Weather History for KOAK - January, 2014

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Tuesday, January 21, 2014

  Actual Average Record
Temperature  
Mean Temperature 50 °F 50 °F  
Max Temperature 65 °F 57 °F 69 °F (2007)
Min Temperature 34 °F 42 °F 32 °F (1963)
Degree Days  
Heating Degree Days 15 15  
Month to date heating degree days 284 339  
Since 1 July heating degree days 1407 1511  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 36 °F    
Average Humidity 58    
Maximum Humidity 79    
Minimum Humidity 37    
Precipitation  
Precipitation 0.00 in 0.08 in 2.44 in (1967)
Month to date precipitation 0.01 3.21  
Year to date precipitation 0.01 3.21  
Since 1 July precipitation 2.08 10.80  
Sea Level Pressure  
Sea Level Pressure 30.21 in    
Wind  
Wind Speed 3 mph (WSW)    
Max Wind Speed 9 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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Daily Weather History Graph

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Astronomy

Jan. 21, 2014 Rise Set
Actual Time 7:20 AM PST 5:20 PM PST
Civil Twilight 6:52 AM PST 5:48 PM PST
Nautical Twilight 6:20 AM PST 6:20 PM PST
Astronomical Twilight 5:48 AM PST 6:52 PM PST
Moon 10:51 PM PST (1/21) 9:59 AM PST (1/21)
Length of Visible Light 10h 56m
Length of Day
10h 00m
Waning Gibbous, 73% of the Moon is Illuminated
Jan 21
Waning Gibbous
Jan 23
Last Quarter
Jan 30
New
Feb 6
First Quarter
Feb 14
Full

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 39.0 °F 36.8 °F 34.0 °F 82% 30.23 in 10.0 mi NNE 3.5 mph - N/A   Clear
1:53 AM 41.0 °F - 30.0 °F 65% 30.22 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 44.1 °F - 30.0 °F 58% 30.23 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 42.1 °F - 32.0 °F 67% 30.23 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 37.9 °F - 28.9 °F 70% 30.23 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 37.0 °F - 28.9 °F 73% 30.24 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 39.0 °F - 30.9 °F 73% 30.25 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:53 AM 44.1 °F 41.5 °F 37.0 °F 76% 30.25 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
8:53 AM 50.0 °F - 39.0 °F 66% 30.27 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
9:53 AM 52.0 °F - 42.1 °F 69% 30.27 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
10:53 AM 54.0 °F - 41.0 °F 62% 30.27 in 10.0 mi West 5.8 mph - N/A   Overcast
11:53 AM 57.0 °F - 37.0 °F 47% 30.24 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
12:53 PM 57.9 °F - 34.0 °F 41% 30.21 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
1:53 PM 60.1 °F - 36.0 °F 41% 30.18 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
2:53 PM 62.1 °F - 39.0 °F 43% 30.17 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
3:53 PM 64.9 °F - 37.0 °F 36% 30.17 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
4:53 PM 57.9 °F - 44.1 °F 60% 30.17 in 10.0 mi SSW 3.5 mph - N/A   Mostly Cloudy
5:53 PM 54.0 °F - 44.1 °F 69% 30.18 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:53 PM 54.0 °F - 43.0 °F 66% 30.18 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:53 PM 48.0 °F - 39.9 °F 74% 30.19 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:53 PM 45.0 °F - 37.0 °F 74% 30.19 in 10.0 mi Calm Calm - N/A   Clear
9:53 PM 46.9 °F - 35.1 °F 63% 30.20 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 45.0 °F 43.5 °F 33.1 °F 63% 30.19 in 10.0 mi ESE 3.5 mph - N/A   Clear
11:53 PM 42.1 °F 40.2 °F 32.0 °F 67% 30.18 in 10.0 mi NE 3.5 mph - N/A   Clear