A   Clear
10:55 PM 60.8 °F - 28.4 °F 29% 30.08 in 10.0 mi ESE 10.4 mph 20.7 mph N/A   Clear
11:15 PM 60.8 °F - 28.4 °F 29% 30.06 in 10.0 mi ESE 15.0 mph 19.6 mph N/A   Clear
11:35 PM 62.6 °F - 28.4 °F 27% 30.06 in 10.0 mi ESE 10.4 mph 17.3 mph N/A   Clear
11:55 PM 62.6 °F - 28.4 °F 27% 30.06 in 10.0 mi ESE 8.1 mph - N/A   Clear
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