Weather History for Ontario, CA

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Saturday, May 25, 2013

  Actual Average Record
Temperature  
Mean Temperature 67 °F 68 °F  
Max Temperature 78 °F 80 °F 88 °F (2006)
Min Temperature 56 °F 56 °F 48 °F (2010)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 9 33  
Since 1 July heating degree days 1271 1526  
Cooling Degree Days 2 4  
Month to date cooling degree days 160 82  
Year to date cooling degree days 256 141  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 56    
Maximum Humidity 83    
Minimum Humidity 28    
Precipitation  
Precipitation 0.00 in 0.01 in 0.00 in (2014)
Month to date precipitation 0.37 0.28  
Year to date precipitation 2.79 10.24  
Since 1 July precipitation 5.56 14.90  
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 29.97 in    
Wind  
Wind Speed 6 mph (WSW)    
Max Wind Speed 15 mph    
Max Gust Speed 21 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

May. 25, 2013 Rise Set
Actual Time 5:42 AM PDT 7:52 PM PDT
Civil Twilight 5:14 AM PDT 8:20 PM PDT
Nautical Twilight 4:39 AM PDT 8:55 PM PDT
Astronomical Twilight 4:02 AM PDT 9:33 PM PDT
Moon 8:45 PM PDT (5/25) 6:13 AM PDT (5/25)
Length of Visible Light 15h 06m
Length of Day
14h 09m
Waxing Gibbous, 99% of the Moon is Illuminated
May 25
Waxing Gibbous
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Jun 23
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 57.0 °F 50.0 °F 77% 29.97 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
1:53 AM 55.9 °F 50.0 °F 80% 29.95 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
2:53 AM 57.0 °F 51.1 °F 81% 29.95 in 8.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
3:31 AM 57.2 °F 51.8 °F 82% 29.97 in 8.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
3:53 AM 57.0 °F 50.0 °F 77% 29.94 in 8.0 mi SW 6.9 mph - N/A   Overcast
4:53 AM 57.0 °F 50.0 °F 77% 29.95 in 8.0 mi SW 5.8 mph - N/A   Overcast
5:26 AM 57.2 °F 50.0 °F 77% 29.98 in 9.0 mi West 3.5 mph - N/A   Overcast
5:53 AM 57.0 °F 50.0 °F 77% 29.96 in 9.0 mi West 6.9 mph - N/A   Overcast
6:53 AM 57.0 °F 50.0 °F 77% 29.97 in 7.0 mi Calm Calm - N/A   Overcast
7:53 AM 57.9 °F 48.9 °F 72% 29.99 in 6.0 mi South 3.5 mph - N/A   Haze
8:53 AM 57.9 °F 48.9 °F 72% 30.00 in 7.0 mi SSW 3.5 mph - N/A   Overcast
9:53 AM 59.0 °F 48.9 °F 69% 30.01 in 6.0 mi SSW 4.6 mph - N/A   Haze
10:53 AM 63.0 °F 48.9 °F 60% 30.01 in 6.0 mi South 3.5 mph - N/A   Haze
11:09 AM 62.6 °F 48.2 °F 59% 30.03 in 10.0 mi SE 3.5 mph - N/A   Scattered Clouds
11:53 AM 68.0 °F 44.1 °F 42% 30.01 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
12:53 PM 72.0 °F 41.0 °F 33% 29.99 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
1:53 PM 75.0 °F 43.0 °F 32% 29.98 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
2:53 PM 77.0 °F 42.1 °F 29% 29.95 in 10.0 mi West 12.7 mph 17.3 mph N/A   Scattered Clouds
3:53 PM 77.0 °F 42.1 °F 29% 29.94 in 10.0 mi WSW 10.4 mph - N/A   Scattered Clouds
4:53 PM 78.1 °F 43.0 °F 29% 29.93 in 10.0 mi West 13.8 mph - N/A   Scattered Clouds
5:53 PM 75.0 °F 45.0 °F 34% 29.93 in 10.0 mi WSW 13.8 mph 20.7 mph N/A   Scattered Clouds
6:53 PM 72.0 °F 48.0 °F 43% 29.94 in 10.0 mi WSW 13.8 mph - N/A   Scattered Clouds
7:53 PM 66.9 °F 51.1 °F 57% 29.94 in 10.0 mi WSW 11.5 mph - N/A   Partly Cloudy
8:53 PM 64.0 °F 52.0 °F 65% 29.96 in 10.0 mi WSW 10.4 mph - N/A   Partly Cloudy
9:53 PM 62.1 °F 52.0 °F 70% 29.97 in 10.0 mi WSW 9.2 mph - N/A   Partly Cloudy
10:53 PM 60.1 °F 52.0 °F 75% 29.99 in 9.0 mi WSW 9.2 mph - N/A   Clear
11:53 PM 59.0 °F 52.0 °F 78% 29.98 in 9.0 mi WSW 5.8 mph - N/A   Partly Cloudy