Weather History for Dayton, OH

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Monday, May 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 76 °F 63 °F  
Max Temperature 84 °F 73 °F 91 °F (1911)
Min Temperature 68 °F 53 °F 37 °F (1894)
Degree Days  
Heating Degree Days 0 5  
Month to date heating degree days 74 131  
Since 1 July heating degree days 5413 5582  
Cooling Degree Days 11 2  
Month to date cooling degree days 51 28  
Year to date cooling degree days 67 38  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 67 °F    
Average Humidity 76    
Maximum Humidity 97    
Minimum Humidity 55    
Precipitation  
Precipitation 0.00 in 0.15 in 1.75 in (1984)
Month to date precipitation 1.71 2.99  
Year to date precipitation 13.02 15.37  
Snow  
Snow 0.00 in 0.00 in 0.00 in ()
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 36.3 23.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.95 in    
Wind  
Wind Speed 10 mph (SSW)    
Max Wind Speed 22 mph    
Max Gust Speed 28 mph    
Visibility 8 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

May. 20, 2013 Rise Set
Actual Time 6:17 AM EDT 8:49 PM EDT
Civil Twilight 5:46 AM EDT 9:21 PM EDT
Nautical Twilight 5:07 AM EDT 9:59 PM EDT
Astronomical Twilight 4:24 AM EDT 10:43 PM EDT
Moon 3:56 PM EDT (5/20) 3:11 AM EDT (5/20)
Length of Visible Light 15h 34m
Length of Day
14h 32m
Waxing Gibbous, 75% of the Moon is Illuminated
May 20
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 70.0 °F - 64.9 °F 84% 29.95 in 10.0 mi SSE 6.9 mph - N/A   Clear
1:56 AM 70.0 °F - 64.9 °F 84% 29.93 in 10.0 mi SSE 6.9 mph - N/A   Scattered Clouds
2:56 AM 70.0 °F - 64.9 °F 84% 29.94 in 10.0 mi South 6.9 mph - N/A   Clear
3:56 AM 70.0 °F - 66.0 °F 87% 29.94 in 10.0 mi South 5.8 mph - N/A   Clear
4:56 AM 70.0 °F - 68.0 °F 93% 29.93 in 10.0 mi South 8.1 mph - N/A   Partly Cloudy
5:56 AM 70.0 °F - 68.0 °F 93% 29.95 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
6:44 AM 69.8 °F - 68.0 °F 94% 29.97 in 3.0 mi South 5.8 mph - N/A   Overcast
6:49 AM 69.8 °F - 68.0 °F 94% 29.97 in 3.0 mi South 8.1 mph - N/A   Mostly Cloudy
6:56 AM 70.0 °F - 68.0 °F 93% 29.95 in 3.0 mi South 5.8 mph - N/A   Mostly Cloudy
7:56 AM 71.1 °F - 69.1 °F 93% 29.97 in 3.0 mi South 10.4 mph - N/A   Overcast
8:56 AM 72.0 °F - 68.0 °F 87% 29.99 in 3.0 mi SW 9.2 mph - N/A   Mostly Cloudy
9:12 AM 73.4 °F - 69.8 °F 88% 30.01 in 3.0 mi SSW 6.9 mph - N/A   Scattered Clouds
9:24 AM 73.4 °F - 69.8 °F 88% 30.02 in 3.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
9:56 AM 73.9 °F - 68.0 °F 82% 30.01 in 3.0 mi SSW 9.2 mph - N/A   Haze
10:56 AM 75.0 °F - 68.0 °F 79% 29.99 in 7.0 mi SSW 6.9 mph - N/A   Overcast
11:53 AM 77.0 °F - 69.8 °F 78% 29.99 in 7.0 mi South 10.4 mph - N/A   Scattered Clouds
11:56 AM 78.1 °F - 69.1 °F 74% 29.97 in 7.0 mi South 11.5 mph - N/A   Scattered Clouds
12:56 PM 80.1 °F 82.9 °F 69.1 °F 69% 29.97 in 10.0 mi SSW 13.8 mph 18.4 mph N/A   Mostly Cloudy
1:16 PM 80.6 °F 83.2 °F 68.0 °F 65% 29.99 in 10.0 mi SSW 17.3 mph 20.7 mph N/A   Scattered Clouds
1:56 PM 81.0 °F 83.8 °F 68.0 °F 65% 29.97 in 10.0 mi SW 11.5 mph 18.4 mph N/A   Scattered Clouds
2:56 PM 82.9 °F 85.4 °F 66.9 °F 58% 29.94 in 10.0 mi South 12.7 mph 21.9 mph N/A   Scattered Clouds
3:56 PM 82.9 °F 85.4 °F 66.9 °F 58% 29.93 in 10.0 mi SSW 16.1 mph 21.9 mph N/A   Scattered Clouds
4:56 PM 84.0 °F 86.3 °F 66.0 °F 55% 29.91 in 10.0 mi SSW 16.1 mph 25.3 mph N/A   Scattered Clouds
5:56 PM 84.0 °F 86.3 °F 66.0 °F 55% 29.91 in 10.0 mi SSW 12.7 mph - N/A   Scattered Clouds
6:56 PM 82.9 °F 84.4 °F 64.0 °F 53% 29.90 in 10.0 mi SW 18.4 mph 25.3 mph N/A   Scattered Clouds
7:56 PM 81.0 °F 82.5 °F 64.0 °F 56% 29.90 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
8:56 PM 79.0 °F - 64.0 °F 60% 29.89 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
9:56 PM 78.1 °F - 64.9 °F 64% 29.88 in 10.0 mi South 9.2 mph - N/A   Scattered Clouds
10:56 PM 75.9 °F - 66.0 °F 71% 29.88 in 10.0 mi South 9.2 mph - N/A   Clear
11:56 PM 75.9 °F - 66.9 °F 74% 29.90 in 10.0 mi South 10.4 mph - N/A   Clear