Weather History for KOAK - February, 2012

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Sunday, February 26, 2012

  Actual Average Record
Temperature  
Mean Temperature 44 °F 53 °F  
Max Temperature 54 °F 61 °F 75 °F (1986)
Min Temperature 34 °F 45 °F 32 °F (2011)
Degree Days  
Heating Degree Days 21 12  
Month to date heating degree days 339 338  
Since 1 July heating degree days 1884 1997  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 35 °F    
Average Humidity 62    
Maximum Humidity 92    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in 0.16 in 0.74 in (1973)
Month to date precipitation 0.45 3.65  
Year to date precipitation 2.62 7.64  
Since 1 July precipitation 5.69  
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 8 mph (West)    
Max Wind Speed 26 mph    
Max Gust Speed 31 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 26, 2012 Rise Set
Actual Time 6:45 AM PST 5:59 PM PST
Civil Twilight 6:18 AM PST 6:25 PM PST
Nautical Twilight 5:48 AM PST 6:56 PM PST
Astronomical Twilight 5:17 AM PST 7:26 PM PST
Moon 8:49 AM PST (2/26) 10:55 PM PST (2/26)
Length of Visible Light 12h 06m
Length of Day
11h 14m
Waxing Crescent, 21% of the Moon is Illuminated
Feb 26
Waxing Crescent
Feb 29
First Quarter
Mar 8
Full
Mar 14
Last Quarter
Mar 22
New

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 46.0 °F - 35.1 °F 66% 30.20 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:53 AM 42.1 °F - 35.1 °F 76% 30.18 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 42.1 °F 39.2 °F 36.0 °F 79% 30.17 in 10.0 mi NW 4.6 mph - N/A   Clear
3:53 AM 37.9 °F 35.5 °F 36.0 °F 93% 30.16 in 10.0 mi NE 3.5 mph - N/A   Clear
4:53 AM 37.4 °F - 35.6 °F 93% 30.15 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 35.1 °F - 34.0 °F 96% 30.12 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:53 AM 35.1 °F - 32.0 °F 89% 30.12 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:53 AM 41.0 °F - 39.9 °F 96% 30.12 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:53 AM 46.9 °F - 36.0 °F 66% 30.12 in 10.0 mi NNW 3.5 mph - N/A   Partly Cloudy
9:53 AM 51.1 °F - 28.0 °F 41% 30.09 in 10.0 mi ESE 3.5 mph - N/A   Scattered Clouds
10:53 AM 50.0 °F - 28.9 °F 44% 30.07 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
11:53 AM 51.1 °F - 27.0 °F 39% 30.05 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
12:53 PM 53.1 °F - 25.0 °F 34% 30.01 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
1:53 PM 53.1 °F - 35.1 °F 50% 29.99 in 10.0 mi SW 10.4 mph - N/A   Mostly Cloudy
2:53 PM 52.0 °F - 33.1 °F 49% 29.97 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
3:53 PM 50.0 °F - 34.0 °F 54% 29.96 in 10.0 mi West 15.0 mph - N/A   Mostly Cloudy
4:53 PM 50.0 °F - 36.0 °F 59% 29.94 in 10.0 mi West 17.3 mph - N/A   Mostly Cloudy
5:53 PM 48.0 °F - 36.0 °F 63% 29.93 in 10.0 mi West 21.9 mph - N/A   Mostly Cloudy
6:53 PM 48.0 °F - 36.0 °F 63% 29.92 in 10.0 mi West 23.0 mph - N/A   Mostly Cloudy
7:53 PM 46.9 °F - 37.9 °F 71% 29.92 in 10.0 mi West 17.3 mph - N/A   Mostly Cloudy
8:53 PM 46.0 °F 39.3 °F 37.0 °F 71% 29.91 in 10.0 mi West 16.1 mph - N/A   Mostly Cloudy
9:53 PM 46.0 °F 39.9 °F 37.0 °F 71% 29.91 in 10.0 mi West 13.8 mph - N/A   Mostly Cloudy
10:30 PM 46.4 °F 41.5 °F 37.4 °F 71% 29.90 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
10:53 PM 46.0 °F 40.6 °F 37.0 °F 71% 29.90 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
11:14 PM 44.6 °F 39.2 °F 35.6 °F 71% 29.89 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
11:53 PM 46.0 °F 41.9 °F 37.0 °F 71% 29.88 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy