Weather History for Ontario, CA

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Thursday, August 29, 2013

  Actual Average Record
Temperature  
Mean Temperature 90 °F 79 °F  
Max Temperature 104 °F 93 °F 108 °F (2009)
Min Temperature 75 °F 65 °F 59 °F (2010)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 0 5  
Since 1 July heating degree days 0 0  
Cooling Degree Days 25 14  
Month to date cooling degree days 404 406  
Year to date cooling degree days 1426 1190  
Since 1 June cooling degree days 1135 1024  
Growing Degree Days 40 (Base 50)    
Moisture  
Dew Point 50 °F    
Average Humidity 33    
Maximum Humidity 46    
Minimum Humidity 19    
Precipitation  
Precipitation 0.00 in 0.00 in 0.01 in (2000)
Month to date precipitation T 0.13  
Year to date precipitation 2.83 10.60  
Since 1 July precipitation 0.04 0.22  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Year to date snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.85 in    
Wind  
Wind Speed 3 mph (WSW)    
Max Wind Speed 15 mph    
Max Gust Speed 22 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Aug. 29, 2013 Rise Set
Actual Time 6:22 AM PDT 7:19 PM PDT
Civil Twilight 5:56 AM PDT 7:45 PM PDT
Nautical Twilight 5:26 AM PDT 8:15 PM PDT
Astronomical Twilight 4:54 AM PDT 8:46 PM PDT
Moon 12:25 AM PDT (8/29) 2:44 PM PDT (8/29)
Length of Visible Light 13h 48m
Length of Day
12h 57m
Last Quarter, 37% of the Moon is Illuminated
Aug 29
Last Quarter
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 80.1 °F - 46.0 °F 30% 29.84 in 10.0 mi South 3.5 mph - N/A   Clear
1:53 AM 77.0 °F - 45.0 °F 32% 29.85 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 77.0 °F - 45.0 °F 32% 29.83 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 78.1 °F - 46.9 °F 33% 29.83 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 77.0 °F - 48.0 °F 36% 29.86 in 10.0 mi NE 3.5 mph - N/A   Clear
5:53 AM 78.1 °F - 54.0 °F 43% 29.85 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:53 AM 75.9 °F - 54.0 °F 46% 29.87 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:53 AM 81.0 °F - 52.0 °F 36% 29.88 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:53 AM 84.9 °F - 50.0 °F 30% 29.88 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:53 AM 88.0 °F 85.9 °F 54.0 °F 31% 29.89 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
10:53 AM 93.0 °F 91.1 °F 55.0 °F 28% 29.88 in 10.0 mi West 4.6 mph - N/A   Scattered Clouds
11:53 AM 96.1 °F 94.1 °F 55.0 °F 25% 29.86 in 10.0 mi Calm Calm - N/A   Scattered Clouds
12:53 PM 99.0 °F 96.9 °F 54.0 °F 22% 29.84 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:53 PM 100.0 °F - 51.1 °F 19% 29.83 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
2:53 PM 104.0 °F 102.9 °F 55.0 °F 20% 29.81 in 10.0 mi Variable 6.9 mph 19.6 mph N/A   Mostly Cloudy
3:53 PM 100.0 °F 97.9 °F 54.0 °F 21% 29.82 in 10.0 mi SSW 11.5 mph - N/A   Mostly Cloudy
4:53 PM 97.0 °F - 52.0 °F 22% 29.82 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
5:53 PM 96.1 °F - 52.0 °F 22% 29.83 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
6:53 PM 93.9 °F - 50.0 °F 22% 29.83 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
7:53 PM 91.9 °F - 46.0 °F 21% 29.86 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
8:53 PM 90.0 °F - 45.0 °F 21% 29.87 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
9:53 PM 88.0 °F - 46.9 °F 24% 29.88 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:53 PM 84.9 °F - 48.9 °F 29% 29.90 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 84.9 °F - 50.0 °F 30% 29.90 in 10.0 mi Calm Calm - N/A   Clear