Weather History for Ontario, CA

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Wednesday, January 8, 2014

  Actual Average Record
Temperature  
Mean Temperature 55 °F 54 °F  
Max Temperature 68 °F 65 °F 87 °F (2007)
Min Temperature 41 °F 44 °F 33 °F (2000)
Degree Days  
Heating Degree Days 10 11  
Month to date heating degree days 48 88  
Since 1 July heating degree days 470 648  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 31 °F    
Average Humidity 48    
Maximum Humidity 77    
Minimum Humidity 18    
Precipitation  
Precipitation 0.00 in 0.13 in 0.67 in (2005)
Month to date precipitation 0.00 1.05  
Year to date precipitation 0.00 1.05  
Since 1 July precipitation 0.92 5.71  
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 2 mph (West)    
Max Wind Speed 7 mph    
Max Gust Speed 10 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jan. 08, 2014 Rise Set
Actual Time 6:56 AM PST 4:57 PM PST
Civil Twilight 6:29 AM PST 5:25 PM PST
Nautical Twilight 5:58 AM PST 5:56 PM PST
Astronomical Twilight 5:27 AM PST 6:26 PM PST
Moon 11:45 AM PST (1/8) 12:16 AM PST (1/8)
Length of Visible Light 10h 56m
Length of Day
10h 01m
First Quarter, 57% of the Moon is Illuminated
Jan 8
First Quarter
Jan 15
Full
Jan 23
Last Quarter
Jan 30
New
Feb 6
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 48.0 °F - 28.0 °F 46% 30.07 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:53 AM 48.9 °F - 26.1 °F 41% 30.07 in 10.0 mi NNE 3.5 mph - N/A   Mostly Cloudy
2:53 AM 46.9 °F - 27.0 °F 46% 30.07 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:53 AM 45.0 °F - 27.0 °F 49% 30.06 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:53 AM 45.0 °F 43.5 °F 26.1 °F 48% 30.04 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
5:53 AM 46.0 °F - 26.1 °F 46% 30.05 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:53 AM 44.1 °F - 26.1 °F 49% 30.06 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 AM 45.0 °F - 27.0 °F 49% 30.08 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 AM 52.0 °F - 25.0 °F 35% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
9:53 AM 57.0 °F - 21.9 °F 26% 30.13 in 10.0 mi South 3.5 mph - N/A   Overcast
10:53 AM 59.0 °F - 25.0 °F 27% 30.11 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
11:53 AM 61.0 °F - 27.0 °F 27% 30.07 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:53 PM 64.0 °F - 25.0 °F 23% 30.03 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:53 PM 66.0 °F - 21.9 °F 19% 30.00 in 10.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
2:53 PM 66.9 °F - 21.9 °F 18% 30.00 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
3:53 PM 68.0 °F - 28.9 °F 23% 30.01 in 9.0 mi West 8.1 mph - N/A   Scattered Clouds
4:53 PM 63.0 °F - 33.1 °F 33% 30.02 in 8.0 mi West 4.6 mph - N/A   Scattered Clouds
5:53 PM 60.1 °F - 46.0 °F 60% 30.03 in 10.0 mi WSW 5.8 mph - N/A   Scattered Clouds
6:53 PM 55.9 °F - 46.0 °F 69% 30.04 in 9.0 mi West 4.6 mph - N/A   Scattered Clouds
7:53 PM 55.0 °F - 46.9 °F 74% 30.06 in 9.0 mi Calm Calm - N/A   Scattered Clouds
8:53 PM 54.0 °F - 46.0 °F 75% 30.06 in 8.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
9:53 PM 53.1 °F - 45.0 °F 74% 30.08 in 8.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
10:53 PM 51.1 °F - 39.0 °F 63% 30.08 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
11:53 PM 50.0 °F - 42.1 °F 74% 30.07 in 8.0 mi Calm Calm - N/A   Mostly Cloudy