Weather History for Mason City, IA

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Sunday, April 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 49 °F 49 °F  
Max Temperature 64 °F 61 °F 93 °F (1980)
Min Temperature 34 °F 37 °F 19 °F (1934)
Degree Days  
Heating Degree Days 16 16  
Month to date heating degree days 565 429  
Since 1 July heating degree days 7363 7274  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 38 °F    
Average Humidity 67    
Maximum Humidity 85    
Minimum Humidity 48    
Precipitation  
Precipitation 0.27 in 0.14 in 1.63 in (1912)
Month to date precipitation 6.73 2.51  
Year to date precipitation 11.78 6.56  
Snow  
Snow 0.00 in 0.10 in 1.20 in (1988)
Month to date snowfall 0.7 2.4  
Since 1 July snowfall 46.5 40.9  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 17 mph (South)    
Max Wind Speed 29 mph    
Max Gust Speed 36 mph    
Visibility 8 miles    
Events Rain , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Apr. 21, 2013 Rise Set
Actual Time 6:21 AM CDT 8:03 PM CDT
Civil Twilight 5:51 AM CDT 8:33 PM CDT
Nautical Twilight 5:14 AM CDT 9:10 PM CDT
Astronomical Twilight 4:35 AM CDT 9:49 PM CDT
Moon 3:43 PM CDT (4/21) 3:50 AM CDT (4/21)
Length of Visible Light 14h 42m
Length of Day
13h 42m
Waxing Gibbous, 80% of the Moon is Illuminated
Apr 21
Waxing Gibbous
Apr 25
Full
May 2
Last Quarter
May 9
New
May 17
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 33.5 °F 26.1 °F 62% 30.31 in 10.0 mi SSE 5.8 mph - N/A   Overcast
1:53 AM 39.0 °F 31.8 °F 25.0 °F 57% 30.27 in 10.0 mi ESE 11.5 mph - N/A   Overcast
2:53 AM 37.9 °F 30.5 °F 27.0 °F 65% 30.27 in 10.0 mi SE 11.5 mph - N/A   Overcast
3:53 AM 37.9 °F 29.2 °F 28.0 °F 68% 30.27 in 10.0 mi SE 15.0 mph 24.2 mph N/A   Overcast
4:03 AM 37.4 °F 28.9 °F 28.4 °F 70% 30.25 in 4.0 mi SE 13.8 mph - 0.00 in Snow Light Snow
4:24 AM 35.6 °F 26.2 °F 28.4 °F 75% 30.25 in 5.0 mi SE 15.0 mph - 0.00 in Snow Light Snow
4:53 AM 34.0 °F 24.6 °F 30.0 °F 85% 30.27 in 3.0 mi SE 13.8 mph 23.0 mph 0.02 in Snow Light Snow
5:53 AM 34.0 °F 22.7 °F 30.0 °F 85% 30.26 in 5.0 mi SE 19.6 mph 23.0 mph 0.03 in Rain Rain
6:53 AM 35.1 °F 25.9 °F 30.9 °F 85% 30.26 in 8.0 mi ESE 13.8 mph - 0.02 in   Overcast
7:53 AM 36.0 °F 26.3 °F 30.9 °F 82% 30.26 in 10.0 mi ESE 16.1 mph 23.0 mph 0.02 in   Overcast
8:53 AM 37.9 °F 27.3 °F 33.1 °F 83% 30.24 in 10.0 mi SE 21.9 mph 27.6 mph 0.00 in   Overcast
9:53 AM 39.0 °F 28.8 °F 34.0 °F 82% 30.23 in 10.0 mi SSE 21.9 mph 29.9 mph 0.00 in   Overcast
10:53 AM 41.0 °F 30.7 °F 34.0 °F 76% 30.22 in 10.0 mi SSE 25.3 mph 33.4 mph N/A   Overcast
11:53 AM 45.0 °F 36.2 °F 36.0 °F 71% 30.20 in 10.0 mi SSE 24.2 mph 33.4 mph N/A   Overcast
12:53 PM 50.0 °F - 39.0 °F 66% 30.17 in 10.0 mi SSE 19.6 mph 27.6 mph N/A   Overcast
1:53 PM 55.9 °F - 39.9 °F 55% 30.13 in 10.0 mi SSE 25.3 mph 33.4 mph N/A   Partly Cloudy
2:53 PM 60.1 °F - 42.1 °F 51% 30.09 in 10.0 mi SSE 21.9 mph 32.2 mph N/A   Clear
3:53 PM 62.1 °F - 43.0 °F 50% 30.05 in 10.0 mi SSE 24.2 mph 31.1 mph N/A   Mostly Cloudy
4:53 PM 59.0 °F - 43.0 °F 55% 30.05 in 10.0 mi South 20.7 mph 25.3 mph 0.00 in Rain Light Rain
5:12 PM 55.4 °F - 44.6 °F 67% 30.04 in 7.0 mi South 16.1 mph 31.1 mph 0.03 in Rain Light Rain
5:45 PM 51.8 °F - 46.4 °F 82% 30.07 in 10.0 mi West 16.1 mph 31.1 mph 0.03 in Rain Light Rain
5:53 PM 51.1 °F - 46.9 °F 86% 30.10 in 8.0 mi West 16.1 mph - 0.03 in Rain Light Rain
6:05 PM 51.8 °F - 46.4 °F 82% 30.09 in 2.0 mi West 11.5 mph - 0.06 in Rain Light Rain
6:13 PM 51.8 °F - 46.4 °F 82% 30.10 in 7.0 mi West 13.8 mph - 0.07 in Rain Light Rain
6:53 PM 52.0 °F - 46.9 °F 83% 30.10 in 10.0 mi West 11.5 mph - 0.07 in   Overcast
7:53 PM 51.1 °F - 46.0 °F 83% 30.10 in 7.0 mi SSW 12.7 mph - 0.01 in Rain Light Rain
8:53 PM 51.1 °F - 44.1 °F 77% 30.11 in 10.0 mi SSW 15.0 mph - 0.00 in Rain Light Rain
9:53 PM 50.0 °F - 45.0 °F 83% 30.14 in 4.0 mi SSW 15.0 mph - 0.04 in Rain Rain
10:53 PM 50.0 °F - 45.0 °F 83% 30.15 in 10.0 mi West 8.1 mph - 0.01 in   Overcast
11:36 PM 48.2 °F - 44.6 °F 87% 30.15 in 10.0 mi SW 5.8 mph - 0.00 in   Overcast
11:53 PM 48.9 °F - 45.0 °F 86% 30.16 in 6.0 mi WSW 5.8 mph - 0.01 in Rain Rain