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Wednesday, December 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 34 °F 35 °F  
Max Temperature 39 °F 44 °F 61 °F (1957)
Min Temperature 29 °F 26 °F -3 °F (1932)
Degree Days  
Heating Degree Days 31 30  
Month to date heating degree days 314 352  
Since 1 July heating degree days 1344 1749  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 392 288  
Moisture  
Dew Point 27 °F    
Average Humidity 76    
Maximum Humidity 96    
Minimum Humidity 54    
Precipitation  
Precipitation 0.04 in 0.25 in 4.81 in (1995)
Month to date precipitation 4.36 2.82  
Year to date precipitation 39.19 38.18  
Sea Level Pressure  
Sea Level Pressure 29.84 in    
Wind  
Wind Speed 5 mph (NW)    
Max Wind Speed 12 mph    
Max Gust Speed 20 mph    
Visibility 9 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 12, 2012 Rise Set
Actual Time 7:26 AM PST 4:40 PM PST
Civil Twilight 6:55 AM PST 5:11 PM PST
Nautical Twilight 6:20 AM PST 5:46 PM PST
Astronomical Twilight 5:46 AM PST 6:19 PM PST
Moon 6:36 AM PST (12/12) 4:23 PM PST (12/12)
Length of Visible Light 10h 16m
Length of Day
9h 13m
Waning Crescent, 0% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:34 AM 35.6 °F - 33.8 °F 93% 29.69 in 7.0 mi Calm Calm - N/A   Overcast
12:45 AM 35.6 °F - 33.8 °F 93% 29.69 in 8.0 mi Calm Calm - N/A   Overcast
12:56 AM 36.0 °F - 33.1 °F 89% 29.76 in 10.0 mi Calm Calm - N/A   Overcast
1:56 AM 34.0 °F - 32.0 °F 92% 29.77 in 3.0 mi Calm Calm - 0.03 in Snow Light Snow
2:15 AM 33.8 °F - 30.2 °F 87% 29.70 in 5.0 mi Calm Calm - 0.01 in   Overcast
2:28 AM 33.8 °F - 30.2 °F 87% 29.70 in 8.0 mi Calm Calm - 0.01 in   Mostly Cloudy
2:56 AM 33.1 °F 27.7 °F 30.0 °F 89% 29.77 in 10.0 mi WNW 5.8 mph - 0.01 in   Partly Cloudy
3:56 AM 33.1 °F 30.0 °F 28.9 °F 85% 29.78 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
4:56 AM 32.0 °F - 28.9 °F 88% 29.80 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:56 AM 33.1 °F 30.0 °F 28.9 °F 85% 29.80 in 10.0 mi NNW 3.5 mph - 0.00 in   Mostly Cloudy
6:56 AM 32.0 °F 25.6 °F 27.0 °F 82% 29.82 in 10.0 mi North 6.9 mph - N/A   Clear
7:56 AM 33.1 °F 27.7 °F 26.1 °F 75% 29.84 in 10.0 mi Variable 5.8 mph - N/A   Clear
8:56 AM 32.0 °F 28.7 °F 26.1 °F 79% 29.87 in 10.0 mi Variable 3.5 mph - N/A   Clear
9:56 AM 34.0 °F 27.2 °F 27.0 °F 75% 29.89 in 10.0 mi NNW 8.1 mph - N/A   Partly Cloudy
10:24 AM 35.6 °F 29.9 °F 28.4 °F 75% 29.80 in 10.0 mi NNW 6.9 mph - N/A   Mostly Cloudy
10:56 AM 35.1 °F 31.0 °F 28.0 °F 76% 29.89 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
11:09 AM 35.6 °F 30.7 °F 26.6 °F 70% 29.80 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
11:18 AM 35.6 °F 29.2 °F 26.6 °F 70% 29.80 in 10.0 mi NW 8.1 mph - N/A   Mostly Cloudy
11:56 AM 36.0 °F 30.3 °F 26.1 °F 67% 29.88 in 10.0 mi Variable 6.9 mph 16.1 mph N/A   Mostly Cloudy
12:30 PM 37.4 °F 31.4 °F 26.6 °F 65% 29.79 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
12:56 PM 37.9 °F 33.5 °F 24.1 °F 57% 29.86 in 10.0 mi Variable 5.8 mph 18.4 mph N/A   Partly Cloudy
1:56 PM 39.0 °F 35.7 °F 25.0 °F 57% 29.86 in 10.0 mi Variable 4.6 mph - N/A   Partly Cloudy
2:56 PM 37.0 °F 31.0 °F 23.0 °F 57% 29.87 in 10.0 mi NW 8.1 mph - N/A   Scattered Clouds
3:56 PM 36.0 °F 31.1 °F 23.0 °F 59% 29.88 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
4:56 PM 33.1 °F 28.7 °F 23.0 °F 66% 29.90 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
5:56 PM 32.0 °F 26.4 °F 23.0 °F 69% 29.91 in 10.0 mi Variable 5.8 mph - N/A   Overcast
6:56 PM 32.0 °F 26.4 °F 23.0 °F 69% 29.92 in 10.0 mi Variable 5.8 mph - N/A   Scattered Clouds
7:56 PM 30.9 °F 26.2 °F 24.1 °F 76% 29.93 in 10.0 mi WNW 4.6 mph - N/A   Clear
8:56 PM 30.9 °F 26.2 °F 24.1 °F 76% 29.94 in 10.0 mi Variable 4.6 mph - N/A   Clear
9:56 PM 30.0 °F - 23.0 °F 75% 29.95 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:56 PM 30.0 °F 24.1 °F 21.9 °F 72% 29.96 in 10.0 mi Variable 5.8 mph - N/A   Clear
11:56 PM 30.0 °F 25.2 °F 23.0 °F 75% 29.98 in 10.0 mi NW 4.6 mph - N/A   Partly Cloudy