History for Petaluma, CA

Saturday, December 1, 2012 — View Current Conditions
Saturday, December 1, 2012
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Daily Weekly Monthly Custom
  Actual Average (KAPC) Record (KAPC)
Temperature
Mean Temperature 58 °F 47 °F  
Max Temperature 62 °F 58 °F 69 °F (2011)
Min Temperature 55 °F 37 °F 20 °F (2007)
Degree Days
Heating Degree Days 6    
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 8 (Base 50)    
Moisture
Dew Point 57 °F    
Average Humidity 95    
Maximum Humidity 100    
Minimum Humidity 77    
Precipitation
Precipitation 0.33 in - 2.30 in (1951)
Month to date precipitation  
Year to date precipitation  
Since 1 July precipitation  
Sea Level Pressure
Sea Level Pressure 29.97 in    
Wind
Wind Speed 6 mph (SSE)    
Max Wind Speed 13 mph    
Max Gust Speed 25 mph    
Visibility 6 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Local Photos
Mushrooms
On the outside looking in
As I rode a trail through Quarry Lakes today, this puppy who was walking his humans on the Alameda Creek Trail came up to the fence to sah HI. ;)
Rainy Bamboo.
The fence dividing my lots
Between showers
Mushrooms
Spiky Tails
I don't know what kind of fungi it is, but it's NOT Turkey Tails.
High
About 20-30 ft up a Live Oak
Jellyfish
Visit WunderPhotos
Astronomy
May. 24, 2013 Rise Set
Actual Time 7:08 AM PST 4:50 PM PST
Civil Twilight 6:39 AM PST 5:19 PM PST
Nautical Twilight 6:06 AM PST 5:52 PM PST
Astronomical Twilight 5:35 AM PST 6:24 PM PST
Moon 7:44 PM PST (12/1) 9:25 AM PST (12/1)
Length Of Visible Light 10h 39m
Length of Day
9h 41m
Waning Gibbous, 91% of the Moon is Illuminated
Dec 1
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
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Hourly Observations
Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 57.2 °F 55.4 °F 94% 30.00 in 10.0 mi ESE 4.6 mph - N/A   Mostly Cloudy
12:35 AM 57.2 °F 55.4 °F 94% 29.99 in 10.0 mi SE 6.9 mph - N/A   Overcast
12:55 AM 57.2 °F 55.4 °F 94% 29.99 in 10.0 mi SE 6.9 mph - N/A   Overcast
1:15 AM 57.2 °F 55.4 °F 94% 29.99 in 5.0 mi SE 6.9 mph - N/A   Mostly Cloudy
1:35 AM 57.2 °F 55.4 °F 94% 29.98 in 6.0 mi SE 5.8 mph - N/A   Overcast
2:15 AM 55.4 °F 55.4 °F 100% 29.97 in 2.5 mi ESE 8.1 mph - 0.03 in   Overcast
2:35 AM 55.4 °F 55.4 °F 100% 29.97 in 3.0 mi SE 8.1 mph - 0.04 in   Overcast
2:55 AM 55.4 °F 55.4 °F 100% 29.96 in 2.5 mi SE 8.1 mph 16.1 mph 0.04 in   Overcast
3:15 AM 55.4 °F 55.4 °F 100% 29.97 in 4.0 mi SE 8.1 mph - 0.01 in   Overcast
3:35 AM 55.4 °F 55.4 °F 100% 29.96 in 1.5 mi SE 8.1 mph - 0.02 in   Overcast
3:55 AM 55.4 °F 55.4 °F 100% 29.96 in 2.0 mi SE 9.2 mph 16.1 mph 0.03 in   Overcast
4:15 AM 55.4 °F 55.4 °F 100% 29.96 in 2.0 mi SE 5.8 mph - N/A   Overcast
4:35 AM 55.4 °F 55.4 °F 100% 29.96 in 3.0 mi SSE 6.9 mph - 0.01 in   Overcast
4:55 AM 55.4 °F 55.4 °F 100% 29.96 in 2.0 mi SE 4.6 mph - 0.01 in   Overcast
5:15 AM 55.4 °F 55.4 °F 100% 29.97 in 1.8 mi ESE 3.5 mph - 0.01 in   Overcast
5:35 AM 55.4 °F 55.4 °F 100% 29.98 in 8.0 mi East 4.6 mph - 0.01 in   Overcast
5:55 AM 55.4 °F 55.4 °F 100% 29.97 in 7.0 mi ENE 3.5 mph - 0.02 in   Overcast
6:15 AM 55.4 °F 55.4 °F 100% 29.98 in 10.0 mi ENE 3.5 mph - N/A   Overcast
6:35 AM 57.2 °F 57.2 °F 100% 29.99 in 8.0 mi ENE 3.5 mph - N/A   Overcast
6:55 AM 57.2 °F 57.2 °F 100% 30.00 in 4.0 mi Calm Calm - N/A   Overcast
7:15 AM 57.2 °F 57.2 °F 100% 30.00 in 2.0 mi Calm Calm - 0.01 in   Overcast
7:35 AM 57.2 °F 57.2 °F 100% 30.00 in 2.0 mi Calm Calm - 0.02 in   Overcast
8:15 AM 57.2 °F 57.2 °F 100% 30.01 in 1.0 mi ESE 3.5 mph - 0.03 in   Overcast
8:35 AM 57.2 °F 57.2 °F 100% 30.02 in 1.8 mi ESE 3.5 mph - 0.05 in   Mostly Cloudy
8:55 AM 57.2 °F 57.2 °F 100% 30.01 in 4.0 mi ESE 3.5 mph - 0.05 in   Scattered Clouds
9:15 AM 57.2 °F 57.2 °F 100% 30.02 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
9:35 AM 57.2 °F 57.2 °F 100% 30.03 in 10.0 mi SSE 3.5 mph - 0.01 in   Overcast
9:55 AM 57.2 °F 57.2 °F 100% 30.04 in 8.0 mi Calm Calm - 0.01 in   Overcast
10:15 AM 59.0 °F 57.2 °F 94% 30.04 in 5.0 mi Calm Calm - N/A   Overcast
10:35 AM 59.0 °F 57.2 °F 94% 30.03 in 3.0 mi Calm Calm - N/A   Overcast
10:55 AM 59.0 °F 59.0 °F 100% 30.03 in 1.8 mi ESE 4.6 mph - N/A   Overcast
11:15 AM 59.0 °F 59.0 °F 100% 30.02 in 2.0 mi Calm Calm - N/A   Mostly Cloudy
11:35 AM 59.0 °F 59.0 °F 100% 30.01 in 1.0 mi Calm Calm - 0.01 in   Overcast
11:55 AM 59.0 °F 59.0 °F 100% 30.01 in 2.0 mi SSW 4.6 mph - 0.01 in   Mostly Cloudy
12:15 PM 59.0 °F 59.0 °F 100% 30.01 in 9.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
12:35 PM 60.8 °F 59.0 °F 94% 29.99 in 10.0 mi SW 5.8 mph - N/A   Overcast
12:55 PM 62.6 °F 59.0 °F 88% 30.00 in 10.0 mi WSW 10.4 mph - N/A   Overcast
1:15 PM 62.6 °F 57.2 °F 82% 29.99 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
1:35 PM 62.6 °F 57.2 °F 82% 29.99 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
1:55 PM 62.6 °F 57.2 °F 82% 29.99 in 10.0 mi SSW 9.2 mph - N/A   Overcast
2:15 PM 62.6 °F 57.2 °F 82% 29.99 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
2:35 PM 62.6 °F 57.2 °F 82% 29.98 in 9.0 mi SSW 8.1 mph - N/A   Overcast
2:55 PM 62.6 °F 57.2 °F 82% 29.97 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
3:15 PM 62.6 °F 57.2 °F 82% 29.97 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
3:35 PM 62.6 °F 57.2 °F 82% 29.98 in 9.0 mi South 3.5 mph - N/A   Mostly Cloudy
3:55 PM 62.6 °F 55.4 °F 77% 29.97 in 10.0 mi South 4.6 mph - N/A   Overcast
4:15 PM 60.8 °F 55.4 °F 82% 29.98 in 9.0 mi SSW 5.8 mph - N/A   Overcast
4:35 PM 60.8 °F 55.4 °F 82% 29.98 in 10.0 mi South 5.8 mph - N/A   Overcast
4:55 PM 60.8 °F 53.6 °F 77% 29.97 in 10.0 mi South 4.6 mph - N/A   Overcast
5:15 PM 59.0 °F 53.6 °F 82% 29.97 in 10.0 mi SSE 5.8 mph - N/A   Overcast
5:35 PM 59.0 °F 55.4 °F 88% 29.95 in 7.0 mi ESE 5.8 mph - 0.01 in   Overcast
5:55 PM 57.2 °F 55.4 °F 94% 29.95 in 5.0 mi SE 5.8 mph - 0.02 in   Overcast
6:15 PM 57.2 °F 55.4 °F 94% 29.94 in 5.0 mi ESE 8.1 mph - 0.01 in   Overcast
6:35 PM 57.2 °F 55.4 °F 94% 29.93 in 6.0 mi ESE 8.1 mph - 0.01 in   Overcast
6:55 PM 55.4 °F 55.4 °F 100% 29.92 in 5.0 mi ESE 6.9 mph - 0.03 in   Overcast
7:15 PM 57.2 °F 57.2 °F 100% 29.92 in 3.0 mi SE 10.4 mph 17.3 mph 0.03 in   Overcast
7:35 PM 57.2 °F 57.2 °F 100% 29.91 in 4.0 mi SE 9.2 mph 19.6 mph 0.04 in   Overcast
7:55 PM 57.2 °F 57.2 °F 100% 29.91 in 3.0 mi SE 9.2 mph 16.1 mph 0.05 in   Overcast
8:15 PM 57.2 °F 57.2 °F 100% 29.90 in 5.0 mi SE 9.2 mph 16.1 mph N/A   Overcast
8:35 PM 57.2 °F 57.2 °F 100% 29.89 in 4.0 mi SE 9.2 mph - N/A   Overcast
8:55 PM 57.2 °F 57.2 °F 100% 29.89 in 3.0 mi SE 11.5 mph 17.3 mph N/A   Overcast
9:15 PM 57.2 °F 57.2 °F 100% 29.89 in 2.5 mi SE 12.7 mph 19.6 mph N/A   Overcast
9:35 PM 57.2 °F 57.2 °F 100% 29.89 in 2.5 mi SE 10.4 mph 18.4 mph 0.01 in   Overcast
9:55 PM 57.2 °F 57.2 °F 100% 29.88 in 2.5 mi SE 9.2 mph 17.3 mph 0.03 in   Overcast
10:15 PM 57.2 °F 57.2 °F 100% 29.88 in 2.0 mi SE 6.9 mph - N/A   Overcast
10:35 PM 57.2 °F 57.2 °F 100% 29.88 in 2.5 mi ESE 5.8 mph - N/A   Overcast
10:55 PM 57.2 °F 57.2 °F 100% 29.89 in 3.0 mi South 5.8 mph - N/A   Overcast
11:15 PM 60.8 °F 60.8 °F 100% 29.87 in 9.0 mi SSW 8.1 mph 16.1 mph 0.01 in   Overcast
11:35 PM 62.6 °F 59.0 °F 88% 29.88 in 8.0 mi SSW 12.7 mph 25.3 mph 0.01 in   Overcast
11:55 PM 62.6 °F 59.0 °F 88% 29.87 in 9.0 mi SSW 9.2 mph 16.1 mph 0.01 in   Overcast
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