Weather History for Mason City, IA

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Monday, May 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 66 °F 60 °F  
Max Temperature 73 °F 71 °F 96 °F (1934)
Min Temperature 59 °F 48 °F 28 °F (1907)
Degree Days  
Heating Degree Days 0 6  
Month to date heating degree days 221 181  
Since 1 July heating degree days 7713 7581  
Cooling Degree Days 1 1  
Month to date cooling degree days 27 12  
Year to date cooling degree days 27 17  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 74    
Maximum Humidity 90    
Minimum Humidity 57    
Precipitation  
Precipitation 0.03 in 0.15 in 2.36 in (1959)
Month to date precipitation 5.23 2.96  
Year to date precipitation 18.55 10.76  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 9.5 0.1  
Since 1 July snowfall 56.3 41.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.59 in    
Wind  
Wind Speed 15 mph (South)    
Max Wind Speed 22 mph    
Max Gust Speed 31 mph    
Visibility 10 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

May. 20, 2013 Rise Set
Actual Time 5:44 AM CDT 8:35 PM CDT
Civil Twilight 5:11 AM CDT 9:09 PM CDT
Nautical Twilight 4:29 AM CDT 9:51 PM CDT
Astronomical Twilight 3:39 AM CDT 10:41 PM CDT
Moon 3:36 PM CDT (5/20) 2:48 AM CDT (5/20)
Length of Visible Light 15h 58m
Length of Day
14h 51m
Waxing Gibbous, 75% of the Moon is Illuminated
May 20
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:12 AM 62.6 °F 60.8 °F 94% 29.66 in 4.0 mi SE 12.7 mph - 0.10 in Rain Rain
12:53 AM 62.1 °F 59.0 °F 90% 29.60 in 10.0 mi SE 10.4 mph - 0.18 in Rain Light Rain
1:24 AM 62.6 °F 60.8 °F 94% 29.62 in 10.0 mi SSE 11.5 mph - 0.01 in Rain Light Rain
1:53 AM 62.1 °F 59.0 °F 90% 29.56 in 10.0 mi SE 12.7 mph - 0.01 in   Overcast
2:15 AM 60.8 °F 59.0 °F 94% 29.58 in 10.0 mi SE 11.5 mph - N/A   Mostly Cloudy
2:53 AM 62.1 °F 59.0 °F 90% 29.55 in 10.0 mi SE 13.8 mph - N/A   Overcast
3:53 AM 60.1 °F 57.9 °F 93% 29.52 in 10.0 mi SSE 10.4 mph - N/A   Scattered Clouds
4:53 AM 60.1 °F 57.0 °F 90% 29.54 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
5:11 AM 60.8 °F 57.2 °F 88% 29.58 in 10.0 mi South 12.7 mph - N/A   Overcast
5:53 AM 60.8 °F 57.2 °F 88% 29.60 in 10.0 mi SSW 15.0 mph 24.2 mph N/A   Overcast
6:53 AM 60.8 °F 57.2 °F 88% 29.60 in 7.0 mi South 10.4 mph - N/A   Overcast
7:53 AM 61.0 °F 57.0 °F 87% 29.59 in 10.0 mi South 15.0 mph - N/A   Overcast
8:53 AM 64.4 °F 57.2 °F 77% 29.60 in 10.0 mi South 15.0 mph 24.2 mph N/A   Mostly Cloudy
9:08 AM 66.2 °F 59.0 °F 78% 29.59 in 10.0 mi South 12.7 mph 20.7 mph N/A   Scattered Clouds
9:53 AM 66.9 °F 57.9 °F 73% 29.56 in 10.0 mi South 18.4 mph 26.5 mph N/A   Clear
10:31 AM 66.2 °F 57.2 °F 73% 29.59 in 10.0 mi South 19.6 mph 26.5 mph N/A   Mostly Cloudy
10:53 AM 64.9 °F 55.9 °F 73% 29.58 in 10.0 mi SSW 21.9 mph 31.1 mph N/A   Overcast
11:53 AM 64.9 °F 57.0 °F 75% 29.61 in 10.0 mi SSW 16.1 mph 28.8 mph N/A   Overcast
12:53 PM 66.0 °F 57.0 °F 73% 29.62 in 10.0 mi SW 19.6 mph 27.6 mph N/A   Overcast
1:15 PM 66.2 °F 57.2 °F 73% 29.64 in 10.0 mi SW 18.4 mph 27.6 mph N/A   Overcast
1:51 PM 66.2 °F 57.2 °F 73% 29.66 in 10.0 mi SW 16.1 mph 26.5 mph N/A   Overcast
1:53 PM 66.0 °F 55.9 °F 70% 29.64 in 10.0 mi SW 18.4 mph 26.5 mph N/A   Overcast
2:10 PM 66.2 °F 57.2 °F 73% 29.66 in 10.0 mi SW 18.4 mph 25.3 mph N/A   Overcast
2:21 PM 66.2 °F 57.2 °F 73% 29.65 in 10.0 mi SW 20.7 mph - N/A   Overcast
2:53 PM 70.0 °F 57.0 °F 63% 29.63 in 10.0 mi SSW 18.4 mph - N/A   Mostly Cloudy
3:53 PM 72.0 °F 57.0 °F 59% 29.63 in 10.0 mi SW 16.1 mph 26.5 mph N/A   Partly Cloudy
4:53 PM 71.1 °F 55.9 °F 59% 29.62 in 10.0 mi South 13.8 mph 23.0 mph N/A   Mostly Cloudy
5:53 PM 72.0 °F 55.9 °F 57% 29.60 in 10.0 mi SSW 15.0 mph - N/A   Partly Cloudy
6:53 PM 71.1 °F 57.9 °F 63% 29.58 in 10.0 mi South 15.0 mph 21.9 mph N/A   Clear
7:53 PM 69.1 °F 57.9 °F 68% 29.56 in 10.0 mi South 10.4 mph - N/A   Clear
8:53 PM 66.2 °F 57.2 °F 73% 29.58 in 10.0 mi South 9.2 mph - N/A   Partly Cloudy
9:38 PM 60.8 °F 53.6 °F 77% 29.59 in 10.0 mi SE 24.2 mph 38.0 mph N/A Thunderstorm Mostly Cloudy
9:53 PM 63.0 °F 55.9 °F 78% 29.56 in 10.0 mi SSE 9.2 mph 20.7 mph N/A Thunderstorm Mostly Cloudy
10:05 PM 62.6 °F 57.2 °F 82% 29.59 in 10.0 mi SSE 3.5 mph - N/A   Mostly Cloudy
10:14 PM 62.6 °F 57.2 °F 82% 29.60 in 10.0 mi West 10.4 mph - N/A Thunderstorm Mostly Cloudy
10:29 PM 64.4 °F 57.2 °F 77% 29.58 in 5.0 mi Variable 3.5 mph - 0.01 in Rain Light Rain
10:43 PM 62.6 °F 57.2 °F 82% 29.58 in 10.0 mi South 5.8 mph - 0.01 in Rain , Thunderstorm Light Rain
10:53 PM 62.1 °F 57.9 °F 86% 29.55 in 10.0 mi SSE 9.2 mph - 0.02 in Rain Light Rain
11:53 PM 60.1 °F 57.0 °F 90% 29.55 in 10.0 mi South 8.1 mph - 0.00 in   Scattered Clouds