Weather History for Mason City, IA

Monday, January 21, 2013 — View Current Weather Conditions
Monday, January 21, 2013
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature -2 °F 16 °F  
Max Temperature 5 °F 25 °F 48 °F (1921)
Min Temperature -10 °F 7 °F -29 °F (1970)
Degree Days
Heating Degree Days 67 49  
Month to date heating degree days 963 1029  
Since 1 July heating degree days 3834 4118  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture
Dew Point -11 °F    
Average Humidity 65    
Maximum Humidity 75    
Minimum Humidity 54    
Precipitation
Precipitation T in 0.03 in 0.57 in (1917)
Month to date precipitation 0.11 0.54  
Year to date precipitation 0.11 0.54  
Snow
Snow T in 0.40 in 5.70 in (1917)
Month to date snowfall 0.1 7.1  
Since 1 July snowfall 10.7 21.1  
Snow Depth T in    
Sea Level Pressure
Sea Level Pressure 30.35 in    
Wind
Wind Speed 16 mph (NW)    
Max Wind Speed 25 mph    
Max Gust Speed 32 mph    
Visibility 9 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
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Astronomy
Jan. 21, 2013 Rise Set
Actual Time 7:38 AM CST 5:11 PM CST
Civil Twilight 7:07 AM CST 5:42 PM CST
Nautical Twilight 6:32 AM CST 6:17 PM CST
Astronomical Twilight 5:58 AM CST 6:51 PM CST
Moon 12:51 PM CST (1/21) 3:07 AM CST (1/21)
Length Of Visible Light 10h 35m
Length of Day
9h 33m
Waxing Gibbous, 75% of the Moon is Illuminated
Jan 21
Waxing Gibbous
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New
Feb 17
First Quarter
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Hourly Weather History & Observations
Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:12 AM 3.2 °F -15.9 °F -2.2 °F 78% 30.27 in 3.0 mi NW 16.1 mph - 0.00 in Snow Light Snow
12:33 AM 1.4 °F -19.9 °F -5.8 °F 72% 30.27 in 10.0 mi NW 19.6 mph 28.8 mph 0.00 in   Scattered Clouds
12:53 AM 1.9 °F -20.7 °F -5.1 °F 72% 30.34 in 4.0 mi NW 23.0 mph 28.8 mph 0.00 in Snow Light Snow
12:55 AM 1.4 °F -21.0 °F -5.8 °F 72% 30.27 in 2.5 mi NNW 21.9 mph 28.8 mph 0.00 in Snow Light Snow
1:11 AM 1.4 °F -20.5 °F -7.6 °F 66% 30.27 in 7.0 mi NW 20.7 mph 27.6 mph 0.00 in   Mostly Cloudy
1:27 AM 1.4 °F -19.9 °F -7.6 °F 66% 30.28 in 8.0 mi NW 19.6 mph - 0.00 in   Scattered Clouds
1:37 AM -0.4 °F -23.3 °F -7.6 °F 72% 30.29 in 4.0 mi NW 21.9 mph - 0.00 in Snow Light Snow
1:53 AM -0.9 °F -24.1 °F -8.0 °F 72% 30.37 in 7.0 mi NNW 21.9 mph - 0.00 in   Overcast
2:19 AM -2.2 °F -26.2 °F -11.2 °F 66% 30.29 in 10.0 mi NW 23.0 mph 29.9 mph N/A   Scattered Clouds
2:53 AM -2.9 °F -24.4 °F -11.9 °F 65% 30.38 in 10.0 mi NW 17.3 mph - N/A   Clear
3:44 AM -2.2 °F -23.5 °F -11.2 °F 66% 30.28 in 9.0 mi WNW 17.3 mph 23.0 mph N/A   Mostly Cloudy
3:53 AM -2.9 °F -24.4 °F -9.9 °F 72% 30.36 in 6.0 mi NW 17.3 mph - N/A   Haze
4:37 AM -5.8 °F -29.4 °F -13.0 °F 71% 30.29 in 7.0 mi NW 19.6 mph 32.2 mph 0.00 in   Mostly Cloudy
4:46 AM -5.8 °F -31.5 °F -14.8 °F 65% 30.30 in 10.0 mi NW 24.2 mph 31.1 mph 0.00 in   Scattered Clouds
4:53 AM -5.1 °F -29.5 °F -14.1 °F 65% 30.38 in 10.0 mi NW 21.9 mph 28.8 mph 0.00 in   Partly Cloudy
5:53 AM -8.0 °F -32.8 °F -17.0 °F 65% 30.40 in 10.0 mi WNW 20.7 mph - N/A   Clear
6:53 AM -9.0 °F -29.3 °F -18.0 °F 65% 30.40 in 10.0 mi WNW 12.7 mph 23.0 mph N/A   Clear
7:53 AM -9.0 °F -34.2 °F -18.0 °F 65% 30.40 in 10.0 mi NW 20.7 mph 27.6 mph N/A   Clear
8:53 AM -8.0 °F -31.6 °F -17.0 °F 65% 30.41 in 10.0 mi WNW 18.4 mph - N/A   Clear
9:53 AM -5.1 °F -27.2 °F -15.0 °F 62% 30.43 in 10.0 mi WNW 17.3 mph - N/A   Clear
10:53 AM -2.0 °F -26.0 °F -13.0 °F 60% 30.44 in 10.0 mi WNW 23.0 mph 28.8 mph N/A   Clear
11:53 AM -0.0 °F -21.8 °F -11.0 °F 60% 30.40 in 10.0 mi NW 19.6 mph - N/A   Clear
12:53 PM 1.9 °F -20.2 °F -9.9 °F 58% 30.38 in 10.0 mi WNW 21.9 mph 26.5 mph N/A   Scattered Clouds
1:16 PM 3.2 °F -16.5 °F -9.4 °F 56% 30.29 in 10.0 mi WNW 17.3 mph - N/A   Mostly Cloudy
1:23 PM 3.2 °F -17.1 °F -9.4 °F 56% 30.28 in 10.0 mi NW 18.4 mph - N/A   Scattered Clouds
1:38 PM 3.2 °F -18.1 °F -9.4 °F 56% 30.28 in 10.0 mi WNW 20.7 mph 27.6 mph N/A   Mostly Cloudy
1:51 PM 3.2 °F -17.6 °F -9.4 °F 56% 30.27 in 10.0 mi WNW 19.6 mph - N/A   Scattered Clouds
1:53 PM 3.0 °F -16.7 °F -9.9 °F 55% 30.36 in 10.0 mi WNW 17.3 mph - N/A   Scattered Clouds
2:53 PM 3.9 °F -17.6 °F -9.0 °F 55% 30.35 in 10.0 mi WNW 21.9 mph - N/A   Clear
3:53 PM 5.0 °F -14.7 °F -9.0 °F 52% 30.36 in 10.0 mi WNW 18.4 mph 25.3 mph N/A   Clear
4:53 PM 3.0 °F -16.7 °F -9.0 °F 57% 30.35 in 10.0 mi WNW 17.3 mph - N/A   Clear
5:53 PM 1.0 °F -15.8 °F -9.0 °F 63% 30.37 in 10.0 mi NW 11.5 mph - N/A   Clear
6:53 PM -0.0 °F -15.3 °F -9.0 °F 66% 30.38 in 10.0 mi WNW 9.2 mph - N/A   Clear
7:53 PM -0.9 °F -19.1 °F -9.9 °F 66% 30.38 in 10.0 mi WNW 12.7 mph - N/A   Clear
8:53 PM -2.0 °F -16.6 °F -9.9 °F 69% 30.39 in 10.0 mi NW 8.1 mph - N/A   Clear
9:53 PM -2.9 °F -16.5 °F -11.0 °F 68% 30.40 in 10.0 mi WNW 6.9 mph - N/A   Clear
10:53 PM -6.0 °F -20.1 °F -13.0 °F 72% 30.40 in 10.0 mi West 6.9 mph - N/A   Clear
11:53 PM -4.0 °F -17.8 °F -11.0 °F 72% 30.39 in 10.0 mi West 6.9 mph - N/A   Clear
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