Weather History for Mason City, IA

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Monday, October 31, 2011

  Actual Average Record
Temperature  
Mean Temperature 40 °F 42 °F  
Max Temperature 53 °F 53 °F 80 °F (1950)
Min Temperature 26 °F 32 °F 8 °F (1925)
Degree Days  
Heating Degree Days 25 23  
Month to date heating degree days 415 523  
Since 1 July heating degree days 638 738  
Cooling Degree Days 0 0  
Month to date cooling degree days 15 6  
Year to date cooling degree days 789 616  
Moisture  
Dew Point 29 °F    
Average Humidity 65    
Maximum Humidity 92    
Minimum Humidity 38    
Precipitation  
Precipitation 0.00 in 0.07 in 2.15 in (1935)
Month to date precipitation 0.58 2.45  
Year to date precipitation 20.69 32.08  
Snow  
Snow 0.00 in 0.00 in 1.30 in (1995)
Month to date snowfall 0.0 0.4  
Since 1 July snowfall 0.0 0.4  
Since 1 September snowfall 0.0 0.4  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 8 mph (WSW)    
Max Wind Speed 14 mph    
Max Gust Speed 17 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Oct. 31, 2011 Rise Set
Actual Time 7:46 AM CDT 6:06 PM CDT
Civil Twilight 7:17 AM CDT 6:36 PM CDT
Nautical Twilight 6:43 AM CDT 7:09 PM CDT
Astronomical Twilight 6:10 AM CDT 7:42 PM CDT
Moon 12:57 PM CDT (10/31) 10:40 PM CDT (10/31)
Length of Visible Light 11h 19m
Length of Day
10h 20m
Waxing Crescent, 30% of the Moon is Illuminated
Oct 31
Waxing Crescent
Nov 2
First Quarter
Nov 10
Full
Nov 18
Last Quarter
Nov 25
New

Hourly Weather History & Observations

Time (CDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:44 AM 41.0 °F 34.3 °F 33.8 °F 76% 29.99 in 10.0 mi NW 11.5 mph 20.7 mph N/A   Overcast
12:53 AM 41.0 °F 34.3 °F 33.1 °F 73% 30.00 in 10.0 mi NW 11.5 mph - N/A   Overcast
1:26 AM 41.0 °F 34.7 °F 33.8 °F 76% 30.00 in 10.0 mi WNW 10.4 mph - N/A   Overcast
1:53 AM 41.0 °F 34.7 °F 33.1 °F 73% 30.01 in 10.0 mi WNW 10.4 mph - N/A   Overcast
2:53 AM 37.9 °F 30.9 °F 32.0 °F 79% 30.02 in 10.0 mi NW 10.4 mph - N/A   Overcast
3:53 AM 34.0 °F 27.2 °F 30.0 °F 85% 30.03 in 10.0 mi NW 8.1 mph - N/A   Clear
4:53 AM 30.0 °F 23.2 °F 27.0 °F 88% 30.04 in 10.0 mi West 6.9 mph - N/A   Clear
5:53 AM 30.2 °F 22.6 °F 28.4 °F 93% 30.04 in 9.0 mi West 8.1 mph - N/A   Scattered Clouds
6:14 AM 30.2 °F 21.9 °F 28.4 °F 93% 30.04 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
6:30 AM 28.4 °F 21.2 °F 28.4 °F 100% 30.04 in 9.0 mi West 6.9 mph - N/A   Partly Cloudy
6:53 AM 28.9 °F 20.4 °F 27.0 °F 92% 30.06 in 9.0 mi West 9.2 mph - N/A   Clear
7:53 AM 26.1 °F 21.9 °F 25.0 °F 96% 30.08 in 7.0 mi WNW 3.5 mph - N/A   Clear
8:53 AM 30.0 °F 26.5 °F 28.0 °F 92% 30.08 in 7.0 mi West 3.5 mph - N/A   Clear
9:53 AM 37.0 °F 31.6 °F 30.9 °F 79% 30.08 in 10.0 mi West 6.9 mph - N/A   Clear
10:53 AM 43.0 °F 38.2 °F 33.1 °F 68% 30.07 in 10.0 mi West 8.1 mph - N/A   Clear
11:53 AM 45.0 °F 40.6 °F 32.0 °F 60% 30.07 in 10.0 mi WSW 8.1 mph - N/A   Clear
12:53 PM 46.9 °F - 32.0 °F 56% 30.06 in 10.0 mi SW 6.9 mph - N/A   Clear
1:53 PM 48.9 °F - 30.9 °F 50% 30.02 in 10.0 mi WSW 4.6 mph - N/A   Clear
2:53 PM 51.1 °F - 30.0 °F 44% 30.02 in 10.0 mi WSW 6.9 mph - N/A   Clear
3:53 PM 52.0 °F - 28.0 °F 40% 30.01 in 8.0 mi SW 6.9 mph - N/A   Clear
4:53 PM 52.0 °F - 27.0 °F 38% 30.00 in 10.0 mi South 8.1 mph - N/A   Clear
5:53 PM 46.9 °F - 26.1 °F 44% 30.00 in 10.0 mi SSE 6.9 mph - N/A   Clear
6:53 PM 41.0 °F 35.8 °F 26.1 °F 55% 30.03 in 7.0 mi South 8.1 mph - N/A   Clear
7:53 PM 41.0 °F 34.7 °F 27.0 °F 57% 30.03 in 10.0 mi South 10.4 mph - N/A   Clear
8:53 PM 37.0 °F 31.0 °F 26.1 °F 65% 30.02 in 10.0 mi South 8.1 mph - N/A   Clear
9:53 PM 37.9 °F 31.5 °F 27.0 °F 65% 30.02 in 10.0 mi SSE 9.2 mph - N/A   Clear
10:53 PM 39.0 °F 32.3 °F 28.0 °F 65% 30.01 in 10.0 mi South 10.4 mph - N/A   Clear
11:53 PM 39.0 °F 32.8 °F 28.0 °F 65% 29.99 in 10.0 mi SSE 9.2 mph - N/A   Clear