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Wednesday, December 15, 2010

  Actual Average Record
Temperature  
Mean Temperature 52 °F -  
Max Temperature 57 °F 57 °F 70 °F (1958)
Min Temperature 46 °F 37 °F 26 °F (1967)
Degree Days  
Heating Degree Days 14    
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 45 °F    
Average Humidity 76    
Maximum Humidity 93    
Minimum Humidity 55    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 5 mph (North)    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 12 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 15, 2010 Rise Set
Actual Time 7:15 AM PST 4:51 PM PST
Civil Twilight 6:46 AM PST 5:20 PM PST
Nautical Twilight 6:13 AM PST 5:53 PM PST
Astronomical Twilight 5:41 AM PST 6:25 PM PST
Moon 12:55 PM PST (12/15) 1:43 AM PST (12/15)
Length of Visible Light 10h 34m
Length of Day
9h 35m
Waxing Gibbous, 71% of the Moon is Illuminated
Dec 15
Waxing Gibbous
Dec 21
Full
Dec 27
Last Quarter
Jan 4
New
Jan 12
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
6:47 AM 46.4 °F 45.2 °F 44.6 °F 93% 30.00 in 10.0 mi Variable 3.5 mph - N/A   Overcast
8:47 AM 50.0 °F - 46.4 °F 87% 30.03 in 6.0 mi Variable 4.6 mph - N/A   Overcast
9:47 AM 51.8 °F - 48.2 °F 88% 30.04 in 6.0 mi Variable 4.6 mph - N/A   Overcast
10:47 AM 53.6 °F - 48.2 °F 82% 30.03 in 6.0 mi Variable 4.6 mph - N/A   Haze
12:47 PM 57.2 °F - 44.6 °F 63% 29.98 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
1:47 PM 57.2 °F - 42.8 °F 59% 29.98 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
2:47 PM 57.2 °F - 41.0 °F 55% 29.98 in 15.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
3:47 PM 55.4 °F - 46.4 °F 72% 29.98 in 20.0 mi NNW 6.9 mph - N/A   Scattered Clouds
4:47 PM 50.0 °F - 42.8 °F 76% 29.96 in 20.0 mi NW 8.1 mph - N/A   Scattered Clouds
6:47 PM 46.4 °F - 42.8 °F 87% 29.97 in 20.0 mi Calm Calm - N/A   Scattered Clouds