Weather History for Petaluma, CA

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Friday, October 5, 2012

  Actual Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 63 °F 61 °F  
Max Temperature 73 °F 77 °F 93 °F (2014)
Min Temperature 53 °F 45 °F 36 °F (2009)
Degree Days  
Heating Degree Days 2    
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 13 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 77    
Maximum Humidity 100    
Minimum Humidity 47    
Precipitation  
Precipitation 0.00 in - 0.66 in (1924)
Month to date precipitation  
Year to date precipitation  
Since 1 July precipitation  
Sea Level Pressure  
Sea Level Pressure 30.13 in    
Wind  
Wind Speed 7 mph (WNW)    
Max Wind Speed 17 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Oct. 05, 2012 Rise Set
Actual Time 7:10 AM PDT 6:46 PM PDT
Civil Twilight 6:43 AM PDT 7:12 PM PDT
Nautical Twilight 6:13 AM PDT 7:43 PM PDT
Astronomical Twilight 5:42 AM PDT 8:13 PM PDT
Moon 10:18 PM PDT (10/5) 12:18 PM PDT (10/5)
Length of Visible Light 12h 28m
Length of Day
11h 35m
Waning Gibbous, 73% of the Moon is Illuminated
Oct 5
Waning Gibbous
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter
Oct 29
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 55.4 °F 50.0 °F 82% 30.16 in 9.0 mi NW 4.6 mph - N/A   Overcast
12:35 AM 55.4 °F 51.8 °F 88% 30.16 in 9.0 mi NW 5.8 mph - N/A   Overcast
12:55 AM 55.4 °F 51.8 °F 88% 30.16 in 9.0 mi NW 6.9 mph - N/A   Overcast
1:15 AM 55.4 °F 51.8 °F 88% 30.16 in 9.0 mi NW 5.8 mph - N/A   Overcast
1:35 AM 55.4 °F 51.8 °F 88% 30.16 in 9.0 mi NW 5.8 mph - N/A   Overcast
1:55 AM 55.4 °F 51.8 °F 88% 30.16 in 9.0 mi WNW 5.8 mph - N/A   Overcast
2:15 AM 55.4 °F 51.8 °F 88% 30.17 in 9.0 mi WNW 6.9 mph - N/A   Overcast
2:35 AM 55.4 °F 53.6 °F 94% 30.17 in 10.0 mi NW 5.8 mph - N/A   Overcast
2:55 AM 55.4 °F 53.6 °F 94% 30.16 in 10.0 mi WNW 11.5 mph 16.1 mph N/A   Overcast
3:15 AM 55.4 °F 53.6 °F 94% 30.16 in 10.0 mi NW 5.8 mph - N/A   Overcast
3:35 AM 57.2 °F 53.6 °F 88% 30.15 in 9.0 mi NW 4.6 mph - N/A   Overcast
3:55 AM 57.2 °F 53.6 °F 88% 30.15 in 9.0 mi NW 5.8 mph - N/A   Overcast
4:15 AM 57.2 °F 53.6 °F 88% 30.15 in 10.0 mi NW 5.8 mph - N/A   Overcast
4:35 AM 57.2 °F 53.6 °F 88% 30.15 in 10.0 mi WNW 6.9 mph - N/A   Overcast
4:55 AM 57.2 °F 53.6 °F 88% 30.15 in 10.0 mi WNW 8.1 mph - N/A   Overcast
5:15 AM 57.2 °F 53.6 °F 88% 30.14 in 10.0 mi WNW 6.9 mph - N/A   Overcast
5:35 AM 57.2 °F 53.6 °F 88% 30.14 in 10.0 mi WNW 6.9 mph - N/A   Overcast
5:55 AM 57.2 °F 53.6 °F 88% 30.14 in 10.0 mi NNW 4.6 mph - N/A   Overcast
6:15 AM 57.2 °F 51.8 °F 82% 30.14 in 10.0 mi NW 3.5 mph - N/A   Overcast
6:35 AM 55.4 °F 51.8 °F 88% 30.14 in 10.0 mi NW 3.5 mph - N/A   Overcast
6:55 AM 55.4 °F 51.8 °F 88% 30.14 in 10.0 mi NW 3.5 mph - N/A   Overcast
7:35 AM 55.4 °F 50.0 °F 82% 30.15 in 10.0 mi NW 3.5 mph - N/A   Clear
7:55 AM 53.6 °F 50.0 °F 88% 30.15 in 10.0 mi WNW 5.8 mph - N/A   Clear
8:15 AM 53.6 °F 50.0 °F 88% 30.16 in 10.0 mi West 4.6 mph - N/A   Clear
8:35 AM 55.4 °F 51.8 °F 88% 30.16 in 10.0 mi WNW 4.6 mph - N/A   Clear
8:55 AM 57.2 °F 50.0 °F 77% 30.16 in 10.0 mi NW 3.5 mph - N/A   Clear
9:15 AM 59.0 °F 50.0 °F 72% 30.16 in 10.0 mi WNW 6.9 mph - N/A   Clear
9:35 AM 59.0 °F 50.0 °F 72% 30.16 in 10.0 mi WNW 6.9 mph - N/A   Clear
9:55 AM 60.8 °F 51.8 °F 72% 30.17 in 10.0 mi WNW 5.8 mph - N/A   Clear
10:15 AM 62.6 °F 51.8 °F 68% 30.16 in 10.0 mi NW 4.6 mph - N/A   Scattered Clouds
10:35 AM 64.4 °F 53.6 °F 68% 30.16 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
10:55 AM 66.2 °F 53.6 °F 64% 30.16 in 10.0 mi West 9.2 mph - N/A   Overcast
11:15 AM 66.2 °F 53.6 °F 64% 30.15 in 10.0 mi West 8.1 mph - N/A   Overcast
11:35 AM 68.0 °F 53.6 °F 60% 30.15 in 10.0 mi NW 6.9 mph - N/A   Overcast
11:55 AM 68.0 °F 53.6 °F 60% 30.15 in 10.0 mi WNW 6.9 mph - N/A   Overcast
12:15 PM 68.0 °F 53.6 °F 60% 30.15 in 10.0 mi WNW 6.9 mph - N/A   Overcast
12:35 PM 69.8 °F 53.6 °F 56% 30.14 in 10.0 mi West 9.2 mph 16.1 mph N/A   Overcast
12:55 PM 68.0 °F 53.6 °F 60% 30.14 in 10.0 mi West 11.5 mph 21.9 mph N/A   Overcast
1:15 PM 71.6 °F 53.6 °F 53% 30.13 in 10.0 mi West 9.2 mph 20.7 mph N/A   Overcast
1:35 PM 71.6 °F 53.6 °F 53% 30.12 in 10.0 mi West 9.2 mph 18.4 mph N/A   Overcast
1:55 PM 71.6 °F 53.6 °F 53% 30.11 in 10.0 mi West 10.4 mph 19.6 mph N/A   Mostly Cloudy
2:15 PM 73.4 °F 51.8 °F 47% 30.11 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
2:35 PM 73.4 °F 53.6 °F 50% 30.10 in 10.0 mi WNW 15.0 mph 19.6 mph N/A   Overcast
2:55 PM 71.6 °F 53.6 °F 53% 30.10 in 10.0 mi West 16.1 mph 23.0 mph N/A   Scattered Clouds
3:15 PM 69.8 °F 53.6 °F 56% 30.10 in 10.0 mi WSW 17.3 mph 21.9 mph N/A   Clear
3:35 PM 71.6 °F 53.6 °F 53% 30.09 in 10.0 mi WSW 16.1 mph 23.0 mph N/A   Partly Cloudy
3:55 PM 69.8 °F 53.6 °F 56% 30.09 in 10.0 mi WSW 16.1 mph 20.7 mph N/A   Scattered Clouds
4:15 PM 68.0 °F 53.6 °F 60% 30.09 in 10.0 mi West 12.7 mph 18.4 mph N/A   Clear
4:35 PM 68.0 °F 53.6 °F 60% 30.09 in 10.0 mi WSW 12.7 mph - N/A   Clear
4:55 PM 68.0 °F 53.6 °F 60% 30.09 in 10.0 mi West 12.7 mph 18.4 mph N/A   Clear
5:15 PM 66.2 °F 53.6 °F 64% 30.09 in 10.0 mi West 11.5 mph - N/A   Clear
5:35 PM 66.2 °F 53.6 °F 64% 30.09 in 10.0 mi West 12.7 mph - N/A   Clear
5:55 PM 64.4 °F 53.6 °F 68% 30.09 in 10.0 mi West 9.2 mph - N/A   Clear
6:15 PM 64.4 °F 53.6 °F 68% 30.09 in 10.0 mi West 11.5 mph - N/A   Partly Cloudy
6:35 PM 62.6 °F 53.6 °F 72% 30.09 in 10.0 mi West 11.5 mph 16.1 mph N/A   Clear
6:55 PM 62.6 °F 53.6 °F 72% 30.09 in 10.0 mi WNW 8.1 mph - N/A   Clear
7:15 PM 59.0 °F 53.6 °F 82% 30.09 in 10.0 mi NW 3.5 mph - N/A   Clear
7:35 PM 59.0 °F 53.6 °F 82% 30.09 in 10.0 mi NNW 4.6 mph - N/A   Clear
7:55 PM 59.0 °F 53.6 °F 82% 30.09 in 10.0 mi NNW 5.8 mph - N/A   Clear
8:15 PM 57.2 °F 55.4 °F 94% 30.09 in 10.0 mi NNW 6.9 mph - N/A   Clear
8:35 PM 57.2 °F 55.4 °F 94% 30.09 in 10.0 mi NW 6.9 mph - N/A   Mostly Cloudy
8:55 PM 57.2 °F 55.4 °F 94% 30.10 in 10.0 mi NW 4.6 mph - N/A   Overcast
9:15 PM 57.2 °F 55.4 °F 94% 30.10 in 10.0 mi NW 4.6 mph - N/A   Overcast
9:35 PM 57.2 °F 55.4 °F 94% 30.10 in 10.0 mi NW 5.8 mph - N/A   Overcast
9:55 PM 57.2 °F 55.4 °F 94% 30.10 in 10.0 mi NW 4.6 mph - N/A   Overcast
10:15 PM 57.2 °F 55.4 °F 94% 30.09 in 10.0 mi NW 3.5 mph - N/A   Overcast
10:35 PM 55.4 °F 53.6 °F 94% 30.09 in 10.0 mi WNW 5.8 mph - N/A   Overcast
10:55 PM 55.4 °F 53.6 °F 94% 30.09 in 10.0 mi WNW 4.6 mph - N/A   Scattered Clouds
11:15 PM 55.4 °F 53.6 °F 94% 30.09 in 10.0 mi WSW 4.6 mph - N/A   Clear
11:35 PM 55.4 °F 53.6 °F 94% 30.09 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
11:55 PM 53.6 °F 53.6 °F 100% 30.09 in 5.0 mi West 4.6 mph - N/A   Overcast