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Friday, December 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 38 °F 40 °F  
Max Temperature 47 °F 45 °F 56 °F (2005)
Min Temperature 29 °F 35 °F 12 °F (1990)
Degree Days  
Heating Degree Days 27 25  
Month to date heating degree days 475 510  
Since 1 July heating degree days 1502 1693  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 177 189  
Moisture  
Dew Point 33 °F    
Average Humidity 78    
Maximum Humidity 92    
Minimum Humidity 64    
Precipitation  
Precipitation 0.07 in 0.17 in 0.99 in (1964)
Month to date precipitation 5.52 3.69  
Year to date precipitation 46.93 35.83  
Snow  
Snow 0.00 in - 3.00 in (2008)
Month to date snowfall 0.6  
Since 1 July snowfall 0.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.76 in    
Wind  
Wind Speed 4 mph (East)    
Max Wind Speed 14 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 21, 2012 Rise Set
Actual Time 7:54 AM PST 4:21 PM PST
Civil Twilight 7:18 AM PST 4:57 PM PST
Nautical Twilight 6:39 AM PST 5:36 PM PST
Astronomical Twilight 6:01 AM PST 6:13 PM PST
Moon 12:26 PM PST (12/21) 1:29 AM PST (12/21)
Length of Visible Light 9h 38m
Length of Day
8h 26m
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
12:53 AM 35.1 °F - 30.0 °F 82% 29.83 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 30.9 °F - 28.0 °F 89% 29.83 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 32.0 °F 28.7 °F 28.9 °F 88% 29.82 in 10.0 mi ESE 3.5 mph - N/A   Clear
3:53 AM 30.9 °F - 28.0 °F 89% 29.80 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:53 AM 34.0 °F 31.0 °F 28.9 °F 82% 29.78 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
5:53 AM 34.0 °F 31.0 °F 30.0 °F 85% 29.77 in 10.0 mi NE 3.5 mph - N/A   Mostly Cloudy
6:53 AM 35.1 °F 30.1 °F 30.0 °F 82% 29.77 in 10.0 mi SE 5.8 mph - N/A   Overcast
7:53 AM 39.0 °F 32.3 °F 28.9 °F 67% 29.74 in 10.0 mi East 10.4 mph - N/A   Overcast
8:53 AM 37.0 °F 33.3 °F 30.9 °F 79% 29.75 in 10.0 mi WSW 4.6 mph - 0.00 in Rain Light Rain
9:53 AM 39.9 °F 34.5 °F 30.9 °F 70% 29.77 in 9.0 mi South 8.1 mph - 0.00 in Rain Light Rain
10:53 AM 39.9 °F 35.8 °F 33.1 °F 77% 29.78 in 10.0 mi ESE 5.8 mph - 0.01 in   Mostly Cloudy
11:53 AM 43.0 °F - 35.1 °F 74% 29.79 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:53 PM 45.0 °F - 34.0 °F 65% 29.78 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:53 PM 46.0 °F - 36.0 °F 68% 29.77 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:53 PM 45.0 °F 41.8 °F 36.0 °F 71% 29.77 in 10.0 mi SE 5.8 mph - N/A   Scattered Clouds
3:53 PM 43.0 °F 41.3 °F 35.1 °F 74% 29.76 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
4:53 PM 41.0 °F - 35.1 °F 79% 29.75 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:53 PM 42.1 °F 38.4 °F 35.1 °F 76% 29.74 in 10.0 mi NE 5.8 mph - N/A   Mostly Cloudy
6:53 PM 41.0 °F 37.1 °F 34.0 °F 76% 29.72 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
7:53 PM 41.0 °F 35.2 °F 35.1 °F 79% 29.70 in 10.0 mi NNE 9.2 mph - N/A   Mostly Cloudy
8:53 PM 39.9 °F 37.8 °F 36.0 °F 86% 29.71 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
9:53 PM 42.1 °F 40.2 °F 35.1 °F 76% 29.71 in 10.0 mi ENE 3.5 mph - N/A   Overcast
10:53 PM 39.9 °F 37.8 °F 36.0 °F 86% 29.71 in 10.0 mi SE 3.5 mph - 0.00 in Rain Light Rain
11:53 PM 39.9 °F 33.9 °F 35.1 °F 83% 29.68 in 10.0 mi East 9.2 mph - 0.06 in   Mostly Cloudy