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Tuesday, January 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 55 °F 52 °F  
Max Temperature 60 °F 62 °F 79 °F (1976)
Min Temperature 50 °F 42 °F 28 °F (1946)
Degree Days  
Heating Degree Days 10 13  
Month to date heating degree days 379 423  
Since 1 July heating degree days 1415 1478  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 5 (Base 50)    
Moisture  
Dew Point 46 °F    
Average Humidity 76    
Maximum Humidity 89    
Minimum Humidity 62    
Precipitation  
Precipitation 0.00 in 0.09 in 1.17 in (1963)
Month to date precipitation 1.60 2.60  
Year to date precipitation 1.60 2.60  
Since 1 July precipitation 4.91 6.71  
Sea Level Pressure  
Sea Level Pressure 30.16 in    
Wind  
Wind Speed 7 mph (West)    
Max Wind Speed 20 mph    
Max Gust Speed 24 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jan. 31, 2012 Rise Set
Actual Time 7:09 AM PST 5:30 PM PST
Civil Twilight 6:42 AM PST 5:58 PM PST
Nautical Twilight 6:11 AM PST 6:28 PM PST
Astronomical Twilight 5:40 AM PST 6:59 PM PST
Moon 11:25 AM PST (1/31) 1:01 AM PST (1/31)
Length of Visible Light 11h 15m
Length of Day
10h 21m
First Quarter, 56% of the Moon is Illuminated
Jan 31
First Quarter
Feb 7
Full
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 51.1 °F 46.0 °F 83% 30.11 in 10.0 mi West 8.1 mph - N/A   Overcast
1:53 AM 51.1 °F 46.9 °F 86% 30.11 in 10.0 mi West 3.5 mph - N/A   Overcast
2:53 AM 52.0 °F 46.0 °F 80% 30.13 in 9.0 mi Calm Calm - N/A   Overcast
3:53 AM 52.0 °F 48.0 °F 86% 30.13 in 6.0 mi NW 4.6 mph - N/A   Overcast
4:53 AM 52.0 °F 48.0 °F 86% 30.13 in 6.0 mi Calm Calm - N/A   Overcast
5:53 AM 51.1 °F 46.0 °F 83% 30.12 in 7.0 mi Calm Calm - N/A   Overcast
6:53 AM 51.1 °F 48.0 °F 89% 30.14 in 7.0 mi East 3.5 mph - N/A   Overcast
7:53 AM 51.1 °F 46.0 °F 83% 30.15 in 8.0 mi NE 3.5 mph - N/A   Overcast
8:53 AM 51.1 °F 45.0 °F 80% 30.15 in 7.0 mi ESE 10.4 mph - N/A   Scattered Clouds
9:53 AM 53.1 °F 46.0 °F 77% 30.12 in 8.0 mi ESE 18.4 mph - N/A   Clear
10:53 AM 57.0 °F 46.0 °F 67% 30.16 in 8.0 mi ESE 16.1 mph - N/A   Clear
11:53 AM 57.9 °F 46.9 °F 67% 30.14 in 8.0 mi South 4.6 mph - N/A   Clear
12:53 PM 59.0 °F 46.9 °F 64% 30.15 in 8.0 mi West 15.0 mph - N/A   Clear
1:53 PM 57.9 °F 46.9 °F 67% 30.16 in 9.0 mi West 8.1 mph - N/A   Clear
2:53 PM 55.9 °F 46.9 °F 72% 30.17 in 10.0 mi WNW 10.4 mph - N/A   Partly Cloudy
3:13 PM 55.4 °F 46.4 °F 72% 30.14 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
3:24 PM 55.4 °F 46.4 °F 72% 30.14 in 10.0 mi WNW 10.4 mph - N/A   Scattered Clouds
3:53 PM 54.0 °F 46.0 °F 75% 30.17 in 10.0 mi West 10.4 mph - N/A   Partly Cloudy
4:53 PM 53.1 °F 46.0 °F 77% 30.15 in 10.0 mi West 4.6 mph - N/A   Clear
5:53 PM 52.0 °F 46.0 °F 80% 30.17 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
6:53 PM 52.0 °F 46.0 °F 80% 30.20 in 10.0 mi WNW 9.2 mph - N/A   Overcast
7:53 PM 52.0 °F 46.0 °F 80% 30.23 in 10.0 mi WNW 6.9 mph - N/A   Overcast
8:53 PM 52.0 °F 46.0 °F 80% 30.23 in 10.0 mi West 4.6 mph - N/A   Overcast
9:53 PM 52.0 °F 45.0 °F 77% 30.25 in 10.0 mi West 9.2 mph - N/A   Overcast
10:53 PM 53.1 °F 45.0 °F 74% 30.26 in 10.0 mi West 4.6 mph - N/A   Overcast
11:20 PM 51.8 °F 44.6 °F 76% 30.23 in 10.0 mi Calm Calm - N/A   Overcast
11:53 PM 51.1 °F 44.1 °F 77% 30.24 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy