Weather History for Mason City, IA

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Thursday, October 21, 2010

  Actual Average Record
Temperature  
Mean Temperature 44 °F 46 °F  
Max Temperature 56 °F 58 °F 90 °F (1947)
Min Temperature 31 °F 35 °F 13 °F (1930)
Degree Days  
Heating Degree Days 21 19  
Month to date heating degree days 237 315  
Since 1 July heating degree days 393 528  
Cooling Degree Days 0 0  
Month to date cooling degree days 7 2  
Year to date cooling degree days 740 612  
Moisture  
Dew Point 27 °F    
Average Humidity 55    
Maximum Humidity 78    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in 0.07 in 1.50 in (1908)
Month to date precipitation 0.01 1.76  
Year to date precipitation 25.64 31.39  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2002)
Month to date snowfall 0.0 0.1  
Since 1 July snowfall 0.0 0.1  
Since 1 September snowfall 0.0 0.1  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 8 mph (NW)    
Max Wind Speed 17 mph    
Max Gust Speed 25 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Oct. 21, 2010 Rise Set
Actual Time 7:34 AM CDT 6:20 PM CDT
Civil Twilight 7:05 AM CDT 6:49 PM CDT
Nautical Twilight 6:32 AM CDT 7:22 PM CDT
Astronomical Twilight 5:59 AM CDT 7:55 PM CDT
Moon 5:21 PM CDT (10/21) 6:14 AM CDT (10/21)
Length of Visible Light 11h 44m
Length of Day
10h 46m
Waxing Gibbous, 98% of the Moon is Illuminated
Oct 21
Waxing Gibbous
Oct 22
Full
Oct 30
Last Quarter
Nov 5
New
Nov 13
First Quarter

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 37.9 °F 31.5 °F 25.0 °F 60% 29.93 in 10.0 mi WNW 9.2 mph - N/A   Clear
1:53 AM 41.0 °F 33.9 °F 26.1 °F 55% 29.95 in 10.0 mi WNW 12.7 mph - N/A   Clear
2:53 AM 41.0 °F 33.9 °F 26.1 °F 55% 29.96 in 10.0 mi WNW 12.7 mph - N/A   Clear
3:53 AM 35.1 °F 26.9 °F 26.1 °F 70% 29.97 in 10.0 mi West 11.5 mph - N/A   Clear
4:53 AM 33.1 °F 24.4 °F 26.1 °F 75% 29.99 in 10.0 mi WNW 11.5 mph - N/A   Clear
5:53 AM 37.0 °F 29.3 °F 27.0 °F 67% 30.00 in 10.0 mi WNW 11.5 mph - N/A   Clear
6:53 AM 37.0 °F 29.3 °F 27.0 °F 67% 30.02 in 10.0 mi NW 11.5 mph - N/A   Clear
7:53 AM 35.1 °F 27.4 °F 27.0 °F 72% 30.04 in 10.0 mi NW 10.4 mph - N/A   Clear
8:53 AM 39.0 °F 31.8 °F 28.0 °F 65% 30.07 in 10.0 mi NW 11.5 mph - N/A   Clear
9:53 AM 44.1 °F 37.7 °F 30.0 °F 58% 30.08 in 10.0 mi NNW 12.7 mph - N/A   Clear
10:53 AM 48.0 °F - 28.9 °F 48% 30.09 in 10.0 mi NNW 11.5 mph - N/A   Clear
11:53 AM 51.1 °F - 28.0 °F 41% 30.10 in 10.0 mi North 11.5 mph - N/A   Clear
12:53 PM 53.1 °F - 28.0 °F 38% 30.09 in 10.0 mi NW 15.0 mph 19.6 mph N/A   Clear
1:53 PM 54.0 °F - 27.0 °F 35% 30.07 in 10.0 mi NW 13.8 mph - N/A   Clear
2:53 PM 55.0 °F - 27.0 °F 34% 30.05 in 10.0 mi NNW 10.4 mph - N/A   Clear
3:53 PM 55.0 °F - 26.1 °F 33% 30.05 in 10.0 mi NW 10.4 mph - N/A   Clear
4:53 PM 55.0 °F - 26.1 °F 33% 30.04 in 10.0 mi NW 9.2 mph - N/A   Clear
5:53 PM 51.1 °F - 26.1 °F 38% 30.04 in 10.0 mi NW 6.9 mph - N/A   Clear
6:53 PM 45.0 °F 42.6 °F 25.0 °F 46% 30.06 in 10.0 mi NW 4.6 mph - N/A   Clear
7:53 PM 39.0 °F - 25.0 °F 57% 30.07 in 10.0 mi Calm Calm - N/A   Clear
8:53 PM 37.9 °F - 27.0 °F 65% 30.06 in 10.0 mi Calm Calm - N/A   Clear
9:53 PM 37.0 °F - 26.1 °F 65% 30.07 in 7.0 mi Calm Calm - N/A   Clear
10:53 PM 35.1 °F 32.2 °F 26.1 °F 70% 30.08 in 8.0 mi SSW 3.5 mph - N/A   Clear
11:53 PM 32.0 °F - 26.1 °F 79% 30.09 in 8.0 mi Calm Calm - N/A   Clear