Weather History for Dayton, OH

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Saturday, December 15, 2012

  Actual Average Record
Temperature  
Mean Temperature 45 °F 31 °F  
Max Temperature 53 °F 38 °F 63 °F (1948)
Min Temperature 37 °F 24 °F -10 °F (1901)
Degree Days  
Heating Degree Days 20 34  
Month to date heating degree days 308 474  
Since 1 July heating degree days 1523 1585  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1264 891  
Moisture  
Dew Point 35 °F    
Average Humidity 67    
Maximum Humidity 80    
Minimum Humidity 53    
Precipitation  
Precipitation 0.01 in 0.09 in 1.35 in (1975)
Month to date precipitation 1.77 1.52  
Year to date precipitation 30.59 39.45  
Snow  
Snow 0.00 in 0.20 in 4.70 in (1989)
Month to date snowfall T 1.7  
Since 1 July snowfall 0.9 2.7  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 10 mph (SSE)    
Max Wind Speed 22 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 15, 2012 Rise Set
Actual Time 7:51 AM EST 5:12 PM EST
Civil Twilight 7:21 AM EST 5:43 PM EST
Nautical Twilight 6:47 AM EST 6:17 PM EST
Astronomical Twilight 6:14 AM EST 6:50 PM EST
Moon 9:43 AM EST (12/15) 8:15 PM EST (12/15)
Length of Visible Light 10h 22m
Length of Day
9h 21m
Waxing Crescent, 8% of the Moon is Illuminated
Dec 15
Waxing Crescent
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
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 39.2 °F 34.2 °F 26.6 °F 61% 30.17 in 10.0 mi SSE 6.9 mph - N/A   Overcast
1:56 AM 39.9 °F 35.1 °F 28.0 °F 63% 30.17 in 10.0 mi SSE 6.9 mph - N/A   Overcast
2:56 AM 39.9 °F 36.7 °F 28.0 °F 63% 30.17 in 10.0 mi SSE 4.6 mph - N/A   Overcast
3:56 AM 39.9 °F 35.8 °F 28.0 °F 63% 30.15 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
4:56 AM 37.0 °F 30.4 °F 28.0 °F 70% 30.12 in 10.0 mi SE 9.2 mph - N/A   Mostly Cloudy
5:56 AM 39.9 °F 35.1 °F 28.0 °F 63% 30.10 in 10.0 mi SE 6.9 mph - N/A   Mostly Cloudy
6:56 AM 42.1 °F 37.1 °F 27.0 °F 55% 30.13 in 10.0 mi SSE 8.1 mph - N/A   Mostly Cloudy
7:56 AM 41.0 °F 35.8 °F 27.0 °F 57% 30.14 in 10.0 mi SSE 8.1 mph - N/A   Mostly Cloudy
8:56 AM 42.1 °F 36.1 °F 28.0 °F 58% 30.10 in 10.0 mi SSE 10.4 mph - 0.00 in Rain Light Rain
9:56 AM 44.1 °F 38.6 °F 30.0 °F 58% 30.03 in 10.0 mi ESE 10.4 mph - 0.00 in   Overcast
10:56 AM 45.0 °F 40.6 °F 30.9 °F 58% 30.07 in 10.0 mi South 8.1 mph - N/A   Overcast
11:56 AM 46.0 °F 42.5 °F 32.0 °F 58% 30.04 in 10.0 mi South 6.9 mph - N/A   Overcast
12:56 PM 46.0 °F 39.6 °F 37.0 °F 71% 29.94 in 9.0 mi SSE 15.0 mph - 0.01 in Rain Light Rain
1:56 PM 48.9 °F - 39.0 °F 69% 29.93 in 10.0 mi South 12.7 mph - 0.00 in   Overcast
2:56 PM 48.9 °F - 41.0 °F 74% 29.90 in 10.0 mi South 10.4 mph - 0.00 in Rain Light Rain
3:56 PM 48.9 °F - 41.0 °F 74% 29.87 in 10.0 mi SSE 12.7 mph - 0.00 in   Overcast
4:56 PM 48.9 °F - 42.1 °F 77% 29.85 in 10.0 mi SSE 12.7 mph - 0.00 in   Overcast
5:56 PM 51.1 °F - 41.0 °F 68% 29.83 in 10.0 mi South 12.7 mph - N/A   Overcast
6:56 PM 51.8 °F - 39.2 °F 62% 29.81 in 10.0 mi South 13.8 mph 21.9 mph N/A   Overcast
7:56 PM 50.0 °F - 41.0 °F 71% 29.82 in 10.0 mi SSE 8.1 mph - N/A   Overcast
8:56 PM 52.0 °F - 41.0 °F 66% 29.82 in 10.0 mi South 12.7 mph - N/A   Overcast
9:56 PM 52.0 °F - 43.0 °F 71% 29.79 in 10.0 mi South 12.7 mph - N/A   Overcast
10:56 PM 53.1 °F - 44.1 °F 71% 29.79 in 10.0 mi SSW 15.0 mph - N/A   Overcast
11:56 PM 53.1 °F - 44.1 °F 71% 29.78 in 10.0 mi South 12.7 mph - N/A   Overcast