Oakland, CA

4:04 AM PST on January 19, 2018 (GMT -0800)
Metro Oakland International

Weather History for KOAK - December, 2011

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Friday, December 9, 2011

  Actual Average Record
Temperature  
Mean Temperature 44 °F 49 °F  
Max Temperature 55 °F 57 °F 67 °F (2012)
Min Temperature 32 °F 42 °F 26 °F (1972)
Degree Days  
Heating Degree Days 21 16  
Month to date heating degree days 103 135  
Since 1 July heating degree days 720 810  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 152 138  
Moisture  
Dew Point 36 °F    
Average Humidity 74    
Maximum Humidity 89    
Minimum Humidity 59    
Precipitation  
Precipitation 0.00 in 0.11 in 1.29 in (1954)
Month to date precipitation 0.00 0.89  
Year to date precipitation 15.77 18.04  
Since 1 July precipitation 2.96  
Sea Level Pressure  
Sea Level Pressure 30.19 in    
Wind  
Wind Speed 2 mph (SSW)    
Max Wind Speed 6 mph    
Max Gust Speed 8 mph    
Visibility 8 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Dec. 09, 2011 Rise Set
Actual Time 7:12 AM PST 4:50 PM PST
Civil Twilight 6:43 AM PST 5:19 PM PST
Nautical Twilight 6:10 AM PST 5:51 PM PST
Astronomical Twilight 5:38 AM PST 6:23 PM PST
Moon 4:18 PM PST (12/9) 6:24 AM PST (12/9)
Length of Visible Light 10h 36m
Length of Day
9h 37m
Waxing Gibbous, 99% of the Moon is Illuminated
Dec 9
Waxing Gibbous
Dec 10
Full
Dec 17
Last Quarter
Dec 24
New
Dec 31
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 37.0 °F 34.5 °F 30.9 °F 79% 30.18 in 10.0 mi ENE 3.5 mph - N/A   Clear
1:53 AM 37.0 °F - 33.1 °F 86% 30.18 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 37.0 °F - 32.0 °F 82% 30.19 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 34.0 °F - 30.0 °F 85% 30.18 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 35.6 °F 32.8 °F 30.2 °F 81% 30.19 in 10.0 mi ENE 3.5 mph - N/A   Clear
5:53 AM 35.1 °F - 32.0 °F 89% 30.19 in 9.0 mi Calm Calm - N/A   Clear
6:53 AM 34.0 °F 31.0 °F 30.0 °F 85% 30.20 in 9.0 mi ENE 3.5 mph - N/A   Clear
7:53 AM 37.9 °F - 34.0 °F 86% 30.22 in 6.0 mi Calm Calm - N/A   Clear
8:53 AM 45.0 °F - 37.0 °F 74% 30.24 in 6.0 mi Calm Calm - N/A   Haze
9:53 AM 48.0 °F - 39.0 °F 71% 30.25 in 6.0 mi South 3.5 mph - N/A   Haze
10:53 AM 48.9 °F - 39.0 °F 69% 30.24 in 6.0 mi WSW 3.5 mph - N/A   Haze
11:53 AM 51.1 °F - 37.9 °F 61% 30.22 in 6.0 mi WSW 4.6 mph - N/A   Haze
12:53 PM 51.8 °F - 41.0 °F 67% 30.19 in 6.0 mi WSW 4.6 mph - N/A   Haze
1:53 PM 53.1 °F - 42.1 °F 66% 30.17 in 6.0 mi SW 4.6 mph - N/A   Haze
2:53 PM 54.0 °F - 42.1 °F 64% 30.16 in 6.0 mi WSW 4.6 mph - N/A   Haze
3:53 PM 54.0 °F - 44.1 °F 69% 30.16 in 5.0 mi Calm Calm - N/A   Haze
4:53 PM 52.0 °F - 41.0 °F 66% 30.17 in 7.0 mi Calm Calm - N/A   Partly Cloudy
5:53 PM 48.9 °F - 39.0 °F 69% 30.17 in 9.0 mi Calm Calm - N/A   Partly Cloudy
6:53 PM 48.0 °F - 37.0 °F 66% 30.17 in 9.0 mi Calm Calm - N/A   Clear
7:53 PM 44.1 °F 42.5 °F 35.1 °F 71% 30.17 in 9.0 mi NE 3.5 mph - N/A   Clear
8:53 PM 46.9 °F - 36.0 °F 66% 30.18 in 9.0 mi Calm Calm - N/A   Clear
9:53 PM 48.9 °F - 35.1 °F 59% 30.18 in 9.0 mi Calm Calm - N/A   Clear
10:53 PM 39.9 °F - 33.1 °F 77% 30.19 in 9.0 mi Calm Calm - N/A   Clear
11:53 PM 37.4 °F 34.9 °F 32.0 °F 81% 30.18 in 10.0 mi NE 3.5 mph - N/A   Partly Cloudy