Weather History for Dayton, OH

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Saturday, December 29, 2012

  Actual Average Record
Temperature  
Mean Temperature 28 °F 28 °F  
Max Temperature 31 °F 35 °F 62 °F (1984)
Min Temperature 25 °F 21 °F -5 °F (1983)
Degree Days  
Heating Degree Days 37 37  
Month to date heating degree days 741 974  
Since 1 July heating degree days 1956 2085  
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 91    
Maximum Humidity 100    
Minimum Humidity 81    
Precipitation  
Precipitation 0.18 in 0.10 in 0.80 in (1984)
Month to date precipitation 3.76 2.92  
Year to date precipitation 32.58 40.85  
Snow  
Snow 2.30 in 0.20 in 3.30 in (1902)
Month to date snowfall 10.7 4.1  
Since 1 July snowfall 11.6 5.1  
Snow Depth 6.00 in    
Sea Level Pressure  
Sea Level Pressure 29.89 in    
Wind  
Wind Speed 12 mph (NW)    
Max Wind Speed 23 mph    
Max Gust Speed 30 mph    
Visibility 2 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 29, 2012 Rise Set
Actual Time 7:58 AM EST 5:20 PM EST
Civil Twilight 7:27 AM EST 5:50 PM EST
Nautical Twilight 6:53 AM EST 6:24 PM EST
Astronomical Twilight 6:20 AM EST 6:57 PM EST
Moon 6:52 PM EST (12/29) 8:31 AM EST (12/29)
Length of Visible Light 10h 23m
Length of Day
9h 22m
Full, 98% of the Moon is Illuminated
Dec 29
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:12 AM 28.4 °F 21.2 °F 26.6 °F 93% 29.84 in 1.2 mi East 6.9 mph - 0.01 in Snow Light Snow
12:46 AM 28.4 °F 21.2 °F 26.6 °F 93% 29.81 in 0.8 mi East 6.9 mph - 0.03 in Snow Light Snow
12:56 AM 28.0 °F 19.3 °F 27.0 °F 96% 29.81 in 0.8 mi ENE 9.2 mph - 0.03 in Snow Light Snow
1:23 AM 28.4 °F 20.4 °F 26.6 °F 93% 29.78 in 1.0 mi East 8.1 mph - 0.02 in Snow Light Snow
1:56 AM 28.9 °F 21.1 °F 27.0 °F 92% 29.81 in 2.5 mi ENE 8.1 mph - 0.03 in Snow Light Snow
2:30 AM 28.4 °F 20.4 °F 28.4 °F 100% 29.77 in 4.0 mi East 8.1 mph - 0.00 in Snow Light Snow
2:56 AM 28.9 °F 21.9 °F 28.0 °F 96% 29.81 in 3.0 mi East 6.9 mph - 0.00 in Snow Light Snow
3:10 AM 28.4 °F 23.3 °F 26.6 °F 93% 29.76 in 1.2 mi ENE 4.6 mph - 0.01 in Snow Light Snow
3:56 AM 28.9 °F 25.2 °F 28.0 °F 96% 29.78 in 1.2 mi North 3.5 mph - 0.02 in Snow Light Snow
4:32 AM 28.4 °F 22.2 °F 28.4 °F 100% 29.74 in 2.0 mi NNW 5.8 mph - 0.01 in Snow Light Snow
4:56 AM 28.9 °F 22.8 °F 27.0 °F 92% 29.76 in 2.0 mi NNW 5.8 mph - 0.02 in Snow Light Snow
5:25 AM 28.4 °F 20.4 °F 28.4 °F 100% 29.73 in 1.5 mi NNW 8.1 mph - 0.01 in Snow Light Snow
5:49 AM 28.4 °F 20.4 °F 26.6 °F 93% 29.74 in 2.0 mi NNW 8.1 mph - 0.02 in Snow Light Snow
5:56 AM 28.0 °F 20.0 °F 27.0 °F 96% 29.77 in 2.0 mi NNW 8.1 mph - 0.02 in Snow Light Snow
6:13 AM 28.4 °F 20.4 °F 26.6 °F 93% 29.73 in 1.0 mi NNW 8.1 mph - 0.00 in Snow Light Snow
6:37 AM 28.4 °F 19.7 °F 26.6 °F 93% 29.74 in 0.8 mi NNW 9.2 mph - 0.02 in Snow Light Snow
6:56 AM 27.0 °F 17.3 °F 26.1 °F 96% 29.78 in 0.8 mi NNW 10.4 mph - 0.03 in Snow Light Snow
7:11 AM 26.6 °F 17.5 °F 26.6 °F 100% 29.75 in 1.0 mi NNW 9.2 mph - 0.01 in Snow Light Snow
7:56 AM 26.6 °F 17.5 °F 26.6 °F 100% 29.76 in 1.5 mi NNW 9.2 mph - N/A Snow Light Snow
8:21 AM 26.6 °F 18.2 °F 24.8 °F 93% 29.77 in 1.2 mi NNW 8.1 mph - 0.00 in Snow Light Snow
8:42 AM 26.6 °F 18.2 °F 24.8 °F 93% 29.78 in 1.5 mi NNW 8.1 mph - 0.00 in   Overcast
8:48 AM 26.6 °F 17.5 °F 24.8 °F 93% 29.77 in 1.8 mi NNW 9.2 mph - 0.00 in   Overcast
8:54 AM 26.6 °F 16.8 °F 24.8 °F 93% 29.77 in 2.0 mi NNW 10.4 mph - 0.00 in   Overcast
8:56 AM 27.0 °F 17.3 °F 25.0 °F 92% 29.81 in 2.0 mi NNW 10.4 mph - 0.00 in   Overcast
9:13 AM 26.6 °F 14.3 °F 24.8 °F 93% 29.79 in 1.8 mi NNW 16.1 mph - N/A   Overcast
9:56 AM 27.0 °F 15.2 °F 24.1 °F 89% 29.85 in 1.8 mi NNW 15.0 mph - 0.00 in   Overcast
10:56 AM 27.0 °F 18.0 °F 24.1 °F 89% 29.88 in 1.8 mi NW 9.2 mph - N/A   Overcast
11:42 AM 28.4 °F 17.5 °F 24.8 °F 86% 29.86 in 1.8 mi NW 13.8 mph - N/A   Overcast
11:44 AM 28.4 °F 18.5 °F 24.8 °F 86% 29.86 in 2.0 mi NW 11.5 mph - N/A   Overcast
11:56 AM 28.0 °F 18.6 °F 25.0 °F 88% 29.90 in 2.0 mi WNW 10.4 mph - N/A   Overcast
12:33 PM 28.4 °F 18.5 °F 24.8 °F 86% 29.86 in 2.0 mi WNW 11.5 mph - N/A   Overcast
12:56 PM 28.9 °F 18.6 °F 25.0 °F 85% 29.89 in 2.0 mi WNW 12.7 mph - N/A   Overcast
1:56 PM 28.9 °F 18.6 °F 26.1 °F 89% 29.90 in 2.0 mi WNW 12.7 mph - N/A   Overcast
2:45 PM 30.2 °F 20.2 °F 26.6 °F 86% 29.88 in 2.0 mi WNW 12.7 mph - N/A   Overcast
2:56 PM 30.0 °F 20.5 °F 26.1 °F 85% 29.91 in 2.0 mi WNW 11.5 mph - N/A   Overcast
3:50 PM 30.2 °F 21.9 °F 26.6 °F 86% 29.91 in 1.5 mi West 9.2 mph - 0.00 in Snow Light Snow
3:56 PM 30.0 °F 21.7 °F 27.0 °F 88% 29.94 in 1.5 mi West 9.2 mph - 0.01 in Snow Light Snow
4:56 PM 30.0 °F 21.7 °F 28.0 °F 92% 29.96 in 1.8 mi West 9.2 mph - 0.00 in Snow Light Snow
5:32 PM 30.2 °F 19.8 °F 26.6 °F 86% 29.96 in 2.0 mi West 13.8 mph - 0.00 in Snow Light Snow
5:48 PM 28.4 °F 16.2 °F 24.8 °F 86% 29.96 in 2.5 mi West 17.3 mph 28.8 mph 0.00 in Snow Light Snow
5:56 PM 28.0 °F 15.3 °F 25.0 °F 88% 30.00 in 2.5 mi West 18.4 mph 23.0 mph 0.00 in Snow Light Snow
6:56 PM 27.0 °F 13.9 °F 23.0 °F 85% 30.05 in 5.0 mi West 18.4 mph 26.5 mph 0.00 in Snow Light Snow
7:19 PM 26.6 °F 12.4 °F 23.0 °F 86% 30.02 in 4.0 mi West 21.9 mph 27.6 mph 0.00 in Snow Light Snow
7:34 PM 26.6 °F 13.4 °F 21.2 °F 80% 30.03 in 3.0 mi West 18.4 mph 26.5 mph 0.00 in Snow Light Snow
7:56 PM 26.1 °F 12.7 °F 21.9 °F 84% 30.07 in 4.0 mi WNW 18.4 mph 26.5 mph 0.00 in Snow Light Snow
8:24 PM 26.6 °F 13.8 °F 21.2 °F 80% 30.05 in 4.0 mi West 17.3 mph 25.3 mph 0.00 in Snow Light Snow
8:56 PM 25.0 °F 11.3 °F 21.9 °F 88% 30.10 in 4.0 mi West 18.4 mph 26.5 mph 0.00 in Snow Light Snow
9:07 PM 24.8 °F 10.7 °F 21.2 °F 86% 30.07 in 4.0 mi West 19.6 mph 29.9 mph 0.00 in Snow Light Snow
9:25 PM 24.8 °F 10.7 °F 21.2 °F 86% 30.07 in 5.0 mi West 19.6 mph 25.3 mph 0.00 in Snow Light Snow
9:56 PM 25.0 °F 11.3 °F 21.0 °F 85% 30.13 in 4.0 mi West 18.4 mph 27.6 mph 0.00 in Snow Light Snow
10:20 PM 24.8 °F 10.7 °F 21.2 °F 86% 30.10 in 4.0 mi West 19.6 mph - 0.00 in Snow Light Snow
10:56 PM 25.0 °F 12.6 °F 21.0 °F 85% 30.16 in 4.0 mi West 15.0 mph - 0.00 in Snow Light Snow
11:56 PM 25.0 °F 10.9 °F 21.0 °F 85% 30.19 in 4.0 mi West 19.6 mph 27.6 mph 0.00 in Snow Light Snow