Weather History for Watertown, SD

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Thursday, February 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 10 °F 20 °F  
Max Temperature 17 °F 29 °F 58 °F (2000)
Min Temperature 2 °F 10 °F -25 °F (1936)
Degree Days  
Heating Degree Days 55 45  
Month to date heating degree days 1051 1022  
Since 1 July heating degree days 6021 6104  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 4 °F    
Average Humidity 77    
Maximum Humidity 87    
Minimum Humidity 67    
Precipitation  
Precipitation 0.00 in 0.02 in 0.50 in (1957)
Month to date precipitation 0.91 0.38  
Year to date precipitation 1.19 0.90  
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 30.27 in    
Wind  
Wind Speed 9 mph (East)    
Max Wind Speed 16 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 21, 2013 Rise Set
Actual Time 7:19 AM CST 6:05 PM CST
Civil Twilight 6:49 AM CST 6:35 PM CST
Nautical Twilight 6:15 AM CST 7:09 PM CST
Astronomical Twilight 5:41 AM CST 7:43 PM CST
Moon 2:14 PM CST (2/21) 4:31 AM CST (2/21)
Length of Visible Light 11h 45m
Length of Day
10h 46m
Waxing Gibbous, 84% of the Moon is Illuminated
Feb 21
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 7.0 °F -5.7 °F -0.0 °F 73% 30.37 in 10.0 mi SE 8.1 mph - N/A   Overcast
1:53 AM 6.1 °F -6.8 °F 1.0 °F 80% 30.38 in 10.0 mi SSE 8.1 mph - N/A   Scattered Clouds
2:53 AM 8.1 °F -5.3 °F -0.0 °F 70% 30.36 in 10.0 mi SE 9.2 mph - N/A   Partly Cloudy
3:53 AM 9.0 °F -0.9 °F -0.0 °F 67% 30.32 in 10.0 mi ESE 5.8 mph - N/A   Clear
4:53 AM 7.0 °F -5.7 °F -0.0 °F 73% 30.30 in 10.0 mi East 8.1 mph - N/A   Clear
5:53 AM 3.0 °F -9.3 °F -0.9 °F 84% 30.32 in 10.0 mi ESE 6.9 mph - N/A   Clear
6:53 AM 1.9 °F -12.9 °F -2.0 °F 83% 30.38 in 10.0 mi ESE 9.2 mph - N/A   Overcast
7:53 AM 5.0 °F -6.9 °F 1.0 °F 84% 30.34 in 10.0 mi East 6.9 mph - N/A   Partly Cloudy
8:53 AM 8.1 °F -5.3 °F 3.0 °F 80% 30.32 in 10.0 mi ESE 9.2 mph - N/A   Scattered Clouds
9:53 AM 10.0 °F -4.5 °F 3.0 °F 73% 30.34 in 10.0 mi East 11.5 mph - N/A   Clear
10:53 AM 10.9 °F -0.8 °F 3.9 °F 73% 30.35 in 10.0 mi SE 8.1 mph - N/A   Scattered Clouds
12:53 PM 16.0 °F 4.4 °F 7.0 °F 68% 30.29 in 10.0 mi ESE 9.2 mph - N/A   Overcast
1:53 PM 16.0 °F 3.6 °F 8.1 °F 71% 30.26 in 10.0 mi East 10.4 mph - N/A   Clear
2:53 PM 12.9 °F -0.2 °F 6.1 °F 74% 30.24 in 10.0 mi ENE 10.4 mph - N/A   Mostly Cloudy
3:53 PM 10.9 °F -5.4 °F 5.0 °F 77% 30.24 in 10.0 mi East 15.0 mph - N/A   Clear
4:53 PM 10.9 °F -4.1 °F 7.0 °F 84% 30.24 in 10.0 mi ENE 12.7 mph - N/A   Overcast
5:53 PM 12.0 °F -1.3 °F 7.0 °F 80% 30.23 in 10.0 mi ENE 10.4 mph - N/A   Overcast
6:53 PM 12.0 °F -3.4 °F 8.1 °F 84% 30.21 in 10.0 mi ENE 13.8 mph - N/A   Overcast
7:53 PM 12.9 °F -0.9 °F 7.0 °F 77% 30.20 in 10.0 mi ENE 11.5 mph - N/A   Overcast
8:53 PM 12.9 °F 0.7 °F 7.0 °F 77% 30.19 in 10.0 mi ENE 9.2 mph - N/A   Overcast
9:53 PM 12.9 °F -0.2 °F 7.0 °F 77% 30.17 in 10.0 mi NE 10.4 mph - N/A   Overcast
10:53 PM 14.0 °F 2.9 °F 7.0 °F 74% 30.15 in 10.0 mi East 8.1 mph - N/A   Overcast
11:53 PM 14.0 °F 3.9 °F 8.1 °F 77% 30.12 in 9.0 mi NNE 6.9 mph - N/A   Overcast