Weather History for Dayton, OH

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Saturday, December 22, 2012

  Actual Average Record
Temperature  
Mean Temperature 27 °F 29 °F  
Max Temperature 30 °F 36 °F 62 °F (1941)
Min Temperature 24 °F 23 °F -20 °F (1989)
Degree Days  
Heating Degree Days 38 36  
Month to date heating degree days 494 719  
Since 1 July heating degree days 1709 1830  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1264 891  
Moisture  
Dew Point 21 °F    
Average Humidity 74    
Maximum Humidity 85    
Minimum Humidity 63    
Precipitation  
Precipitation 0.00 in 0.11 in 1.34 in (1981)
Month to date precipitation 2.81 2.20  
Year to date precipitation 31.63 40.13  
Snow  
Snow 0.00 in 0.20 in 13.40 in (1981)
Month to date snowfall 1.4 2.8  
Since 1 July snowfall 2.3 3.8  
Snow Depth 1.00 in    
Sea Level Pressure  
Sea Level Pressure 30.15 in    
Wind  
Wind Speed 12 mph (WSW)    
Max Wind Speed 23 mph    
Max Gust Speed 31 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 22, 2012 Rise Set
Actual Time 7:55 AM EST 5:15 PM EST
Civil Twilight 7:25 AM EST 5:46 PM EST
Nautical Twilight 6:51 AM EST 6:20 PM EST
Astronomical Twilight 6:18 AM EST 6:53 PM EST
Moon 1:32 PM EST (12/22) 2:40 AM EST (12/22)
Length of Visible Light 10h 21m
Length of Day
9h 20m
Waxing Gibbous, 73% of the Moon is Illuminated
Dec 22
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First 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 28.0 °F 14.6 °F 23.0 °F 81% 30.05 in 10.0 mi West 20.7 mph 29.9 mph N/A   Overcast
1:56 AM 28.0 °F 14.9 °F 23.0 °F 81% 30.08 in 10.0 mi West 19.6 mph 25.3 mph N/A   Overcast
2:56 AM 27.0 °F 14.3 °F 23.0 °F 85% 30.11 in 10.0 mi West 17.3 mph - N/A   Overcast
3:12 AM 26.6 °F 14.3 °F 23.0 °F 86% 30.08 in 10.0 mi West 16.1 mph - N/A   Overcast
3:56 AM 27.0 °F 15.2 °F 23.0 °F 85% 30.13 in 10.0 mi West 15.0 mph 23.0 mph N/A   Overcast
4:56 AM 27.0 °F 14.3 °F 23.0 °F 85% 30.13 in 10.0 mi West 17.3 mph - N/A   Overcast
5:56 AM 27.0 °F 15.6 °F 21.9 °F 81% 30.16 in 10.0 mi West 13.8 mph - N/A   Overcast
6:56 AM 27.0 °F 15.6 °F 21.9 °F 81% 30.16 in 10.0 mi West 13.8 mph - N/A   Overcast
7:56 AM 27.0 °F 15.2 °F 21.9 °F 81% 30.18 in 10.0 mi West 15.0 mph - N/A   Overcast
8:56 AM 27.0 °F 15.2 °F 21.9 °F 81% 30.21 in 10.0 mi West 15.0 mph - N/A   Overcast
9:56 AM 26.1 °F 13.1 °F 21.0 °F 81% 30.25 in 10.0 mi West 17.3 mph 28.8 mph N/A   Overcast
10:56 AM 26.1 °F 13.6 °F 19.9 °F 78% 30.24 in 10.0 mi West 16.1 mph - N/A   Overcast
11:56 AM 25.0 °F 12.6 °F 19.0 °F 78% 30.23 in 10.0 mi West 15.0 mph - N/A   Overcast
12:56 PM 27.0 °F 17.3 °F 19.9 °F 75% 30.21 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
1:34 PM 26.6 °F 16.2 °F 19.4 °F 74% 30.17 in 10.0 mi West 11.5 mph - N/A   Scattered Clouds
1:56 PM 28.0 °F 17.0 °F 19.9 °F 72% 30.19 in 10.0 mi West 13.8 mph - N/A   Scattered Clouds
2:56 PM 30.0 °F 21.1 °F 19.9 °F 66% 30.18 in 10.0 mi WSW 10.4 mph - N/A   Scattered Clouds
3:56 PM 30.0 °F 21.1 °F 19.0 °F 64% 30.17 in 10.0 mi WSW 10.4 mph - N/A   Scattered Clouds
4:56 PM 28.9 °F 20.4 °F 19.9 °F 69% 30.16 in 10.0 mi WSW 9.2 mph - N/A   Scattered Clouds
5:56 PM 25.0 °F 17.1 °F 18.0 °F 75% 30.17 in 10.0 mi SW 6.9 mph - N/A   Partly Cloudy
6:56 PM 25.0 °F 19.3 °F 18.0 °F 75% 30.16 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
7:56 PM 26.1 °F 20.5 °F 19.0 °F 75% 30.16 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
8:56 PM 27.0 °F 21.6 °F 19.0 °F 72% 30.14 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
9:56 PM 27.0 °F 18.7 °F 19.0 °F 72% 30.11 in 10.0 mi South 8.1 mph - N/A   Partly Cloudy
10:56 PM 27.0 °F 18.7 °F 19.9 °F 75% 30.11 in 10.0 mi South 8.1 mph - N/A   Partly Cloudy
11:56 PM 27.0 °F 18.7 °F 19.9 °F 75% 30.09 in 10.0 mi South 8.1 mph - N/A   Partly Cloudy