Weather History for Petaluma, CA

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Friday, December 6, 2013

  Actual Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 44 °F 47 °F  
Max Temperature 48 °F 57 °F 66 °F (2006)
Min Temperature 41 °F 36 °F 20 °F (2013)
Degree Days  
Heating Degree Days 20    
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  
Moisture  
Dew Point 43 °F    
Average Humidity 93    
Maximum Humidity 100    
Minimum Humidity 50    
Precipitation  
Precipitation 0.33 in - 1.78 in (1955)
Month to date precipitation  
Year to date precipitation  
Since 1 July precipitation  
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 5 mph (East)    
Max Wind Speed 14 mph    
Max Gust Speed 26 mph    
Visibility 8 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 06, 2013 Rise Set
Actual Time 7:13 AM PST 4:49 PM PST
Civil Twilight 6:43 AM PST 5:19 PM PST
Nautical Twilight 6:10 AM PST 5:52 PM PST
Astronomical Twilight 5:38 AM PST 6:24 PM PST
Moon 10:24 AM PST (12/6) 9:25 PM PST (12/6)
Length of Visible Light 10h 35m
Length of Day
9h 36m
Waxing Crescent, 20% of the Moon is Illuminated
Dec 6
Waxing Crescent
Dec 9
First Quarter
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
2:55 PM - - - N/A% 30.11 in 10.0 mi East 4.6 mph - N/A   Unknown
3:15 PM 46.4 °F 43.5 °F 28.4 °F 50% 30.11 in 10.0 mi SE 5.8 mph - N/A   Overcast
3:35 PM 44.6 °F 42.2 °F 32.0 °F 61% 30.10 in 10.0 mi SE 4.6 mph - N/A   Overcast
3:55 PM 42.8 °F 41.1 °F 37.4 °F 81% 30.10 in 8.0 mi ESE 3.5 mph - N/A   Overcast
4:15 PM 42.8 °F 40.1 °F 39.2 °F 87% 30.09 in 10.0 mi East 4.6 mph - N/A   Overcast
4:35 PM 42.8 °F 39.3 °F 39.2 °F 87% 30.08 in 10.0 mi East 5.8 mph - N/A   Overcast
4:55 PM 42.8 °F 41.1 °F 39.2 °F 87% 30.07 in 10.0 mi ESE 3.5 mph - N/A   Overcast
5:15 PM 42.8 °F 39.3 °F 39.2 °F 87% 30.06 in 10.0 mi ESE 5.8 mph - N/A   Overcast
5:35 PM 42.8 °F 38.6 °F 39.2 °F 87% 30.05 in 10.0 mi East 6.9 mph - N/A   Overcast
5:55 PM 42.8 °F 40.1 °F 39.2 °F 87% 30.04 in 10.0 mi ESE 4.6 mph - N/A   Overcast
6:15 PM 42.8 °F 41.1 °F 41.0 °F 93% 30.03 in 10.0 mi SE 3.5 mph - N/A   Overcast
6:35 PM 41.0 °F 37.1 °F 41.0 °F 100% 30.02 in 5.0 mi East 5.8 mph - 0.03 in   Overcast
6:55 PM 42.8 °F 41.1 °F 42.8 °F 100% 30.01 in 10.0 mi East 3.5 mph - 0.03 in   Overcast
7:15 PM 44.6 °F 42.2 °F 44.6 °F 100% 30.00 in 5.0 mi ENE 4.6 mph - 0.02 in   Mostly Cloudy
7:35 PM 44.6 °F 43.1 °F 44.6 °F 100% 29.99 in 4.0 mi ESE 3.5 mph - 0.03 in   Overcast
7:55 PM 44.6 °F 43.1 °F 44.6 °F 100% 29.97 in 5.0 mi ESE 3.5 mph - 0.04 in   Overcast
8:15 PM 48.2 °F - 48.2 °F 100% 29.96 in 5.0 mi SSW 9.2 mph - 0.02 in   Overcast
8:35 PM 48.2 °F - 48.2 °F 100% 29.96 in 7.0 mi WSW 12.7 mph 25.3 mph 0.03 in   Mostly Cloudy
8:55 PM 48.2 °F - 48.2 °F 100% 29.96 in 5.0 mi WSW 11.5 mph 26.5 mph 0.10 in   Overcast
9:15 PM 48.2 °F - 48.2 °F 100% 29.94 in 3.0 mi WNW 3.5 mph - 0.04 in   Overcast
9:35 PM 48.2 °F - 48.2 °F 100% 29.94 in 9.0 mi West 8.1 mph - 0.06 in   Overcast
9:55 PM 46.4 °F 40.4 °F 46.4 °F 100% 29.94 in 3.0 mi WNW 13.8 mph 21.9 mph 0.14 in   Overcast
10:15 PM 46.4 °F 42.9 °F 46.4 °F 100% 29.94 in 10.0 mi WNW 6.9 mph - 0.01 in   Overcast
10:35 PM 46.4 °F 43.5 °F 46.4 °F 100% 29.93 in 10.0 mi NW 5.8 mph - 0.01 in   Overcast
10:55 PM 46.4 °F 45.2 °F 46.4 °F 100% 29.93 in 10.0 mi NW 3.5 mph - 0.02 in   Overcast
11:15 PM 44.6 °F 43.1 °F 44.6 °F 100% 29.94 in 10.0 mi NNW 3.5 mph - N/A   Overcast
11:35 PM 44.6 °F 43.1 °F 44.6 °F 100% 29.94 in 10.0 mi NNW 3.5 mph - N/A   Overcast
11:55 PM 44.6 °F 43.1 °F 44.6 °F 100% 29.94 in 10.0 mi NW 3.5 mph - N/A   Overcast