Weather History for Watertown, SD

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 12 °F 13 °F  
Max Temperature 17 °F 22 °F 51 °F (1904)
Min Temperature 6 °F 4 °F -33 °F (1967)
Degree Days  
Heating Degree Days 53 52  
Month to date heating degree days 1482 1518  
Since 1 July heating degree days 3357 3459  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 788 515  
Moisture  
Dew Point 5 °F    
Average Humidity 81    
Maximum Humidity 88    
Minimum Humidity 73    
Precipitation  
Precipitation T in 0.02 in 0.35 in (2010)
Month to date precipitation 0.93 0.53  
Year to date precipitation 18.39 22.08  
Snow  
Snow T in - - ()
Month to date snowfall 10.2  
Since 1 July snowfall 10.7  
Snow Depth 7.00 in    
Sea Level Pressure  
Sea Level Pressure 30.22 in    
Wind  
Wind Speed 6 mph (ENE)    
Max Wind Speed 26 mph    
Max Gust Speed 30 mph    
Visibility 8 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 31, 2012 Rise Set
Actual Time 8:06 AM CST 4:57 PM CST
Civil Twilight 7:32 AM CST 5:31 PM CST
Nautical Twilight 6:55 AM CST 6:08 PM CST
Astronomical Twilight 6:20 AM CST 6:43 PM CST
Moon 8:39 PM CST (12/31) 9:40 AM CST (12/31)
Length of Visible Light 9h 58m
Length of Day
8h 50m
Waning Gibbous, 90% of the Moon is Illuminated
Dec 31
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:14 AM 17.6 °F 1.7 °F 12.2 °F 79% 30.05 in 10.0 mi NNW 18.4 mph 28.8 mph N/A   Overcast
12:53 AM 17.1 °F 2.5 °F 12.0 °F 81% 30.18 in 10.0 mi NNW 15.0 mph - N/A   Overcast
1:53 AM 17.1 °F 5.8 °F 12.0 °F 81% 30.16 in 10.0 mi NNW 9.2 mph - N/A   Overcast
2:53 AM 17.1 °F 7.6 °F 12.9 °F 84% 30.21 in 10.0 mi NW 6.9 mph - N/A   Overcast
3:53 AM 17.1 °F 4.3 °F 12.9 °F 84% 30.21 in 6.0 mi NNW 11.5 mph - N/A   Overcast
4:53 AM 16.0 °F 3.6 °F 10.9 °F 81% 30.22 in 9.0 mi NNW 10.4 mph - N/A   Overcast
5:53 AM 14.0 °F 1.2 °F 9.0 °F 80% 30.23 in 10.0 mi NW 10.4 mph - N/A   Overcast
6:53 AM 12.0 °F 5.9 °F 9.0 °F 88% 30.23 in 10.0 mi NNW 3.5 mph - N/A   Overcast
7:53 AM 12.0 °F 4.1 °F 8.1 °F 84% 30.25 in 10.0 mi NE 4.6 mph - N/A   Overcast
8:53 AM 10.0 °F 3.6 °F 6.1 °F 84% 30.28 in 4.0 mi NE 3.5 mph - N/A   Overcast
9:36 AM 10.4 °F - 6.8 °F 85% 30.18 in 2.5 mi Calm Calm - N/A   Overcast
9:50 AM 10.4 °F 4.0 °F 6.8 °F 85% 30.19 in 3.0 mi East 3.5 mph - N/A   Overcast
9:53 AM 10.0 °F 3.6 °F 6.1 °F 84% 30.29 in 3.0 mi East 3.5 mph - N/A   Overcast
10:01 AM 10.4 °F 4.0 °F 6.8 °F 85% 30.18 in 2.0 mi ENE 3.5 mph - 0.00 in Snow Light Snow
10:20 AM 10.4 °F 0.8 °F 6.8 °F 85% 30.18 in 3.0 mi NE 5.8 mph - 0.00 in   Overcast
10:53 AM 10.0 °F 0.4 °F 5.0 °F 80% 30.28 in 6.0 mi NE 5.8 mph - 0.00 in   Haze
11:20 AM 10.4 °F -1.5 °F 3.2 °F 73% 30.16 in 10.0 mi NE 8.1 mph - N/A   Scattered Clouds
11:53 AM 10.0 °F -2.9 °F 3.9 °F 76% 30.25 in 10.0 mi NNE 9.2 mph - N/A   Clear
12:53 PM 9.0 °F -3.2 °F 3.0 °F 77% 30.25 in 10.0 mi NNE 8.1 mph - N/A   Clear
1:53 PM 10.0 °F -0.9 °F 3.0 °F 73% 30.24 in 10.0 mi NNE 6.9 mph - N/A   Clear
2:53 PM 8.1 °F -0.5 °F 1.9 °F 76% 30.25 in 10.0 mi East 4.6 mph - N/A   Clear
3:48 PM 6.8 °F -4.8 °F 1.4 °F 79% 30.16 in 10.0 mi SSE 6.9 mph - N/A   Mostly Cloudy
3:53 PM 6.1 °F -2.8 °F 1.0 °F 80% 30.28 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
4:20 PM 6.8 °F -2.0 °F 1.4 °F 79% 30.17 in 10.0 mi South 4.6 mph - N/A   Overcast
4:30 PM 6.8 °F -4.8 °F 1.4 °F 79% 30.17 in 10.0 mi SSE 6.9 mph - N/A   Overcast
4:53 PM 6.1 °F -4.3 °F 1.9 °F 83% 30.29 in 10.0 mi SSE 5.8 mph - N/A   Overcast
5:18 PM 6.8 °F -4.8 °F 1.4 °F 79% 30.17 in 8.0 mi SSE 6.9 mph - N/A   Overcast
5:53 PM 6.1 °F -2.8 °F 1.9 °F 83% 30.28 in 10.0 mi SE 4.6 mph - N/A   Overcast
6:51 PM 6.8 °F - 1.4 °F 79% 30.16 in 10.0 mi Calm Calm - N/A   Overcast
6:53 PM 6.1 °F - 1.9 °F 83% 30.28 in 10.0 mi Calm Calm - N/A   Overcast
7:53 PM 6.1 °F - 1.9 °F 83% 30.28 in 10.0 mi Calm Calm - N/A   Overcast
8:53 PM 7.0 °F -1.7 °F 3.0 °F 84% 30.27 in 10.0 mi SSE 4.6 mph - N/A   Overcast
9:30 PM 6.8 °F -3.5 °F 1.4 °F 79% 30.15 in 10.0 mi SSE 5.8 mph - N/A   Overcast
9:53 PM 7.0 °F -4.5 °F 3.0 °F 84% 30.27 in 10.0 mi South 6.9 mph - N/A   Overcast
10:53 PM 7.0 °F -3.3 °F 3.0 °F 84% 30.28 in 10.0 mi SSE 5.8 mph - N/A   Overcast
11:53 PM 7.0 °F -3.3 °F 5.0 °F 92% 30.29 in 9.0 mi South 5.8 mph - N/A   Overcast