Weather History for Dayton, OH

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Thursday, January 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 32 °F 27 °F  
Max Temperature 41 °F 35 °F 63 °F (1952)
Min Temperature 23 °F 20 °F -21 °F (1977)
Degree Days  
Heating Degree Days 33 38  
Month to date heating degree days 544 640  
Since 1 July heating degree days 2578 2799  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 24 °F    
Average Humidity 72    
Maximum Humidity 85    
Minimum Humidity 59    
Precipitation  
Precipitation 0.00 in 0.09 in 1.17 in (1932)
Month to date precipitation 1.43 1.58  
Year to date precipitation 1.43 1.58  
Snow  
Snow 0.00 in 0.30 in 4.90 in (1978)
Month to date snowfall 0.3 4.3  
Since 1 July snowfall 12.1 9.8  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.20 in    
Wind  
Wind Speed 10 mph (WNW)    
Max Wind Speed 20 mph    
Max Gust Speed 25 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 17, 2013 Rise Set
Actual Time 7:55 AM EST 5:38 PM EST
Civil Twilight 7:26 AM EST 6:08 PM EST
Nautical Twilight 6:52 AM EST 6:41 PM EST
Astronomical Twilight 6:20 AM EST 7:14 PM EST
Moon 11:02 AM EST (1/17) No Moon Set
Length of Visible Light 10h 42m
Length of Day
9h 43m
Waxing Crescent, 37% of the Moon is Illuminated
Jan 17
Waxing Crescent
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New

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 23.6 °F 23.0 °F 69% 30.11 in 10.0 mi WSW 10.4 mph - N/A   Overcast
1:56 AM 30.9 °F 23.5 °F 23.0 °F 72% 30.12 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
2:29 AM 30.2 °F 24.3 °F 23.0 °F 75% 30.10 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
2:47 AM 30.2 °F 23.4 °F 24.8 °F 80% 30.11 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
2:56 AM 32.0 °F 26.4 °F 24.1 °F 73% 30.12 in 10.0 mi WSW 5.8 mph - N/A   Overcast
3:56 AM 30.9 °F 24.3 °F 24.1 °F 76% 30.13 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
4:56 AM 30.0 °F 23.2 °F 24.1 °F 79% 30.15 in 10.0 mi SW 6.9 mph - N/A   Overcast
5:56 AM 28.0 °F 21.7 °F 24.1 °F 85% 30.16 in 9.0 mi West 5.8 mph - N/A   Overcast
6:56 AM 28.4 °F 23.3 °F 24.8 °F 86% 30.15 in 8.0 mi WSW 4.6 mph - N/A   Overcast
7:13 AM 28.4 °F 22.2 °F 24.8 °F 86% 30.14 in 8.0 mi WNW 5.8 mph - N/A   Overcast
7:56 AM 28.9 °F 23.9 °F 25.0 °F 85% 30.20 in 8.0 mi NW 4.6 mph - N/A   Overcast
8:41 AM 32.0 °F 24.8 °F 26.6 °F 80% 30.19 in 7.0 mi NW 8.1 mph - N/A   Overcast
8:56 AM 32.0 °F 25.6 °F 26.1 °F 79% 30.22 in 7.0 mi NW 6.9 mph - N/A   Overcast
9:43 AM 33.8 °F 27.7 °F 26.6 °F 75% 30.21 in 7.0 mi NW 6.9 mph - N/A   Overcast
9:56 AM 33.1 °F 28.7 °F 27.0 °F 78% 30.24 in 7.0 mi NW 4.6 mph - N/A   Overcast
10:56 AM 34.0 °F 28.0 °F 27.0 °F 75% 30.24 in 7.0 mi NW 6.9 mph - N/A   Mostly Cloudy
11:56 AM 37.0 °F 32.4 °F 28.9 °F 73% 30.22 in 7.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
12:56 PM 39.0 °F 32.3 °F 28.9 °F 67% 30.17 in 8.0 mi NNW 10.4 mph - N/A   Mostly Cloudy
1:56 PM 41.0 °F 33.9 °F 28.9 °F 62% 30.14 in 10.0 mi North 12.7 mph 19.6 mph N/A   Mostly Cloudy
2:56 PM 39.9 °F 31.4 °F 28.0 °F 63% 30.17 in 10.0 mi NNW 16.1 mph - N/A   Scattered Clouds
3:56 PM 37.9 °F 29.6 °F 27.0 °F 65% 30.17 in 10.0 mi NW 13.8 mph - N/A   Scattered Clouds
4:56 PM 37.0 °F 28.5 °F 27.0 °F 67% 30.18 in 10.0 mi NNW 13.8 mph - N/A   Scattered Clouds
5:56 PM 35.1 °F 26.4 °F 23.0 °F 61% 30.25 in 10.0 mi NNW 12.7 mph - N/A   Scattered Clouds
6:56 PM 32.0 °F 24.8 °F 23.0 °F 69% 30.28 in 10.0 mi NW 8.1 mph - N/A   Partly Cloudy
7:56 PM 32.0 °F 22.1 °F 21.0 °F 64% 30.32 in 10.0 mi NNW 13.8 mph - N/A   Clear
8:56 PM 28.9 °F 18.2 °F 21.0 °F 72% 30.34 in 10.0 mi NNW 13.8 mph - N/A   Clear
9:56 PM 27.0 °F 15.6 °F 19.0 °F 72% 30.36 in 10.0 mi NW 13.8 mph - N/A   Clear
10:56 PM 25.0 °F 14.2 °F 16.0 °F 69% 30.38 in 10.0 mi NNW 11.5 mph - N/A   Clear
11:56 PM 23.0 °F 12.4 °F 16.0 °F 74% 30.41 in 10.0 mi NNW 10.4 mph - N/A   Clear