Weather History for Mason City, IA

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Thursday, January 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 18 °F 16 °F  
Max Temperature 30 °F 25 °F 49 °F (1996)
Min Temperature 6 °F 7 °F -24 °F (1930)
Degree Days  
Heating Degree Days 47 49  
Month to date heating degree days 770 833  
Since 1 July heating degree days 3641 3922  
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 84    
Minimum Humidity 45    
Precipitation  
Precipitation 0.00 in 0.02 in 0.50 in (1932)
Month to date precipitation 0.11 0.44  
Year to date precipitation 0.11 0.44  
Snow  
Snow 0.00 in 0.30 in 10.00 in (1932)
Month to date snowfall 0.1 5.6  
Since 1 July snowfall 10.7 19.6  
Snow Depth T in    
Sea Level Pressure  
Sea Level Pressure 30.39 in    
Wind  
Wind Speed 8 mph (WNW)    
Max Wind Speed 18 mph    
Max Gust Speed 22 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jan. 17, 2013 Rise Set
Actual Time 7:41 AM CST 5:06 PM CST
Civil Twilight 7:09 AM CST 5:37 PM CST
Nautical Twilight 6:34 AM CST 6:12 PM CST
Astronomical Twilight 6:00 AM CST 6:46 PM CST
Moon 10:36 AM CST (1/17) No Moon Set
Length of Visible Light 10h 28m
Length of Day
9h 25m
Waxing Crescent, 38% of the Moon is Illuminated
Jan 17
Waxing Crescent
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
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 15.1 °F -0.6 °F 9.0 °F 77% 30.27 in 10.0 mi NW 16.1 mph - N/A   Clear
1:53 AM 12.9 °F -1.6 °F 6.1 °F 74% 30.31 in 10.0 mi NW 12.7 mph - N/A   Clear
2:53 AM 10.9 °F -4.1 °F 3.9 °F 73% 30.33 in 10.0 mi NNW 12.7 mph - N/A   Clear
3:53 AM 10.0 °F -5.2 °F 3.0 °F 73% 30.35 in 10.0 mi NNW 12.7 mph - N/A   Clear
4:53 AM 9.0 °F -5.1 °F 1.0 °F 70% 30.37 in 10.0 mi NW 10.4 mph - N/A   Clear
5:53 AM 8.1 °F -6.2 °F 1.0 °F 73% 30.39 in 10.0 mi NW 10.4 mph - N/A   Clear
6:53 AM 7.0 °F -4.5 °F -0.0 °F 73% 30.41 in 10.0 mi WNW 6.9 mph - N/A   Clear
7:53 AM 8.1 °F -6.2 °F -0.0 °F 70% 30.45 in 10.0 mi WNW 10.4 mph - N/A   Mostly Cloudy
8:53 AM 10.0 °F -0.9 °F -0.0 °F 64% 30.46 in 10.0 mi WNW 6.9 mph - N/A   Overcast
9:53 AM 12.9 °F 3.8 °F 1.9 °F 62% 30.45 in 10.0 mi WSW 5.8 mph - N/A   Overcast
10:53 AM 17.1 °F 7.6 °F 3.9 °F 56% 30.46 in 10.0 mi West 6.9 mph - N/A   Overcast
11:53 AM 21.0 °F 16.2 °F 3.9 °F 48% 30.42 in 10.0 mi WSW 3.5 mph - N/A   Scattered Clouds
12:53 PM 26.1 °F 15.6 °F 9.0 °F 49% 30.42 in 10.0 mi West 11.5 mph - N/A   Partly Cloudy
1:46 PM 26.6 °F 15.2 °F 12.2 °F 55% 30.36 in 10.0 mi West 13.8 mph - N/A   Overcast
1:53 PM 28.0 °F 16.1 °F 14.0 °F 56% 30.42 in 10.0 mi WNW 16.1 mph - N/A   Overcast
2:34 PM 28.4 °F 17.5 °F 15.8 °F 59% 30.35 in 10.0 mi NW 13.8 mph - N/A   Scattered Clouds
2:53 PM 28.0 °F 18.1 °F 16.0 °F 61% 30.40 in 10.0 mi NW 11.5 mph - N/A   Clear
3:53 PM 28.9 °F 19.8 °F 18.0 °F 64% 30.41 in 10.0 mi NW 10.4 mph - N/A   Scattered Clouds
4:53 PM 26.1 °F 18.4 °F 17.1 °F 69% 30.43 in 10.0 mi NW 6.9 mph - N/A   Overcast
5:53 PM 24.1 °F 19.7 °F 18.0 °F 77% 30.43 in 10.0 mi WNW 3.5 mph - N/A   Overcast
6:53 PM 21.9 °F 17.2 °F 18.0 °F 85% 30.44 in 10.0 mi NW 3.5 mph - N/A   Scattered Clouds
7:53 PM 23.0 °F - 18.0 °F 81% 30.43 in 10.0 mi Calm Calm - N/A   Overcast
8:01 PM 23.0 °F - 19.4 °F 86% 30.37 in 10.0 mi Calm Calm - N/A   Overcast
8:30 PM 24.8 °F - 19.4 °F 80% 30.37 in 10.0 mi Calm Calm - N/A   Overcast
8:53 PM 25.0 °F - 19.0 °F 78% 30.42 in 10.0 mi Calm Calm - N/A   Overcast
9:53 PM 25.0 °F - 18.0 °F 75% 30.40 in 10.0 mi Calm Calm - N/A   Overcast
10:53 PM 24.1 °F 19.7 °F 19.0 °F 81% 30.37 in 10.0 mi SE 3.5 mph - N/A   Overcast
11:53 PM 23.0 °F 14.7 °F 18.0 °F 81% 30.34 in 10.0 mi SSE 6.9 mph - N/A   Scattered Clouds