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Sunday, December 30, 2012

  Actual Average Record
Temperature  
Mean Temperature 49 °F 56 °F  
Max Temperature 59 °F 67 °F 87 °F (1980)
Min Temperature 39 °F 45 °F 29 °F (1954)
Degree Days  
Heating Degree Days 16 9  
Month to date heating degree days 251 281  
Since 1 July heating degree days 286 377  
Cooling Degree Days 0 0  
Month to date cooling degree days 21 0  
Year to date cooling degree days 4726 4137  
Moisture  
Dew Point 35 °F    
Average Humidity 56    
Maximum Humidity 76    
Minimum Humidity 36    
Precipitation  
Precipitation 0.00 in 0.05 in 2.40 in (1951)
Month to date precipitation 0.19 0.83  
Year to date precipitation 2.01 5.69  
Since 1 July precipitation 1.22 2.75  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Year to date snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.95 in    
Wind  
Wind Speed 6 mph (NW)    
Max Wind Speed 24 mph    
Max Gust Speed 28 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 30, 2012 Rise Set
Actual Time 6:50 AM PST 4:47 PM PST
Civil Twilight 6:23 AM PST 5:14 PM PST
Nautical Twilight 5:51 AM PST 5:45 PM PST
Astronomical Twilight 5:21 AM PST 6:16 PM PST
Moon 7:15 PM PST (12/30) 8:08 AM PST (12/30)
Length of Visible Light 10h 51m
Length of Day
9h 56m
Waning Gibbous, 95% of the Moon is Illuminated
Dec 30
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

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 48.0 °F - 39.9 °F 74% 29.97 in 10.0 mi NNW 4.6 mph - N/A   Clear
1:53 AM 46.0 °F 43.9 °F 39.0 °F 76% 29.96 in 10.0 mi WNW 4.6 mph - N/A   Clear
2:53 AM 46.9 °F - 37.9 °F 71% 29.95 in 10.0 mi NW 6.9 mph - N/A   Clear
3:53 AM 44.1 °F 42.5 °F 36.0 °F 73% 29.94 in 10.0 mi North 3.5 mph - N/A   Clear
4:53 AM 43.0 °F 41.3 °F 36.0 °F 76% 29.93 in 10.0 mi North 3.5 mph - N/A   Clear
5:53 AM 44.1 °F - 34.0 °F 68% 29.94 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 48.9 °F - 37.0 °F 64% 29.94 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:53 AM 48.9 °F - 33.1 °F 54% 29.95 in 10.0 mi NE 3.5 mph - N/A   Clear
8:53 AM 51.1 °F - 33.1 °F 50% 29.96 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 55.0 °F - 34.0 °F 45% 29.96 in 10.0 mi WSW 3.5 mph - N/A   Clear
10:53 AM 57.0 °F - 33.1 °F 40% 29.94 in 10.0 mi NW 11.5 mph - N/A   Scattered Clouds
11:53 AM 57.0 °F - 33.1 °F 40% 29.91 in 10.0 mi NW 8.1 mph - N/A   Mostly Cloudy
12:53 PM 57.0 °F - 30.9 °F 37% 29.88 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:53 PM 57.9 °F - 32.0 °F 37% 29.87 in 10.0 mi NW 17.3 mph - N/A   Partly Cloudy
2:53 PM 54.0 °F - 32.0 °F 43% 29.89 in 10.0 mi NW 16.1 mph 27.6 mph N/A   Overcast
3:53 PM 53.1 °F - 32.0 °F 45% 29.90 in 10.0 mi WNW 9.2 mph - N/A   Overcast
4:53 PM 52.0 °F - 33.1 °F 49% 29.92 in 10.0 mi WNW 11.5 mph - N/A   Overcast
5:53 PM 51.1 °F - 35.1 °F 54% 29.94 in 10.0 mi WSW 8.1 mph - N/A   Overcast
6:53 PM 50.0 °F - 36.0 °F 59% 29.96 in 10.0 mi North 3.5 mph - N/A   Overcast
7:53 PM 48.9 °F - 36.0 °F 61% 29.98 in 10.0 mi North 4.6 mph - N/A   Overcast
8:53 PM 48.0 °F - 35.1 °F 61% 29.99 in 10.0 mi WNW 5.8 mph - N/A   Overcast
9:53 PM 46.0 °F 41.9 °F 35.1 °F 66% 30.01 in 10.0 mi NNW 8.1 mph - N/A   Partly Cloudy
10:53 PM 46.0 °F 43.1 °F 34.0 °F 63% 30.02 in 10.0 mi North 5.8 mph - N/A   Clear
11:53 PM 43.0 °F 38.8 °F 33.1 °F 68% 30.03 in 10.0 mi NNW 6.9 mph - N/A   Clear