Petaluma, CA

12:52 PM PST on December 11, 2019 (GMT -0800)
Petaluma

Weather History for KO69 - September, 2019

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Sunday, September 8, 2019

  Actual Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 66 °F -  
Max Temperature 80 °F 84 °F 98 °F (2004)
Min Temperature 53 °F 54 °F 43 °F (2002)
Cooling Degree Days 2    
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 56 °F    
Average Humidity 73    
Maximum Humidity 100    
Minimum Humidity 42    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.97 in    
Wind  
Wind Speed 6 mph ()    
Max Wind Speed 18 mph    
Max Gust Speed 22 mph    
Visibility 10.0 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Sep. 08, 2019 Rise Set
Actual Time 6:45 AM PDT 7:29 PM PDT
Civil Twilight 6:19 AM PDT 7:56 PM PDT
Nautical Twilight 5:47 AM PDT 8:27 PM PDT
Astronomical Twilight 5:15 AM PDT 9:00 PM PDT
Moon 4:38 PM PDT (9/8) 1:34 AM PDT (9/8)
Length of Visible Light 13h 37m
Length of Day
12h 43m
Waxing Gibbous, 76% of the Moon is Illuminated
Sep 8
Waxing Gibbous
Sep 13
Full
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 59.0 °F - 57.2 °F 94% 29.96 in 10.0 mi WNW 9.2 mph 16.1 mph N/A   Clear
12:35 AM 59.0 °F - 57.2 °F 94% 29.96 in 10.0 mi NW 4.6 mph - N/A   Unknown
12:55 AM 57.2 °F - 57.2 °F 100% 29.97 in 10.0 mi Variable 5.8 mph 11.5 mph N/A   Unknown
1:15 AM 57.2 °F - 57.2 °F 100% 29.97 in 10.0 mi Variable 4.6 mph - N/A   Unknown
1:35 AM 57.2 °F - 57.2 °F 100% 29.97 in 10.0 mi Variable 3.5 mph - N/A   Unknown
1:55 AM 57.2 °F - 57.2 °F 100% 29.97 in 10.0 mi Variable 4.6 mph - N/A   Unknown
2:15 AM 57.2 °F - 57.2 °F 100% 29.97 in 10.0 mi Variable 3.5 mph - N/A   Clear
2:35 AM 57.2 °F - 55.4 °F 94% 29.98 in 10.0 mi Variable 4.6 mph - N/A   Clear
2:55 AM 57.2 °F - 55.4 °F 94% 29.98 in 10.0 mi North - - N/A   Clear
3:15 AM 57.2 °F - 55.4 °F 94% 29.97 in 10.0 mi Variable 4.6 mph - N/A   Clear
3:35 AM 57.2 °F - 55.4 °F 94% 29.97 in 10.0 mi NW 4.6 mph - N/A   Clear
3:55 AM 57.2 °F - 55.4 °F 94% 29.98 in 10.0 mi Variable 4.6 mph - N/A   Clear
4:15 AM 55.4 °F - 55.4 °F 100% 29.97 in 10.0 mi WNW 3.5 mph - N/A   Clear
4:35 AM 57.2 °F - 55.4 °F 94% 29.97 in 10.0 mi WNW 10.4 mph - N/A   Clear
4:55 AM 57.2 °F - 55.4 °F 94% 29.97 in 10.0 mi West 11.5 mph - N/A   Clear
5:15 AM 57.2 °F - 55.4 °F 94% 29.97 in 10.0 mi NNW 5.8 mph 12.7 mph N/A   Unknown
5:35 AM 55.4 °F - 55.4 °F 100% 29.97 in 10.0 mi WNW 3.5 mph - N/A   Unknown
5:55 AM 55.4 °F - 55.4 °F 100% 29.98 in 10.0 mi West 6.9 mph - N/A   Clear
6:15 AM 55.4 °F - 55.4 °F 100% 29.98 in 10.0 mi WNW 5.8 mph - N/A   Unknown
6:35 AM 55.4 °F - 55.4 °F 100% 29.98 in 10.0 mi WNW 5.8 mph - N/A   Unknown
6:55 AM 55.4 °F - 55.4 °F 100% 29.99 in 10.0 mi Calm Calm - N/A   Unknown
7:15 AM 53.6 °F - 53.6 °F 100% 29.99 in 10.0 mi WNW 5.8 mph - N/A   Clear
7:35 AM 57.2 °F - 55.4 °F 94% 30.00 in 10.0 mi Calm Calm - N/A   Clear
7:55 AM 57.2 °F - 55.4 °F 94% 30.00 in 10.0 mi Variable 3.5 mph - N/A   Clear
8:15 AM 60.8 °F - 57.2 °F 88% 30.01 in 10.0 mi West 5.8 mph - N/A   Clear
8:35 AM 62.6 °F - 57.2 °F 82% 30.01 in 10.0 mi West 6.9 mph - N/A   Clear
8:55 AM 64.4 °F - 57.2 °F 77% 30.01 in 10.0 mi WNW 6.9 mph - N/A   Clear
9:15 AM 66.2 °F - 55.4 °F 68% 30.01 in 10.0 mi West 6.9 mph - N/A   Clear
9:35 AM 68.0 °F - 55.4 °F 64% 30.01 in 10.0 mi West 10.4 mph - N/A   Clear
9:55 AM 68.0 °F - 55.4 °F 64% 30.01 in 10.0 mi NW 6.9 mph - N/A   Clear
10:15 AM 69.8 °F - 55.4 °F 60% 30.01 in 10.0 mi Variable 5.8 mph 12.7 mph N/A   Clear
10:35 AM 71.6 °F - 55.4 °F 57% 30.01 in 10.0 mi West 6.9 mph - N/A   Clear
10:55 AM 71.6 °F - 55.4 °F 57% 30.01 in 10.0 mi WNW 6.9 mph - N/A   Clear
11:15 AM 73.4 °F - 55.4 °F 53% 30.00 in 10.0 mi WNW 8.1 mph - N/A   Clear
11:35 AM 75.2 °F - 53.6 °F 47% 30.01 in 10.0 mi Variable 5.8 mph 12.7 mph N/A   Clear
11:55 AM 75.2 °F - 53.6 °F 47% 30.00 in 10.0 mi West 8.1 mph - N/A   Clear
12:15 PM 77.0 °F - 53.6 °F 44% 30.00 in 10.0 mi Variable 4.6 mph 13.8 mph N/A   Clear
12:35 PM 78.8 °F - 55.4 °F 44% 29.99 in 10.0 mi NW 5.8 mph - N/A   Clear
12:55 PM 78.8 °F - 53.6 °F 42% 29.99 in 10.0 mi West 9.2 mph - N/A   Clear
1:15 PM 78.8 °F - 53.6 °F 42% 29.99 in 10.0 mi Variable 4.6 mph 11.5 mph N/A   Clear
1:35 PM 80.6 °F 80.5 °F 55.4 °F 42% 29.98 in 10.0 mi SW 18.4 mph - N/A   Clear
1:55 PM 80.6 °F 80.5 °F 55.4 °F 42% 29.98 in 10.0 mi West 12.7 mph 18.4 mph N/A   Clear
2:15 PM 80.6 °F 80.5 °F 55.4 °F 42% 29.98 in 10.0 mi WSW 12.7 mph - N/A   Clear
2:35 PM 80.6 °F 80.5 °F 55.4 °F 42% 29.97 in 10.0 mi West 12.7 mph 19.6 mph N/A   Clear
2:55 PM 78.8 °F - 55.4 °F 44% 29.97 in 10.0 mi WSW 13.8 mph 20.7 mph N/A   Clear
3:15 PM 78.8 °F - 53.6 °F 42% 29.97 in 10.0 mi West 16.1 mph - N/A   Clear
3:35 PM 78.8 °F - 53.6 °F 42% 29.96 in 10.0 mi West 13.8 mph 21.9 mph N/A   Clear
3:55 PM 77.0 °F - 53.6 °F 44% 29.96 in 10.0 mi WSW 13.8 mph 20.7 mph N/A   Clear
4:15 PM 77.0 °F - 55.4 °F 47% 29.96 in 10.0 mi West 11.5 mph 17.3 mph N/A   Clear
4:35 PM 77.0 °F - 55.4 °F 47% 29.95 in 10.0 mi West 11.5 mph 17.3 mph N/A   Clear
4:55 PM 77.0 °F - 55.4 °F 47% 29.95 in 10.0 mi West 13.8 mph - N/A   Clear
5:15 PM 75.2 °F - 55.4 °F 50% 29.95 in 10.0 mi SW 10.4 mph - N/A   Clear
5:35 PM 73.4 °F - 55.4 °F 53% 29.95 in 10.0 mi WSW 10.4 mph - N/A   Clear
5:55 PM 73.4 °F - 55.4 °F 53% 29.95 in 10.0 mi WSW 5.8 mph - N/A   Clear
6:15 PM 73.4 °F - 55.4 °F 53% 29.94 in 10.0 mi West 6.9 mph - N/A   Clear
6:35 PM 71.6 °F - 55.4 °F 57% 29.94 in 10.0 mi WSW 10.4 mph - N/A   Clear
6:55 PM 69.8 °F - 57.2 °F 64% 29.94 in 10.0 mi WSW 9.2 mph 16.1 mph N/A   Clear
7:15 PM 68.0 °F - 57.2 °F 68% 29.94 in 10.0 mi West 10.4 mph - N/A   Clear
7:35 PM 68.0 °F - 57.2 °F 68% 29.95 in 10.0 mi West 8.1 mph - N/A   Clear
7:55 PM 66.2 °F - 57.2 °F 73% 29.95 in 10.0 mi Variable 3.5 mph - N/A   Clear
8:15 PM 64.4 °F - 57.2 °F 77% 29.95 in 10.0 mi West 6.9 mph - N/A   Clear
8:35 PM 64.4 °F - 57.2 °F 77% 29.96 in 10.0 mi West 9.2 mph - N/A   Unknown
8:55 PM 64.4 °F - 57.2 °F 77% 29.96 in 10.0 mi Calm Calm - N/A   Unknown
9:15 PM 62.6 °F - 59.0 °F 88% 29.96 in 10.0 mi WNW 3.5 mph - N/A   Clear
9:35 PM 62.6 °F - 57.2 °F 82% 29.96 in 10.0 mi Calm Calm - N/A   Clear
9:55 PM 62.6 °F - 57.2 °F 82% 29.96 in 10.0 mi West 5.8 mph - N/A   Clear
10:15 PM 62.6 °F - 57.2 °F 82% 29.96 in 10.0 mi Variable 5.8 mph - N/A   Unknown
10:35 PM 60.8 °F - 57.2 °F 88% 29.97 in 10.0 mi Variable 3.5 mph - N/A   Clear
10:55 PM 60.8 °F - 57.2 °F 88% 29.97 in 10.0 mi Calm Calm - N/A   Clear
11:15 PM 60.8 °F - 57.2 °F 88% 29.97 in 10.0 mi Calm Calm - N/A   Unknown
11:35 PM 60.8 °F - 57.2 °F 88% 29.96 in 10.0 mi NW 3.5 mph - N/A   Clear
11:55 PM 60.8 °F - 57.2 °F 88% 29.96 in 10.0 mi NW 4.6 mph - N/A   Unknown