Clear Lake, IA

1:51 AM CST on February 25, 2017 (GMT -0600)
Mason City Municipal

Weather History for KMCW - December, 2012

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Sunday, December 16, 2012

  Actual Average Record
Temperature  
Mean Temperature 26 °F 19 °F  
Max Temperature 33 °F 27 °F 61 °F (1939)
Min Temperature 19 °F 11 °F -21 °F (1932)
Degree Days  
Heating Degree Days 39 46  
Month to date heating degree days 522 695  
Since 1 July heating degree days 2124 2375  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 899 616  
Moisture  
Dew Point 22 °F    
Average Humidity 87    
Maximum Humidity 92    
Minimum Humidity 81    
Precipitation  
Precipitation T in 0.04 in 0.50 in (1908)
Month to date precipitation 1.02 0.71  
Year to date precipitation 19.95 34.67  
Snow  
Snow 0.00 in 0.30 in 5.00 in (1940)
Month to date snowfall 1.4 4.8  
Since 1 July snowfall 1.4 9.5  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.74 in    
Wind  
Wind Speed 13 mph (NW)    
Max Wind Speed 20 mph    
Max Gust Speed 23 mph    
Visibility 4 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Dec. 16, 2012 Rise Set
Actual Time 7:39 AM CST 4:39 PM CST
Civil Twilight 7:06 AM CST 5:11 PM CST
Nautical Twilight 6:30 AM CST 5:47 PM CST
Astronomical Twilight 5:56 AM CST 6:22 PM CST
Moon 10:08 AM CST (12/16) 8:59 PM CST (12/16)
Length of Visible Light 10h 04m
Length of Day
8h 59m
Waxing Crescent, 16% of the Moon is Illuminated
Dec 16
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 33.1 °F 24.4 °F 30.0 °F 89% 29.61 in 3.0 mi WNW 11.5 mph - 0.00 in Snow Light Snow
1:53 AM 32.0 °F 21.6 °F 28.9 °F 88% 29.64 in 4.0 mi WNW 15.0 mph - 0.00 in   Overcast
2:42 AM 30.2 °F 18.1 °F 28.4 °F 93% 29.65 in 2.5 mi West 18.4 mph 23.0 mph N/A   Overcast
2:53 AM 30.9 °F 20.2 °F 28.0 °F 89% 29.67 in 2.5 mi WNW 15.0 mph - N/A   Overcast
3:37 AM 30.2 °F 18.5 °F 28.4 °F 93% 29.65 in 1.8 mi WNW 17.3 mph - N/A   Overcast
3:53 AM 30.0 °F 19.1 °F 28.0 °F 92% 29.66 in 2.5 mi NW 15.0 mph - N/A   Overcast
4:14 AM 30.2 °F 19.8 °F 26.6 °F 86% 29.65 in 3.0 mi NW 13.8 mph - N/A   Overcast
4:53 AM 30.0 °F 18.7 °F 27.0 °F 88% 29.68 in 4.0 mi WNW 16.1 mph - N/A   Overcast
5:53 AM 28.0 °F 17.0 °F 25.0 °F 88% 29.69 in 4.0 mi WNW 13.8 mph - N/A   Overcast
6:53 AM 27.0 °F 16.7 °F 24.1 °F 89% 29.70 in 5.0 mi NW 11.5 mph - N/A   Overcast
7:53 AM 27.0 °F 15.6 °F 24.1 °F 89% 29.71 in 3.0 mi WNW 13.8 mph - N/A   Overcast
8:53 AM 25.0 °F 13.1 °F 21.9 °F 88% 29.73 in 4.0 mi WNW 13.8 mph - N/A   Overcast
9:53 AM 24.1 °F 12.5 °F 19.9 °F 84% 29.77 in 4.0 mi West 12.7 mph - N/A   Overcast
10:36 AM 21.2 °F 8.3 °F 19.4 °F 93% 29.76 in 3.0 mi WNW 13.8 mph - N/A   Overcast
10:53 AM 21.9 °F 8.7 °F 19.9 °F 92% 29.80 in 3.0 mi WNW 15.0 mph - N/A   Overcast
11:36 AM 21.2 °F 7.3 °F 19.4 °F 93% 29.75 in 2.5 mi WNW 16.1 mph - N/A   Overcast
11:53 AM 21.9 °F 8.7 °F 19.9 °F 92% 29.78 in 3.0 mi WNW 15.0 mph - N/A   Overcast
12:53 PM 23.0 °F 11.1 °F 19.9 °F 88% 29.76 in 4.0 mi NW 12.7 mph - N/A   Overcast
1:23 PM 23.0 °F 11.7 °F 21.2 °F 93% 29.72 in 4.0 mi NW 11.5 mph - N/A   Overcast
1:53 PM 23.0 °F 10.6 °F 19.9 °F 88% 29.75 in 5.0 mi NW 13.8 mph - N/A   Overcast
2:53 PM 23.0 °F 11.7 °F 19.9 °F 88% 29.74 in 5.0 mi NNW 11.5 mph - N/A   Overcast
3:53 PM 21.9 °F 9.2 °F 18.0 °F 85% 29.76 in 5.0 mi NW 13.8 mph - N/A   Overcast
4:53 PM 21.0 °F 8.6 °F 18.0 °F 88% 29.77 in 7.0 mi NW 12.7 mph - N/A   Overcast
5:53 PM 21.0 °F 8.6 °F 18.0 °F 88% 29.79 in 8.0 mi NNW 12.7 mph - N/A   Overcast
6:53 PM 21.0 °F 9.9 °F 17.1 °F 85% 29.81 in 8.0 mi NW 10.4 mph - N/A   Overcast
7:53 PM 21.0 °F 9.9 °F 18.0 °F 88% 29.82 in 7.0 mi WNW 10.4 mph - N/A   Overcast
8:53 PM 21.0 °F 12.4 °F 18.0 °F 88% 29.83 in 7.0 mi NNW 6.9 mph - N/A   Overcast
9:53 PM 19.9 °F 9.3 °F 17.1 °F 89% 29.83 in 7.0 mi NW 9.2 mph - N/A   Overcast
10:00 PM 19.4 °F 7.2 °F 17.6 °F 93% 29.79 in 7.0 mi North 11.5 mph - N/A   Overcast
10:53 PM 19.0 °F 6.8 °F 17.1 °F 92% 29.85 in 6.0 mi NW 11.5 mph - N/A   Overcast
11:53 PM 19.9 °F 8.6 °F 17.1 °F 89% 29.83 in 3.0 mi North 10.4 mph - N/A   Overcast