Weather History for Mason City, IA

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Wednesday, May 9, 2012

  Actual Average Record
Temperature  
Mean Temperature 54 °F 56 °F  
Max Temperature 64 °F 68 °F 91 °F (1895)
Min Temperature 44 °F 44 °F 23 °F (1945)
Degree Days  
Heating Degree Days 11 9  
Month to date heating degree days 36 96  
Since 1 July heating degree days 6020 7496  
Cooling Degree Days 0 1  
Month to date cooling degree days 16 1  
Year to date cooling degree days 29 6  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 43 °F    
Average Humidity 66    
Maximum Humidity 93    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in 0.16 in 2.46 in (1963)
Month to date precipitation 1.86 1.29  
Year to date precipitation 10.39 9.09  
Snow  
Snow 0.00 in 0.00 in 0.50 in (1945)
Month to date snowfall 0.0 0.1  
Since 1 July snowfall 18.8 41.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 7 mph (NNW)    
Max Wind Speed 16 mph    
Max Gust Speed 21 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 09, 2012 Rise Set
Actual Time 5:55 AM CDT 8:24 PM CDT
Civil Twilight 5:23 AM CDT 8:56 PM CDT
Nautical Twilight 4:43 AM CDT 9:36 PM CDT
Astronomical Twilight 3:58 AM CDT 10:22 PM CDT
Moon No Moon Rise 9:10 AM CDT (5/9)
Length of Visible Light 15h 32m
Length of Day
14h 28m
Waning Gibbous, 82% of the Moon is Illuminated
May 9
Waning Gibbous
May 12
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full

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 45.0 °F 40.6 °F 43.0 °F 93% 29.98 in 10.0 mi WNW 8.1 mph - N/A   Clear
1:53 AM 46.9 °F - 45.0 °F 93% 29.98 in 10.0 mi WNW 10.4 mph - N/A   Clear
2:53 AM 46.0 °F 41.9 °F 44.1 °F 93% 29.98 in 10.0 mi WNW 8.1 mph - N/A   Clear
3:53 AM 46.0 °F 40.6 °F 44.1 °F 93% 29.99 in 10.0 mi WNW 11.5 mph - N/A   Clear
4:21 AM 46.4 °F 41.5 °F 44.6 °F 93% 30.00 in 9.0 mi WNW 10.4 mph - N/A   Scattered Clouds
4:31 AM 46.4 °F 41.5 °F 44.6 °F 93% 30.00 in 8.0 mi NW 10.4 mph - N/A   Mostly Cloudy
4:53 AM 46.9 °F - 45.0 °F 93% 30.00 in 7.0 mi NW 11.5 mph - N/A   Overcast
5:53 AM 46.9 °F - 45.0 °F 93% 30.02 in 7.0 mi NNW 9.2 mph - N/A   Overcast
6:53 AM 48.0 °F - 46.0 °F 93% 30.03 in 7.0 mi NNW 8.1 mph - N/A   Overcast
7:53 AM 50.0 °F - 46.9 °F 89% 30.04 in 8.0 mi North 8.1 mph - N/A   Overcast
8:05 AM 51.8 °F - 46.4 °F 82% 30.05 in 9.0 mi North 10.4 mph - N/A   Overcast
8:53 AM 52.0 °F - 46.9 °F 83% 30.06 in 10.0 mi North 10.4 mph - N/A   Overcast
9:53 AM 55.9 °F - 46.9 °F 72% 30.06 in 10.0 mi North 9.2 mph - N/A   Overcast
10:14 AM 57.2 °F - 46.4 °F 67% 30.07 in 10.0 mi North 10.4 mph - N/A   Mostly Cloudy
10:38 AM 57.2 °F - 46.4 °F 67% 30.07 in 10.0 mi NNE 10.4 mph - N/A   Mostly Cloudy
10:53 AM 55.0 °F - 44.1 °F 67% 30.07 in 10.0 mi NNW 9.2 mph - N/A   Mostly Cloudy
11:53 AM 57.0 °F - 43.0 °F 59% 30.06 in 10.0 mi North 11.5 mph - N/A   Mostly Cloudy
12:53 PM 59.0 °F - 42.1 °F 53% 30.04 in 10.0 mi North 12.7 mph - N/A   Mostly Cloudy
1:53 PM 59.0 °F - 41.0 °F 51% 30.03 in 10.0 mi NNE 8.1 mph - N/A   Mostly Cloudy
2:53 PM 61.0 °F - 39.9 °F 46% 30.02 in 10.0 mi NNW 8.1 mph 17.3 mph N/A   Scattered Clouds
3:53 PM 63.0 °F - 41.0 °F 45% 30.01 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
4:53 PM 63.0 °F - 39.0 °F 41% 29.99 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
5:53 PM 62.1 °F - 37.0 °F 39% 29.98 in 10.0 mi NW 5.8 mph - N/A   Clear
6:53 PM 61.0 °F - 37.9 °F 42% 29.98 in 10.0 mi North 6.9 mph - N/A   Clear
7:53 PM 57.9 °F - 37.9 °F 47% 29.97 in 10.0 mi North 3.5 mph - N/A   Clear
8:53 PM 54.0 °F - 39.9 °F 59% 29.98 in 8.0 mi ENE 3.5 mph - N/A   Clear
9:53 PM 48.9 °F - 39.9 °F 71% 29.99 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 48.9 °F - 39.9 °F 71% 29.99 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 48.0 °F - 39.9 °F 74% 29.98 in 10.0 mi Calm Calm - N/A   Clear