History for Mason City, IA

Monday, February 21, 2011 — View Current Conditions
Monday, February 21, 2011
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 26 °F 23 °F  
Max Temperature 31 °F 31 °F 59 °F (1930)
Min Temperature 20 °F 14 °F -22 °F (1936)
Degree Days
Heating Degree Days 39 42  
Month to date heating degree days 931 956  
Since 1 July heating degree days 5619 5567  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture
Dew Point 26 °F    
Average Humidity 92    
Maximum Humidity 100    
Minimum Humidity 84    
Precipitation
Precipitation 0.11 in 0.04 in 0.80 in (1974)
Month to date precipitation 0.97 0.70  
Year to date precipitation 2.04 1.52  
Snow
Snow 2.00 in 0.20 in 10.00 in (1945)
Month to date snowfall 3.6 6.0  
Since 1 July snowfall 45.8 30.8  
Snow Depth 1.00 in    
Sea Level Pressure
Sea Level Pressure 29.76 in    
Wind
Wind Speed 10 mph (ENE)    
Max Wind Speed 21 mph    
Max Gust Speed 23 mph    
Visibility 3 miles    
Events Fog , Rain , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Radar Archive
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Local Photos
Ice storm
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Astronomy
May. 22, 2013 Rise Set
Actual Time 7:02 AM CST 5:51 PM CST
Civil Twilight 6:33 AM CST 6:20 PM CST
Nautical Twilight 6:00 AM CST 6:54 PM CST
Astronomical Twilight 5:27 AM CST 7:26 PM CST
Moon 10:37 PM CST (2/21) 8:23 AM CST (2/21)
Length Of Visible Light 11h 47m
Length of Day
10h 49m
Waning Gibbous, 84% of the Moon is Illuminated
Feb 21
Waning Gibbous
Feb 24
Last Quarter
Mar 4
New
Mar 12
First Quarter
Mar 19
Full
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Hourly Observations
Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:29 AM 30.2 °F 20.8 °F 28.4 °F 93% 29.68 in 2.0 mi East 11.5 mph - 0.00 in Snow Light Snow
12:53 AM 30.0 °F 21.7 °F 28.9 °F 96% 29.71 in 2.0 mi ENE 9.2 mph - 0.00 in Snow Light Snow
1:20 AM 28.4 °F 19.1 °F 28.4 °F 100% 29.68 in 1.8 mi NE 10.4 mph - 0.00 in Snow Light Snow
1:32 AM 28.4 °F 19.1 °F 28.4 °F 100% 29.69 in 2.5 mi ENE 10.4 mph - 0.00 in Snow Light Snow
1:45 AM 28.4 °F 18.5 °F 28.4 °F 100% 29.68 in 3.0 mi ENE 11.5 mph - 0.00 in Snow Light Snow
1:53 AM 28.9 °F 20.4 °F 28.0 °F 96% 29.70 in 4.0 mi ENE 9.2 mph - 0.00 in   Overcast
2:50 AM 28.4 °F 19.1 °F 28.4 °F 100% 29.68 in 2.0 mi East 10.4 mph - 0.00 in Snow Light Snow
2:53 AM 28.9 °F 19.8 °F 28.0 °F 96% 29.71 in 2.0 mi East 10.4 mph - 0.00 in Snow Light Snow
3:18 AM 28.4 °F 22.2 °F 28.4 °F 100% 29.69 in 4.0 mi East 5.8 mph - 0.01 in Snow Light Snow
3:49 AM 28.4 °F 21.2 °F 28.4 °F 100% 29.70 in 1.8 mi East 6.9 mph - 0.01 in Snow Light Snow
3:53 AM 28.9 °F 21.1 °F 28.0 °F 96% 29.72 in 1.5 mi ENE 8.1 mph - 0.01 in Snow Light Snow
4:15 AM 28.4 °F 20.4 °F 28.4 °F 100% 29.70 in 1.5 mi ENE 8.1 mph - 0.00 in Snow Light Snow
4:42 AM 30.2 °F 22.6 °F 28.4 °F 93% 29.70 in 2.0 mi East 8.1 mph - 0.00 in Snow Light Snow
4:53 AM 30.0 °F 22.4 °F 28.0 °F 92% 29.72 in 2.5 mi East 8.1 mph - 0.00 in Snow Light Snow
4:58 AM 30.2 °F 22.6 °F 28.4 °F 93% 29.69 in 3.0 mi East 8.1 mph - 0.00 in Snow Light Snow
5:08 AM 28.4 °F 20.4 °F 28.4 °F 100% 29.68 in 4.0 mi East 8.1 mph - 0.00 in   Overcast
5:24 AM 30.2 °F 21.3 °F 28.4 °F 93% 29.68 in 6.0 mi ENE 10.4 mph - 0.00 in   Overcast
5:53 AM 28.9 °F 20.4 °F 28.0 °F 96% 29.71 in 6.0 mi ENE 9.2 mph - 0.00 in   Overcast
6:53 AM 28.0 °F 19.3 °F 27.0 °F 96% 29.72 in 8.0 mi NE 9.2 mph - N/A   Overcast
7:53 AM 30.0 °F 21.1 °F 28.9 °F 96% 29.72 in 4.0 mi East 10.4 mph - N/A   Overcast
8:28 AM 30.2 °F 21.3 °F 28.4 °F 93% 29.70 in 2.5 mi East 10.4 mph - N/A   Overcast
8:53 AM 30.9 °F 22.8 °F 30.0 °F 96% 29.73 in 1.2 mi East 9.2 mph - 0.00 in Snow Light Snow
9:26 AM 30.2 °F 23.4 °F 30.2 °F 100% 29.72 in 0.8 mi South 6.9 mph - N/A Snow Light Snow
9:42 AM 30.2 °F 23.4 °F 28.4 °F 93% 29.72 in 0.2 mi SE 6.9 mph - 0.02 in Fog , Snow Snow
9:53 AM 30.0 °F 25.2 °F 30.0 °F 100% 29.75 in 0.2 mi Variable 4.6 mph - 0.04 in Fog , Snow Snow
10:02 AM 30.2 °F 26.7 °F 28.4 °F 93% 29.73 in 0.8 mi Variable 3.5 mph - 0.00 in Snow Light Snow
10:11 AM 30.2 °F - 28.4 °F 93% 29.73 in 1.5 mi Calm Calm - 0.00 in Snow Light Snow
10:20 AM 30.2 °F 26.7 °F 28.4 °F 93% 29.73 in 1.5 mi NW 3.5 mph - 0.00 in Snow Light Snow
10:37 AM 30.2 °F 22.6 °F 28.4 °F 93% 29.73 in 2.5 mi West 8.1 mph - 0.00 in Rain Light Freezing Rain
10:44 AM 30.2 °F 22.6 °F 28.4 °F 93% 29.73 in 3.0 mi West 8.1 mph - 0.01 in Rain Light Freezing Rain
10:53 AM 30.0 °F 23.2 °F 28.0 °F 92% 29.75 in 2.5 mi West 6.9 mph - 0.01 in Rain Light Freezing Rain
11:25 AM 28.4 °F 18.0 °F 26.6 °F 93% 29.74 in 1.8 mi WSW 12.7 mph - 0.01 in Rain Light Freezing Rain
11:35 AM 28.4 °F 18.0 °F 26.6 °F 93% 29.74 in 2.0 mi WSW 12.7 mph - 0.01 in Rain Light Freezing Rain
11:53 AM 28.0 °F 18.6 °F 26.1 °F 92% 29.77 in 2.0 mi WSW 10.4 mph - 0.01 in Rain Light Freezing Rain
12:16 PM 28.4 °F 17.5 °F 26.6 °F 93% 29.74 in 2.0 mi West 13.8 mph - 0.00 in Rain Light Freezing Rain
12:31 PM 28.4 °F 19.1 °F 26.6 °F 93% 29.73 in 2.5 mi WSW 10.4 mph - 0.00 in Rain Light Freezing Rain
12:53 PM 28.0 °F 17.5 °F 27.0 °F 96% 29.75 in 2.5 mi WSW 12.7 mph - 0.00 in Rain Light Freezing Rain
1:05 PM 28.4 °F 18.0 °F 26.6 °F 93% 29.72 in 3.0 mi WSW 12.7 mph - 0.00 in   Overcast
1:53 PM 28.0 °F 17.0 °F 26.1 °F 92% 29.75 in 4.0 mi WSW 13.8 mph - 0.00 in   Overcast
2:17 PM 26.6 °F 16.2 °F 26.6 °F 100% 29.73 in 2.5 mi WSW 11.5 mph - 0.00 in Snow Light Snow
2:53 PM 28.0 °F 18.1 °F 26.1 °F 92% 29.76 in 2.0 mi SW 11.5 mph - 0.00 in Snow Light Snow
3:00 PM 28.4 °F 20.4 °F 26.6 °F 93% 29.73 in 1.2 mi SW 8.1 mph - 0.00 in Snow Light Snow
3:14 PM 28.4 °F 20.4 °F 26.6 °F 93% 29.74 in 1.2 mi SW 8.1 mph - 0.00 in Snow Light Snow
3:37 PM 28.4 °F 19.7 °F 26.6 °F 93% 29.75 in 1.5 mi WSW 9.2 mph - 0.00 in Snow Light Snow
3:53 PM 28.0 °F 20.0 °F 25.0 °F 88% 29.78 in 1.8 mi West 8.1 mph - 0.00 in Snow Light Snow
4:14 PM 26.6 °F 20.0 °F 24.8 °F 93% 29.77 in 0.8 mi West 5.8 mph - 0.01 in Snow Light Snow
4:24 PM 26.6 °F 21.2 °F 24.8 °F 93% 29.77 in 0.5 mi West 4.6 mph - 0.02 in Fog , Snow Snow
4:31 PM 26.6 °F 22.6 °F 24.8 °F 93% 29.77 in 0.5 mi West 3.5 mph - 0.02 in Fog , Snow Snow
4:53 PM 27.0 °F - 26.1 °F 96% 29.81 in 0.5 mi Calm Calm - 0.03 in Fog , Snow Snow
5:39 PM 26.6 °F - 24.8 °F 93% 29.80 in 1.0 mi Calm Calm - 0.01 in Snow Light Snow
5:46 PM 26.6 °F 21.2 °F 24.8 °F 93% 29.80 in 1.2 mi ENE 4.6 mph - 0.01 in Snow Light Snow
5:53 PM 26.1 °F - 24.1 °F 92% 29.84 in 1.8 mi Calm Calm - 0.01 in Snow Light Snow
6:03 PM 26.6 °F 20.0 °F 24.8 °F 93% 29.81 in 2.0 mi ENE 5.8 mph - 0.00 in Snow Light Snow
6:10 PM 26.6 °F 16.8 °F 24.8 °F 93% 29.81 in 2.5 mi ENE 10.4 mph - 0.00 in Snow Light Snow
6:17 PM 26.6 °F 16.2 °F 24.8 °F 93% 29.81 in 4.0 mi ENE 11.5 mph - 0.00 in Snow Light Snow
6:53 PM 24.1 °F 16.0 °F 23.0 °F 96% 29.88 in 9.0 mi NE 6.9 mph - 0.00 in   Overcast
7:53 PM 25.0 °F 12.2 °F 21.9 °F 88% 29.91 in 10.0 mi NE 16.1 mph - N/A   Overcast
8:09 PM 24.8 °F 11.5 °F 21.2 °F 86% 29.90 in 9.0 mi NE 17.3 mph - N/A   Overcast
8:53 PM 21.0 °F 6.6 °F 18.0 °F 88% 29.97 in 10.0 mi NNE 17.3 mph - N/A   Overcast
9:53 PM 19.9 °F 4.8 °F 17.1 °F 89% 30.00 in 10.0 mi NNE 18.4 mph - 0.00 in   Overcast
10:53 PM 19.4 °F 6.6 °F 15.8 °F 86% 29.99 in 10.0 mi NNE 12.7 mph - N/A   Overcast
11:53 PM 19.9 °F 7.9 °F 16.0 °F 85% 30.05 in 10.0 mi NNE 11.5 mph - N/A   Overcast
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