History for Spearfish, SD

Saturday, August 18, 2012 — View Current Conditions
Saturday, August 18, 2012
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Daily Weekly Monthly Custom
  Actual Average (KEFC) Record (KEFC)
Temperature
Mean Temperature 62 °F -  
Max Temperature 75 °F 87 °F 102 °F (1959)
Min Temperature 50 °F 56 °F 42 °F (1985)
Degree Days
Heating Degree Days 2    
Growing Degree Days 12 (Base 50)    
Moisture
Dew Point 36 °F    
Average Humidity 38    
Maximum Humidity 58    
Minimum Humidity 22    
Precipitation
Precipitation 0.00 in - - ()
Sea Level Pressure
Sea Level Pressure 30.16 in    
Wind
Wind Speed 7 mph (NW)    
Max Wind Speed 16 mph    
Max Gust Speed 23 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. 19, 2013 Rise Set
Actual Time 7:02 AM CDT 8:54 PM CDT
Civil Twilight 6:30 AM CDT 9:25 PM CDT
Nautical Twilight 5:52 AM CDT 10:03 PM CDT
Astronomical Twilight 5:10 AM CDT 10:45 PM CDT
Moon 8:18 AM CDT (8/18) 9:05 PM CDT (8/18)
Length Of Visible Light 14h 55m
Length of Day
13h 52m
New Moon, 1% of the Moon is Illuminated
Aug 18
New Moon
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter
Sep 15
New
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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 55.4 °F 35.6 °F 47% 30.13 in 10.0 mi SW 6.9 mph - N/A   Clear
12:35 AM 55.4 °F 35.6 °F 47% 30.13 in 10.0 mi SSW 5.8 mph - N/A   Clear
12:55 AM 55.4 °F 35.6 °F 47% 30.13 in 10.0 mi SW 8.1 mph - N/A   Clear
1:15 AM 55.4 °F 33.8 °F 44% 30.13 in 10.0 mi West 3.5 mph - N/A   Clear
1:35 AM 55.4 °F 33.8 °F 44% 30.13 in 10.0 mi WSW 4.6 mph - N/A   Clear
1:55 AM 55.4 °F 35.6 °F 47% 30.13 in 10.0 mi Calm Calm - N/A   Clear
2:15 AM 53.6 °F 37.4 °F 54% 30.14 in 10.0 mi Calm Calm - N/A   Clear
2:35 AM 53.6 °F 33.8 °F 47% 30.13 in 10.0 mi WNW 3.5 mph - N/A   Clear
2:55 AM 53.6 °F 33.8 °F 47% 30.13 in 10.0 mi SW 4.6 mph - N/A   Clear
3:15 AM 53.6 °F 35.6 °F 51% 30.13 in 10.0 mi West 4.6 mph - N/A   Clear
3:35 AM 53.6 °F 33.8 °F 47% 30.13 in 10.0 mi West 3.5 mph - N/A   Clear
3:55 AM 51.8 °F 35.6 °F 54% 30.13 in 10.0 mi West 8.1 mph - N/A   Clear
4:15 AM 50.0 °F 35.6 °F 58% 30.13 in 10.0 mi West 6.9 mph - N/A   Clear
4:55 AM 51.8 °F 32.0 °F 47% 30.13 in 10.0 mi WSW 8.1 mph - N/A   Clear
5:15 AM 53.6 °F 33.8 °F 47% 30.12 in 10.0 mi WSW 9.2 mph - N/A   Clear
5:35 AM 51.8 °F 33.8 °F 50% 30.13 in 10.0 mi West 6.9 mph - N/A   Clear
5:55 AM 51.8 °F 33.8 °F 50% 30.12 in 10.0 mi West 5.8 mph - N/A   Clear
6:15 AM 51.8 °F 33.8 °F 50% 30.13 in 10.0 mi West 6.9 mph - N/A   Clear
6:35 AM 53.6 °F 33.8 °F 47% 30.13 in 10.0 mi West 8.1 mph - N/A   Clear
6:55 AM 53.6 °F 33.8 °F 47% 30.14 in 10.0 mi West 6.9 mph - N/A   Clear
7:15 AM 53.6 °F 33.8 °F 47% 30.14 in 10.0 mi West 8.1 mph - N/A   Clear
7:35 AM 53.6 °F 35.6 °F 51% 30.15 in 10.0 mi West 9.2 mph - N/A   Clear
7:55 AM 55.4 °F 35.6 °F 47% 30.16 in 10.0 mi West 9.2 mph - N/A   Clear
8:15 AM 57.2 °F 35.6 °F 44% 30.16 in 10.0 mi West 8.1 mph - N/A   Clear
8:35 AM 59.0 °F 37.4 °F 45% 30.17 in 10.0 mi West 9.2 mph - N/A   Clear
8:55 AM 62.6 °F 35.6 °F 37% 30.17 in 10.0 mi West 8.1 mph - N/A   Clear
9:15 AM 64.4 °F 35.6 °F 34% 30.18 in 10.0 mi WNW 11.5 mph - N/A   Clear
9:35 AM 64.4 °F 35.6 °F 34% 30.19 in 10.0 mi WNW 10.4 mph - N/A   Clear
10:15 AM 66.2 °F 37.4 °F 35% 30.20 in 10.0 mi WNW 5.8 mph - N/A   Clear
10:35 AM 66.2 °F 35.6 °F 32% 30.20 in 10.0 mi NNE 9.2 mph - N/A   Clear
10:55 AM 66.2 °F 35.6 °F 32% 30.20 in 10.0 mi NNE 12.7 mph - N/A   Clear
11:15 AM 68.0 °F 37.4 °F 33% 30.20 in 10.0 mi NE 10.4 mph - N/A   Clear
11:35 AM 68.0 °F 35.6 °F 30% 30.21 in 10.0 mi NNE 9.2 mph - N/A   Clear
11:55 AM 69.8 °F 37.4 °F 31% 30.20 in 10.0 mi NE 6.9 mph - N/A   Clear
12:15 PM 69.8 °F 37.4 °F 31% 30.21 in 10.0 mi NNE 8.1 mph 18.4 mph N/A   Clear
12:35 PM 71.6 °F 37.4 °F 29% 30.20 in 10.0 mi NNW 10.4 mph - N/A   Clear
12:55 PM 71.6 °F 37.4 °F 29% 30.20 in 10.0 mi NNE 11.5 mph 19.6 mph N/A   Clear
1:15 PM 71.6 °F 35.6 °F 27% 30.19 in 10.0 mi North 11.5 mph 19.6 mph N/A   Clear
1:35 PM 71.6 °F 35.6 °F 27% 30.19 in 10.0 mi NNE 10.4 mph - N/A   Clear
1:55 PM 71.6 °F 35.6 °F 27% 30.19 in 10.0 mi North 9.2 mph - N/A   Clear
2:15 PM 71.6 °F 35.6 °F 27% 30.19 in 10.0 mi NNE 16.1 mph 19.6 mph N/A   Partly Cloudy
2:35 PM 73.4 °F 35.6 °F 25% 30.18 in 10.0 mi NE 10.4 mph 19.6 mph N/A   Clear
2:55 PM 71.6 °F 35.6 °F 27% 30.18 in 10.0 mi North 5.8 mph - N/A   Clear
3:15 PM 73.4 °F 35.6 °F 25% 30.17 in 10.0 mi WNW 9.2 mph - N/A   Clear
3:35 PM 73.4 °F 35.6 °F 25% 30.17 in 10.0 mi NNW 5.8 mph - N/A   Clear
3:55 PM 75.2 °F 35.6 °F 24% 30.16 in 10.0 mi NW 10.4 mph 23.0 mph N/A   Partly Cloudy
4:15 PM 73.4 °F 32.0 °F 22% 30.16 in 10.0 mi North 8.1 mph - N/A   Partly Cloudy
4:35 PM 75.2 °F 33.8 °F 22% 30.16 in 10.0 mi NNE 16.1 mph - N/A   Scattered Clouds
4:55 PM 75.2 °F 33.8 °F 22% 30.16 in 10.0 mi NNE 9.2 mph - N/A   Clear
5:15 PM 73.4 °F 33.8 °F 23% 30.16 in 10.0 mi North 8.1 mph - N/A   Clear
5:35 PM 73.4 °F 33.8 °F 23% 30.16 in 10.0 mi NNW 11.5 mph - N/A   Clear
5:55 PM 73.4 °F 35.6 °F 25% 30.16 in 10.0 mi NE 9.2 mph - N/A   Partly Cloudy
6:15 PM 71.6 °F 35.6 °F 27% 30.16 in 10.0 mi North 6.9 mph - N/A   Scattered Clouds
6:35 PM 73.4 °F 35.6 °F 25% 30.16 in 10.0 mi North 6.9 mph - N/A   Partly Cloudy
6:55 PM 73.4 °F 35.6 °F 25% 30.16 in 10.0 mi NE 9.2 mph - N/A   Clear
7:15 PM 71.6 °F 35.6 °F 27% 30.16 in 10.0 mi North 8.1 mph - N/A   Clear
7:35 PM 71.6 °F 35.6 °F 27% 30.16 in 10.0 mi NNE 5.8 mph - N/A   Clear
7:55 PM 71.6 °F 37.4 °F 29% 30.16 in 10.0 mi NE 8.1 mph - N/A   Partly Cloudy
8:15 PM 68.0 °F 37.4 °F 33% 30.16 in 10.0 mi NE 5.8 mph - N/A   Clear
8:35 PM 66.2 °F 39.2 °F 37% 30.16 in 10.0 mi NNE 3.5 mph - N/A   Clear
8:55 PM 64.4 °F 37.4 °F 37% 30.16 in 10.0 mi Calm Calm - N/A   Clear
9:15 PM 59.0 °F 41.0 °F 51% 30.17 in 10.0 mi South 5.8 mph - N/A   Clear
9:35 PM 59.0 °F 41.0 °F 51% 30.17 in 5.0 mi South 6.9 mph - N/A   Haze
9:55 PM 57.2 °F 39.2 °F 51% 30.18 in 7.0 mi South 6.9 mph - N/A   Clear
10:15 PM 57.2 °F 39.2 °F 51% 30.19 in 6.0 mi South 8.1 mph - N/A   Haze
11:15 PM 55.4 °F 39.2 °F 54% 30.20 in 10.0 mi Calm Calm - N/A   Clear
11:35 PM 55.4 °F 39.2 °F 54% 30.20 in 10.0 mi SE 3.5 mph - N/A   Clear
11:55 PM 53.6 °F 39.2 °F 58% 30.20 in 10.0 mi SSW 5.8 mph - N/A   Clear
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