Petaluma, CA

5:09 PM PST on November 22, 2019 (GMT -0800)
Petaluma

Weather History for KO69 - September, 2019

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Sunday, September 15, 2019

  Actual Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 65 °F -  
Max Temperature 77 °F 81 °F 91 °F (2004)
Min Temperature 53 °F 51 °F 39 °F (2006)
Growing Degree Days 15 (Base 50)    
Moisture  
Dew Point 58 °F    
Average Humidity 85    
Maximum Humidity 100    
Minimum Humidity 44    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.87 in    
Wind  
Wind Speed 4 mph ()    
Max Wind Speed 22 mph    
Max Gust Speed 29 mph    
Visibility 7.1 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. 15, 2019 Rise Set
Actual Time 6:51 AM PDT 7:18 PM PDT
Civil Twilight 6:25 AM PDT 7:45 PM PDT
Nautical Twilight 5:54 AM PDT 8:16 PM PDT
Astronomical Twilight 5:22 AM PDT 8:47 PM PDT
Moon 8:29 PM PDT (9/15) 8:06 AM PDT (9/15)
Length of Visible Light 13h 19m
Length of Day
12h 26m
Full, 98% of the Moon is Illuminated
Sep 15
Full
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 55.4 °F 55.4 °F 100% 29.89 in 6.0 mi Calm Calm - N/A   Mist
12:35 AM 53.6 °F 53.6 °F 100% 29.89 in 6.0 mi Calm Calm - N/A   Mist
12:55 AM 53.6 °F 53.6 °F 100% 29.89 in 2.5 mi North 3.5 mph - N/A   Clear
1:15 AM 53.6 °F 53.6 °F 100% 29.90 in 6.0 mi North 4.6 mph - N/A   Clear
1:35 AM 53.6 °F 53.6 °F 100% 29.90 in 6.0 mi Calm Calm - N/A   Clear
1:55 AM 53.6 °F 53.6 °F 100% 29.90 in 6.0 mi Calm Calm - N/A   Clear
2:35 AM 55.4 °F 55.4 °F 100% 29.89 in 7.0 mi NNW 3.5 mph - N/A   Overcast
2:55 AM 57.2 °F 57.2 °F 100% 29.89 in 6.0 mi NNW 3.5 mph - N/A   Overcast
3:15 AM 57.2 °F 57.2 °F 100% 29.88 in 6.0 mi Variable 4.6 mph - N/A   Overcast
3:35 AM 57.2 °F 57.2 °F 100% 29.87 in 6.0 mi NNW 3.5 mph - N/A   Overcast
3:55 AM 57.2 °F 57.2 °F 100% 29.87 in 7.0 mi WSW 4.6 mph - N/A   Overcast
4:15 AM 57.2 °F 57.2 °F 100% 29.87 in 7.0 mi Calm Calm - N/A   Unknown
4:35 AM 57.2 °F 57.2 °F 100% 29.87 in 7.0 mi Calm Calm - N/A   Unknown
4:55 AM 57.2 °F 57.2 °F 100% 29.87 in 7.0 mi Calm Calm - N/A   Unknown
5:15 AM 57.2 °F 57.2 °F 100% 29.87 in 7.0 mi Calm Calm - N/A   Unknown
5:35 AM 55.4 °F 55.4 °F 100% 29.87 in 7.0 mi Calm Calm - N/A   Unknown
5:55 AM 57.2 °F 57.2 °F 100% 29.87 in 7.0 mi Calm Calm - N/A   Unknown
6:15 AM 55.4 °F 55.4 °F 100% 29.87 in 7.0 mi Calm Calm - N/A   Unknown
6:35 AM 55.4 °F 55.4 °F 100% 29.88 in 6.0 mi Calm Calm - N/A   Mist
6:55 AM 55.4 °F 55.4 °F 100% 29.88 in 7.0 mi Calm Calm - N/A   Overcast
7:15 AM 55.4 °F 55.4 °F 100% 29.88 in 5.0 mi Calm Calm - N/A   Overcast
7:35 AM 55.4 °F 55.4 °F 100% 29.89 in 5.0 mi Calm Calm - N/A   Overcast
7:55 AM 55.4 °F 55.4 °F 100% 29.89 in 5.0 mi Calm Calm - N/A   Overcast
8:35 AM 57.2 °F 57.2 °F 100% 29.90 in 6.0 mi Calm Calm - N/A   Overcast
8:55 AM 57.2 °F 57.2 °F 100% 29.90 in 6.0 mi Calm Calm - N/A   Overcast
9:15 AM 57.2 °F 57.2 °F 100% 29.90 in 6.0 mi Calm Calm - N/A   Overcast
9:35 AM 59.0 °F 59.0 °F 100% 29.90 in 6.0 mi Calm Calm - N/A   Mostly Cloudy
9:55 AM 59.0 °F 59.0 °F 100% 29.90 in 6.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
10:15 AM 60.8 °F 57.2 °F 88% 29.90 in 7.0 mi Calm Calm - N/A   Scattered Clouds
10:35 AM 64.4 °F 57.2 °F 77% 29.90 in 8.0 mi Calm Calm - N/A   Clear
10:55 AM 66.2 °F 57.2 °F 73% 29.90 in 8.0 mi Variable 4.6 mph - N/A   Clear
11:15 AM 68.0 °F 57.2 °F 68% 29.89 in 8.0 mi Calm Calm - N/A   Clear
11:35 AM 69.8 °F 57.2 °F 64% 29.89 in 9.0 mi Calm Calm - N/A   Clear
11:55 AM 71.6 °F 59.0 °F 64% 29.88 in 9.0 mi Variable 4.6 mph - N/A   Clear
12:15 PM 73.4 °F 59.0 °F 61% 29.88 in 9.0 mi Variable 4.6 mph - N/A   Clear
12:35 PM 75.2 °F 57.2 °F 53% 29.87 in 9.0 mi Variable 5.8 mph - N/A   Clear
12:55 PM 77.0 °F 57.2 °F 50% 29.87 in 9.0 mi WSW 9.2 mph - N/A   Clear
1:15 PM 77.0 °F 53.6 °F 44% 29.87 in 9.0 mi West 15.0 mph 20.7 mph N/A   Clear
1:35 PM 77.0 °F 53.6 °F 44% 29.87 in 8.0 mi West 10.4 mph - N/A   Clear
1:55 PM 75.2 °F 53.6 °F 47% 29.87 in 8.0 mi West 12.7 mph 18.4 mph N/A   Clear
2:15 PM 77.0 °F 55.4 °F 47% 29.86 in 8.0 mi West 12.7 mph 23.0 mph N/A   Clear
2:35 PM 75.2 °F 55.4 °F 50% 29.85 in 9.0 mi WSW 16.1 mph 21.9 mph N/A   Clear
2:55 PM 75.2 °F 55.4 °F 50% 29.84 in 8.0 mi West 15.0 mph 21.9 mph N/A   Clear
3:15 PM 73.4 °F 55.4 °F 53% 29.84 in 8.0 mi West 18.4 mph 28.8 mph N/A   Clear
3:35 PM 73.4 °F 57.2 °F 57% 29.83 in 9.0 mi West 17.3 mph 25.3 mph N/A   Clear
3:55 PM 73.4 °F 57.2 °F 57% 29.83 in 8.0 mi West 19.6 mph - N/A   Clear
4:15 PM 73.4 °F 57.2 °F 57% 29.83 in 9.0 mi West 21.9 mph 28.8 mph N/A   Clear
4:35 PM 73.4 °F 57.2 °F 57% 29.82 in 9.0 mi West 19.6 mph 26.5 mph N/A   Clear
4:55 PM 71.6 °F 59.0 °F 64% 29.82 in 7.0 mi West 18.4 mph 27.6 mph N/A   Clear
5:15 PM 71.6 °F 59.0 °F 64% 29.83 in 8.0 mi West 16.1 mph 27.6 mph N/A   Clear
5:55 PM 69.8 °F 60.8 °F 73% 29.83 in 8.0 mi West 18.4 mph 27.6 mph N/A   Clear
6:15 PM 68.0 °F 60.8 °F 78% 29.83 in 7.0 mi West 19.6 mph 26.5 mph N/A   Clear
6:35 PM 68.0 °F 62.6 °F 83% 29.83 in 8.0 mi WNW 13.8 mph 20.7 mph N/A   Clear
6:55 PM 66.2 °F 62.6 °F 88% 29.83 in 7.0 mi West 12.7 mph 19.6 mph N/A   Partly Cloudy
7:15 PM 66.2 °F 64.4 °F 94% 29.83 in 7.0 mi WNW 9.2 mph 21.9 mph N/A   Mostly Cloudy
7:35 PM 66.2 °F 64.4 °F 94% 29.84 in 8.0 mi WNW 8.1 mph 20.7 mph N/A   Unknown
7:55 PM 66.2 °F 64.4 °F 94% 29.84 in 9.0 mi West 11.5 mph 20.7 mph N/A   Overcast
8:15 PM 64.4 °F 64.4 °F 100% 29.85 in 7.0 mi WNW 6.9 mph 21.9 mph N/A   Unknown
8:35 PM 64.4 °F 64.4 °F 100% 29.85 in 9.0 mi Variable 6.9 mph - N/A   Unknown
8:55 PM 64.4 °F 64.4 °F 100% 29.86 in 8.0 mi Variable 4.6 mph - N/A   Unknown
9:15 PM 64.4 °F 64.4 °F 100% 29.86 in 4.0 mi WNW 9.2 mph 19.6 mph N/A   Mist
9:35 PM 64.4 °F 62.6 °F 94% 29.87 in 6.0 mi West 11.5 mph 17.3 mph N/A   Mist
9:55 PM 62.6 °F 62.6 °F 100% 29.86 in 5.0 mi WNW 6.9 mph - N/A   Mist
10:15 PM 62.6 °F 62.6 °F 100% 29.86 in 6.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
10:35 PM 64.4 °F 64.4 °F 100% 29.86 in 8.0 mi Variable 8.1 mph - N/A   Overcast
10:55 PM 64.4 °F 64.4 °F 100% 29.86 in 7.0 mi WNW 6.9 mph - N/A   Unknown
11:15 PM 64.4 °F 64.4 °F 100% 29.86 in 7.0 mi Variable 5.8 mph - N/A   Unknown
11:35 PM 64.4 °F 64.4 °F 100% 29.86 in 7.0 mi Variable 4.6 mph - N/A   Overcast
11:55 PM 64.4 °F 64.4 °F 100% 29.86 in 6.0 mi Variable 4.6 mph - N/A   Overcast