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Friday, December 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 46 °F -  
Max Temperature 55 °F 62 °F 74 °F (1981)
Min Temperature 37 °F 40 °F 13 °F (1980)
Degree Days  
Heating Degree Days 19    
Moisture  
Dew Point 27 °F    
Average Humidity 48    
Maximum Humidity 65    
Minimum Humidity 29    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.14 in    
Wind  
Wind Speed 4 mph (NW)    
Max Wind Speed 9 mph    
Max Gust Speed -    
Visibility 10 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. 21, 2012 Rise Set
Actual Time 6:42 AM PST 4:31 PM PST
Civil Twilight 6:14 AM PST 4:59 PM PST
Nautical Twilight 5:42 AM PST 5:31 PM PST
Astronomical Twilight 5:11 AM PST 6:02 PM PST
Moon 12:11 PM PST (12/21) 12:42 AM PST (12/21)
Length of Visible Light 10h 45m
Length of Day
9h 49m
Waxing Gibbous, 66% of the Moon is Illuminated
Dec 21
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 37.9 °F 33.5 °F 27.0 °F 65% 30.19 in 10.0 mi WSW 5.8 mph - N/A   Clear
1:56 AM 43.0 °F 38.2 °F 23.0 °F 45% 30.18 in 10.0 mi NNW 8.1 mph - N/A   Clear
2:56 AM 42.1 °F 38.4 °F 24.1 °F 49% 30.17 in 10.0 mi NNW 5.8 mph - N/A   Clear
3:56 AM 37.9 °F 35.5 °F 26.1 °F 62% 30.16 in 10.0 mi WNW 3.5 mph - N/A   Clear
4:56 AM 37.0 °F 32.4 °F 26.1 °F 65% 30.16 in 10.0 mi WNW 5.8 mph - N/A   Clear
5:56 AM 37.9 °F 34.4 °F 25.0 °F 60% 30.17 in 10.0 mi WNW 4.6 mph - N/A   Clear
6:56 AM 39.0 °F 36.8 °F 25.0 °F 57% 30.18 in 10.0 mi WNW 3.5 mph - N/A   Clear
7:56 AM 44.1 °F - 25.0 °F 47% 30.18 in 10.0 mi Calm Calm - N/A   Clear
8:56 AM 46.9 °F - 25.0 °F 42% 30.19 in 10.0 mi North 6.9 mph - N/A   Clear
9:56 AM 48.9 °F - 26.1 °F 41% 30.19 in 10.0 mi NNE 6.9 mph - N/A   Clear
10:56 AM 51.1 °F - 25.0 °F 36% 30.17 in 10.0 mi Calm Calm - N/A   Clear
11:56 AM 53.1 °F - 26.1 °F 35% 30.14 in 10.0 mi Calm Calm - N/A   Clear
12:56 PM 54.0 °F - 26.1 °F 34% 30.12 in 10.0 mi Calm Calm - N/A   Clear
1:56 PM 55.9 °F - 24.1 °F 29% 30.08 in 10.0 mi Calm Calm - N/A   Clear
2:56 PM 55.9 °F - 26.1 °F 32% 30.08 in 10.0 mi Calm Calm - N/A   Clear
3:56 PM 55.0 °F - 27.0 °F 34% 30.08 in 10.0 mi Calm Calm - N/A   Clear
4:56 PM 51.1 °F - 36.0 °F 56% 30.09 in 10.0 mi Calm Calm - N/A   Clear
5:56 PM 48.9 °F - 35.1 °F 59% 30.11 in 10.0 mi West 4.6 mph - N/A   Clear
6:56 PM 51.1 °F - 28.9 °F 43% 30.11 in 10.0 mi NW 6.9 mph - N/A   Clear
7:56 PM 48.9 °F - 30.9 °F 50% 30.10 in 10.0 mi WNW 4.6 mph - N/A   Clear
8:56 PM 48.0 °F - 30.9 °F 52% 30.11 in 10.0 mi NW 5.8 mph - N/A   Clear
9:56 PM 48.9 °F - 28.9 °F 46% 30.10 in 10.0 mi NNW 5.8 mph - N/A   Clear
10:56 PM 46.9 °F - 30.0 °F 52% 30.09 in 10.0 mi WNW 9.2 mph - N/A   Clear
11:56 PM 46.0 °F 43.1 °F 30.0 °F 54% 30.09 in 10.0 mi NW 5.8 mph - N/A   Clear