Weather History for Dayton, OH

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Friday, December 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 30 °F 30 °F  
Max Temperature 32 °F 36 °F 65 °F (1967)
Min Temperature 28 °F 23 °F -15 °F (1989)
Degree Days  
Heating Degree Days 35 35  
Month to date heating degree days 456 683  
Since 1 July heating degree days 1671 1794  
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 85    
Maximum Humidity 92    
Minimum Humidity 78    
Precipitation  
Precipitation 0.10 in 0.10 in 2.46 in (2013)
Month to date precipitation 2.81 2.09  
Year to date precipitation 31.63 40.02  
Snow  
Snow 1.40 in 0.10 in 5.60 in (1981)
Month to date snowfall 1.4 2.6  
Since 1 July snowfall 2.3 3.6  
Snow Depth 1.00 in    
Sea Level Pressure  
Sea Level Pressure 29.65 in    
Wind  
Wind Speed 27 mph (West)    
Max Wind Speed 38 mph    
Max Gust Speed 49 mph    
Visibility 5 miles    
Events Rain , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 21, 2012 Rise Set
Actual Time 7:55 AM EST 5:15 PM EST
Civil Twilight 7:24 AM EST 5:45 PM EST
Nautical Twilight 6:50 AM EST 6:20 PM EST
Astronomical Twilight 6:17 AM EST 6:52 PM EST
Moon 1:01 PM EST (12/21) 1:41 AM EST (12/21)
Length of Visible Light 10h 21m
Length of Day
9h 20m
Waxing Gibbous, 64% of the Moon is Illuminated
Dec 21
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 30.9 °F 16.7 °F 27.0 °F 85% 29.43 in 5.0 mi SW 27.6 mph 44.9 mph 0.00 in Snow Light Snow
1:56 AM 30.9 °F 15.5 °F 26.1 °F 82% 29.45 in 7.0 mi WSW 33.4 mph 48.3 mph 0.00 in Snow Light Snow
2:56 AM 30.9 °F 16.2 °F 26.1 °F 82% 29.47 in 5.0 mi WSW 29.9 mph 41.4 mph 0.00 in Snow Light Snow
3:26 AM 30.2 °F 14.7 °F 26.6 °F 86% 29.46 in 2.5 mi WSW 32.2 mph 39.1 mph 0.00 in Snow Light Snow
3:56 AM 28.9 °F 13.5 °F 26.1 °F 89% 29.48 in 2.5 mi WSW 29.9 mph 38.0 mph 0.00 in Snow Light Snow
4:03 AM 28.4 °F 12.7 °F 26.6 °F 93% 29.46 in 2.0 mi WSW 29.9 mph 39.1 mph 0.00 in Snow Light Snow
4:20 AM 28.4 °F 12.7 °F 26.6 °F 93% 29.46 in 3.0 mi WSW 29.9 mph 39.1 mph 0.00 in Snow Light Snow
4:34 AM 28.4 °F 12.5 °F 24.8 °F 86% 29.46 in 2.5 mi WSW 31.1 mph 47.2 mph 0.00 in Snow Light Snow
4:49 AM 28.4 °F 12.3 °F 24.8 °F 86% 29.46 in 1.5 mi WSW 32.2 mph 42.6 mph 0.00 in Snow Light Snow
4:56 AM 28.0 °F 13.0 °F 25.0 °F 88% 29.47 in 1.2 mi WSW 26.5 mph 41.4 mph 0.00 in Snow Light Snow
5:06 AM 28.4 °F 13.0 °F 24.8 °F 86% 29.46 in 1.2 mi WSW 28.8 mph 42.6 mph 0.00 in Snow Light Snow
5:20 AM 28.4 °F 12.5 °F 24.8 °F 86% 29.46 in 2.0 mi WSW 31.1 mph 41.4 mph 0.00 in Snow Light Snow
5:56 AM 28.9 °F 13.2 °F 25.0 °F 85% 29.50 in 2.5 mi WSW 31.1 mph 38.0 mph 0.00 in Snow Light Snow
6:14 AM 28.4 °F 12.7 °F 24.8 °F 86% 29.49 in 3.0 mi West 29.9 mph 39.1 mph 0.00 in Snow Light Snow
6:38 AM 28.4 °F 12.3 °F 24.8 °F 86% 29.50 in 2.0 mi West 32.2 mph 42.6 mph 0.00 in Snow Light Snow
6:43 AM 28.4 °F 12.7 °F 24.8 °F 86% 29.50 in 1.0 mi West 29.9 mph 42.6 mph 0.00 in Snow Light Snow
6:56 AM 28.9 °F 13.7 °F 26.1 °F 89% 29.53 in 1.0 mi West 28.8 mph 36.8 mph 0.00 in Snow Light Snow
7:01 AM 28.4 °F 13.0 °F 26.6 °F 93% 29.51 in 0.8 mi West 28.8 mph 36.8 mph 0.00 in Snow Light Snow
7:13 AM 28.4 °F 13.0 °F 26.6 °F 93% 29.51 in 1.0 mi West 28.8 mph 40.3 mph 0.00 in Snow Light Snow
7:56 AM 28.9 °F 13.7 °F 26.1 °F 89% 29.56 in 1.5 mi West 28.8 mph 41.4 mph 0.00 in Snow Light Snow
8:18 AM 28.4 °F 13.0 °F 26.6 °F 93% 29.55 in 1.0 mi West 28.8 mph 41.4 mph 0.00 in Snow Light Snow
8:38 AM 28.4 °F 13.5 °F 26.6 °F 93% 29.56 in 2.5 mi West 26.5 mph 36.8 mph 0.00 in Snow Light Snow
8:45 AM 28.4 °F 13.5 °F 26.6 °F 93% 29.56 in 2.5 mi West 26.5 mph 36.8 mph 0.00 in Snow Light Snow
8:48 AM 28.4 °F 13.5 °F 26.6 °F 93% 29.57 in 3.0 mi West 26.5 mph 36.8 mph 0.00 in Snow Light Snow
8:56 AM 28.9 °F 13.7 °F 26.1 °F 89% 29.60 in 3.0 mi West 28.8 mph 39.1 mph 0.00 in   Overcast
9:08 AM 28.4 °F 12.7 °F 26.6 °F 93% 29.58 in 4.0 mi West 29.9 mph 38.0 mph 0.00 in Rain Light Freezing Rain
9:28 AM 28.4 °F 12.5 °F 26.6 °F 93% 29.59 in 5.0 mi West 31.1 mph 39.1 mph 0.00 in Snow Light Snow
9:56 AM 28.9 °F 14.3 °F 25.0 °F 85% 29.64 in 8.0 mi West 26.5 mph 40.3 mph 0.00 in   Overcast
10:10 AM 30.2 °F 15.7 °F 24.8 °F 80% 29.61 in 10.0 mi West 27.6 mph 40.3 mph N/A   Overcast
10:56 AM 30.0 °F 15.2 °F 25.0 °F 82% 29.67 in 9.0 mi West 28.8 mph 44.9 mph N/A   Overcast
11:56 AM 30.9 °F 16.9 °F 25.0 °F 79% 29.69 in 9.0 mi West 26.5 mph 40.3 mph 0.00 in Snow Light Snow
12:56 PM 30.9 °F 16.2 °F 25.0 °F 79% 29.70 in 3.0 mi West 29.9 mph 47.2 mph 0.00 in Snow Light Snow
1:10 PM 30.2 °F 15.4 °F 24.8 °F 80% 29.68 in 2.5 mi West 28.8 mph 41.4 mph 0.00 in Snow Light Snow
1:20 PM 30.2 °F 15.4 °F 24.8 °F 80% 29.68 in 4.0 mi West 28.8 mph 42.6 mph 0.00 in Snow Light Snow
1:56 PM 28.9 °F 14.0 °F 24.1 °F 82% 29.73 in 3.0 mi West 27.6 mph 38.0 mph 0.00 in Snow Light Snow
2:38 PM 28.4 °F 12.7 °F 24.8 °F 86% 29.72 in 2.0 mi West 29.9 mph 40.3 mph 0.00 in Snow Light Snow
2:56 PM 28.9 °F 13.7 °F 24.1 °F 82% 29.75 in 2.0 mi West 28.8 mph 42.6 mph 0.00 in Snow Light Snow
3:07 PM 28.4 °F 13.0 °F 24.8 °F 86% 29.73 in 1.5 mi West 28.8 mph 42.6 mph 0.00 in Snow Light Snow
3:56 PM 28.9 °F 14.5 °F 25.0 °F 85% 29.79 in 4.0 mi West 25.3 mph 40.3 mph 0.00 in Snow Light Snow
4:56 PM 28.9 °F 14.0 °F 25.0 °F 85% 29.83 in 5.0 mi West 27.6 mph 39.1 mph 0.00 in Snow Light Snow
5:23 PM 28.4 °F 13.5 °F 24.8 °F 86% 29.83 in 3.0 mi West 26.5 mph 39.1 mph 0.00 in Snow Light Snow
5:56 PM 28.0 °F 12.8 °F 24.1 °F 85% 29.88 in 9.0 mi WNW 27.6 mph 41.4 mph 0.00 in   Overcast
6:56 PM 28.9 °F 15.1 °F 24.1 °F 82% 29.92 in 10.0 mi WNW 23.0 mph 36.8 mph N/A   Overcast
7:56 PM 28.9 °F 15.1 °F 24.1 °F 82% 29.95 in 10.0 mi WNW 23.0 mph 32.2 mph N/A   Overcast
8:15 PM 28.4 °F 13.8 °F 24.8 °F 86% 29.92 in 10.0 mi WNW 25.3 mph 33.4 mph N/A   Overcast
8:56 PM 28.9 °F 14.8 °F 24.1 °F 82% 29.98 in 10.0 mi WNW 24.2 mph 32.2 mph N/A   Overcast
9:56 PM 28.9 °F 14.8 °F 24.1 °F 82% 30.00 in 10.0 mi WNW 24.2 mph 36.8 mph N/A   Overcast
10:56 PM 28.9 °F 15.1 °F 24.1 °F 82% 30.01 in 10.0 mi West 23.0 mph 34.5 mph N/A   Overcast
11:15 PM 28.4 °F 14.4 °F 24.8 °F 86% 29.99 in 10.0 mi WNW 23.0 mph 31.1 mph N/A   Overcast
11:56 PM 28.0 °F 14.9 °F 24.1 °F 85% 30.04 in 10.0 mi WNW 19.6 mph 27.6 mph N/A   Overcast