Weather History for Petaluma, CA

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Saturday, December 7, 2013

  Actual Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 36 °F 46 °F  
Max Temperature 46 °F 57 °F 70 °F (2001)
Min Temperature 26 °F 36 °F 22 °F (2009)
Degree Days  
Heating Degree Days 29    
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 29 °F    
Average Humidity 75    
Maximum Humidity 100    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in - 1.75 in (1952)
Month to date precipitation  
Year to date precipitation  
Since 1 July precipitation  
Sea Level Pressure  
Sea Level Pressure 30.12 in    
Wind  
Wind Speed 6 mph (NW)    
Max Wind Speed 16 mph    
Max Gust Speed 25 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 07, 2013 Rise Set
Actual Time 7:14 AM PST 4:49 PM PST
Civil Twilight 6:44 AM PST 5:19 PM PST
Nautical Twilight 6:11 AM PST 5:52 PM PST
Astronomical Twilight 5:39 AM PST 6:24 PM PST
Moon 11:05 AM PST (12/7) 10:34 PM PST (12/7)
Length of Visible Light 10h 34m
Length of Day
9h 35m
Waxing Crescent, 30% of the Moon is Illuminated
Dec 7
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
12:15 AM 44.6 °F 43.1 °F 44.6 °F 100% 29.94 in 10.0 mi NW 3.5 mph - N/A   Overcast
12:35 AM 44.6 °F 43.1 °F 44.6 °F 100% 29.94 in 10.0 mi NW 3.5 mph - N/A   Overcast
12:55 AM 42.8 °F 39.3 °F 42.8 °F 100% 29.94 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
1:15 AM 41.0 °F 35.8 °F 41.0 °F 100% 29.95 in 10.0 mi West 8.1 mph - N/A   Partly Cloudy
1:35 AM 41.0 °F 37.1 °F 41.0 °F 100% 29.95 in 10.0 mi WNW 5.8 mph - N/A   Partly Cloudy
1:55 AM 39.2 °F 35.9 °F 39.2 °F 100% 29.95 in 10.0 mi NW 4.6 mph - N/A   Partly Cloudy
2:15 AM 39.2 °F 35.9 °F 39.2 °F 100% 29.96 in 5.0 mi NW 4.6 mph - N/A   Partly Cloudy
2:35 AM 39.2 °F 35.9 °F 39.2 °F 100% 29.97 in 9.0 mi NW 4.6 mph - N/A   Partly Cloudy
2:55 AM 37.4 °F 32.8 °F 37.4 °F 100% 29.97 in 10.0 mi WNW 5.8 mph - N/A   Clear
3:15 AM 37.4 °F 32.8 °F 37.4 °F 100% 29.99 in 10.0 mi WNW 5.8 mph - N/A   Clear
3:35 AM 37.4 °F 33.8 °F 37.4 °F 100% 30.00 in 10.0 mi NW 4.6 mph - N/A   Scattered Clouds
3:55 AM 35.6 °F 31.7 °F 35.6 °F 100% 30.01 in 10.0 mi NNW 4.6 mph - N/A   Mostly Cloudy
4:15 AM 37.4 °F 33.8 °F 37.4 °F 100% 30.00 in 10.0 mi NW 4.6 mph - N/A   Overcast
4:35 AM 35.6 °F 29.9 °F 35.6 °F 100% 30.00 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
4:55 AM 35.6 °F 30.7 °F 35.6 °F 100% 30.01 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
5:15 AM 35.6 °F 30.7 °F 35.6 °F 100% 30.02 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
5:35 AM 35.6 °F 31.7 °F 35.6 °F 100% 30.02 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
5:55 AM 35.6 °F 30.7 °F 33.8 °F 93% 30.03 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
6:15 AM 35.6 °F 31.7 °F 33.8 °F 93% 30.04 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
6:35 AM 33.8 °F 28.6 °F 32.0 °F 93% 30.04 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
6:55 AM 33.8 °F 27.7 °F 33.8 °F 100% 30.05 in 10.0 mi NNW 6.9 mph - N/A   Mostly Cloudy
7:15 AM 35.6 °F 29.9 °F 32.0 °F 87% 30.06 in 10.0 mi WNW 6.9 mph - N/A   Partly Cloudy
7:35 AM 33.8 °F 29.6 °F 32.0 °F 93% 30.07 in 10.0 mi NW 4.6 mph - N/A   Partly Cloudy
7:55 AM 35.6 °F 29.9 °F 32.0 °F 87% 30.08 in 10.0 mi WNW 6.9 mph - N/A   Scattered Clouds
8:15 AM 35.6 °F 31.7 °F 33.8 °F 93% 30.09 in 10.0 mi NW 4.6 mph - N/A   Clear
8:35 AM 37.4 °F 32.8 °F 32.0 °F 81% 30.10 in 10.0 mi NW 5.8 mph - N/A   Clear
8:55 AM 39.2 °F 34.2 °F 32.0 °F 75% 30.11 in 10.0 mi NW 6.9 mph - N/A   Clear
9:15 AM 41.0 °F 36.4 °F 32.0 °F 70% 30.12 in 10.0 mi NW 6.9 mph - N/A   Clear
9:35 AM 41.0 °F 34.3 °F 32.0 °F 70% 30.13 in 10.0 mi WNW 11.5 mph 17.3 mph N/A   Clear
9:55 AM 42.8 °F 35.4 °F 32.0 °F 66% 30.12 in 10.0 mi WNW 15.0 mph 23.0 mph N/A   Clear
10:15 AM 42.8 °F 37.5 °F 32.0 °F 66% 30.13 in 10.0 mi NW 9.2 mph 17.3 mph N/A   Clear
10:35 AM 44.6 °F 38.8 °F 28.4 °F 53% 30.14 in 10.0 mi NW 11.5 mph 20.7 mph N/A   Clear
10:55 AM 44.6 °F 39.7 °F 28.4 °F 53% 30.14 in 10.0 mi NW 9.2 mph 17.3 mph N/A   Clear
11:15 AM 44.6 °F 37.8 °F 23.0 °F 43% 30.14 in 10.0 mi NW 15.0 mph 25.3 mph N/A   Clear
11:35 AM 44.6 °F 37.4 °F 23.0 °F 43% 30.13 in 10.0 mi NW 16.1 mph 23.0 mph N/A   Clear
11:55 AM 44.6 °F 38.8 °F 23.0 °F 43% 30.12 in 10.0 mi NW 11.5 mph 23.0 mph N/A   Clear
12:15 PM 46.4 °F 40.7 °F 24.8 °F 43% 30.11 in 10.0 mi NW 12.7 mph 18.4 mph N/A   Clear
12:35 PM 46.4 °F 40.4 °F 24.8 °F 43% 30.11 in 10.0 mi NNW 13.8 mph 20.7 mph N/A   Clear
12:55 PM 46.4 °F 40.7 °F 24.8 °F 43% 30.10 in 10.0 mi NNW 12.7 mph 18.4 mph N/A   Clear
1:15 PM 46.4 °F 42.4 °F 24.8 °F 43% 30.11 in 10.0 mi NNW 8.1 mph - N/A   Clear
1:35 PM 46.4 °F 41.9 °F 24.8 °F 43% 30.11 in 10.0 mi NNW 9.2 mph - N/A   Clear
1:55 PM 46.4 °F 41.5 °F 24.8 °F 43% 30.11 in 10.0 mi NNW 10.4 mph 16.1 mph N/A   Clear
2:15 PM 46.4 °F 41.5 °F 24.8 °F 43% 30.11 in 10.0 mi NNW 10.4 mph - N/A   Clear
2:35 PM 44.6 °F 41.4 °F 24.8 °F 46% 30.12 in 10.0 mi NW 5.8 mph 18.4 mph N/A   Clear
2:55 PM 44.6 °F 41.4 °F 24.8 °F 46% 30.13 in 10.0 mi NW 5.8 mph 16.1 mph N/A   Clear
3:15 PM 46.4 °F 42.4 °F 24.8 °F 43% 30.14 in 10.0 mi NW 8.1 mph - N/A   Clear
3:35 PM 46.4 °F 42.4 °F 23.0 °F 40% 30.16 in 10.0 mi NNW 8.1 mph - N/A   Partly Cloudy
3:55 PM 44.6 °F 40.7 °F 21.2 °F 39% 30.17 in 10.0 mi NW 6.9 mph - N/A   Clear
4:15 PM 44.6 °F 41.4 °F 23.0 °F 43% 30.17 in 10.0 mi WNW 5.8 mph - N/A   Scattered Clouds
4:35 PM 42.8 °F 38.6 °F 23.0 °F 46% 30.18 in 10.0 mi WNW 6.9 mph - N/A   Overcast
4:55 PM 41.0 °F 34.7 °F 26.6 °F 57% 30.18 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
5:15 PM 39.2 °F 33.0 °F 24.8 °F 56% 30.18 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy
5:35 PM 39.2 °F - 24.8 °F 56% 30.19 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:55 PM 35.6 °F - 24.8 °F 65% 30.19 in 10.0 mi Calm Calm - N/A   Clear
6:15 PM 35.6 °F - 24.8 °F 65% 30.19 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:35 PM 35.6 °F - 24.8 °F 65% 30.20 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:55 PM 32.0 °F - 24.8 °F 75% 30.21 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:15 PM 32.0 °F - 24.8 °F 75% 30.21 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:35 PM 32.0 °F - 23.0 °F 69% 30.22 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:55 PM 32.0 °F - 23.0 °F 69% 30.23 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:15 PM 32.0 °F 28.7 °F 23.0 °F 69% 30.24 in 10.0 mi ENE 3.5 mph - N/A   Mostly Cloudy
8:35 PM 32.0 °F - 23.0 °F 69% 30.23 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:55 PM 28.4 °F - 24.8 °F 86% 30.23 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:15 PM 28.4 °F - 24.8 °F 86% 30.24 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:35 PM 28.4 °F - 24.8 °F 86% 30.25 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:55 PM 26.6 °F - 24.8 °F 93% 30.25 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:15 PM 26.6 °F - 24.8 °F 93% 30.26 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:35 PM 26.6 °F - 24.8 °F 93% 30.27 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:55 PM 28.4 °F - 24.8 °F 86% 30.27 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:15 PM 26.6 °F - 24.8 °F 93% 30.29 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:35 PM 26.6 °F - 24.8 °F 93% 30.30 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:55 PM 26.6 °F - 24.8 °F 93% 30.28 in 10.0 mi Calm Calm - N/A   Partly Cloudy