Weather History for Petaluma, CA

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Sunday, November 25, 2012

  Actual Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 52 °F 49 °F  
Max Temperature 64 °F 60 °F 72 °F (2002)
Min Temperature 41 °F 37 °F 25 °F (2003)
Degree Days  
Heating Degree Days 12    
Month to date heating degree days  
Since 1 July heating degree days  
Cooling Degree Days 0    
Month to date cooling degree days  
Year to date cooling degree days  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 47 °F    
Average Humidity 93    
Maximum Humidity 100    
Minimum Humidity 59    
Precipitation  
Precipitation 0.00 in - 0.84 in (1983)
Month to date precipitation  
Year to date precipitation  
Since 1 July precipitation  
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 1 mph (WNW)    
Max Wind Speed 5 mph    
Max Gust Speed -    
Visibility 5 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Nov. 25, 2012 Rise Set
Actual Time 7:02 AM PST 4:52 PM PST
Civil Twilight 6:34 AM PST 5:20 PM PST
Nautical Twilight 6:01 AM PST 5:53 PM PST
Astronomical Twilight 5:29 AM PST 6:25 PM PST
Moon 3:10 PM PST (11/25) 4:23 AM PST (11/25)
Length of Visible Light 10h 46m
Length of Day
9h 49m
Waxing Gibbous, 93% of the Moon is Illuminated
Nov 25
Waxing Gibbous
Nov 28
Full
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 42.8 °F - 42.8 °F 100% 30.05 in 0.2 mi Calm Calm - N/A   Overcast
12:35 AM 42.8 °F 41.1 °F 42.8 °F 100% 30.05 in 0.5 mi West 3.5 mph - N/A   Overcast
12:55 AM 44.6 °F 43.1 °F 44.6 °F 100% 30.05 in 5.0 mi WNW 3.5 mph - N/A   Overcast
1:15 AM 41.0 °F - 41.0 °F 100% 30.04 in 0.2 mi Calm Calm - N/A   Overcast
1:35 AM 48.2 °F - 48.2 °F 100% 30.05 in 0.2 mi NNW 3.5 mph - N/A   Overcast
1:55 AM 48.2 °F - 48.2 °F 100% 30.05 in 0.2 mi WNW 4.6 mph - N/A   Overcast
2:15 AM 48.2 °F - 48.2 °F 100% 30.05 in 0.2 mi WNW 3.5 mph - N/A   Overcast
2:35 AM 46.4 °F - 46.4 °F 100% 30.04 in 0.2 mi Calm Calm - N/A   Overcast
2:55 AM 46.4 °F - 46.4 °F 100% 30.04 in 0.2 mi Calm Calm - N/A   Overcast
3:35 AM 46.4 °F - 46.4 °F 100% 30.04 in 0.2 mi Calm Calm - N/A   Overcast
3:55 AM 46.4 °F - 46.4 °F 100% 30.04 in 0.2 mi Calm Calm - N/A   Overcast
4:15 AM 46.4 °F - 46.4 °F 100% 30.03 in 0.2 mi Calm Calm - N/A   Overcast
4:35 AM 46.4 °F - 46.4 °F 100% 30.03 in 0.2 mi Calm Calm - N/A   Overcast
4:55 AM 46.4 °F - 46.4 °F 100% 30.03 in 0.2 mi Calm Calm - N/A   Overcast
5:15 AM 44.6 °F - 44.6 °F 100% 30.03 in 0.2 mi Calm Calm - N/A   Overcast
5:35 AM 42.8 °F - 42.8 °F 100% 30.03 in 0.2 mi Calm Calm - N/A   Overcast
5:55 AM 42.8 °F - 42.8 °F 100% 30.03 in 0.2 mi Calm Calm - N/A   Overcast
6:15 AM 42.8 °F - 42.8 °F 100% 30.03 in 0.2 mi Calm Calm - N/A   Overcast
6:35 AM 41.0 °F - 41.0 °F 100% 30.03 in 0.2 mi Calm Calm - N/A   Overcast
6:55 AM 41.0 °F - 41.0 °F 100% 30.03 in 0.2 mi Calm Calm - N/A   Overcast
7:15 AM 42.8 °F - 42.8 °F 100% 30.03 in 0.2 mi Calm Calm - N/A   Overcast
7:35 AM 44.6 °F - 44.6 °F 100% 30.03 in 0.2 mi Calm Calm - N/A   Overcast
7:55 AM 44.6 °F - 44.6 °F 100% 30.04 in 0.2 mi Calm Calm - N/A   Overcast
8:15 AM 44.6 °F 43.1 °F 44.6 °F 100% 30.04 in 0.2 mi West 3.5 mph - N/A   Overcast
8:35 AM 44.6 °F 43.1 °F 44.6 °F 100% 30.05 in 0.2 mi West 3.5 mph - N/A   Overcast
8:55 AM 44.6 °F - 44.6 °F 100% 30.04 in 0.2 mi Calm Calm - N/A   Overcast
9:15 AM 44.6 °F 43.1 °F 44.6 °F 100% 30.04 in 0.2 mi WNW 3.5 mph - N/A   Overcast
9:35 AM 46.4 °F 44.3 °F 46.4 °F 100% 30.05 in 0.2 mi WNW 4.6 mph - N/A   Overcast
9:55 AM 46.4 °F - 46.4 °F 100% 30.05 in 0.2 mi Calm Calm - N/A   Overcast
10:15 AM 46.4 °F - 46.4 °F 100% 30.05 in 0.2 mi Calm Calm - N/A   Overcast
10:35 AM 46.4 °F - 46.4 °F 100% 30.04 in 0.2 mi Calm Calm - N/A   Overcast
10:55 AM 48.2 °F - 48.2 °F 100% 30.04 in 0.2 mi Calm Calm - N/A   Overcast
11:15 AM 50.0 °F - 50.0 °F 100% 30.03 in 3.0 mi Calm Calm - N/A   Overcast
11:35 AM 50.0 °F - 50.0 °F 100% 30.02 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:55 AM 53.6 °F - 53.6 °F 100% 30.01 in 10.0 mi Calm Calm - N/A   Clear
12:15 PM 57.2 °F - 53.6 °F 88% 30.00 in 10.0 mi Calm Calm - N/A   Clear
12:35 PM 59.0 °F - 51.8 °F 77% 29.99 in 10.0 mi Calm Calm - N/A   Clear
12:55 PM 60.8 °F - 53.6 °F 77% 29.99 in 10.0 mi SE 3.5 mph - N/A   Clear
1:15 PM 60.8 °F - 50.0 °F 68% 29.98 in 10.0 mi Calm Calm - N/A   Clear
1:35 PM 62.6 °F - 51.8 °F 68% 29.98 in 10.0 mi ENE 3.5 mph - N/A   Clear
1:55 PM 62.6 °F - 51.8 °F 68% 29.97 in 10.0 mi Calm Calm - N/A   Clear
2:15 PM 62.6 °F - 51.8 °F 68% 29.97 in 10.0 mi Calm Calm - N/A   Clear
2:35 PM 64.4 °F - 51.8 °F 64% 29.96 in 10.0 mi Calm Calm - N/A   Clear
2:55 PM 64.4 °F - 51.8 °F 64% 29.96 in 10.0 mi ESE 3.5 mph - N/A   Clear
3:15 PM 64.4 °F - 51.8 °F 64% 29.96 in 10.0 mi Calm Calm - N/A   Clear
3:35 PM 64.4 °F - 50.0 °F 59% 29.95 in 10.0 mi Calm Calm - N/A   Clear
3:55 PM 64.4 °F - 50.0 °F 59% 29.95 in 10.0 mi Calm Calm - N/A   Clear
4:15 PM 62.6 °F - 51.8 °F 68% 29.95 in 10.0 mi Calm Calm - N/A   Clear
4:35 PM 60.8 °F - 51.8 °F 72% 29.95 in 10.0 mi Calm Calm - N/A   Clear
4:55 PM 59.0 °F - 53.6 °F 82% 29.95 in 10.0 mi WSW 3.5 mph - N/A   Clear
5:15 PM 55.4 °F - 51.8 °F 88% 29.94 in 10.0 mi Calm Calm - N/A   Clear
5:35 PM 53.6 °F - 51.8 °F 94% 29.95 in 10.0 mi NNW 4.6 mph - N/A   Clear
5:55 PM 53.6 °F - 51.8 °F 94% 29.95 in 10.0 mi NW 3.5 mph - N/A   Clear
6:15 PM 53.6 °F - 51.8 °F 94% 29.95 in 10.0 mi Calm Calm - N/A   Clear
6:35 PM 50.0 °F - 50.0 °F 100% 29.95 in 10.0 mi Calm Calm - N/A   Clear
6:55 PM 50.0 °F - 50.0 °F 100% 29.96 in 10.0 mi Calm Calm - N/A   Clear
7:15 PM 48.2 °F - 48.2 °F 100% 29.96 in 10.0 mi Calm Calm - N/A   Clear
7:35 PM 48.2 °F - 48.2 °F 100% 29.96 in 10.0 mi Calm Calm - N/A   Clear
7:55 PM 46.4 °F - 46.4 °F 100% 29.96 in 10.0 mi Calm Calm - N/A   Clear
8:15 PM 46.4 °F - 46.4 °F 100% 29.96 in 10.0 mi Calm Calm - N/A   Clear
8:35 PM 44.6 °F - 44.6 °F 100% 29.96 in 10.0 mi Calm Calm - N/A   Clear
8:55 PM 44.6 °F - 44.6 °F 100% 29.97 in 10.0 mi Calm Calm - N/A   Clear
9:15 PM 44.6 °F - 44.6 °F 100% 29.97 in 10.0 mi Calm Calm - N/A   Clear
9:35 PM 44.6 °F - 44.6 °F 100% 29.98 in 10.0 mi Calm Calm - N/A   Clear
9:55 PM 44.6 °F - 44.6 °F 100% 29.98 in 10.0 mi Calm Calm - N/A   Clear
10:15 PM 42.8 °F - 42.8 °F 100% 29.98 in 2.5 mi Calm Calm - N/A   Clear
10:35 PM 42.8 °F - 42.8 °F 100% 29.98 in 9.0 mi Calm Calm - N/A   Clear
10:55 PM 44.6 °F - 44.6 °F 100% 29.99 in 9.0 mi Calm Calm - N/A   Partly Cloudy
11:15 PM 41.0 °F - 41.0 °F 100% 29.99 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:35 PM 41.0 °F - 41.0 °F 100% 29.99 in 5.0 mi Calm Calm - N/A   Partly Cloudy
11:55 PM 41.0 °F - 41.0 °F 100% 29.99 in 5.0 mi Calm Calm - N/A   Partly Cloudy