Weather History for Dayton, OH

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Tuesday, December 11, 2012

  Actual Average Record
Temperature  
Mean Temperature 30 °F 32 °F  
Max Temperature 33 °F 39 °F 67 °F (1931)
Min Temperature 27 °F 25 °F -8 °F (1917)
Degree Days  
Heating Degree Days 35 33  
Month to date heating degree days 203 340  
Since 1 July heating degree days 1418 1451  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1264 891  
Moisture  
Dew Point 25 °F    
Average Humidity 77    
Maximum Humidity 92    
Minimum Humidity 61    
Precipitation  
Precipitation T in 0.10 in 1.50 in (1899)
Month to date precipitation 1.76 1.14  
Year to date precipitation 30.58 39.07  
Snow  
Snow T in 0.10 in 5.40 in (1960)
Month to date snowfall T 1.1  
Since 1 July snowfall 0.9 2.1  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 9 mph (WSW)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 9 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 11, 2012 Rise Set
Actual Time 7:48 AM EST 5:12 PM EST
Civil Twilight 7:18 AM EST 5:42 PM EST
Nautical Twilight 6:44 AM EST 6:16 PM EST
Astronomical Twilight 6:11 AM EST 6:49 PM EST
Moon 5:42 AM EST (12/11) 3:50 PM EST (12/11)
Length of Visible Light 10h 24m
Length of Day
9h 23m
Waning Crescent, 4% of the Moon is Illuminated
Dec 11
Waning Crescent
Dec 13
New
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter

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 32.0 °F 23.0 °F 30.0 °F 92% 29.94 in 6.0 mi West 11.5 mph - N/A   Overcast
1:56 AM 32.0 °F 23.6 °F 30.0 °F 92% 29.95 in 7.0 mi West 10.4 mph - N/A   Overcast
2:40 AM 32.0 °F 24.2 °F 30.2 °F 93% 29.94 in 7.0 mi West 9.2 mph - N/A   Overcast
2:56 AM 32.0 °F 22.5 °F 28.9 °F 88% 29.97 in 8.0 mi West 12.7 mph - N/A   Overcast
3:56 AM 32.0 °F 24.2 °F 30.0 °F 92% 29.99 in 8.0 mi West 9.2 mph - N/A   Overcast
4:56 AM 32.0 °F 22.5 °F 28.9 °F 88% 30.01 in 7.0 mi WNW 12.7 mph - N/A   Overcast
5:56 AM 32.0 °F 23.6 °F 28.9 °F 88% 30.02 in 4.0 mi West 10.4 mph - 0.00 in Snow Light Snow
6:37 AM 32.0 °F 24.2 °F 28.4 °F 87% 30.00 in 6.0 mi West 9.2 mph - 0.00 in   Overcast
6:56 AM 32.0 °F 23.6 °F 28.0 °F 85% 30.04 in 7.0 mi WNW 10.4 mph - 0.00 in   Overcast
7:56 AM 30.9 °F 22.8 °F 27.0 °F 85% 30.07 in 10.0 mi West 9.2 mph - 0.00 in   Overcast
8:09 AM 32.0 °F 23.0 °F 26.6 °F 80% 30.04 in 9.0 mi WNW 11.5 mph - N/A   Overcast
8:56 AM 30.9 °F 23.5 °F 26.1 °F 82% 30.09 in 9.0 mi West 8.1 mph - N/A   Overcast
9:56 AM 32.0 °F 24.8 °F 25.0 °F 75% 30.12 in 10.0 mi West 8.1 mph - N/A   Overcast
10:56 AM 32.0 °F 25.6 °F 25.0 °F 75% 30.14 in 10.0 mi West 6.9 mph - N/A   Overcast
11:14 AM 32.0 °F 25.6 °F 24.8 °F 75% 30.11 in 10.0 mi WSW 6.9 mph - N/A   Overcast
11:33 AM 32.0 °F 24.2 °F 24.8 °F 75% 30.11 in 10.0 mi West 9.2 mph - N/A   Overcast
11:56 AM 32.0 °F 24.8 °F 26.6 °F 80% 30.11 in 10.0 mi West 8.1 mph - N/A   Overcast
12:56 PM 33.1 °F 24.9 °F 24.1 °F 70% 30.13 in 10.0 mi SW 10.4 mph - N/A   Overcast
1:07 PM 33.8 °F 25.3 °F 24.8 °F 70% 30.10 in 10.0 mi SW 11.5 mph - N/A   Overcast
1:56 PM 33.1 °F 23.9 °F 23.0 °F 66% 30.14 in 10.0 mi SW 12.7 mph - N/A   Overcast
2:56 PM 33.1 °F 23.9 °F 21.9 °F 64% 30.14 in 10.0 mi SW 12.7 mph - N/A   Mostly Cloudy
3:42 PM 32.0 °F 23.6 °F 21.2 °F 64% 30.11 in 10.0 mi SW 10.4 mph - N/A   Overcast
3:56 PM 32.0 °F 23.6 °F 21.9 °F 66% 30.15 in 10.0 mi SW 10.4 mph - N/A   Mostly Cloudy
4:48 PM 30.2 °F 21.9 °F 21.2 °F 69% 30.14 in 10.0 mi SW 9.2 mph - N/A   Scattered Clouds
4:56 PM 30.9 °F 23.5 °F 21.0 °F 67% 30.17 in 10.0 mi SW 8.1 mph - N/A   Scattered Clouds
5:56 PM 28.0 °F 21.7 °F 21.0 °F 75% 30.18 in 10.0 mi SW 5.8 mph - N/A   Partly Cloudy
6:56 PM 28.9 °F 22.8 °F 21.0 °F 72% 30.19 in 10.0 mi SSW 5.8 mph - N/A   Partly Cloudy
7:56 PM 28.9 °F 21.9 °F 21.0 °F 72% 30.21 in 10.0 mi SSW 6.9 mph - N/A   Clear
8:56 PM 28.0 °F 20.8 °F 21.0 °F 75% 30.22 in 10.0 mi SSW 6.9 mph - N/A   Clear
9:56 PM 28.0 °F 20.8 °F 21.0 °F 75% 30.23 in 10.0 mi South 6.9 mph - N/A   Clear
10:56 PM 28.0 °F 20.0 °F 21.9 °F 78% 30.25 in 9.0 mi South 8.1 mph - N/A   Clear
11:56 PM 27.0 °F 19.5 °F 21.9 °F 81% 30.26 in 9.0 mi SSW 6.9 mph - N/A   Clear