Weather History for Mason City, IA

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Monday, January 6, 2014

  Actual Average Record
Temperature  
Mean Temperature -15 °F 16 °F  
Max Temperature -10 °F 25 °F 50 °F (1933)
Min Temperature -21 °F 7 °F -29 °F (1988)
Degree Days  
Heating Degree Days 80 49  
Month to date heating degree days 401 294  
Since 1 July heating degree days 3645 3383  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point -23 °F    
Average Humidity 70    
Maximum Humidity 77    
Minimum Humidity 62    
Precipitation  
Precipitation T in 0.03 in 0.90 in (1915)
Month to date precipitation T 0.16  
Year to date precipitation T 0.16  
Snow  
Snow T in 0.30 in 16.00 in (1918)
Month to date snowfall T 1.8  
Since 1 July snowfall 16.4 15.8  
Snow Depth 8.00 in    
Sea Level Pressure  
Sea Level Pressure 30.38 in    
Wind  
Wind Speed 18 mph (WNW)    
Max Wind Speed 30 mph    
Max Gust Speed 36 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 06, 2014 Rise Set
Actual Time 7:45 AM CST 4:53 PM CST
Civil Twilight 7:12 AM CST 5:25 PM CST
Nautical Twilight 6:37 AM CST 6:01 PM CST
Astronomical Twilight 6:02 AM CST 6:35 PM CST
Moon 10:50 AM CST (1/6) 11:39 PM CST (1/6)
Length of Visible Light 10h 12m
Length of Day
9h 08m
Waxing Crescent, 35% of the Moon is Illuminated
Jan 6
Waxing Crescent
Jan 7
First Quarter
Jan 15
Full
Jan 23
Last Quarter
Jan 30
New

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 -17.0 °F -45.8 °F -25.1 °F 67% 30.39 in 7.0 mi NW 23.0 mph - N/A   Overcast
1:53 AM -18.0 °F -47.8 °F -25.1 °F 70% 30.39 in 4.0 mi NW 24.2 mph 32.2 mph 0.00 in   Haze
2:51 AM -18.4 °F -48.8 °F -27.4 °F 63% 30.30 in 10.0 mi NW 25.3 mph 31.1 mph N/A   Scattered Clouds
2:53 AM -18.9 °F -47.2 °F -27.0 °F 66% 30.40 in 10.0 mi NW 20.7 mph 31.1 mph N/A   Partly Cloudy
3:53 AM -20.0 °F -46.6 °F -27.0 °F 70% 30.40 in 10.0 mi WNW 17.3 mph - N/A   Clear
4:53 AM -20.0 °F -49.3 °F -27.9 °F 67% 30.40 in 10.0 mi NW 21.9 mph 27.6 mph N/A   Clear
5:53 AM -20.0 °F -48.6 °F -27.9 °F 67% 30.41 in 10.0 mi WNW 20.7 mph 28.8 mph N/A   Clear
6:53 AM -20.9 °F -49.2 °F -27.9 °F 70% 30.41 in 10.0 mi NW 19.6 mph 26.5 mph N/A   Clear
7:53 AM -20.9 °F -50.5 °F -27.9 °F 70% 30.40 in 10.0 mi WNW 21.9 mph 28.8 mph N/A   Clear
8:53 AM -20.0 °F -46.6 °F -27.0 °F 70% 30.43 in 10.0 mi NW 17.3 mph - N/A   Clear
9:53 AM -17.0 °F -46.9 °F -26.0 °F 64% 30.42 in 10.0 mi NW 25.3 mph 31.1 mph N/A   Clear
10:53 AM -16.1 °F -42.1 °F -24.0 °F 67% 30.43 in 10.0 mi WNW 18.4 mph - N/A   Clear
11:53 AM -13.0 °F -40.6 °F -22.0 °F 64% 30.40 in 8.0 mi WNW 23.0 mph 29.9 mph N/A   Mostly Cloudy
12:53 PM -11.9 °F -36.8 °F -20.9 °F 64% 30.37 in 8.0 mi WNW 18.4 mph - N/A   Overcast
1:53 PM -11.0 °F -37.4 °F -20.0 °F 64% 30.36 in 7.0 mi WNW 21.9 mph - N/A   Overcast
2:53 PM -11.0 °F -36.8 °F -18.9 °F 68% 30.38 in 6.0 mi West 20.7 mph 27.6 mph N/A   Haze
3:53 PM -9.9 °F -36.5 °F -18.0 °F 68% 30.37 in 10.0 mi West 23.0 mph - N/A   Mostly Cloudy
4:11 PM -9.9 °F -32.8 °F -18.0 °F 68% 30.26 in 10.0 mi WNW 16.1 mph - N/A   Scattered Clouds
5:53 PM -11.0 °F -34.9 °F -18.9 °F 68% 30.37 in 10.0 mi WNW 17.3 mph - N/A   Clear
6:53 PM -11.0 °F -35.6 °F -18.0 °F 71% 30.37 in 10.0 mi WNW 18.4 mph - N/A   Clear
7:53 PM -11.9 °F -35.4 °F -18.9 °F 71% 30.37 in 10.0 mi West 16.1 mph - N/A   Clear
8:53 PM -11.9 °F -34.6 °F -18.9 °F 71% 30.35 in 10.0 mi West 15.0 mph - N/A   Clear
9:53 PM -13.0 °F -33.4 °F -18.9 °F 75% 30.34 in 10.0 mi West 11.5 mph - N/A   Clear
10:53 PM -13.0 °F -32.4 °F -18.9 °F 75% 30.33 in 10.0 mi West 10.4 mph - N/A   Clear