Weather History for Watertown, SD

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Wednesday, February 20, 2013

  Actual Average Record
Temperature  
Mean Temperature -4 °F 19 °F  
Max Temperature 10 °F 29 °F 65 °F (1930)
Min Temperature -19 °F 10 °F -28 °F (2008)
Degree Days  
Heating Degree Days 69 46  
Month to date heating degree days 996 977  
Since 1 July heating degree days 5966 6059  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point -7 °F    
Average Humidity 80    
Maximum Humidity 87    
Minimum Humidity 72    
Precipitation  
Precipitation 0.00 in 0.03 in 0.90 in (2011)
Month to date precipitation 0.91 0.36  
Year to date precipitation 1.19 0.88  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 11.0  
Since 1 July snowfall 23.6  
Snow Depth 15.00 in    
Sea Level Pressure  
Sea Level Pressure 30.44 in    
Wind  
Wind Speed 7 mph (ESE)    
Max Wind Speed 14 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 20, 2013 Rise Set
Actual Time 7:21 AM CST 6:04 PM CST
Civil Twilight 6:51 AM CST 6:34 PM CST
Nautical Twilight 6:17 AM CST 7:08 PM CST
Astronomical Twilight 5:43 AM CST 7:42 PM CST
Moon 1:18 PM CST (2/20) 3:50 AM CST (2/20)
Length of Visible Light 11h 42m
Length of Day
10h 43m
Waxing Gibbous, 76% of the Moon is Illuminated
Feb 20
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM -15.0 °F -29.3 °F -18.9 °F 82% 30.52 in 10.0 mi NE 5.8 mph - N/A   Clear
1:53 AM -11.9 °F -21.5 °F -17.0 °F 78% 30.52 in 10.0 mi NNE 3.5 mph - N/A   Clear
2:53 AM -11.9 °F - -17.0 °F 78% 30.51 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM -13.0 °F - -18.0 °F 78% 30.50 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM -9.9 °F -21.5 °F -15.0 °F 78% 30.49 in 10.0 mi East 4.6 mph - N/A   Clear
5:53 AM -11.0 °F -20.4 °F -15.0 °F 83% 30.49 in 10.0 mi East 3.5 mph - N/A   Clear
7:53 AM -7.1 °F -23.9 °F -11.0 °F 83% 30.47 in 10.0 mi East 9.2 mph - N/A   Clear
8:53 AM -5.1 °F -17.6 °F -9.0 °F 83% 30.48 in 10.0 mi SE 5.8 mph - N/A   Clear
9:53 AM -2.0 °F -16.6 °F -8.0 °F 76% 30.48 in 10.0 mi SE 8.1 mph - N/A   Clear
11:53 AM 1.9 °F -12.9 °F -5.1 °F 72% 30.47 in 10.0 mi SE 9.2 mph - N/A   Partly Cloudy
12:53 PM 5.0 °F -9.1 °F -2.0 °F 73% 30.45 in 10.0 mi SSE 9.2 mph - N/A   Clear
1:53 PM 7.0 °F -7.5 °F -0.0 °F 73% 30.44 in 10.0 mi SE 10.4 mph - N/A   Overcast
2:53 PM 9.0 °F -5.1 °F 1.0 °F 70% 30.41 in 10.0 mi SE 10.4 mph - N/A   Overcast
3:53 PM 9.0 °F -5.1 °F 1.0 °F 70% 30.38 in 10.0 mi SE 10.4 mph - N/A   Overcast
4:53 PM 9.0 °F -5.9 °F 1.0 °F 70% 30.38 in 10.0 mi ESE 11.5 mph - N/A   Overcast
5:53 PM 6.1 °F -6.8 °F -0.9 °F 73% 30.38 in 10.0 mi East 8.1 mph - N/A   Overcast
7:53 PM 3.9 °F -9.4 °F -0.9 °F 80% 30.38 in 10.0 mi ESE 8.1 mph - N/A   Overcast
8:53 PM 3.0 °F -8.0 °F -2.0 °F 80% 30.38 in 10.0 mi SE 5.8 mph - N/A   Mostly Cloudy
9:53 PM 3.0 °F -8.0 °F -2.0 °F 80% 30.38 in 10.0 mi SE 5.8 mph - N/A   Overcast
10:53 PM 3.0 °F -12.5 °F -2.0 °F 80% 30.37 in 10.0 mi ESE 10.4 mph - N/A   Scattered Clouds
11:53 PM 3.9 °F -9.4 °F -2.0 °F 76% 30.37 in 10.0 mi SE 8.1 mph 16.1 mph N/A   Mostly Cloudy