Weather History for Petaluma, CA

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Tuesday, September 24, 2013

  Actual Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 65 °F 63 °F  
Max Temperature 77 °F 79 °F 91 °F (2004)
Min Temperature 53 °F 48 °F 40 °F (2005)
Degree Days  
Heating Degree Days 0    
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 15 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 72    
Maximum Humidity 100    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in - 0.62 in (1986)
Month to date precipitation  
Year to date precipitation  
Since 1 July precipitation  
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 8 mph (WNW)    
Max Wind Speed 24 mph    
Max Gust Speed 33 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 24, 2013 Rise Set
Actual Time 7:00 AM PDT 7:03 PM PDT
Civil Twilight 6:33 AM PDT 7:30 PM PDT
Nautical Twilight 6:03 AM PDT 8:00 PM PDT
Astronomical Twilight 5:31 AM PDT 8:31 PM PDT
Moon 10:30 PM PDT (9/24) 12:15 PM PDT (9/24)
Length of Visible Light 12h 56m
Length of Day
12h 03m
Waning Gibbous, 72% of the Moon is Illuminated
Sep 24
Waning Gibbous
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
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 55.4 °F 100% 29.97 in 10.0 mi Calm Calm - N/A   Scattered Clouds
12:35 AM 55.4 °F 55.4 °F 100% 29.97 in 10.0 mi NW 3.5 mph - N/A   Partly Cloudy
12:55 AM 55.4 °F 55.4 °F 100% 29.97 in 10.0 mi WNW 6.9 mph - N/A   Clear
1:15 AM 57.2 °F 57.2 °F 100% 29.96 in 10.0 mi West 5.8 mph - N/A   Clear
1:35 AM 57.2 °F 55.4 °F 94% 29.96 in 10.0 mi WNW 4.6 mph - N/A   Scattered Clouds
1:55 AM 55.4 °F 55.4 °F 100% 29.96 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
2:15 AM 55.4 °F 53.6 °F 94% 29.96 in 10.0 mi NW 3.5 mph - N/A   Overcast
2:35 AM 55.4 °F 53.6 °F 94% 29.96 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
2:55 AM 53.6 °F 53.6 °F 100% 29.96 in 10.0 mi Calm Calm - N/A   Overcast
3:15 AM 53.6 °F 53.6 °F 100% 29.96 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:35 AM 53.6 °F 53.6 °F 100% 29.96 in 10.0 mi NNW 3.5 mph - N/A   Overcast
3:55 AM 53.6 °F 53.6 °F 100% 29.96 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:15 AM 53.6 °F 53.6 °F 100% 29.96 in 10.0 mi NW 3.5 mph - N/A   Overcast
4:35 AM 55.4 °F 53.6 °F 94% 29.96 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
4:55 AM 53.6 °F 53.6 °F 100% 29.96 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:15 AM 53.6 °F 53.6 °F 100% 29.95 in 10.0 mi Calm Calm - N/A   Clear
5:35 AM 53.6 °F 53.6 °F 100% 29.96 in 10.0 mi NW 3.5 mph - N/A   Clear
5:55 AM 55.4 °F 51.8 °F 88% 29.97 in 10.0 mi WNW 6.9 mph - N/A   Scattered Clouds
6:15 AM 55.4 °F 51.8 °F 88% 29.97 in 10.0 mi WNW 8.1 mph - N/A   Partly Cloudy
6:35 AM 55.4 °F 51.8 °F 88% 29.97 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy
6:55 AM 55.4 °F 51.8 °F 88% 29.98 in 10.0 mi WNW 8.1 mph - N/A   Clear
7:15 AM 55.4 °F 51.8 °F 88% 29.97 in 9.0 mi WNW 8.1 mph - N/A   Clear
7:35 AM 55.4 °F 51.8 °F 88% 29.98 in 10.0 mi WNW 8.1 mph - N/A   Clear
7:55 AM 55.4 °F 51.8 °F 88% 29.98 in 10.0 mi WNW 6.9 mph - N/A   Clear
8:15 AM 57.2 °F 53.6 °F 88% 29.98 in 10.0 mi WNW 5.8 mph - N/A   Clear
8:35 AM 57.2 °F 53.6 °F 88% 29.98 in 10.0 mi WNW 5.8 mph - N/A   Clear
8:55 AM 59.0 °F 53.6 °F 82% 29.98 in 10.0 mi WNW 6.9 mph - N/A   Clear
9:15 AM 62.6 °F 53.6 °F 72% 29.99 in 10.0 mi WNW 5.8 mph - N/A   Clear
9:35 AM 64.4 °F 51.8 °F 64% 30.00 in 10.0 mi WNW 11.5 mph 16.1 mph N/A   Clear
9:55 AM 66.2 °F 50.0 °F 56% 30.00 in 10.0 mi WNW 11.5 mph 18.4 mph N/A   Clear
10:15 AM 68.0 °F 50.0 °F 52% 30.00 in 10.0 mi West 15.0 mph - N/A   Clear
10:35 AM 69.8 °F 48.2 °F 46% 30.00 in 10.0 mi WNW 16.1 mph 20.7 mph N/A   Clear
10:55 AM 71.6 °F 50.0 °F 46% 29.99 in 10.0 mi West 11.5 mph - N/A   Clear
11:15 AM 73.4 °F 48.2 °F 41% 29.99 in 10.0 mi WSW 10.4 mph 18.4 mph N/A   Clear
11:35 AM 73.4 °F 50.0 °F 44% 29.99 in 10.0 mi West 17.3 mph 21.9 mph N/A   Clear
11:55 AM 73.4 °F 50.0 °F 44% 29.99 in 10.0 mi WSW 13.8 mph 23.0 mph N/A   Clear
12:15 PM 75.2 °F 50.0 °F 41% 29.99 in 10.0 mi WSW 15.0 mph 25.3 mph N/A   Clear
12:35 PM 73.4 °F 50.0 °F 44% 29.99 in 10.0 mi West 21.9 mph 28.8 mph N/A   Clear
12:55 PM 75.2 °F 50.0 °F 41% 29.97 in 10.0 mi West 17.3 mph 25.3 mph N/A   Clear
1:15 PM 75.2 °F 50.0 °F 41% 29.96 in 10.0 mi West 13.8 mph 18.4 mph N/A   Clear
1:35 PM 77.0 °F 50.0 °F 39% 29.95 in 10.0 mi WSW 13.8 mph 17.3 mph N/A   Clear
1:55 PM 77.0 °F 50.0 °F 39% 29.94 in 10.0 mi West 15.0 mph 19.6 mph N/A   Clear
2:15 PM 75.2 °F 51.8 °F 44% 29.94 in 10.0 mi West 17.3 mph 24.2 mph N/A   Clear
2:35 PM 75.2 °F 51.8 °F 44% 29.94 in 10.0 mi West 15.0 mph 28.8 mph N/A   Clear
2:55 PM 73.4 °F 53.6 °F 50% 29.94 in 10.0 mi West 18.4 mph 27.6 mph N/A   Clear
3:15 PM 73.4 °F 51.8 °F 47% 29.94 in 10.0 mi West 24.2 mph 32.2 mph N/A   Clear
3:35 PM 73.4 °F 51.8 °F 47% 29.93 in 10.0 mi West 19.6 mph 29.9 mph N/A   Clear
3:55 PM 73.4 °F 51.8 °F 47% 29.93 in 10.0 mi West 24.2 mph 29.9 mph N/A   Clear
4:15 PM 69.8 °F 51.8 °F 53% 29.93 in 10.0 mi West 23.0 mph 33.4 mph N/A   Clear
4:35 PM 68.0 °F 51.8 °F 56% 29.93 in 10.0 mi West 24.2 mph 33.4 mph N/A   Clear
4:55 PM 68.0 °F 51.8 °F 56% 29.93 in 10.0 mi West 21.9 mph 32.2 mph N/A   Clear
5:15 PM 68.0 °F 51.8 °F 56% 29.93 in 10.0 mi West 21.9 mph 29.9 mph N/A   Clear
5:35 PM 66.2 °F 50.0 °F 56% 29.93 in 10.0 mi West 19.6 mph 29.9 mph N/A   Clear
5:55 PM 66.2 °F 50.0 °F 56% 29.93 in 10.0 mi West 20.7 mph 25.3 mph N/A   Clear
6:15 PM 64.4 °F 51.8 °F 64% 29.92 in 10.0 mi West 12.7 mph 23.0 mph N/A   Clear
6:35 PM 64.4 °F 51.8 °F 64% 29.93 in 10.0 mi West 16.1 mph 24.2 mph N/A   Clear
6:55 PM 62.6 °F 51.8 °F 68% 29.93 in 10.0 mi West 12.7 mph 25.3 mph N/A   Clear
7:15 PM 60.8 °F 51.8 °F 72% 29.93 in 10.0 mi West 13.8 mph 26.5 mph N/A   Clear
7:35 PM 59.0 °F 50.0 °F 72% 29.92 in 10.0 mi West 11.5 mph 17.3 mph N/A   Clear
7:55 PM 59.0 °F 50.0 °F 72% 29.93 in 10.0 mi WNW 11.5 mph - N/A   Clear
8:15 PM 59.0 °F 50.0 °F 72% 29.93 in 10.0 mi West 10.4 mph - N/A   Clear
8:35 PM 59.0 °F 50.0 °F 72% 29.93 in 10.0 mi West 12.7 mph 16.1 mph N/A   Clear
8:55 PM 59.0 °F 50.0 °F 72% 29.93 in 10.0 mi West 11.5 mph 17.3 mph N/A   Clear
9:15 PM 57.2 °F 50.0 °F 77% 29.93 in 10.0 mi West 15.0 mph - N/A   Clear
9:35 PM 57.2 °F 50.0 °F 77% 29.94 in 10.0 mi West 13.8 mph 18.4 mph N/A   Clear
9:55 PM 57.2 °F 50.0 °F 77% 29.94 in 10.0 mi West 12.7 mph - N/A   Clear
10:15 PM 57.2 °F 48.2 °F 72% 29.94 in 10.0 mi West 10.4 mph - N/A   Clear
10:35 PM 57.2 °F 48.2 °F 72% 29.94 in 10.0 mi West 11.5 mph - N/A   Clear
10:55 PM 55.4 °F 48.2 °F 77% 29.95 in 10.0 mi WNW 9.2 mph - N/A   Clear
11:15 PM 55.4 °F 48.2 °F 77% 29.95 in 10.0 mi WNW 8.1 mph - N/A   Clear
11:35 PM 53.6 °F 48.2 °F 82% 29.95 in 10.0 mi WNW 8.1 mph - N/A   Clear
11:55 PM 53.6 °F 48.2 °F 82% 29.94 in 10.0 mi WNW 4.6 mph - N/A   Clear