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Thursday, December 20, 2012

  Actual Average Record
Temperature  
Mean Temperature 48 °F -  
Max Temperature 56 °F 36 °F 64 °F (1998)
Min Temperature 39 °F 25 °F 2 °F (2008)
Degree Days  
Heating Degree Days 18    
Moisture  
Dew Point 25 °F    
Average Humidity 44    
Maximum Humidity 75    
Minimum Humidity 27    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.73 in    
Wind  
Wind Speed 21 mph (SSE)    
Max Wind Speed 32 mph    
Max Gust Speed 48 mph    
Visibility 15 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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Date:

Astronomy

Dec. 20, 2012 Rise Set
Actual Time 7:39 AM PST 4:13 PM PST
Civil Twilight 7:04 AM PST 4:48 PM PST
Nautical Twilight 6:25 AM PST 5:27 PM PST
Astronomical Twilight 5:48 AM PST 6:03 PM PST
Moon 11:51 AM PST (12/20) 12:12 AM PST (12/20)
Length of Visible Light 9h 44m
Length of Day
8h 34m
First Quarter, 56% of the Moon is Illuminated
Dec 20
First Quarter
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
12:50 AM 45.3 °F 35.4 °F 20.1 °F 37% 29.77 in 15.0 mi SSE 32.2 mph 40.3 mph N/A   Overcast
1:50 AM 46.8 °F - 21.6 °F 37% 29.75 in 15.0 mi SSE 27.6 mph 48.3 mph N/A   Overcast
2:50 AM 45.7 °F 37.4 °F 24.3 °F 43% 29.75 in 15.0 mi ESE 23.0 mph - N/A   Overcast
3:50 AM 45.9 °F 37.6 °F 23.4 °F 41% 29.74 in 15.0 mi ESE 23.0 mph - N/A   Overcast
4:50 AM 45.5 °F 36.7 °F 21.6 °F 39% 29.73 in 15.0 mi SSE 25.3 mph 32.2 mph N/A   Overcast
5:50 AM 45.7 °F 39.8 °F 21.9 °F 39% 29.72 in 15.0 mi SE 12.7 mph - N/A   Overcast
6:50 AM 45.9 °F 39.7 °F 21.6 °F 38% 29.70 in 15.0 mi ESE 13.8 mph - N/A   Overcast
7:50 AM 46.4 °F 39.5 °F 21.4 °F 37% 29.69 in 15.0 mi ESE 17.3 mph - N/A   Overcast
8:50 AM 47.3 °F - 21.6 °F 36% 29.68 in 15.0 mi ESE 18.4 mph 27.6 mph N/A   Overcast
9:50 AM 47.8 °F - 22.3 °F 37% 29.67 in 15.0 mi ESE 12.7 mph 21.9 mph N/A   Overcast
10:50 AM 52.5 °F - 22.3 °F 31% 29.67 in 15.0 mi SE 11.5 mph 20.7 mph N/A   Mostly Cloudy
11:50 AM 55.9 °F - 22.6 °F 28% 29.65 in 15.0 mi South 24.2 mph 33.4 mph N/A   Mostly Cloudy
12:50 PM 56.7 °F - 23.2 °F 27% 29.65 in 15.0 mi South 23.0 mph 34.5 mph N/A   Mostly Cloudy
1:50 PM 52.0 °F - 27.0 °F 38% 29.65 in 15.0 mi SSW 11.5 mph - N/A   Overcast
2:50 PM 50.9 °F - 27.1 °F 40% 29.67 in 15.0 mi SW 17.3 mph 27.6 mph N/A   Mostly Cloudy
3:50 PM 45.3 °F 38.1 °F 29.8 °F 55% 29.73 in 15.0 mi West 17.3 mph - N/A   Mostly Cloudy
4:50 PM 45.0 °F 37.4 °F 28.9 °F 53% 29.76 in 15.0 mi WSW 18.4 mph 25.3 mph N/A   Overcast
5:50 PM 43.0 °F 34.8 °F 29.8 °F 60% 29.78 in 15.0 mi SSW 18.4 mph - N/A   Mostly Cloudy
6:50 PM 42.4 °F 34.7 °F 28.4 °F 58% 29.80 in 15.0 mi SW 16.1 mph - N/A   Overcast
9:50 PM 41.5 °F 35.9 °F 26.2 °F 55% 29.84 in 15.0 mi South 9.2 mph - N/A   Overcast
10:50 PM 39.9 °F 34.5 °F 28.9 °F 65% 29.85 in 15.0 mi SE 8.1 mph - N/A   Overcast
11:50 PM 39.0 °F 35.7 °F 31.6 °F 75% 29.85 in 15.0 mi SE 4.6 mph - N/A   Overcast