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Monday, December 17, 2012

  Actual Average Record
Temperature  
Mean Temperature 51 °F 46 °F  
Max Temperature 59 °F 56 °F 67 °F (1998)
Min Temperature 43 °F 36 °F 24 °F (2008)
Degree Days  
Heating Degree Days 14    
Month to date heating degree days 264  
Since 1 July heating degree days 787  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 340  
Moisture  
Dew Point 49 °F    
Average Humidity 79    
Maximum Humidity 100    
Minimum Humidity 57    
Precipitation  
Precipitation 0.21 in 0.25 in 0.96 in (2010)
Month to date precipitation 4.60 3.27  
Year to date precipitation 34.07 32.52  
Since 1 July precipitation 15.28 10.43  
Sea Level Pressure  
Sea Level Pressure 29.97 in    
Wind  
Wind Speed 5 mph (SW)    
Max Wind Speed 16 mph    
Max Gust Speed 23 mph    
Visibility 6 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 17, 2012 Rise Set
Actual Time 7:23 AM PST 4:52 PM PST
Civil Twilight 6:53 AM PST 5:22 PM PST
Nautical Twilight 6:20 AM PST 5:55 PM PST
Astronomical Twilight 5:47 AM PST 6:27 PM PST
Moon 10:37 AM PST (12/17) 10:16 PM PST (12/17)
Length of Visible Light 10h 28m
Length of Day
9h 29m
Waxing Crescent, 26% of the Moon is Illuminated
Dec 17
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:18 AM 53.6 °F - 53.6 °F 100% 29.97 in 3.0 mi South 4.6 mph - 0.04 in Rain Light Rain
12:29 AM 53.6 °F - 53.6 °F 100% 29.97 in 2.0 mi South 5.8 mph - 0.07 in Rain Rain
12:48 AM 53.6 °F - 53.6 °F 100% 29.96 in 3.0 mi South 6.9 mph - 0.09 in Rain Light Rain
12:53 AM 54.0 °F - 53.1 °F 97% 29.95 in 4.0 mi South 6.9 mph - 0.09 in Rain Light Rain
1:13 AM 55.4 °F - 53.6 °F 94% 29.96 in 7.0 mi South 8.1 mph - 0.01 in Rain Light Rain
1:48 AM 55.4 °F - 53.6 °F 94% 29.96 in 3.0 mi South 6.9 mph - 0.03 in Rain Light Rain
1:53 AM 55.0 °F - 54.0 °F 96% 29.95 in 4.0 mi South 5.8 mph - 0.03 in Rain Light Rain
2:15 AM 55.4 °F - 53.6 °F 94% 29.96 in 3.0 mi South 5.8 mph - 0.02 in Rain Light Rain
2:34 AM 55.4 °F - 53.6 °F 94% 29.96 in 7.0 mi South 5.8 mph - 0.02 in Rain Light Rain
2:50 AM 55.4 °F - 53.6 °F 94% 29.96 in 4.0 mi South 6.9 mph - 0.03 in Rain Rain
2:53 AM 55.0 °F - 53.1 °F 93% 29.94 in 3.0 mi South 6.9 mph - 0.03 in Rain Light Rain
3:12 AM 55.4 °F - 53.6 °F 94% 29.96 in 5.0 mi South 6.9 mph - 0.01 in Rain Light Rain
3:28 AM 55.4 °F - 53.6 °F 94% 29.96 in 3.0 mi South 4.6 mph - 0.02 in Rain Light Rain
4:01 AM 55.4 °F - 53.6 °F 94% 29.95 in 4.0 mi South 5.8 mph - 0.01 in Rain Light Rain
4:04 AM 55.4 °F - 53.6 °F 94% 29.95 in 3.0 mi South 5.8 mph - 0.01 in Rain Light Rain
4:43 AM 55.4 °F - 51.8 °F 88% 29.96 in 10.0 mi West 5.8 mph - 0.03 in   Overcast
4:53 AM 55.0 °F - 51.1 °F 86% 29.95 in 10.0 mi West 6.9 mph - 0.03 in   Overcast
5:53 AM 53.1 °F - 50.0 °F 89% 29.95 in 10.0 mi West 3.5 mph - N/A   Overcast
6:01 AM 53.6 °F - 50.0 °F 88% 29.97 in 10.0 mi SW 4.6 mph - N/A   Overcast
6:40 AM 53.6 °F - 50.0 °F 88% 29.99 in 6.0 mi West 4.6 mph - 0.01 in Rain Light Rain
6:53 AM 53.1 °F - 50.0 °F 89% 29.99 in 6.0 mi WSW 4.6 mph - 0.01 in Rain Light Rain
7:53 AM 51.1 °F - 50.0 °F 96% 29.99 in 5.0 mi Calm Calm - 0.01 in   Mostly Cloudy
8:17 AM 51.8 °F - 50.0 °F 94% 30.01 in 2.5 mi Calm Calm - N/A   Overcast
8:19 AM 51.8 °F - 50.0 °F 94% 30.01 in 1.0 mi Calm Calm - N/A   Mist
8:53 AM 52.0 °F - 50.0 °F 93% 30.00 in 6.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 AM 54.0 °F - 50.0 °F 86% 30.02 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
10:53 AM 55.0 °F - 50.0 °F 83% 30.02 in 7.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
11:32 AM 55.0 °F - 50.0 °F 83% 30.02 in 7.0 mi North 3.5 mph - N/A   Mostly Cloudy
11:35 AM 55.0 °F - 50.0 °F 83% 30.02 in 7.0 mi North 8.1 mph - N/A   Mostly Cloudy
11:53 AM 54.0 °F - 48.0 °F 80% 30.00 in 9.0 mi NNW 8.1 mph - 0.00 in   Mostly Cloudy
12:53 PM 57.9 °F - 46.9 °F 67% 29.98 in 9.0 mi NNW 8.1 mph - N/A   Mostly Cloudy
1:53 PM 57.9 °F - 46.0 °F 65% 29.96 in 9.0 mi NW 6.9 mph - N/A   Scattered Clouds
4:53 PM 50.0 °F - 39.9 °F 68% 29.94 in 10.0 mi West 4.6 mph - N/A   Scattered Clouds
5:53 PM 48.0 °F - 39.9 °F 74% 29.95 in 9.0 mi Calm Calm - N/A   Clear
6:53 PM 43.0 °F - 37.9 °F 82% 29.96 in 10.0 mi Calm Calm - N/A   Clear
7:53 PM 43.0 °F - 37.9 °F 82% 29.97 in 9.0 mi Calm Calm - N/A   Clear
8:53 PM 43.0 °F 39.5 °F 37.0 °F 80% 29.98 in 8.0 mi NW 5.8 mph - N/A   Clear
9:53 PM 46.0 °F 40.6 °F 37.9 °F 73% 29.97 in 9.0 mi NW 11.5 mph 18.4 mph N/A   Clear
10:53 PM 46.0 °F 40.6 °F 36.0 °F 68% 29.97 in 10.0 mi NNW 11.5 mph 23.0 mph N/A   Clear
11:53 PM 45.0 °F 40.1 °F 33.1 °F 63% 29.98 in 10.0 mi North 9.2 mph - N/A   Partly Cloudy