Petaluma, CA

1:02 PM PST on November 16, 2019 (GMT -0800)
Petaluma

Weather History for KO69 - September, 2019

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Friday, September 6, 2019

  Actual Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 66 °F -  
Max Temperature 80 °F 83 °F 98 °F (2004)
Min Temperature 53 °F 54 °F 42 °F (2015)
Cooling Degree Days 2    
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 84    
Maximum Humidity 100    
Minimum Humidity 45    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 3 mph ()    
Max Wind Speed 13 mph    
Max Gust Speed 16 mph    
Visibility 6.5 miles    
Events Fog    
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. 06, 2019 Rise Set
Actual Time 6:44 AM PDT 7:32 PM PDT
Civil Twilight 6:17 AM PDT 7:59 PM PDT
Nautical Twilight 5:45 AM PDT 8:31 PM PDT
Astronomical Twilight 5:12 AM PDT 9:03 PM PDT
Moon 2:51 PM PDT (9/6) 12:00 AM PDT (9/6)
Length of Visible Light 13h 42m
Length of Day
12h 48m
First Quarter, 57% of the Moon is Illuminated
Sep 6
First Quarter
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 57.2 °F - 57.2 °F 100% 30.03 in 3.0 mi North 4.6 mph - N/A   Overcast
12:35 AM 57.2 °F - 57.2 °F 100% 30.03 in 5.0 mi Calm Calm - N/A   Overcast
12:55 AM 57.2 °F - 57.2 °F 100% 30.03 in 4.0 mi Calm Calm - N/A   Overcast
1:15 AM 57.2 °F - 57.2 °F 100% 30.03 in 7.0 mi Calm Calm - N/A   Overcast
1:35 AM 57.2 °F - 57.2 °F 100% 30.03 in 4.0 mi Calm Calm - N/A   Overcast
1:55 AM 57.2 °F - 57.2 °F 100% 30.04 in 0.8 mi Calm Calm - N/A   Overcast
2:15 AM 57.2 °F - 57.2 °F 100% 30.04 in 0.8 mi Calm Calm - N/A   Overcast
2:35 AM 57.2 °F - 57.2 °F 100% 30.04 in 0.5 mi NNW 4.6 mph - N/A Fog Fog
2:55 AM 57.2 °F - 57.2 °F 100% 30.03 in 0.2 mi Calm Calm - N/A Fog Fog
3:15 AM 55.4 °F - 55.4 °F 100% 30.04 in 0.2 mi Calm Calm - N/A Fog Fog
3:35 AM 55.4 °F - 55.4 °F 100% 30.04 in 0.2 mi Variable 4.6 mph - N/A Fog Fog
4:15 AM 55.4 °F - 55.4 °F 100% 30.04 in 0.5 mi NW 3.5 mph - N/A Fog Fog
4:35 AM 55.4 °F - 55.4 °F 100% 30.04 in 0.5 mi Calm Calm - N/A Fog Fog
4:55 AM 55.4 °F - 55.4 °F 100% 30.04 in 0.5 mi Calm Calm - N/A Fog Fog
5:15 AM 55.4 °F - 55.4 °F 100% 30.04 in 0.2 mi West 4.6 mph - N/A Fog Fog
5:35 AM 55.4 °F - 55.4 °F 100% 30.05 in 0.5 mi Calm Calm - N/A Fog Fog
5:55 AM 55.4 °F - 55.4 °F 100% 30.05 in 0.2 mi Calm Calm - N/A Fog Fog
6:15 AM 55.4 °F - 55.4 °F 100% 30.06 in 0.5 mi West 4.6 mph - N/A Fog Fog
6:35 AM 53.6 °F - 53.6 °F 100% 30.06 in 0.5 mi West 3.5 mph - N/A   Overcast
6:55 AM 53.6 °F - 53.6 °F 100% 30.06 in 0.2 mi Calm Calm - N/A Fog Fog
7:15 AM 53.6 °F - 53.6 °F 100% 30.07 in 0.2 mi Calm Calm - N/A Fog Fog
7:35 AM 55.4 °F - 55.4 °F 100% 30.08 in 0.2 mi Calm Calm - N/A Fog Fog
7:55 AM 55.4 °F - 55.4 °F 100% 30.08 in 0.2 mi Calm Calm - N/A Fog Fog
8:15 AM 55.4 °F - 55.4 °F 100% 30.09 in 0.2 mi Calm Calm - N/A Fog Fog
8:35 AM 55.4 °F - 55.4 °F 100% 30.09 in 0.8 mi Calm Calm - N/A   Overcast
8:55 AM 55.4 °F - 55.4 °F 100% 30.10 in 0.5 mi Calm Calm - N/A Fog Fog
9:15 AM 55.4 °F - 55.4 °F 100% 30.10 in 3.0 mi Calm Calm - N/A   Overcast
9:35 AM 57.2 °F - 57.2 °F 100% 30.11 in 7.0 mi Calm Calm - N/A   Overcast
9:55 AM 57.2 °F - 57.2 °F 100% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
10:15 AM 59.0 °F - 59.0 °F 100% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
10:35 AM 60.8 °F - 59.0 °F 94% 30.11 in 10.0 mi Variable 3.5 mph - N/A   Overcast
10:55 AM 62.6 °F - 59.0 °F 88% 30.11 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:15 AM 66.2 °F - 59.0 °F 78% 30.11 in 10.0 mi North 4.6 mph - N/A   Clear
11:35 AM 68.0 °F - 59.0 °F 73% 30.11 in 10.0 mi Variable 4.6 mph - N/A   Clear
11:55 AM 69.8 °F - 60.8 °F 73% 30.11 in 10.0 mi Variable 4.6 mph - N/A   Clear
12:15 PM 71.6 °F - 59.0 °F 64% 30.10 in 10.0 mi SW 4.6 mph - N/A   Clear
12:35 PM 73.4 °F - 59.0 °F 61% 30.10 in 10.0 mi Calm Calm - N/A   Clear
12:55 PM 75.2 °F - 59.0 °F 57% 30.09 in 10.0 mi SW 6.9 mph - N/A   Clear
1:15 PM 77.0 °F - 59.0 °F 54% 30.09 in 10.0 mi NW 4.6 mph - N/A   Clear
1:35 PM 78.8 °F - 57.2 °F 47% 30.09 in 10.0 mi West 9.2 mph - N/A   Clear
1:55 PM 78.8 °F - 57.2 °F 47% 30.08 in 10.0 mi WSW 5.8 mph 13.8 mph N/A   Clear
2:15 PM 80.6 °F 80.8 °F 57.2 °F 45% 30.07 in 10.0 mi West 8.1 mph - N/A   Clear
2:35 PM 80.6 °F 80.8 °F 57.2 °F 45% 30.07 in 10.0 mi Variable 6.9 mph - N/A   Clear
2:55 PM 80.6 °F 80.8 °F 57.2 °F 45% 30.06 in 10.0 mi Variable 5.8 mph 13.8 mph N/A   Clear
3:15 PM 80.6 °F 80.8 °F 57.2 °F 45% 30.06 in 10.0 mi West 12.7 mph - N/A   Clear
3:35 PM 78.8 °F - 57.2 °F 47% 30.06 in 10.0 mi Variable 6.9 mph 16.1 mph N/A   Clear
3:55 PM 77.0 °F - 55.4 °F 47% 30.06 in 10.0 mi WSW 9.2 mph - N/A   Clear
4:15 PM 77.0 °F - 57.2 °F 50% 30.06 in 10.0 mi West 10.4 mph - N/A   Clear
4:35 PM 75.2 °F - 55.4 °F 50% 30.06 in 10.0 mi West 11.5 mph - N/A   Clear
4:55 PM 75.2 °F - 57.2 °F 53% 30.05 in 10.0 mi West 11.5 mph - N/A   Clear
5:15 PM 73.4 °F - 57.2 °F 57% 30.05 in 10.0 mi West 10.4 mph - N/A   Clear
5:35 PM 73.4 °F - 55.4 °F 53% 30.05 in 10.0 mi West 11.5 mph - N/A   Clear
5:55 PM 71.6 °F - 57.2 °F 60% 30.05 in 10.0 mi Variable 4.6 mph 12.7 mph N/A   Clear
6:15 PM 69.8 °F - 57.2 °F 64% 30.05 in 10.0 mi WSW 8.1 mph - N/A   Clear
6:35 PM 68.0 °F - 57.2 °F 68% 30.05 in 10.0 mi West 6.9 mph - N/A   Clear
6:55 PM 68.0 °F - 57.2 °F 68% 30.04 in 10.0 mi Calm Calm - N/A   Clear
7:15 PM 64.4 °F - 57.2 °F 77% 30.04 in 10.0 mi WNW 4.6 mph - N/A   Clear
7:55 PM 60.8 °F - 59.0 °F 94% 30.05 in 10.0 mi WNW 5.8 mph 11.5 mph N/A   Clear
8:15 PM 59.0 °F - 59.0 °F 100% 30.05 in 10.0 mi Calm Calm - N/A   Clear
8:35 PM 59.0 °F - 57.2 °F 94% 30.05 in 10.0 mi North 3.5 mph - N/A   Clear
8:55 PM 57.2 °F - 57.2 °F 100% 30.05 in 10.0 mi Calm Calm - N/A   Clear
9:15 PM 57.2 °F - 57.2 °F 100% 30.05 in 10.0 mi NNW 3.5 mph - N/A   Clear
9:35 PM 57.2 °F - 57.2 °F 100% 30.05 in 10.0 mi Calm Calm - N/A   Clear
9:55 PM 57.2 °F - 57.2 °F 100% 30.05 in 10.0 mi Calm Calm - N/A   Clear
10:15 PM 57.2 °F - 57.2 °F 100% 30.05 in 10.0 mi West 4.6 mph - N/A   Clear
10:35 PM 57.2 °F - 57.2 °F 100% 30.05 in 10.0 mi NNW 4.6 mph - N/A   Clear
10:55 PM 57.2 °F - 57.2 °F 100% 30.05 in 9.0 mi NNW 4.6 mph - N/A   Mostly Cloudy
11:15 PM 57.2 °F - 57.2 °F 100% 30.05 in 9.0 mi Calm Calm - N/A   Overcast
11:35 PM 57.2 °F - 57.2 °F 100% 30.05 in 10.0 mi West 4.6 mph - N/A   Overcast
11:55 PM 57.2 °F - 57.2 °F 100% 30.05 in 9.0 mi Calm Calm - N/A   Overcast