Petaluma, CA

1:42 AM PST on November 14, 2019 (GMT -0800)
Petaluma

Weather History for KO69 - September, 2019

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Sunday, September 22, 2019

  Actual Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 67 °F -  
Max Temperature 84 °F 82 °F 99 °F (2003)
Min Temperature 50 °F 52 °F 39 °F (2017)
Cooling Degree Days 2    
Growing Degree Days 17 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 76    
Maximum Humidity 100    
Minimum Humidity 33    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 2 mph ()    
Max Wind Speed 12 mph    
Max Gust Speed 16 mph    
Visibility 5.4 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. 22, 2019 Rise Set
Actual Time 6:58 AM PDT 7:07 PM PDT
Civil Twilight 6:31 AM PDT 7:33 PM PDT
Nautical Twilight 6:00 AM PDT 8:04 PM PDT
Astronomical Twilight 5:29 AM PDT 8:35 PM PDT
Moon No Moon Rise 3:03 PM PDT (9/22)
Length of Visible Light 13h 02m
Length of Day
12h 09m
Last Quarter, 43% of the Moon is Illuminated
Sep 22
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full
Oct 21
Last 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 57.2 °F - 55.4 °F 94% 29.92 in 5.0 mi NW 3.5 mph - N/A   Mostly Cloudy
12:35 AM 55.4 °F - 55.4 °F 100% 29.91 in 5.0 mi Calm Calm - N/A   Scattered Clouds
12:55 AM 55.4 °F - 55.4 °F 100% 29.92 in 4.0 mi Calm Calm - N/A   Mostly Cloudy
1:15 AM 55.4 °F - 55.4 °F 100% 29.92 in 5.0 mi Calm Calm - N/A   Scattered Clouds
1:35 AM 53.6 °F - 53.6 °F 100% 29.92 in 5.0 mi Calm Calm - N/A   Partly Cloudy
1:55 AM 51.8 °F - 51.8 °F 100% 29.92 in 5.0 mi Calm Calm - N/A   Scattered Clouds
2:15 AM 53.6 °F - 53.6 °F 100% 29.92 in 5.0 mi Calm Calm - N/A   Mostly Cloudy
2:35 AM 53.6 °F - 53.6 °F 100% 29.92 in 5.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
3:15 AM 51.8 °F - 51.8 °F 100% 29.92 in 5.0 mi Calm Calm - N/A   Partly Cloudy
3:35 AM 51.8 °F - 51.8 °F 100% 29.92 in 4.0 mi Calm Calm - N/A   Partly Cloudy
3:55 AM 50.0 °F - 50.0 °F 100% 29.92 in 5.0 mi Calm Calm - N/A   Partly Cloudy
4:15 AM 50.0 °F - 50.0 °F 100% 29.92 in 5.0 mi Calm Calm - N/A   Clear
4:35 AM 50.0 °F - 48.2 °F 94% 29.91 in 5.0 mi Calm Calm - N/A   Partly Cloudy
4:55 AM 50.0 °F - 50.0 °F 100% 29.91 in 5.0 mi Calm Calm - N/A   Scattered Clouds
5:15 AM 50.0 °F - 50.0 °F 100% 29.92 in 5.0 mi Calm Calm - N/A   Mostly Cloudy
5:35 AM 51.8 °F - 51.8 °F 100% 29.93 in 4.0 mi Calm Calm - N/A   Scattered Clouds
5:55 AM 51.8 °F - 51.8 °F 100% 29.93 in 5.0 mi Calm Calm - N/A   Clear
6:15 AM 51.8 °F - 51.8 °F 100% 29.93 in 4.0 mi Calm Calm - N/A   Clear
6:35 AM 50.0 °F - 50.0 °F 100% 29.94 in 5.0 mi Calm Calm - N/A   Clear
6:55 AM 51.8 °F - 51.8 °F 100% 29.94 in 4.0 mi Calm Calm - N/A   Clear
7:15 AM 50.0 °F - 50.0 °F 100% 29.94 in 3.0 mi Calm Calm - N/A   Clear
7:35 AM 51.8 °F - 51.8 °F 100% 29.94 in 3.0 mi Calm Calm - N/A   Clear
7:55 AM 55.4 °F - 55.4 °F 100% 29.94 in 4.0 mi Calm Calm - N/A   Clear
8:15 AM 55.4 °F - 55.4 °F 100% 29.94 in 3.0 mi West 3.5 mph - N/A   Clear
8:35 AM 59.0 °F - 55.4 °F 88% 29.94 in 4.0 mi Calm Calm - N/A   Clear
8:55 AM 60.8 °F - 57.2 °F 88% 29.94 in 4.0 mi West 3.5 mph - N/A   Clear
9:15 AM 60.8 °F - 57.2 °F 88% 29.94 in 4.0 mi Calm Calm - N/A   Haze
9:35 AM 62.6 °F - 55.4 °F 77% 29.94 in 5.0 mi Calm Calm - N/A   Haze
9:55 AM 64.4 °F - 55.4 °F 73% 29.94 in 5.0 mi Calm Calm - N/A   Haze
10:15 AM 68.0 °F - 55.4 °F 64% 29.94 in 5.0 mi Calm Calm - N/A   Haze
10:35 AM 69.8 °F - 55.4 °F 60% 29.94 in 6.0 mi Calm Calm - N/A   Haze
10:55 AM 69.8 °F - 53.6 °F 56% 29.94 in 5.0 mi Calm Calm - N/A   Haze
11:15 AM 71.6 °F - 53.6 °F 53% 29.93 in 5.0 mi Calm Calm - N/A   Haze
11:35 AM 71.6 °F - 53.6 °F 53% 29.94 in 6.0 mi West 5.8 mph - N/A   Haze
11:55 AM 73.4 °F - 55.4 °F 53% 29.95 in 6.0 mi West 10.4 mph - N/A   Haze
12:15 PM 71.6 °F - 55.4 °F 57% 29.94 in 5.0 mi WSW 10.4 mph - N/A   Haze
12:35 PM 71.6 °F - 55.4 °F 57% 29.94 in 6.0 mi WNW 5.8 mph - N/A   Haze
12:55 PM 77.0 °F - 53.6 °F 44% 29.93 in 6.0 mi WSW 5.8 mph - N/A   Haze
1:15 PM 77.0 °F - 50.0 °F 39% 29.92 in 6.0 mi WSW 6.9 mph - N/A   Haze
1:35 PM 80.6 °F - 51.8 °F 37% 29.92 in 6.0 mi West 6.9 mph - N/A   Haze
1:55 PM 80.6 °F - 51.8 °F 37% 29.91 in 6.0 mi Variable 6.9 mph - N/A   Haze
2:15 PM 80.6 °F - 51.8 °F 37% 29.90 in 6.0 mi Variable 3.5 mph - N/A   Haze
2:35 PM 82.4 °F - 51.8 °F 35% 29.89 in 7.0 mi Variable 6.9 mph - N/A   Clear
2:55 PM 82.4 °F - 51.8 °F 35% 29.89 in 6.0 mi WNW 8.1 mph - N/A   Haze
3:15 PM 84.2 °F - 51.8 °F 33% 29.88 in 6.0 mi WNW 8.1 mph - N/A   Haze
3:35 PM 82.4 °F 81.4 °F 53.6 °F 37% 29.88 in 6.0 mi West 10.4 mph 16.1 mph N/A   Haze
3:55 PM 82.4 °F 81.4 °F 53.6 °F 37% 29.88 in 6.0 mi West 10.4 mph - N/A   Haze
4:15 PM 78.8 °F - 53.6 °F 42% 29.88 in 7.0 mi West 11.5 mph - N/A   Clear
4:35 PM 78.8 °F - 55.4 °F 44% 29.89 in 7.0 mi West 8.1 mph 15.0 mph N/A   Clear
4:55 PM 77.0 °F - 55.4 °F 47% 29.89 in 5.0 mi WSW 10.4 mph - N/A   Haze
5:15 PM 77.0 °F - 55.4 °F 47% 29.88 in 6.0 mi Variable 6.9 mph 13.8 mph N/A   Haze
5:35 PM 73.4 °F - 55.4 °F 53% 29.88 in 6.0 mi SW 11.5 mph - N/A   Haze
5:55 PM 69.8 °F - 55.4 °F 60% 29.89 in 6.0 mi WSW 8.1 mph - N/A   Haze
6:15 PM 69.8 °F - 55.4 °F 60% 29.89 in 5.0 mi West 10.4 mph - N/A   Haze
6:35 PM 69.8 °F - 55.4 °F 60% 29.89 in 6.0 mi West 9.2 mph - N/A   Haze
7:15 PM 68.0 °F - 55.4 °F 64% 29.89 in 5.0 mi WSW 8.1 mph - N/A   Haze
7:35 PM 66.2 °F - 55.4 °F 68% 29.88 in 7.0 mi West 8.1 mph - N/A   Clear
7:55 PM 66.2 °F - 55.4 °F 68% 29.89 in 7.0 mi West 8.1 mph - N/A   Clear
8:15 PM 64.4 °F - 57.2 °F 77% 29.90 in 7.0 mi WNW 4.6 mph - N/A   Clear
8:35 PM 62.6 °F - 57.2 °F 82% 29.91 in 7.0 mi Calm Calm - N/A   Clear
8:55 PM 62.6 °F - 57.2 °F 82% 29.91 in 7.0 mi Calm Calm - N/A   Clear
9:15 PM 59.0 °F - 55.4 °F 88% 29.92 in 6.0 mi Calm Calm - N/A   Haze
9:35 PM 60.8 °F - 57.2 °F 88% 29.92 in 5.0 mi Calm Calm - N/A   Clear
9:55 PM 59.0 °F - 57.2 °F 94% 29.92 in 6.0 mi Calm Calm - N/A   Clear
10:15 PM 59.0 °F - 57.2 °F 94% 29.92 in 6.0 mi NNW 4.6 mph - N/A   Clear
10:35 PM 60.8 °F - 57.2 °F 88% 29.91 in 6.0 mi Calm Calm - N/A   Clear
10:55 PM 59.0 °F - 57.2 °F 94% 29.92 in 6.0 mi Calm Calm - N/A   Clear
11:15 PM 60.8 °F - 59.0 °F 94% 29.92 in 6.0 mi WNW 4.6 mph - N/A   Clear
11:35 PM 59.0 °F - 59.0 °F 100% 29.93 in 6.0 mi North 3.5 mph - N/A   Clear
11:55 PM 59.0 °F - 59.0 °F 100% 29.92 in 5.0 mi Calm Calm - N/A   Clear