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Thursday, December 20, 2012

  Actual Average Record
Temperature  
Mean Temperature 46 °F -  
Max Temperature 54 °F 52 °F 73 °F (1999)
Min Temperature 37 °F 34 °F 23 °F (1990)
Degree Days  
Heating Degree Days 20    
Moisture  
Dew Point 29 °F    
Average Humidity 51    
Maximum Humidity 76    
Minimum Humidity 33    
Precipitation  
Precipitation 0.02 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.11 in    
Wind  
Wind Speed 12 mph (SE)    
Max Wind Speed 24 mph    
Max Gust Speed 31 mph    
Visibility 10 miles    
Events Rain    
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 7:23 AM PST 4:45 PM PST
Civil Twilight 6:52 AM PST 5:16 PM PST
Nautical Twilight 6:18 AM PST 5:50 PM PST
Astronomical Twilight 5:46 AM PST 6:22 PM PST
Moon 12:05 PM PST (12/20) 12:16 AM PST (12/20)
Length of Visible Light 10h 23m
Length of Day
9h 22m
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
12:53 AM 37.0 °F 31.6 °F 30.0 °F 76% 30.26 in 10.0 mi East 6.9 mph - N/A   Clear
1:53 AM 37.9 °F 32.1 °F 30.0 °F 73% 30.25 in 10.0 mi ESE 8.1 mph - N/A   Clear
2:53 AM 39.0 °F 34.0 °F 28.9 °F 67% 30.25 in 10.0 mi East 6.9 mph - N/A   Clear
3:53 AM 39.0 °F 36.8 °F 28.9 °F 67% 30.23 in 10.0 mi East 3.5 mph - N/A   Clear
4:53 AM 39.9 °F 34.5 °F 28.9 °F 65% 30.22 in 10.0 mi SE 8.1 mph - N/A   Clear
5:53 AM 39.9 °F 35.1 °F 28.0 °F 63% 30.21 in 10.0 mi SSE 6.9 mph - N/A   Clear
7:53 AM 44.1 °F 37.1 °F 28.9 °F 55% 30.20 in 10.0 mi SSE 15.0 mph - N/A   Clear
8:53 AM 45.0 °F 38.5 °F 28.0 °F 52% 30.20 in 10.0 mi SSE 13.8 mph - N/A   Clear
9:53 AM 46.0 °F 40.2 °F 27.0 °F 47% 30.19 in 10.0 mi SE 12.7 mph - N/A   Scattered Clouds
10:53 AM 48.9 °F - 30.0 °F 48% 30.17 in 10.0 mi SSE 15.0 mph - N/A   Clear
11:53 AM 52.0 °F - 30.0 °F 43% 30.13 in 10.0 mi SSE 18.4 mph - N/A   Clear
12:53 PM 54.0 °F - 27.0 °F 35% 30.08 in 10.0 mi SE 17.3 mph - N/A   Clear
1:53 PM 54.0 °F - 26.1 °F 34% 30.06 in 10.0 mi SSE 18.4 mph 26.5 mph N/A   Mostly Cloudy
2:53 PM 54.0 °F - 25.0 °F 33% 30.03 in 10.0 mi SSE 24.2 mph 31.1 mph N/A   Overcast
3:53 PM 53.1 °F - 27.0 °F 37% 30.03 in 10.0 mi SSE 16.1 mph - N/A   Overcast
4:53 PM 53.1 °F - 28.0 °F 38% 30.02 in 10.0 mi SSE 17.3 mph - N/A   Overcast
5:53 PM 52.0 °F - 28.0 °F 40% 30.00 in 10.0 mi SSE 15.0 mph - N/A   Overcast
6:53 PM 52.0 °F - 28.0 °F 40% 30.02 in 10.0 mi South 16.1 mph - N/A   Overcast
7:53 PM 50.0 °F - 32.0 °F 50% 30.02 in 10.0 mi SSE 19.6 mph - 0.01 in Rain Light Rain
8:53 PM 50.0 °F - 30.9 °F 48% 30.01 in 10.0 mi SSE 13.8 mph - 0.00 in   Overcast
9:53 PM 48.9 °F - 30.0 °F 48% 30.01 in 10.0 mi SSE 16.1 mph - 0.00 in   Overcast
10:53 PM 51.1 °F - 28.9 °F 43% 30.01 in 10.0 mi SSE 17.3 mph - N/A   Overcast
11:53 PM 46.9 °F - 34.0 °F 61% 30.01 in 10.0 mi SSE 10.4 mph - 0.01 in Rain Light Rain