Weather History for Petaluma, CA

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Friday, October 4, 2013

  Actual Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 68 °F 61 °F  
Max Temperature 82 °F 77 °F 94 °F (2014)
Min Temperature 55 °F 45 °F 35 °F (2009)
Degree Days  
Heating Degree Days 0    
Month to date heating degree days  
Since 1 July heating degree days  
Cooling Degree Days 4    
Month to date cooling degree days  
Year to date cooling degree days  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 26 °F    
Average Humidity 21    
Maximum Humidity 41    
Minimum Humidity 13    
Precipitation  
Precipitation 0.00 in - 0.25 in (2011)
Month to date precipitation  
Year to date precipitation  
Since 1 July precipitation  
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 9 mph (NNE)    
Max Wind Speed 22 mph    
Max Gust Speed 32 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Oct. 04, 2013 Rise Set
Actual Time 7:09 AM PDT 6:48 PM PDT
Civil Twilight 6:42 AM PDT 7:14 PM PDT
Nautical Twilight 6:12 AM PDT 7:45 PM PDT
Astronomical Twilight 5:41 AM PDT 8:15 PM PDT
Moon 6:50 AM PDT (10/4) 6:34 PM PDT (10/4)
Length of Visible Light 12h 31m
Length of Day
11h 38m
Waning Crescent, 0% of the Moon is Illuminated
Oct 4
Waning Crescent
Oct 4
New
Oct 11
First Quarter
Oct 18
Full
Oct 26
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 68.0 °F 26.6 °F 21% 30.02 in 10.0 mi WSW 9.2 mph 17.3 mph N/A   Partly Cloudy
12:35 AM 66.2 °F 24.8 °F 21% 30.03 in 10.0 mi East 6.9 mph - N/A   Partly Cloudy
12:55 AM 68.0 °F 24.8 °F 20% 30.03 in 10.0 mi SW 10.4 mph - N/A   Partly Cloudy
1:15 AM 66.2 °F 26.6 °F 23% 30.03 in 10.0 mi West 8.1 mph - N/A   Partly Cloudy
1:35 AM 68.0 °F 26.6 °F 21% 30.04 in 10.0 mi North 12.7 mph 21.9 mph N/A   Clear
1:55 AM 66.2 °F 26.6 °F 23% 30.04 in 10.0 mi North 15.0 mph 24.2 mph N/A   Clear
2:15 AM 66.2 °F 24.8 °F 21% 30.05 in 10.0 mi NNW 10.4 mph 20.7 mph N/A   Clear
2:35 AM 66.2 °F 24.8 °F 21% 30.05 in 10.0 mi North 8.1 mph - N/A   Clear
2:55 AM 64.4 °F 24.8 °F 22% 30.05 in 10.0 mi NNW 4.6 mph - N/A   Clear
3:15 AM 64.4 °F 24.8 °F 22% 30.04 in 10.0 mi North 5.8 mph - N/A   Clear
3:35 AM 64.4 °F 24.8 °F 22% 30.04 in 10.0 mi North 15.0 mph 19.6 mph N/A   Clear
3:55 AM 64.4 °F 24.8 °F 22% 30.04 in 10.0 mi North 9.2 mph - N/A   Clear
4:15 AM 64.4 °F 24.8 °F 22% 30.03 in 10.0 mi North 13.8 mph 23.0 mph N/A   Clear
4:35 AM 66.2 °F 24.8 °F 21% 30.03 in 10.0 mi North 10.4 mph 20.7 mph N/A   Clear
4:55 AM 66.2 °F 24.8 °F 21% 30.03 in 10.0 mi North 12.7 mph 21.9 mph N/A   Clear
5:15 AM 66.2 °F 24.8 °F 21% 30.03 in 10.0 mi NNE 12.7 mph 24.2 mph N/A   Clear
5:35 AM 66.2 °F 24.8 °F 21% 30.03 in 10.0 mi North 11.5 mph 21.9 mph N/A   Clear
5:55 AM 64.4 °F 23.0 °F 21% 30.03 in 10.0 mi North 12.7 mph 19.6 mph N/A   Clear
6:15 AM 64.4 °F 24.8 °F 22% 30.04 in 10.0 mi North 13.8 mph 18.4 mph N/A   Clear
6:35 AM 64.4 °F 23.0 °F 21% 30.04 in 10.0 mi North 10.4 mph 16.1 mph N/A   Clear
6:55 AM 64.4 °F 23.0 °F 21% 30.04 in 10.0 mi NNE 10.4 mph 17.3 mph N/A   Clear
7:15 AM 59.0 °F 24.8 °F 27% 30.05 in 10.0 mi WSW 4.6 mph - N/A   Clear
7:35 AM 60.8 °F 24.8 °F 25% 30.05 in 10.0 mi NE 4.6 mph - N/A   Clear
7:55 AM 64.4 °F 24.8 °F 22% 30.05 in 10.0 mi North 11.5 mph - N/A   Clear
8:15 AM 66.2 °F 24.8 °F 21% 30.06 in 10.0 mi NNE 9.2 mph - N/A   Clear
8:35 AM 68.0 °F 24.8 °F 20% 30.06 in 10.0 mi NNE 11.5 mph 16.1 mph N/A   Clear
8:55 AM 68.0 °F 24.8 °F 20% 30.07 in 10.0 mi North 11.5 mph 24.2 mph N/A   Clear
9:15 AM 71.6 °F 24.8 °F 17% 30.07 in 10.0 mi North 12.7 mph 24.2 mph N/A   Clear
9:35 AM 71.6 °F 24.8 °F 17% 30.08 in 10.0 mi ENE 10.4 mph 26.5 mph N/A   Clear
9:55 AM 71.6 °F 24.8 °F 17% 30.09 in 10.0 mi NE 13.8 mph 20.7 mph N/A   Clear
10:15 AM 71.6 °F 26.6 °F 19% 30.10 in 10.0 mi NE 12.7 mph 25.3 mph N/A   Clear
10:35 AM 73.4 °F 26.6 °F 18% 30.10 in 10.0 mi NNE 11.5 mph 23.0 mph N/A   Clear
10:55 AM 73.4 °F 26.6 °F 18% 30.08 in 10.0 mi NNE 19.6 mph 32.2 mph N/A   Clear
11:15 AM 75.2 °F 26.6 °F 17% 30.08 in 10.0 mi NNE 21.9 mph 29.9 mph N/A   Clear
11:35 AM 75.2 °F 26.6 °F 17% 30.09 in 10.0 mi NNE 12.7 mph 23.0 mph N/A   Clear
11:55 AM 75.2 °F 26.6 °F 17% 30.09 in 10.0 mi NNE 15.0 mph 26.5 mph N/A   Clear
12:15 PM 77.0 °F 26.6 °F 16% 30.09 in 10.0 mi NE 11.5 mph 21.9 mph N/A   Clear
12:35 PM 77.0 °F 26.6 °F 16% 30.09 in 10.0 mi NE 17.3 mph 25.3 mph N/A   Clear
12:55 PM 77.0 °F 26.6 °F 16% 30.09 in 10.0 mi NE 17.3 mph 31.1 mph N/A   Clear
1:15 PM 78.8 °F 26.6 °F 15% 30.08 in 10.0 mi NE 16.1 mph 26.5 mph N/A   Clear
1:35 PM 78.8 °F 26.6 °F 15% 30.08 in 10.0 mi NE 13.8 mph 21.9 mph N/A   Clear
1:55 PM 78.8 °F 26.6 °F 15% 30.08 in 10.0 mi NE 11.5 mph 23.0 mph N/A   Clear
2:15 PM 78.8 °F 26.6 °F 15% 30.07 in 10.0 mi NE 13.8 mph 23.0 mph N/A   Clear
2:35 PM 80.6 °F 26.6 °F 14% 30.07 in 10.0 mi NE 11.5 mph 17.3 mph N/A   Clear
2:55 PM 80.6 °F 26.6 °F 14% 30.06 in 10.0 mi North 9.2 mph - N/A   Clear
3:15 PM 80.6 °F 26.6 °F 14% 30.06 in 10.0 mi North 6.9 mph - N/A   Clear
3:35 PM 82.4 °F 28.4 °F 14% 30.06 in 10.0 mi ESE 6.9 mph 23.0 mph N/A   Clear
3:55 PM 80.6 °F 24.8 °F 13% 30.06 in 10.0 mi NE 8.1 mph - N/A   Clear
4:15 PM 80.6 °F 24.8 °F 13% 30.06 in 10.0 mi NE 5.8 mph - N/A   Clear
4:35 PM 80.6 °F 26.6 °F 14% 30.05 in 10.0 mi NNE 8.1 mph - N/A   Clear
4:55 PM 80.6 °F 24.8 °F 13% 30.05 in 10.0 mi NNE 4.6 mph - N/A   Clear
5:15 PM 80.6 °F 26.6 °F 14% 30.05 in 10.0 mi ENE 6.9 mph - N/A   Clear
5:35 PM 80.6 °F 24.8 °F 13% 30.05 in 10.0 mi NE 6.9 mph - N/A   Clear
5:55 PM 78.8 °F 24.8 °F 14% 30.05 in 10.0 mi NNE 4.6 mph - N/A   Clear
6:15 PM 77.0 °F 26.6 °F 16% 30.06 in 10.0 mi ENE 5.8 mph - N/A   Clear
6:35 PM 73.4 °F 26.6 °F 18% 30.06 in 10.0 mi NNE 3.5 mph - N/A   Clear
6:55 PM 69.8 °F 24.8 °F 18% 30.06 in 10.0 mi Calm Calm - N/A   Clear
7:15 PM 68.0 °F 26.6 °F 21% 30.06 in 10.0 mi Calm Calm - N/A   Clear
7:35 PM 62.6 °F 28.4 °F 27% 30.07 in 10.0 mi Calm Calm - N/A   Clear
7:55 PM 60.8 °F 30.2 °F 31% 30.07 in 10.0 mi NNE 3.5 mph - N/A   Clear
8:15 PM 60.8 °F 28.4 °F 29% 30.08 in 10.0 mi NE 3.5 mph - N/A   Clear
8:35 PM 60.8 °F 28.4 °F 29% 30.08 in 10.0 mi Calm Calm - N/A   Clear
8:55 PM 62.6 °F 26.6 °F 26% 30.08 in 8.0 mi North 6.9 mph - N/A   Clear
9:15 PM 59.0 °F 30.2 °F 34% 30.08 in 10.0 mi Calm Calm - N/A   Clear
9:35 PM 59.0 °F 28.4 °F 31% 30.09 in 10.0 mi ENE 3.5 mph - N/A   Clear
9:55 PM 57.2 °F 32.0 °F 38% 30.09 in 10.0 mi Calm Calm - N/A   Clear
10:15 PM 59.0 °F 28.4 °F 31% 30.09 in 10.0 mi Calm Calm - N/A   Clear
10:35 PM 55.4 °F 32.0 °F 41% 30.09 in 10.0 mi North 3.5 mph - N/A   Clear
10:55 PM 62.6 °F 26.6 °F 26% 30.10 in 10.0 mi West 3.5 mph - N/A   Clear
11:15 PM 60.8 °F 28.4 °F 29% 30.10 in 10.0 mi SW 4.6 mph - N/A   Clear
11:35 PM 64.4 °F 28.4 °F 26% 30.10 in 10.0 mi Calm Calm - N/A   Clear
11:55 PM 62.6 °F 26.6 °F 26% 30.11 in 10.0 mi Calm Calm - N/A   Clear