Weather History for Dayton, OH

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Sunday, December 16, 2012

  Actual Average Record
Temperature  
Mean Temperature 49 °F 31 °F  
Max Temperature 58 °F 38 °F 65 °F (1933)
Min Temperature 40 °F 24 °F -15 °F (1951)
Degree Days  
Heating Degree Days 16 34  
Month to date heating degree days 324 508  
Since 1 July heating degree days 1539 1619  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1264 891  
Moisture  
Dew Point 47 °F    
Average Humidity 82    
Maximum Humidity 93    
Minimum Humidity 71    
Precipitation  
Precipitation 0.00 in 0.10 in 1.01 in (1996)
Month to date precipitation 1.77 1.62  
Year to date precipitation 30.59 39.55  
Snow  
Snow 0.00 in 0.10 in 1.90 in (2010)
Month to date snowfall T 1.8  
Since 1 July snowfall 0.9 2.8  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.73 in    
Wind  
Wind Speed 10 mph (SSW)    
Max Wind Speed 21 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 16, 2012 Rise Set
Actual Time 7:52 AM EST 5:13 PM EST
Civil Twilight 7:21 AM EST 5:43 PM EST
Nautical Twilight 6:47 AM EST 6:17 PM EST
Astronomical Twilight 6:14 AM EST 6:50 PM EST
Moon 10:25 AM EST (12/16) 9:26 PM EST (12/16)
Length of Visible Light 10h 22m
Length of Day
9h 21m
Waxing Crescent, 16% of the Moon is Illuminated
Dec 16
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
12:07 AM 53.6 °F - 44.6 °F 72% 29.78 in 10.0 mi South 12.7 mph - N/A   Overcast
12:56 AM 52.0 °F - 44.1 °F 74% 29.77 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
1:11 AM 51.8 °F - 44.6 °F 76% 29.76 in 10.0 mi South 12.7 mph - N/A   Scattered Clouds
1:34 AM 51.8 °F - 44.6 °F 76% 29.76 in 10.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
1:56 AM 51.1 °F - 45.0 °F 80% 29.76 in 10.0 mi SSW 11.5 mph - N/A   Mostly Cloudy
2:56 AM 51.1 °F - 46.0 °F 83% 29.76 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
3:03 AM 51.8 °F - 46.4 °F 82% 29.76 in 10.0 mi South 12.7 mph - N/A   Scattered Clouds
3:38 AM 53.6 °F - 46.4 °F 77% 29.75 in 10.0 mi South 9.2 mph - N/A   Overcast
3:56 AM 52.0 °F - 46.0 °F 80% 29.75 in 10.0 mi South 9.2 mph - N/A   Overcast
4:56 AM 52.0 °F - 46.0 °F 80% 29.74 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
5:09 AM 51.8 °F - 46.4 °F 82% 29.74 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
5:56 AM 52.0 °F - 48.0 °F 86% 29.74 in 10.0 mi South 11.5 mph - N/A   Scattered Clouds
6:10 AM 53.6 °F - 48.2 °F 82% 29.73 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
6:56 AM 52.0 °F - 48.0 °F 86% 29.73 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
7:45 AM 51.8 °F - 48.2 °F 88% 29.74 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
7:56 AM 53.1 °F - 50.0 °F 89% 29.74 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
8:56 AM 53.6 °F - 51.8 °F 94% 29.74 in 9.0 mi South 9.2 mph - N/A   Scattered Clouds
9:56 AM 55.9 °F - 52.0 °F 87% 29.74 in 8.0 mi SSW 12.7 mph - N/A   Overcast
10:03 AM 55.4 °F - 51.8 °F 88% 29.74 in 8.0 mi SSW 16.1 mph - N/A   Mostly Cloudy
10:56 AM 57.0 °F - 52.0 °F 83% 29.73 in 10.0 mi SSW 17.3 mph 24.2 mph N/A   Overcast
11:56 AM 57.9 °F - 51.1 °F 78% 29.71 in 10.0 mi SW 13.8 mph - N/A   Overcast
12:18 PM 57.2 °F - 50.0 °F 77% 29.71 in 10.0 mi SW 18.4 mph 24.2 mph N/A   Overcast
12:56 PM 57.9 °F - 50.0 °F 75% 29.69 in 10.0 mi SW 11.5 mph - N/A   Mostly Cloudy
1:56 PM 57.9 °F - 48.9 °F 72% 29.67 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
2:56 PM 57.0 °F - 48.9 °F 74% 29.65 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
3:56 PM 55.9 °F - 48.0 °F 75% 29.66 in 10.0 mi SSW 3.5 mph - N/A   Mostly Cloudy
4:56 PM 53.1 °F - 46.0 °F 77% 29.68 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
5:56 PM 50.0 °F - 46.9 °F 89% 29.69 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
6:56 PM 50.0 °F - 46.0 °F 86% 29.69 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
7:56 PM 48.9 °F - 44.1 °F 83% 29.70 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
8:56 PM 44.1 °F 39.5 °F 41.0 °F 89% 29.71 in 10.0 mi WSW 8.1 mph - N/A   Clear
9:56 PM 42.1 °F 37.1 °F 39.9 °F 92% 29.73 in 10.0 mi WSW 8.1 mph - N/A   Clear
10:56 PM 41.0 °F 36.4 °F 39.0 °F 93% 29.75 in 10.0 mi WSW 6.9 mph - N/A   Clear
11:56 PM 44.1 °F 40.8 °F 42.1 °F 93% 29.75 in 10.0 mi West 5.8 mph - N/A   Clear