Weather History for Dayton, OH

Change the Weather History Date:

Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 29 °F 28 °F  
Max Temperature 33 °F 35 °F 67 °F (1951)
Min Temperature 24 °F 21 °F -6 °F (1976)
Degree Days  
Heating Degree Days 36 37  
Month to date heating degree days 819 1048  
Since 1 July heating degree days 2034 2159  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1264 891  
Moisture  
Dew Point 27 °F    
Average Humidity 81    
Maximum Humidity 92    
Minimum Humidity 69    
Precipitation  
Precipitation 0.01 in 0.10 in 1.24 in (1947)
Month to date precipitation 3.77 3.12  
Year to date precipitation 32.59 41.05  
Snow  
Snow 0.20 in 0.20 in 6.00 in (1897)
Month to date snowfall 10.9 4.5  
Since 1 July snowfall 11.8 5.5  
Snow Depth 5.00 in    
Sea Level Pressure  
Sea Level Pressure 30.14 in    
Wind  
Wind Speed 12 mph (SW)    
Max Wind Speed 20 mph    
Max Gust Speed 24 mph    
Visibility 5 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Dec. 31, 2012 Rise Set
Actual Time 7:58 AM EST 5:22 PM EST
Civil Twilight 7:28 AM EST 5:52 PM EST
Nautical Twilight 6:54 AM EST 6:26 PM EST
Astronomical Twilight 6:21 AM EST 6:59 PM EST
Moon 8:51 PM EST (12/31) 9:39 AM EST (12/31)
Length of Visible Light 10h 24m
Length of Day
9h 23m
Waning Gibbous, 90% of the Moon is Illuminated
Dec 31
Waning Gibbous
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
12:56 AM 24.1 °F 13.7 °F 19.9 °F 84% 30.30 in 8.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
1:56 AM 24.1 °F 13.7 °F 19.9 °F 84% 30.28 in 8.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
2:56 AM 25.0 °F 14.8 °F 19.9 °F 81% 30.28 in 8.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
3:56 AM 24.1 °F 12.0 °F 19.9 °F 84% 30.27 in 8.0 mi SSW 13.8 mph - N/A   Scattered Clouds
4:56 AM 25.0 °F 13.1 °F 21.0 °F 85% 30.25 in 9.0 mi SSW 13.8 mph - N/A   Scattered Clouds
5:56 AM 26.1 °F 15.0 °F 21.0 °F 81% 30.24 in 9.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
6:56 AM 27.0 °F 16.1 °F 21.9 °F 81% 30.22 in 10.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
7:56 AM 28.0 °F 18.1 °F 21.9 °F 78% 30.21 in 10.0 mi SSW 11.5 mph - N/A   Mostly Cloudy
8:56 AM 30.0 °F 18.3 °F 21.9 °F 72% 30.20 in 10.0 mi SW 17.3 mph - N/A   Overcast
9:56 AM 30.9 °F 19.1 °F 23.0 °F 72% 30.19 in 10.0 mi SSW 18.4 mph - N/A   Overcast
10:56 AM 32.0 °F 21.2 °F 24.1 °F 73% 30.20 in 10.0 mi SW 16.1 mph - N/A   Overcast
11:56 AM 33.1 °F 23.4 °F 24.1 °F 70% 30.18 in 10.0 mi SW 13.8 mph - N/A   Overcast
12:56 PM 32.0 °F 22.1 °F 27.0 °F 82% 30.15 in 3.0 mi SSW 13.8 mph - 0.00 in Snow Light Snow
1:11 PM 32.0 °F 22.1 °F 26.6 °F 80% 30.10 in 2.5 mi SSW 13.8 mph - 0.00 in Snow Light Snow
1:36 PM 32.0 °F 25.6 °F 28.4 °F 87% 30.07 in 5.0 mi SW 6.9 mph - 0.00 in Snow Light Snow
1:56 PM 33.1 °F 24.9 °F 27.0 °F 78% 30.11 in 5.0 mi SW 10.4 mph - 0.00 in Snow Light Snow
2:10 PM 33.8 °F 23.9 °F 26.6 °F 75% 30.07 in 2.0 mi SW 15.0 mph - 0.00 in Snow Light Snow
2:12 PM 33.8 °F 24.8 °F 26.6 °F 75% 30.08 in 1.5 mi SW 12.7 mph - 0.00 in Snow Light Snow
2:29 PM 32.0 °F 21.6 °F 28.4 °F 87% 30.08 in 1.2 mi SW 15.0 mph - 0.00 in Snow Light Snow
2:50 PM 32.0 °F 20.8 °F 30.2 °F 93% 30.09 in 1.0 mi WSW 17.3 mph - 0.00 in Snow Light Snow
2:56 PM 32.0 °F 21.2 °F 30.0 °F 92% 30.12 in 1.0 mi WSW 16.1 mph - 0.01 in Snow Light Snow
3:09 PM 32.0 °F 22.1 °F 30.2 °F 93% 30.08 in 1.8 mi SW 13.8 mph - 0.00 in Snow Light Snow
3:18 PM 32.0 °F 23.0 °F 30.2 °F 93% 30.09 in 3.0 mi SW 11.5 mph - 0.00 in Snow Light Snow
3:44 PM 32.0 °F 23.0 °F 30.2 °F 93% 30.09 in 7.0 mi SW 11.5 mph - 0.00 in   Overcast
3:56 PM 32.0 °F 23.0 °F 30.0 °F 92% 30.13 in 4.0 mi SW 11.5 mph - 0.00 in Snow Light Snow
4:17 PM 32.0 °F 22.5 °F 30.2 °F 93% 30.09 in 3.0 mi SW 12.7 mph - 0.00 in Snow Light Snow
4:56 PM 32.0 °F 22.5 °F 30.0 °F 92% 30.12 in 3.0 mi SW 12.7 mph - 0.00 in Snow Light Snow
5:11 PM 32.0 °F 23.0 °F 30.2 °F 93% 30.08 in 2.5 mi SW 11.5 mph - 0.00 in Snow Light Snow
5:32 PM 32.0 °F 23.6 °F 30.2 °F 93% 30.08 in 3.0 mi SW 10.4 mph - 0.00 in Snow Light Snow
5:56 PM 32.0 °F 23.6 °F 30.2 °F 93% 30.07 in 6.0 mi SW 10.4 mph - N/A   Overcast
6:56 PM 32.0 °F 23.0 °F 30.0 °F 92% 30.11 in 6.0 mi SSW 11.5 mph - N/A   Overcast
7:23 PM 32.0 °F 23.0 °F 30.2 °F 93% 30.06 in 6.0 mi SSW 11.5 mph - N/A   Overcast
7:56 PM 33.8 °F 25.3 °F 30.2 °F 87% 30.06 in 5.0 mi SW 11.5 mph - N/A   Overcast
8:19 PM 32.0 °F 24.2 °F 30.2 °F 93% 30.07 in 2.5 mi WSW 9.2 mph - 0.00 in Snow Light Snow
8:47 PM 32.0 °F 24.2 °F 30.2 °F 93% 30.07 in 3.0 mi SW 9.2 mph - 0.00 in Snow Light Snow
8:56 PM 32.0 °F 23.6 °F 30.9 °F 96% 30.09 in 3.0 mi SW 10.4 mph - 0.00 in Snow Light Snow
9:56 PM 33.1 °F 24.4 °F 30.9 °F 92% 30.08 in 8.0 mi SW 11.5 mph - 0.00 in   Overcast
10:56 PM 32.0 °F 23.6 °F 30.9 °F 96% 30.08 in 7.0 mi SW 10.4 mph - 0.00 in   Overcast
11:48 PM 32.0 °F 24.2 °F 30.2 °F 93% 30.05 in 1.8 mi WSW 9.2 mph - 0.00 in Snow Light Snow
11:56 PM 32.0 °F 25.6 °F 30.9 °F 96% 30.08 in 1.5 mi WSW 6.9 mph - 0.00 in Snow Light Snow