Weather History for Dayton, OH

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Wednesday, December 19, 2012

  Actual Average Record
Temperature  
Mean Temperature 39 °F 30 °F  
Max Temperature 45 °F 37 °F 60 °F (1895)
Min Temperature 33 °F 23 °F -7 °F (1963)
Degree Days  
Heating Degree Days 26 35  
Month to date heating degree days 398 613  
Since 1 July heating degree days 1613 1724  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1264 891  
Moisture  
Dew Point 35 °F    
Average Humidity 81    
Maximum Humidity 92    
Minimum Humidity 70    
Precipitation  
Precipitation 0.00 in 0.09 in 1.55 in (2008)
Month to date precipitation 1.91 1.89  
Year to date precipitation 30.73 39.82  
Snow  
Snow 0.00 in 0.20 in 5.40 in (1995)
Month to date snowfall T 2.3  
Since 1 July snowfall 0.9 3.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 8 mph (West)    
Max Wind Speed 22 mph    
Max Gust Speed 26 mph    
Visibility 6 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 19, 2012 Rise Set
Actual Time 7:54 AM EST 5:14 PM EST
Civil Twilight 7:23 AM EST 5:45 PM EST
Nautical Twilight 6:49 AM EST 6:19 PM EST
Astronomical Twilight 6:16 AM EST 6:52 PM EST
Moon 12:03 PM EST (12/19) No Moon Set
Length of Visible Light 10h 21m
Length of Day
9h 20m
Waxing Crescent, 45% of the Moon is Illuminated
Dec 19
Waxing Crescent
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 41.0 °F 32.8 °F 34.0 °F 76% 29.78 in 10.0 mi SW 16.1 mph - N/A   Partly Cloudy
1:56 AM 39.0 °F 32.3 °F 34.0 °F 82% 29.80 in 10.0 mi WSW 10.4 mph - N/A   Partly Cloudy
2:19 AM 41.0 °F 33.9 °F 35.6 °F 81% 29.80 in 10.0 mi WSW 12.7 mph - N/A   Mostly Cloudy
2:56 AM 42.1 °F 33.9 °F 36.0 °F 79% 29.84 in 10.0 mi West 17.3 mph - N/A   Overcast
3:56 AM 39.9 °F 31.4 °F 35.1 °F 83% 29.88 in 7.0 mi West 16.1 mph - N/A   Overcast
4:03 AM 39.2 °F 31.6 °F 35.6 °F 87% 29.86 in 6.0 mi West 12.7 mph 20.7 mph N/A   Haze
4:56 AM 39.9 °F 32.5 °F 35.1 °F 83% 29.91 in 5.0 mi West 12.7 mph - N/A   Haze
5:52 AM 39.2 °F 32.0 °F 35.6 °F 87% 29.92 in 5.0 mi West 11.5 mph - N/A   Overcast
5:56 AM 39.0 °F 31.8 °F 35.1 °F 86% 29.94 in 5.0 mi West 11.5 mph - N/A   Overcast
6:56 AM 35.1 °F 29.3 °F 33.1 °F 92% 29.98 in 5.0 mi West 6.9 mph - N/A   Mostly Cloudy
7:56 AM 35.1 °F 28.6 °F 32.0 °F 89% 30.00 in 4.0 mi West 8.1 mph - N/A   Mostly Cloudy
8:56 AM 36.0 °F 32.1 °F 34.0 °F 93% 30.03 in 4.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
9:56 AM 39.9 °F 35.8 °F 35.1 °F 83% 30.06 in 5.0 mi West 5.8 mph - N/A   Haze
10:56 AM 41.0 °F 37.1 °F 35.1 °F 79% 30.07 in 5.0 mi WNW 5.8 mph - N/A   Haze
11:45 AM 42.8 °F - 35.6 °F 76% 30.06 in 5.0 mi Calm Calm - N/A   Haze
11:56 AM 42.1 °F 40.2 °F 36.0 °F 79% 30.07 in 5.0 mi NW 3.5 mph - N/A   Haze
12:14 PM 42.8 °F - 35.6 °F 76% 30.06 in 5.0 mi Calm Calm - N/A   Haze
12:56 PM 43.0 °F - 36.0 °F 76% 30.07 in 5.0 mi Calm Calm - N/A   Haze
1:56 PM 43.0 °F - 36.0 °F 76% 30.08 in 6.0 mi Calm Calm - N/A   Haze
2:56 PM 44.1 °F - 36.0 °F 73% 30.07 in 6.0 mi Calm Calm - N/A   Haze
3:18 PM 44.6 °F - 35.6 °F 71% 30.06 in 6.0 mi Calm Calm - N/A   Haze
3:43 PM 44.6 °F 42.2 °F 35.6 °F 71% 30.06 in 6.0 mi ENE 4.6 mph - N/A   Haze
3:56 PM 44.1 °F 41.5 °F 37.0 °F 76% 30.08 in 6.0 mi NE 4.6 mph - N/A   Haze
4:56 PM 42.1 °F 37.7 °F 36.0 °F 79% 30.09 in 5.0 mi NE 6.9 mph - N/A   Haze
5:56 PM 39.9 °F 35.1 °F 36.0 °F 86% 30.09 in 6.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
6:56 PM 41.0 °F 37.1 °F 36.0 °F 82% 30.11 in 6.0 mi East 5.8 mph - N/A   Haze
7:56 PM 41.0 °F 36.4 °F 36.0 °F 82% 30.10 in 6.0 mi ESE 6.9 mph - N/A   Haze
8:56 PM 42.1 °F 36.1 °F 36.0 °F 79% 30.08 in 6.0 mi ESE 10.4 mph - N/A   Haze
9:56 PM 42.1 °F 35.7 °F 36.0 °F 79% 30.06 in 7.0 mi ESE 11.5 mph - N/A   Overcast
10:56 PM 42.1 °F 34.5 °F 35.1 °F 76% 30.03 in 7.0 mi ESE 15.0 mph - N/A   Overcast
11:56 PM 42.1 °F 35.7 °F 35.1 °F 76% 30.01 in 7.0 mi ESE 11.5 mph - N/A   Overcast