Weather History for Dayton, OH

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Monday, April 30, 2012

  Actual Average Record
Temperature  
Mean Temperature 66 °F 57 °F  
Max Temperature 80 °F 67 °F 90 °F (1899)
Min Temperature 52 °F 46 °F 33 °F (1963)
Degree Days  
Heating Degree Days 0 9  
Month to date heating degree days 394 412  
Since 1 July heating degree days 4545 5451  
Cooling Degree Days 1 1  
Month to date cooling degree days 4 10  
Year to date cooling degree days 34 10  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 63    
Maximum Humidity 93    
Minimum Humidity 33    
Precipitation  
Precipitation 0.54 in 0.14 in 1.51 in (1983)
Month to date precipitation 2.17 4.09  
Year to date precipitation 10.83 12.38  
Snow  
Snow 0.00 in 0.00 in 0.00 in ()
Month to date snowfall 0.0 0.6  
Since 1 July snowfall 9.2 23.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 10 mph (SSW)    
Max Wind Speed 22 mph    
Max Gust Speed 26 mph    
Visibility 8 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Apr. 30, 2012 Rise Set
Actual Time 6:37 AM EDT 8:30 PM EDT
Civil Twilight 6:08 AM EDT 9:00 PM EDT
Nautical Twilight 5:33 AM EDT 9:35 PM EDT
Astronomical Twilight 4:54 AM EDT 10:14 PM EDT
Moon 2:27 PM EDT (4/30) 3:01 AM EDT (4/30)
Length of Visible Light 14h 51m
Length of Day
13h 53m
Waxing Gibbous, 63% of the Moon is Illuminated
Apr 30
Waxing Gibbous
May 5
Full
May 12
Last Quarter
May 20
New
May 28
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 57.9 °F 30.9 °F 36% 30.14 in 10.0 mi East 13.8 mph - N/A   Mostly Cloudy
1:56 AM 57.0 °F 28.9 °F 34% 30.12 in 10.0 mi ESE 12.7 mph - N/A   Overcast
2:56 AM 57.0 °F 30.0 °F 36% 30.10 in 10.0 mi ESE 12.7 mph - N/A   Overcast
3:56 AM 57.0 °F 30.9 °F 37% 30.08 in 10.0 mi ESE 11.5 mph - N/A   Overcast
4:56 AM 55.9 °F 33.1 °F 42% 30.07 in 10.0 mi SE 10.4 mph - 0.00 in   Overcast
5:56 AM 54.0 °F 34.0 °F 47% 30.08 in 10.0 mi SE 8.1 mph - N/A   Mostly Cloudy
6:56 AM 53.1 °F 35.1 °F 50% 30.08 in 10.0 mi SE 6.9 mph - N/A   Mostly Cloudy
7:56 AM 55.9 °F 36.0 °F 47% 30.08 in 10.0 mi SSE 9.2 mph - N/A   Mostly Cloudy
8:56 AM 60.1 °F 42.1 °F 51% 30.08 in 10.0 mi South 9.2 mph - N/A   Overcast
9:56 AM 64.9 °F 50.0 °F 58% 30.05 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
10:56 AM 71.1 °F 55.9 °F 59% 30.04 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
11:56 AM 75.0 °F 59.0 °F 57% 30.01 in 10.0 mi WSW 13.8 mph - N/A   Mostly Cloudy
12:56 PM 77.0 °F 60.1 °F 56% 29.99 in 10.0 mi SSW 11.5 mph - N/A   Mostly Cloudy
1:56 PM 77.0 °F 60.1 °F 56% 29.98 in 10.0 mi SW 13.8 mph - N/A   Mostly Cloudy
2:56 PM 78.1 °F 59.0 °F 52% 29.96 in 10.0 mi SW 13.8 mph 23.0 mph N/A   Overcast
3:56 PM 79.0 °F 59.0 °F 50% 29.93 in 10.0 mi SW 15.0 mph 21.9 mph N/A   Overcast
4:56 PM 79.0 °F 57.0 °F 47% 29.91 in 10.0 mi SW 15.0 mph - N/A   Mostly Cloudy
5:56 PM 78.1 °F 57.0 °F 48% 29.91 in 10.0 mi SW 9.2 mph - N/A   Overcast
6:56 PM 78.1 °F 55.0 °F 45% 29.90 in 10.0 mi SW 13.8 mph - N/A   Overcast
7:56 PM 69.8 °F 60.8 °F 73% 29.93 in 6.0 mi WSW 12.7 mph 23.0 mph N/A Rain Light Rain
8:25 PM 64.4 °F 62.6 °F 94% 29.97 in 1.8 mi NW 15.0 mph - 0.09 in Rain Heavy Rain
8:33 PM 62.6 °F 62.6 °F 100% 29.97 in 2.0 mi WNW 8.1 mph - 0.20 in Rain , Thunderstorm Heavy Thunderstorms and Rain
8:42 PM 62.6 °F 60.8 °F 94% 29.97 in 5.0 mi West 5.8 mph - 0.23 in Rain , Thunderstorm Thunderstorms and Rain
8:50 PM 62.6 °F 60.8 °F 94% 29.96 in 5.0 mi WNW 5.8 mph - 0.24 in Rain Rain
8:56 PM 63.0 °F 61.0 °F 93% 29.95 in 5.0 mi NW 4.6 mph - 0.25 in Rain Light Rain
9:38 PM 62.6 °F 60.8 °F 94% 29.97 in 1.8 mi West 5.8 mph - 0.03 in Rain Heavy Rain
9:45 PM 62.6 °F 60.8 °F 94% 29.98 in 1.0 mi SW 4.6 mph - N/A Rain Heavy Rain
9:56 PM 63.0 °F 61.0 °F 93% 29.96 in 1.0 mi South 3.5 mph - 0.27 in Rain Rain
10:03 PM 62.6 °F 60.8 °F 94% 29.96 in 7.0 mi South 4.6 mph - 0.00 in Rain Light Rain
10:13 PM 62.6 °F 60.8 °F 94% 29.96 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
11:43 PM 62.6 °F 60.8 °F 94% 29.97 in 7.0 mi WSW 6.9 mph - 0.00 in   Overcast
11:51 PM 62.6 °F 60.8 °F 94% 29.97 in 7.0 mi WSW 6.9 mph - 0.00 in   Overcast
11:56 PM 63.0 °F 61.0 °F 93% 29.95 in 7.0 mi SW 6.9 mph - 0.00 in   Overcast