Weather History for Oakland, CA

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Tuesday, December 11, 2012

  Actual Average Record
Temperature  
Mean Temperature 52 °F 49 °F  
Max Temperature 61 °F 57 °F 71 °F (1958)
Min Temperature 43 °F 42 °F 26 °F (1972)
Degree Days  
Heating Degree Days 13 16  
Month to date heating degree days 94 167  
Since 1 July heating degree days 715 842  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 61 138  
Moisture  
Dew Point 46 °F    
Average Humidity 78    
Maximum Humidity 89    
Minimum Humidity 66    
Precipitation  
Precipitation T in 0.12 in 1.03 in (2006)
Month to date precipitation 2.11 1.12  
Year to date precipitation 19.22 18.27  
Since 1 July precipitation 7.28 5.05  
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 7 mph (West)    
Max Wind Speed 18 mph    
Max Gust Speed 22 mph    
Visibility 9 miles    
Events Fog , Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 11, 2012 Rise Set
Actual Time 7:14 AM PST 4:50 PM PST
Civil Twilight 6:45 AM PST 5:19 PM PST
Nautical Twilight 6:12 AM PST 5:52 PM PST
Astronomical Twilight 5:40 AM PST 6:24 PM PST
Moon 5:16 AM PST (12/11) 3:33 PM PST (12/11)
Length of Visible Light 10h 34m
Length of Day
9h 35m
Waning Crescent, 4% of the Moon is Illuminated
Dec 11
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last 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 - 44.1 °F 86% 30.11 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 48.0 °F - 42.1 °F 80% 30.10 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 46.9 °F - 42.1 °F 83% 30.09 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 45.0 °F 43.5 °F 41.0 °F 86% 30.09 in 10.0 mi NE 3.5 mph - N/A   Clear
4:53 AM 46.9 °F - 43.0 °F 86% 30.07 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 43.0 °F 40.3 °F 39.0 °F 86% 30.06 in 10.0 mi NE 4.6 mph - N/A   Clear
6:53 AM 45.0 °F 43.5 °F 41.0 °F 86% 30.06 in 10.0 mi ENE 3.5 mph - N/A   Partly Cloudy
7:53 AM 46.9 °F - 42.1 °F 83% 30.06 in 10.0 mi NE 3.5 mph - N/A Fog Partly Cloudy
8:53 AM 54.0 °F - 46.9 °F 77% 30.06 in 10.0 mi Calm Calm - N/A Fog Partly Cloudy
9:53 AM 55.9 °F - 48.9 °F 77% 30.05 in 10.0 mi Calm Calm - N/A Fog Partly Cloudy
10:19 AM 55.4 °F - 48.2 °F 77% 30.05 in 10.0 mi SSW 3.5 mph - N/A Fog Partly Cloudy
10:53 AM 55.9 °F - 50.0 °F 80% 30.04 in 4.0 mi West 8.1 mph - N/A Fog Haze
11:16 AM 55.4 °F - 48.2 °F 77% 30.03 in 3.0 mi West 4.6 mph - N/A Fog Haze
11:31 AM 55.4 °F - 48.2 °F 77% 30.03 in 6.0 mi WNW 4.6 mph - N/A Fog Haze
11:53 AM 57.9 °F - 51.1 °F 78% 30.01 in 6.0 mi NW 6.9 mph - N/A Fog Haze
12:44 PM 57.2 °F - 50.0 °F 77% 29.99 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
12:53 PM 57.9 °F - 50.0 °F 75% 29.99 in 10.0 mi West 15.0 mph - N/A   Mostly Cloudy
1:53 PM 57.0 °F - 48.9 °F 74% 29.97 in 10.0 mi West 13.8 mph - N/A   Overcast
2:53 PM 55.9 °F - 48.9 °F 77% 29.96 in 10.0 mi West 11.5 mph - N/A   Overcast
3:16 PM 55.4 °F - 48.2 °F 77% 29.96 in 10.0 mi West 11.5 mph - N/A   Overcast
3:25 PM 55.4 °F - 48.2 °F 77% 29.95 in 10.0 mi West 13.8 mph - N/A   Overcast
3:53 PM 55.9 °F - 46.9 °F 72% 29.95 in 10.0 mi West 12.7 mph - N/A   Overcast
4:53 PM 55.9 °F - 46.9 °F 72% 29.94 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
5:16 PM 55.4 °F - 46.4 °F 72% 29.93 in 10.0 mi WSW 10.4 mph - N/A   Mostly Cloudy
5:29 PM 55.4 °F - 46.4 °F 72% 29.92 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
5:53 PM 55.9 °F - 46.0 °F 69% 29.92 in 10.0 mi WSW 10.4 mph - N/A   Overcast
6:53 PM 55.9 °F - 46.0 °F 69% 29.91 in 10.0 mi WSW 12.7 mph - N/A   Overcast
7:53 PM 55.9 °F - 45.0 °F 67% 29.91 in 10.0 mi West 15.0 mph - N/A   Overcast
8:53 PM 55.9 °F - 45.0 °F 67% 29.91 in 10.0 mi WSW 9.2 mph - N/A   Overcast
9:53 PM 55.9 °F - 46.0 °F 69% 29.89 in 10.0 mi SSW 9.2 mph - N/A   Overcast
10:53 PM 55.9 °F - 46.9 °F 72% 29.89 in 9.0 mi SSW 11.5 mph - 0.00 in Rain Light Rain
11:53 PM 55.0 °F - 48.0 °F 77% 29.89 in 10.0 mi SSW 12.7 mph - 0.00 in   Overcast