Weather History for Mason City, IA

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Wednesday, September 19, 2012

  Actual Average Record
Temperature  
Mean Temperature 63 °F 60 °F  
Max Temperature 81 °F 72 °F 95 °F (1948)
Min Temperature 45 °F 47 °F 25 °F (1894)
Degree Days  
Heating Degree Days 2 7  
Month to date heating degree days 51 78  
Since 1 July heating degree days 82 114  
Cooling Degree Days 0 1  
Month to date cooling degree days 50 44  
Year to date cooling degree days 899 600  
Growing Degree Days 14 (Base 50)    
Moisture  
Dew Point 36 °F    
Average Humidity 42    
Maximum Humidity 65    
Minimum Humidity 18    
Precipitation  
Precipitation 0.00 in 0.11 in 4.57 in (1983)
Month to date precipitation 1.12 2.12  
Year to date precipitation 16.13 28.48  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2002)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Since 1 September snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.82 in    
Wind  
Wind Speed 14 mph (WSW)    
Max Wind Speed 28 mph    
Max Gust Speed 36 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 19, 2012 Rise Set
Actual Time 6:57 AM CDT 7:15 PM CDT
Civil Twilight 6:29 AM CDT 7:43 PM CDT
Nautical Twilight 5:55 AM CDT 8:16 PM CDT
Astronomical Twilight 5:21 AM CDT 8:51 PM CDT
Moon 11:17 AM CDT (9/19) 9:16 PM CDT (9/19)
Length of Visible Light 13h 14m
Length of Day
12h 17m
Waxing Crescent, 17% of the Moon is Illuminated
Sep 19
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Hourly Weather History & Observations

Time (CDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 48.2 °F - 33.8 °F 58% 29.94 in 10.0 mi South 10.4 mph - N/A   Partly Cloudy
1:53 AM 46.0 °F 41.4 °F 34.0 °F 63% 29.94 in 10.0 mi South 9.2 mph - N/A   Scattered Clouds
2:53 AM 46.0 °F 41.9 °F 33.1 °F 61% 29.91 in 10.0 mi South 8.1 mph - N/A   Scattered Clouds
3:53 AM 46.0 °F 41.4 °F 34.0 °F 63% 29.89 in 10.0 mi South 9.2 mph - N/A   Partly Cloudy
4:53 AM 46.9 °F - 35.1 °F 63% 29.86 in 10.0 mi South 10.4 mph - N/A   Clear
5:53 AM 52.0 °F - 36.0 °F 54% 29.82 in 10.0 mi South 15.0 mph - N/A   Clear
6:53 AM 53.1 °F - 37.0 °F 55% 29.81 in 10.0 mi South 15.0 mph 24.2 mph N/A   Clear
7:53 AM 54.0 °F - 37.9 °F 55% 29.81 in 10.0 mi SSW 17.3 mph 26.5 mph N/A   Clear
8:53 AM 55.9 °F - 39.9 °F 55% 29.78 in 10.0 mi SSW 17.3 mph 26.5 mph N/A   Clear
9:53 AM 61.0 °F - 42.1 °F 50% 29.78 in 10.0 mi SW 17.3 mph - N/A   Clear
10:53 AM 68.0 °F - 44.1 °F 42% 29.75 in 10.0 mi SW 17.3 mph 25.3 mph N/A   Clear
11:53 AM 71.1 °F - 44.1 °F 38% 29.75 in 10.0 mi SW 11.5 mph 21.9 mph N/A   Clear
12:53 PM 75.9 °F - 45.0 °F 33% 29.72 in 10.0 mi SW 12.7 mph 25.3 mph N/A   Clear
1:53 PM 77.0 °F - 44.1 °F 31% 29.70 in 10.0 mi WSW 17.3 mph 25.3 mph N/A   Partly Cloudy
2:53 PM 81.0 °F - 43.0 °F 26% 29.69 in 10.0 mi WNW 20.7 mph 26.5 mph N/A   Clear
3:53 PM 77.0 °F - 39.9 °F 26% 29.72 in 10.0 mi NW 23.0 mph 32.2 mph N/A   Clear
4:53 PM 75.9 °F - 28.9 °F 18% 29.74 in 10.0 mi NW 24.2 mph 33.4 mph N/A   Clear
5:53 PM 73.0 °F - 32.0 °F 22% 29.77 in 10.0 mi NW 21.9 mph 33.4 mph N/A   Clear
6:53 PM 68.0 °F - 28.0 °F 22% 29.80 in 10.0 mi NW 17.3 mph 27.6 mph N/A   Clear
7:53 PM 63.0 °F - 30.0 °F 29% 29.84 in 10.0 mi NW 12.7 mph - N/A   Clear
8:53 PM 61.0 °F - 30.0 °F 31% 29.88 in 10.0 mi NW 9.2 mph - N/A   Clear
9:53 PM 52.0 °F - 30.9 °F 45% 29.90 in 10.0 mi West 9.2 mph - N/A   Clear
10:53 PM 53.1 °F - 32.0 °F 45% 29.91 in 10.0 mi West 6.9 mph - N/A   Clear
11:53 PM 52.0 °F - 30.9 °F 45% 29.91 in 10.0 mi West 8.1 mph - N/A   Clear