Weather History for Mason City, IA

Change the Weather History Date:

Monday, January 9, 2012

  Actual Average Record
Temperature  
Mean Temperature 38 °F 16 °F  
Max Temperature 47 °F 24 °F 49 °F (2002)
Min Temperature 28 °F 7 °F -26 °F (1977)
Degree Days  
Heating Degree Days 27 49  
Month to date heating degree days 315 441  
Since 1 July heating degree days 2967 3530  
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 64    
Maximum Humidity 78    
Minimum Humidity 49    
Precipitation  
Precipitation 0.00 in 0.03 in 0.40 in (1900)
Month to date precipitation T 0.24  
Year to date precipitation T 0.24  
Snow  
Snow 0.00 in 0.30 in 2.10 in (2009)
Month to date snowfall T 2.8  
Since 1 July snowfall 5.4 16.8  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 15 mph (WSW)    
Max Wind Speed 24 mph    
Max Gust Speed 30 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Jan. 09, 2012 Rise Set
Actual Time 7:44 AM CST 4:56 PM CST
Civil Twilight 7:12 AM CST 5:28 PM CST
Nautical Twilight 6:37 AM CST 6:03 PM CST
Astronomical Twilight 6:02 AM CST 6:38 PM CST
Moon 5:45 PM CST (1/9) 7:44 AM CST (1/9)
Length of Visible Light 10h 15m
Length of Day
9h 11m
Full, 100% of the Moon is Illuminated
Jan 9
Full
Jan 16
Last Quarter
Jan 23
New
Jan 30
First Quarter
Feb 7
Full

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 30.9 °F 21.2 °F 23.0 °F 72% 30.17 in 10.0 mi SW 12.7 mph - N/A   Clear
1:53 AM 30.9 °F 21.2 °F 23.0 °F 72% 30.16 in 10.0 mi SW 12.7 mph - N/A   Clear
2:53 AM 32.0 °F 21.2 °F 23.0 °F 69% 30.14 in 10.0 mi SW 16.1 mph 24.2 mph N/A   Clear
3:53 AM 32.0 °F 21.6 °F 24.1 °F 73% 30.12 in 10.0 mi SW 15.0 mph - N/A   Clear
4:53 AM 30.0 °F 19.1 °F 24.1 °F 79% 30.10 in 10.0 mi SW 15.0 mph - N/A   Clear
5:53 AM 30.9 °F 19.1 °F 24.1 °F 76% 30.06 in 10.0 mi SW 18.4 mph 25.3 mph N/A   Clear
6:53 AM 30.0 °F 18.3 °F 24.1 °F 79% 30.08 in 10.0 mi WSW 17.3 mph - N/A   Clear
7:53 AM 28.0 °F 17.0 °F 23.0 °F 81% 30.07 in 10.0 mi WSW 13.8 mph - N/A   Clear
8:53 AM 30.0 °F 18.7 °F 24.1 °F 79% 30.05 in 10.0 mi WSW 16.1 mph 24.2 mph N/A   Clear
9:53 AM 33.8 °F 23.2 °F 24.8 °F 70% 30.02 in 10.0 mi WSW 17.3 mph 24.2 mph N/A   Clear
10:53 AM 37.9 °F 28.2 °F 26.1 °F 62% 30.02 in 10.0 mi WSW 18.4 mph - N/A   Clear
11:53 AM 42.1 °F 33.3 °F 26.1 °F 53% 30.00 in 10.0 mi WSW 19.6 mph - N/A   Clear
12:53 PM 44.1 °F 35.0 °F 27.0 °F 51% 29.98 in 10.0 mi West 24.2 mph 29.9 mph N/A   Clear
1:53 PM 46.0 °F 39.3 °F 28.9 °F 51% 29.96 in 10.0 mi West 16.1 mph 27.6 mph N/A   Clear
2:53 PM 46.9 °F - 30.0 °F 52% 29.97 in 10.0 mi West 18.4 mph 26.5 mph N/A   Clear
3:53 PM 46.9 °F - 30.9 °F 54% 29.98 in 10.0 mi West 15.0 mph - N/A   Clear
4:53 PM 43.0 °F 36.4 °F 30.0 °F 60% 29.99 in 10.0 mi West 12.7 mph - N/A   Clear
5:53 PM 42.1 °F 34.9 °F 30.9 °F 65% 30.00 in 10.0 mi West 13.8 mph - N/A   Clear
6:53 PM 39.9 °F 32.5 °F 30.0 °F 68% 30.02 in 10.0 mi WSW 12.7 mph - N/A   Clear
7:53 PM 39.0 °F 32.3 °F 28.0 °F 65% 30.04 in 10.0 mi WSW 10.4 mph - N/A   Clear
8:53 PM 37.0 °F 29.8 °F 27.0 °F 67% 30.05 in 10.0 mi WSW 10.4 mph - N/A   Clear
9:53 PM 37.0 °F 28.5 °F 27.0 °F 67% 30.04 in 10.0 mi West 13.8 mph - N/A   Clear
10:53 PM 36.0 °F 28.0 °F 27.0 °F 70% 30.03 in 10.0 mi West 11.5 mph - N/A   Clear
11:53 PM 33.1 °F 26.1 °F 26.1 °F 75% 30.01 in 10.0 mi West 8.1 mph - N/A   Clear