Weather History for Ontario, CA

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Saturday, February 16, 2013

  Actual Average Record
Temperature  
Mean Temperature 63 °F 56 °F  
Max Temperature 82 °F 66 °F 83 °F (2007)
Min Temperature 43 °F 45 °F 37 °F (2008)
Degree Days  
Heating Degree Days 2 10  
Month to date heating degree days 154 161  
Since 1 July heating degree days 974 1050  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1 3  
Growing Degree Days 14 (Base 50)    
Moisture  
Dew Point 20 °F    
Average Humidity 27    
Maximum Humidity 46    
Minimum Humidity 7    
Precipitation  
Precipitation 0.00 in 0.15 in 0.93 in (2009)
Month to date precipitation 0.37 1.82  
Year to date precipitation 1.50 5.13  
Since 1 July precipitation 4.27 9.79  
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 30.06 in    
Wind  
Wind Speed 3 mph (NNE)    
Max Wind Speed 10 mph    
Max Gust Speed 16 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Feb. 16, 2013 Rise Set
Actual Time 6:33 AM PST 5:35 PM PST
Civil Twilight 6:08 AM PST 6:01 PM PST
Nautical Twilight 5:38 AM PST 6:30 PM PST
Astronomical Twilight 5:09 AM PST 6:59 PM PST
Moon 10:09 AM PST (2/16) No Moon Set
Length of Visible Light 11h 52m
Length of Day
11h 01m
Waxing Crescent, 40% of the Moon is Illuminated
Feb 16
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 48.9 °F 26.1 °F 41% 30.16 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:53 AM 48.0 °F 25.0 °F 41% 30.14 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:53 AM 46.9 °F 24.1 °F 41% 30.13 in 10.0 mi NNW 4.6 mph - N/A   Mostly Cloudy
3:53 AM 48.0 °F 24.1 °F 39% 30.13 in 10.0 mi NW 8.1 mph - N/A   Mostly Cloudy
4:53 AM 52.0 °F 21.0 °F 30% 30.13 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
5:53 AM 50.0 °F 21.0 °F 32% 30.14 in 10.0 mi NNE 3.5 mph - N/A   Scattered Clouds
6:53 AM 50.0 °F 21.0 °F 32% 30.15 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 AM 53.1 °F 26.1 °F 35% 30.17 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 AM 61.0 °F 23.0 °F 23% 30.15 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 AM 64.9 °F 21.9 °F 19% 30.16 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:53 AM 72.0 °F 19.0 °F 13% 30.14 in 10.0 mi ENE 3.5 mph - N/A   Mostly Cloudy
11:53 AM 75.9 °F 16.0 °F 10% 30.10 in 10.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
12:53 PM 79.0 °F 16.0 °F 9% 30.05 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:53 PM 80.1 °F 12.0 °F 8% 30.02 in 10.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
2:53 PM 79.0 °F 10.9 °F 8% 29.99 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:53 PM 81.0 °F 9.0 °F 6% 29.97 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:53 PM 77.0 °F 16.0 °F 10% 29.96 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
5:53 PM 71.1 °F 18.0 °F 13% 29.98 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy
6:53 PM 66.0 °F 18.0 °F 16% 29.99 in 10.0 mi WSW 6.9 mph - N/A   Clear
7:53 PM 64.9 °F 18.0 °F 16% 29.98 in 10.0 mi SSW 4.6 mph - N/A   Clear
8:53 PM 61.0 °F 21.9 °F 22% 29.99 in 10.0 mi ESE 4.6 mph - N/A   Clear
9:53 PM 57.9 °F 23.0 °F 26% 29.99 in 10.0 mi East 3.5 mph - N/A   Clear
10:53 PM 57.0 °F 23.0 °F 27% 29.97 in 10.0 mi ENE 4.6 mph - N/A   Clear
11:53 PM 54.0 °F 24.1 °F 31% 29.96 in 10.0 mi Calm Calm - N/A   Clear