Weather History for Mason City, IA

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Thursday, January 3, 2013

  Actual Average Record
Temperature  
Mean Temperature 17 °F 16 °F  
Max Temperature 25 °F 25 °F 45 °F (1933)
Min Temperature 8 °F 8 °F -31 °F (1919)
Degree Days  
Heating Degree Days 48 49  
Month to date heating degree days 163 147  
Since 1 July heating degree days 3034 3236  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 6 °F    
Average Humidity 76    
Maximum Humidity 84    
Minimum Humidity 67    
Precipitation  
Precipitation T in 0.03 in 1.02 in (1971)
Month to date precipitation T 0.08  
Year to date precipitation T 0.08  
Snow  
Snow T in 0.30 in 11.00 in (1971)
Month to date snowfall 0.1 0.9  
Since 1 July snowfall 10.7 14.9  
Snow Depth 5.00 in    
Sea Level Pressure  
Sea Level Pressure 30.26 in    
Wind  
Wind Speed 15 mph (WNW)    
Max Wind Speed 23 mph    
Max Gust Speed 28 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 03, 2013 Rise Set
Actual Time 7:45 AM CST 4:50 PM CST
Civil Twilight 7:13 AM CST 5:23 PM CST
Nautical Twilight 6:37 AM CST 5:58 PM CST
Astronomical Twilight 6:02 AM CST 6:33 PM CST
Moon 11:38 PM CST (1/3) 10:46 AM CST (1/3)
Length of Visible Light 10h 10m
Length of Day
9h 05m
Waning Gibbous, 65% of the Moon is Illuminated
Jan 3
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
12:36 AM 24.8 °F 10.3 °F 17.6 °F 74% 30.11 in 10.0 mi NW 20.7 mph 25.3 mph N/A   Overcast
12:53 AM 24.1 °F 9.4 °F 18.0 °F 77% 30.16 in 10.0 mi NW 20.7 mph - N/A   Overcast
1:17 AM 23.0 °F 8.3 °F 17.6 °F 80% 30.12 in 9.0 mi NW 19.6 mph - N/A   Overcast
1:53 AM 19.0 °F 4.0 °F 12.9 °F 77% 30.19 in 10.0 mi NW 17.3 mph - N/A   Mostly Cloudy
2:46 AM 14.0 °F -0.2 °F 8.6 °F 79% 30.15 in 8.0 mi WNW 12.7 mph - N/A   Scattered Clouds
2:53 AM 12.9 °F -4.9 °F 7.0 °F 77% 30.20 in 9.0 mi WNW 19.6 mph 25.3 mph N/A   Partly Cloudy
3:42 AM 10.4 °F -7.7 °F 5.0 °F 79% 30.17 in 10.0 mi NW 18.4 mph - N/A   Mostly Cloudy
3:53 AM 10.9 °F -6.5 °F 5.0 °F 77% 30.22 in 8.0 mi NW 17.3 mph - N/A   Overcast
4:53 AM 10.0 °F -8.1 °F 3.9 °F 76% 30.22 in 10.0 mi NW 18.4 mph - N/A   Mostly Cloudy
5:04 AM 10.4 °F -7.2 °F 3.2 °F 73% 30.18 in 9.0 mi NW 17.3 mph - N/A   Scattered Clouds
5:35 AM 10.4 °F -7.2 °F 3.2 °F 73% 30.19 in 8.0 mi WNW 17.3 mph - N/A   Mostly Cloudy
5:53 AM 10.0 °F -6.5 °F 5.0 °F 80% 30.24 in 5.0 mi WNW 15.0 mph - N/A   Haze
6:00 AM 10.4 °F -4.8 °F 5.0 °F 79% 30.19 in 5.0 mi WNW 12.7 mph - N/A   Haze
6:53 AM 12.0 °F -3.4 °F 6.1 °F 77% 30.27 in 8.0 mi WNW 13.8 mph - N/A   Overcast
7:20 AM 10.4 °F -6.6 °F 5.0 °F 79% 30.23 in 9.0 mi WNW 16.1 mph - N/A   Overcast
7:40 AM 10.4 °F -6.6 °F 5.0 °F 79% 30.23 in 6.0 mi WNW 16.1 mph - N/A   Haze
7:53 AM 10.9 °F -5.9 °F 5.0 °F 77% 30.29 in 8.0 mi WNW 16.1 mph - N/A   Overcast
8:53 AM 10.0 °F -7.6 °F 3.0 °F 73% 30.30 in 9.0 mi WNW 17.3 mph - N/A   Overcast
9:09 AM 10.4 °F -6.0 °F 3.2 °F 73% 30.26 in 10.0 mi WNW 15.0 mph - N/A   Overcast
9:53 AM 10.0 °F -6.5 °F 3.0 °F 73% 30.32 in 10.0 mi WNW 15.0 mph - N/A   Overcast
10:53 AM 8.1 °F -8.4 °F 1.0 °F 73% 30.34 in 8.0 mi NW 13.8 mph - N/A   Mostly Cloudy
11:53 AM 9.0 °F -7.9 °F 1.9 °F 73% 30.33 in 10.0 mi WNW 15.0 mph - N/A   Clear
12:53 PM 10.0 °F -7.1 °F 3.0 °F 73% 30.32 in 10.0 mi WNW 16.1 mph - N/A   Clear
1:53 PM 12.0 °F -4.5 °F 3.9 °F 70% 30.32 in 10.0 mi WNW 16.1 mph - N/A   Clear
2:53 PM 12.9 °F -2.8 °F 5.0 °F 71% 30.34 in 10.0 mi WNW 15.0 mph - N/A   Clear
3:53 PM 12.9 °F -2.2 °F 5.0 °F 71% 30.35 in 10.0 mi WNW 13.8 mph - N/A   Clear
4:53 PM 10.9 °F -1.8 °F 3.9 °F 73% 30.36 in 10.0 mi WNW 9.2 mph - N/A   Clear
5:53 PM 10.0 °F -2.9 °F 3.9 °F 76% 30.36 in 10.0 mi West 9.2 mph - N/A   Clear
6:53 PM 10.0 °F -0.9 °F 3.9 °F 76% 30.35 in 10.0 mi WSW 6.9 mph - N/A   Clear
7:53 PM 10.9 °F -1.8 °F 5.0 °F 77% 30.34 in 10.0 mi WSW 9.2 mph - N/A   Clear
8:53 PM 10.9 °F -4.1 °F 6.1 °F 81% 30.32 in 10.0 mi WSW 12.7 mph - N/A   Clear
9:53 PM 12.9 °F -0.9 °F 8.1 °F 81% 30.30 in 10.0 mi SW 11.5 mph - N/A   Clear
10:53 PM 12.9 °F -2.8 °F 8.1 °F 81% 30.27 in 10.0 mi SW 15.0 mph 21.9 mph N/A   Clear
11:53 PM 14.0 °F -0.8 °F 10.4 °F 86% 30.19 in 10.0 mi WSW 13.8 mph - N/A   Clear