Petaluma, CA

6:07 PM PST on November 14, 2019 (GMT -0800)
Petaluma

Weather History for KO69 - September, 2019

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Saturday, September 21, 2019

  Actual Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 70 °F -  
Max Temperature 89 °F 83 °F 102 °F (2003)
Min Temperature 50 °F 52 °F 41 °F (2012)
Cooling Degree Days 4    
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 50 °F    
Average Humidity 63    
Maximum Humidity 100    
Minimum Humidity 21    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 3 mph ()    
Max Wind Speed 17 mph    
Max Gust Speed 23 mph    
Visibility 6.4 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. 21, 2019 Rise Set
Actual Time 6:57 AM PDT 7:09 PM PDT
Civil Twilight 6:30 AM PDT 7:35 PM PDT
Nautical Twilight 5:59 AM PDT 8:06 PM PDT
Astronomical Twilight 5:28 AM PDT 8:37 PM PDT
Moon 11:57 PM PDT (9/21) 2:03 PM PDT (9/21)
Length of Visible Light 13h 04m
Length of Day
12h 11m
Waning Gibbous, 53% of the Moon is Illuminated
Sep 21
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
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 59.0 °F 51.8 °F 77% 29.93 in 7.0 mi Calm Calm - N/A   Clear
12:35 AM 57.2 °F 51.8 °F 82% 29.93 in 7.0 mi Calm Calm - N/A   Clear
12:55 AM 57.2 °F 50.0 °F 77% 29.94 in 7.0 mi West 6.9 mph - N/A   Clear
1:15 AM 59.0 °F 51.8 °F 77% 29.94 in 7.0 mi Variable 3.5 mph - N/A   Clear
1:35 AM 57.2 °F 51.8 °F 82% 29.94 in 7.0 mi Calm Calm - N/A   Clear
1:55 AM 55.4 °F 50.0 °F 82% 29.95 in 7.0 mi NNW 4.6 mph - N/A   Clear
2:15 AM 55.4 °F 51.8 °F 88% 29.95 in 7.0 mi Calm Calm - N/A   Clear
2:35 AM 55.4 °F 50.0 °F 82% 29.95 in 7.0 mi NNE 3.5 mph - N/A   Clear
2:55 AM 55.4 °F 51.8 °F 88% 29.95 in 7.0 mi Calm Calm - N/A   Clear
3:15 AM 53.6 °F 51.8 °F 94% 29.95 in 7.0 mi Calm Calm - N/A   Clear
3:35 AM 55.4 °F 50.0 °F 82% 29.95 in 7.0 mi Calm Calm - N/A   Clear
3:55 AM 53.6 °F 50.0 °F 88% 29.95 in 7.0 mi Calm Calm - N/A   Clear
4:15 AM 55.4 °F 51.8 °F 88% 29.95 in 7.0 mi Calm Calm - N/A   Clear
4:55 AM 51.8 °F 50.0 °F 94% 29.95 in 6.0 mi Calm Calm - N/A   Clear
5:15 AM 51.8 °F 50.0 °F 94% 29.95 in 6.0 mi Calm Calm - N/A   Clear
5:35 AM 50.0 °F 50.0 °F 100% 29.95 in 6.0 mi Calm Calm - N/A   Clear
5:55 AM 50.0 °F 48.2 °F 94% 29.95 in 6.0 mi Calm Calm - N/A   Clear
6:15 AM 50.0 °F 50.0 °F 100% 29.95 in 6.0 mi Calm Calm - N/A   Clear
6:35 AM 51.8 °F 50.0 °F 94% 29.96 in 6.0 mi Calm Calm - N/A   Clear
6:55 AM 50.0 °F 50.0 °F 100% 29.96 in 6.0 mi Calm Calm - N/A   Clear
7:15 AM 51.8 °F 50.0 °F 94% 29.97 in 5.0 mi Calm Calm - N/A   Clear
7:35 AM 51.8 °F 51.8 °F 100% 29.98 in 5.0 mi Calm Calm - N/A   Clear
7:55 AM 55.4 °F 51.8 °F 88% 29.98 in 5.0 mi Calm Calm - N/A   Clear
8:15 AM 59.0 °F 53.6 °F 82% 29.98 in 5.0 mi Calm Calm - N/A   Haze
8:35 AM 60.8 °F 53.6 °F 77% 29.99 in 6.0 mi Calm Calm - N/A   Haze
8:55 AM 62.6 °F 53.6 °F 72% 29.99 in 6.0 mi Calm Calm - N/A   Haze
9:15 AM 66.2 °F 53.6 °F 64% 29.99 in 6.0 mi Calm Calm - N/A   Haze
9:35 AM 68.0 °F 53.6 °F 60% 29.99 in 6.0 mi WNW 3.5 mph - N/A   Haze
9:55 AM 69.8 °F 51.8 °F 53% 29.98 in 7.0 mi Variable 4.6 mph - N/A   Clear
10:15 AM 71.6 °F 51.8 °F 50% 29.98 in 6.0 mi Calm Calm - N/A   Haze
10:35 AM 75.2 °F 51.8 °F 44% 29.98 in 6.0 mi Variable 3.5 mph - N/A   Haze
10:55 AM 77.0 °F 50.0 °F 39% 29.98 in 7.0 mi Calm Calm - N/A   Clear
11:15 AM 78.8 °F 51.8 °F 39% 29.97 in 6.0 mi Variable 3.5 mph - N/A   Haze
11:35 AM 80.6 °F 50.0 °F 34% 29.96 in 6.0 mi Calm Calm - N/A   Haze
11:55 AM 82.4 °F 48.2 °F 30% 29.95 in 5.0 mi Calm Calm - N/A   Haze
12:15 PM 84.2 °F 48.2 °F 29% 29.95 in 6.0 mi Calm Calm - N/A   Haze
12:35 PM 84.2 °F 46.4 °F 27% 29.94 in 6.0 mi WSW 4.6 mph - N/A   Haze
12:55 PM 86.0 °F 46.4 °F 25% 29.93 in 6.0 mi Variable 5.8 mph - N/A   Haze
1:15 PM 86.0 °F 46.4 °F 25% 29.92 in 6.0 mi Variable 3.5 mph - N/A   Haze
1:35 PM 87.8 °F 44.6 °F 22% 29.91 in 7.0 mi Variable 5.8 mph - N/A   Clear
1:55 PM 87.8 °F 42.8 °F 21% 29.90 in 7.0 mi Variable 6.9 mph - N/A   Clear
2:15 PM 89.6 °F 44.6 °F 21% 29.90 in 8.0 mi West 12.7 mph - N/A   Clear
2:35 PM 87.8 °F 46.4 °F 24% 29.89 in 7.0 mi West 15.0 mph - N/A   Clear
2:55 PM 87.8 °F 48.2 °F 25% 29.89 in 7.0 mi West 15.0 mph 20.7 mph N/A   Clear
3:15 PM 86.0 °F 46.4 °F 25% 29.89 in 7.0 mi West 15.0 mph 21.9 mph N/A   Clear
3:35 PM 86.0 °F 46.4 °F 25% 29.89 in 9.0 mi West 17.3 mph - N/A   Clear
3:55 PM 84.2 °F 48.2 °F 29% 29.89 in 7.0 mi West 16.1 mph 23.0 mph N/A   Clear
4:15 PM 84.2 °F 48.2 °F 29% 29.89 in 8.0 mi WNW 13.8 mph 19.6 mph N/A   Clear
4:35 PM 82.4 °F 50.0 °F 32% 29.89 in 8.0 mi WNW 9.2 mph 15.0 mph N/A   Clear
4:55 PM 80.6 °F 50.0 °F 34% 29.90 in 7.0 mi Variable 6.9 mph 13.8 mph N/A   Clear
5:15 PM 78.8 °F 48.2 °F 34% 29.90 in 7.0 mi WNW 11.5 mph - N/A   Clear
5:35 PM 78.8 °F 48.2 °F 34% 29.90 in 8.0 mi NW 8.1 mph - N/A   Clear
5:55 PM 78.8 °F 48.2 °F 34% 29.90 in 7.0 mi WNW 6.9 mph 12.7 mph N/A   Clear
6:15 PM 77.0 °F 46.4 °F 34% 29.90 in 7.0 mi West 8.1 mph - N/A   Clear
6:35 PM 75.2 °F 46.4 °F 36% 29.90 in 7.0 mi West 8.1 mph - N/A   Clear
6:55 PM 73.4 °F 48.2 °F 41% 29.90 in 7.0 mi West 5.8 mph - N/A   Clear
7:15 PM 71.6 °F 48.2 °F 43% 29.90 in 7.0 mi West 5.8 mph - N/A   Clear
7:35 PM 66.2 °F 50.0 °F 56% 29.90 in 8.0 mi NNW 3.5 mph - N/A   Clear
7:55 PM 66.2 °F 50.0 °F 56% 29.90 in 8.0 mi Calm Calm - N/A   Clear
8:15 PM 64.4 °F 50.0 °F 59% 29.90 in 7.0 mi Calm Calm - N/A   Clear
8:55 PM 62.6 °F 53.6 °F 72% 29.92 in 6.0 mi Calm Calm - N/A   Haze
9:15 PM 60.8 °F 53.6 °F 77% 29.92 in 6.0 mi NW 3.5 mph - N/A   Haze
9:35 PM 59.0 °F 55.4 °F 88% 29.92 in 5.0 mi Variable 3.5 mph - N/A   Haze
9:55 PM 59.0 °F 55.4 °F 88% 29.92 in 5.0 mi Calm Calm - N/A   Clear
10:15 PM 59.0 °F 55.4 °F 88% 29.92 in 5.0 mi Calm Calm - N/A   Clear
10:35 PM 57.2 °F 55.4 °F 94% 29.92 in 5.0 mi Calm Calm - N/A   Clear
10:55 PM 57.2 °F 53.6 °F 88% 29.92 in 5.0 mi Calm Calm - N/A   Partly Cloudy
11:15 PM 55.4 °F 55.4 °F 100% 29.92 in 5.0 mi Calm Calm - N/A   Partly Cloudy
11:35 PM 55.4 °F 53.6 °F 94% 29.92 in 4.0 mi Calm Calm - N/A   Scattered Clouds
11:55 PM 57.2 °F 55.4 °F 94% 29.92 in 5.0 mi Calm Calm - N/A   Mostly Cloudy