Petaluma, CA

8:17 PM PST on November 19, 2019 (GMT -0800)
Petaluma

Weather History for KO69 - September, 2019

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Friday, September 20, 2019

  Actual Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 72 °F -  
Max Temperature 86 °F 82 °F 97 °F (2011)
Min Temperature 59 °F 51 °F 38 °F (2004)
Cooling Degree Days 8    
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 50 °F    
Average Humidity 47    
Maximum Humidity 88    
Minimum Humidity 25    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.94 in    
Wind  
Wind Speed 3 mph ()    
Max Wind Speed 16 mph    
Max Gust Speed 22 mph    
Visibility 7.7 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. 20, 2019 Rise Set
Actual Time 6:56 AM PDT 7:10 PM PDT
Civil Twilight 6:29 AM PDT 7:37 PM PDT
Nautical Twilight 5:58 AM PDT 8:07 PM PDT
Astronomical Twilight 5:27 AM PDT 8:39 PM PDT
Moon 11:09 PM PDT 1:01 PM PDT
Length of Visible Light 13h 07m
Length of Day
12h 14m
Waning Gibbous, 64% of the Moon is Illuminated
Sep 20
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
8:35 AM 59.0 °F 55.4 °F 88% 29.98 in 6.0 mi Calm Calm - N/A   Clear
8:55 AM 60.8 °F 55.4 °F 82% 29.98 in 6.0 mi Variable 4.6 mph - N/A   Haze
9:15 AM 62.6 °F 53.6 °F 72% 29.98 in 7.0 mi Calm Calm - N/A   Clear
9:35 AM 64.4 °F 53.6 °F 68% 29.98 in 7.0 mi Calm Calm - N/A   Clear
9:55 AM 68.0 °F 53.6 °F 60% 29.98 in 7.0 mi Calm Calm - N/A   Clear
10:15 AM 69.8 °F 53.6 °F 56% 29.98 in 7.0 mi Calm Calm - N/A   Clear
10:35 AM 71.6 °F 53.6 °F 53% 29.98 in 7.0 mi Calm Calm - N/A   Clear
10:55 AM 73.4 °F 53.6 °F 50% 29.98 in 7.0 mi Calm Calm - N/A   Clear
11:15 AM 75.2 °F 50.0 °F 41% 29.97 in 8.0 mi Variable 4.6 mph - N/A   Clear
11:35 AM 78.8 °F 50.0 °F 36% 29.97 in 7.0 mi Calm Calm - N/A   Clear
11:55 AM 78.8 °F 48.2 °F 34% 29.96 in 8.0 mi Calm Calm - N/A   Clear
12:15 PM 80.6 °F 46.4 °F 30% 29.96 in 7.0 mi Variable 4.6 mph - N/A   Clear
12:35 PM 80.6 °F 48.2 °F 32% 29.96 in 6.0 mi Calm Calm - N/A   Haze
12:55 PM 80.6 °F 46.4 °F 30% 29.95 in 3.0 mi South 4.6 mph - N/A   Haze
1:15 PM 82.4 °F 46.4 °F 28% 29.95 in 7.0 mi Variable 4.6 mph - N/A   Clear
1:35 PM 82.4 °F 46.4 °F 28% 29.94 in 8.0 mi Calm Calm 11.5 mph N/A   Clear
1:55 PM 82.4 °F 46.4 °F 28% 29.93 in 7.0 mi Variable 3.5 mph - N/A   Clear
2:15 PM 84.2 °F 44.6 °F 25% 29.93 in 8.0 mi Variable 4.6 mph 11.5 mph N/A   Clear
2:35 PM 86.0 °F 46.4 °F 25% 29.92 in 9.0 mi Variable 6.9 mph 17.3 mph N/A   Clear
2:55 PM 84.2 °F 46.4 °F 27% 29.92 in 9.0 mi West 9.2 mph - N/A   Clear
3:15 PM 84.2 °F 48.2 °F 29% 29.92 in 8.0 mi West 13.8 mph - N/A   Clear
3:35 PM 82.4 °F 48.2 °F 30% 29.92 in 8.0 mi West 15.0 mph - N/A   Clear
3:55 PM 80.6 °F 48.2 °F 32% 29.91 in 8.0 mi West 16.1 mph 21.9 mph N/A   Clear
4:15 PM 80.6 °F 48.2 °F 32% 29.92 in 9.0 mi West 16.1 mph - N/A   Clear
4:35 PM 80.6 °F 48.2 °F 32% 29.92 in 7.0 mi West 12.7 mph 18.4 mph N/A   Clear
4:55 PM 78.8 °F 48.2 °F 34% 29.92 in 9.0 mi West 13.8 mph - N/A   Clear
5:15 PM 78.8 °F 48.2 °F 34% 29.92 in 9.0 mi WNW 9.2 mph 16.1 mph N/A   Clear
5:35 PM 78.8 °F 48.2 °F 34% 29.91 in 9.0 mi West 8.1 mph - N/A   Clear
5:55 PM 77.0 °F 48.2 °F 36% 29.91 in 8.0 mi West 9.2 mph - N/A   Clear
6:15 PM 77.0 °F 48.2 °F 36% 29.91 in 9.0 mi West 6.9 mph - N/A   Clear
6:35 PM 75.2 °F 50.0 °F 41% 29.92 in 8.0 mi WNW 3.5 mph - N/A   Clear
6:55 PM 73.4 °F 48.2 °F 41% 29.92 in 8.0 mi WNW 8.1 mph - N/A   Clear
7:15 PM 69.8 °F 50.0 °F 49% 29.92 in 8.0 mi Calm Calm - N/A   Clear
7:35 PM 69.8 °F 50.0 °F 49% 29.92 in 9.0 mi WNW 3.5 mph - N/A   Clear
7:55 PM 66.2 °F 50.0 °F 56% 29.92 in 9.0 mi Calm Calm - N/A   Clear
8:15 PM 64.4 °F 50.0 °F 59% 29.93 in 9.0 mi Calm Calm - N/A   Clear
8:35 PM 64.4 °F 50.0 °F 59% 29.93 in 10.0 mi Calm Calm - N/A   Clear
8:55 PM 64.4 °F 50.0 °F 59% 29.93 in 8.0 mi NW 3.5 mph - N/A   Clear
9:15 PM 62.6 °F 50.0 °F 63% 29.93 in 9.0 mi NNW 4.6 mph - N/A   Clear
9:35 PM 62.6 °F 50.0 °F 63% 29.93 in 8.0 mi NNW 4.6 mph - N/A   Clear
9:55 PM 60.8 °F 50.0 °F 68% 29.93 in 7.0 mi Calm Calm - N/A   Clear
10:15 PM 62.6 °F 50.0 °F 63% 29.93 in 8.0 mi Calm Calm - N/A   Clear
10:35 PM 60.8 °F 51.8 °F 72% 29.93 in 8.0 mi Calm Calm - N/A   Clear
10:55 PM 59.0 °F 50.0 °F 72% 29.93 in 7.0 mi Calm Calm - N/A   Clear
11:15 PM 59.0 °F 50.0 °F 72% 29.93 in 8.0 mi Calm Calm - N/A   Clear
11:35 PM 60.8 °F 50.0 °F 68% 29.93 in 7.0 mi NW 3.5 mph - N/A   Clear