Petaluma, CA

12:35 PM PST on November 18, 2019 (GMT -0800)
Petaluma

Weather History for KO69 - September, 2019

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Sunday, September 29, 2019

  Actual Average (WUND) Record (WUND)
Temperature  
Mean Temperature 55 °F -  
Max Temperature 68 °F - - (-1)
Min Temperature 42 °F - - (-1)
Degree Days  
Heating Degree Days 10    
Growing Degree Days 5 (Base 50)    
Moisture  
Dew Point 45 °F    
Average Humidity 72    
Maximum Humidity 100    
Minimum Humidity 35    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 6 mph ()    
Max Wind Speed 20 mph    
Max Gust Speed 26 mph    
Visibility 9.8 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. 29, 2019 Rise Set
Actual Time 7:04 AM PDT 6:56 PM PDT
Civil Twilight 6:37 AM PDT 7:22 PM PDT
Nautical Twilight 6:07 AM PDT 7:53 PM PDT
Astronomical Twilight 5:36 AM PDT 8:24 PM PDT
Moon 8:01 AM PDT (9/29) 8:00 PM PDT (9/29)
Length of Visible Light 12h 44m
Length of Day
11h 52m
New Moon, 2% of the Moon is Illuminated
Sep 29
New Moon
Oct 5
First Quarter
Oct 13
Full
Oct 21
Last Quarter
Oct 27
New

Hourly Weather History & Observations

Time (PDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 48.2 °F - 44.6 °F 87% 29.86 in 10.0 mi Calm Calm - N/A   Clear
12:35 AM 48.2 °F - 44.6 °F 87% 29.86 in 10.0 mi Calm Calm - N/A   Clear
12:55 AM 48.2 °F - 44.6 °F 87% 29.86 in 10.0 mi WNW 4.6 mph - N/A   Clear
1:15 AM 48.2 °F - 44.6 °F 87% 29.86 in 10.0 mi WNW 6.9 mph - N/A   Clear
1:35 AM 48.2 °F - 42.8 °F 82% 29.86 in 10.0 mi NW 5.8 mph - N/A   Clear
1:55 AM 48.2 °F - 42.8 °F 82% 29.86 in 10.0 mi WNW 9.2 mph - N/A   Clear
2:15 AM 48.2 °F - 42.8 °F 82% 29.87 in 10.0 mi WNW 6.9 mph - N/A   Clear
2:35 AM 48.2 °F - 42.8 °F 82% 29.88 in 10.0 mi Variable 4.6 mph - N/A   Clear
2:55 AM 46.4 °F 44.3 °F 42.8 °F 87% 29.88 in 10.0 mi WNW 4.6 mph - N/A   Clear
3:15 AM 46.4 °F 44.3 °F 42.8 °F 87% 29.88 in 10.0 mi WNW 4.6 mph - N/A   Clear
3:35 AM 46.4 °F 44.3 °F 42.8 °F 87% 29.89 in 10.0 mi WNW 4.6 mph - N/A   Clear
3:55 AM 44.6 °F 43.1 °F 41.0 °F 87% 29.89 in 10.0 mi NNW 3.5 mph - N/A   Clear
4:15 AM 44.6 °F - 41.0 °F 87% 29.89 in 10.0 mi Calm Calm - N/A   Clear
4:35 AM 42.8 °F - 41.0 °F 93% 29.89 in 10.0 mi Calm Calm - N/A   Clear
4:55 AM 44.6 °F 41.4 °F 41.0 °F 87% 29.89 in 10.0 mi WNW 5.8 mph - N/A   Clear
5:15 AM 44.6 °F 41.4 °F 41.0 °F 87% 29.89 in 10.0 mi West 5.8 mph - N/A   Clear
5:35 AM 44.6 °F - 41.0 °F 87% 29.90 in 10.0 mi Calm Calm - N/A   Clear
5:55 AM 44.6 °F 43.1 °F 41.0 °F 87% 29.90 in 10.0 mi Variable 3.5 mph - N/A   Clear
6:15 AM 44.6 °F 42.2 °F 41.0 °F 87% 29.90 in 10.0 mi NW 4.6 mph - N/A   Clear
6:35 AM 44.6 °F - 41.0 °F 87% 29.91 in 10.0 mi Calm Calm - N/A   Clear
6:55 AM 44.6 °F - 39.2 °F 81% 29.92 in 10.0 mi Calm Calm - N/A   Clear
7:15 AM 42.8 °F - 39.2 °F 87% 29.92 in 10.0 mi Calm Calm - N/A   Clear
7:35 AM 42.8 °F - 41.0 °F 93% 29.93 in 10.0 mi Calm Calm - N/A   Clear
7:55 AM 44.6 °F - 41.0 °F 87% 29.93 in 10.0 mi Calm Calm - N/A   Clear
8:15 AM 48.2 °F - 42.8 °F 82% 29.94 in 10.0 mi Calm Calm - N/A   Clear
8:35 AM 51.8 °F - 42.8 °F 71% 29.94 in 10.0 mi West 5.8 mph - N/A   Clear
8:55 AM 53.6 °F - 42.8 °F 67% 29.95 in 10.0 mi Calm Calm - N/A   Clear
9:15 AM 57.2 °F - 42.8 °F 59% 29.95 in 10.0 mi West 5.8 mph - N/A   Clear
9:35 AM 59.0 °F - 42.8 °F 55% 29.95 in 10.0 mi Variable 4.6 mph - N/A   Clear
9:55 AM 59.0 °F - 42.8 °F 55% 29.96 in 10.0 mi WNW 5.8 mph - N/A   Clear
10:15 AM 60.8 °F - 42.8 °F 52% 29.95 in 10.0 mi WNW 6.9 mph - N/A   Clear
10:35 AM 62.6 °F - 42.8 °F 48% 29.96 in 10.0 mi WNW 4.6 mph - N/A   Clear
10:55 AM 62.6 °F - 42.8 °F 48% 29.95 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
11:15 AM 66.2 °F - 42.8 °F 43% 29.95 in 10.0 mi West 13.8 mph - N/A   Clear
11:35 AM 66.2 °F - 42.8 °F 43% 29.94 in 10.0 mi WSW 15.0 mph - N/A   Clear
11:55 AM 68.0 °F - 42.8 °F 40% 29.93 in 10.0 mi WSW 13.8 mph - N/A   Clear
12:15 PM 66.2 °F - 44.6 °F 46% 29.93 in 10.0 mi West 12.7 mph 19.6 mph N/A   Clear
12:35 PM 68.0 °F - 41.0 °F 37% 29.93 in 10.0 mi WSW 17.3 mph - N/A   Clear
12:55 PM 68.0 °F - 39.2 °F 35% 29.92 in 10.0 mi West 16.1 mph 23.0 mph N/A   Clear
1:15 PM 68.0 °F - 41.0 °F 37% 29.92 in 10.0 mi West 17.3 mph 24.2 mph N/A   Clear
1:35 PM 68.0 °F - 41.0 °F 37% 29.92 in 10.0 mi WSW 15.0 mph 21.9 mph N/A   Clear
1:55 PM 68.0 °F - 42.8 °F 40% 29.91 in 10.0 mi West 17.3 mph 24.2 mph N/A   Partly Cloudy
2:15 PM 68.0 °F - 42.8 °F 40% 29.90 in 10.0 mi West 17.3 mph 24.2 mph N/A   Mostly Cloudy
2:35 PM 68.0 °F - 42.8 °F 40% 29.90 in 10.0 mi West 18.4 mph - N/A   Mostly Cloudy
2:55 PM 68.0 °F - 44.6 °F 43% 29.90 in 10.0 mi West 18.4 mph 24.2 mph N/A   Scattered Clouds
3:15 PM 66.2 °F - 44.6 °F 46% 29.91 in 10.0 mi West 19.6 mph 25.3 mph N/A   Partly Cloudy
3:35 PM 66.2 °F - 46.4 °F 49% 29.90 in 10.0 mi West 17.3 mph 23.0 mph N/A   Partly Cloudy
3:55 PM 64.4 °F - 46.4 °F 52% 29.90 in 10.0 mi West 18.4 mph 26.5 mph N/A   Clear
4:15 PM 62.6 °F - 48.2 °F 59% 29.90 in 10.0 mi West 19.6 mph 26.5 mph N/A   Clear
4:35 PM 62.6 °F - 48.2 °F 59% 29.90 in 10.0 mi West 19.6 mph - N/A   Clear
4:55 PM 62.6 °F - 46.4 °F 55% 29.90 in 10.0 mi WSW 19.6 mph - N/A   Partly Cloudy
5:15 PM 62.6 °F - 48.2 °F 59% 29.90 in 10.0 mi West 18.4 mph 26.5 mph N/A   Partly Cloudy
5:35 PM 60.8 °F - 48.2 °F 63% 29.89 in 10.0 mi West 13.8 mph 24.2 mph N/A   Clear
5:55 PM 60.8 °F - 50.0 °F 68% 29.90 in 10.0 mi West 16.1 mph 23.0 mph N/A   Clear
6:15 PM 60.8 °F - 48.2 °F 63% 29.90 in 10.0 mi West 10.4 mph 16.1 mph N/A   Clear
6:35 PM 60.8 °F - 48.2 °F 63% 29.89 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
6:55 PM 59.0 °F - 48.2 °F 67% 29.90 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
7:15 PM 57.2 °F - 48.2 °F 72% 29.90 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
7:35 PM 57.2 °F - 48.2 °F 72% 29.90 in 10.0 mi WNW 11.5 mph - N/A   Overcast
7:55 PM 57.2 °F - 50.0 °F 77% 29.90 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
8:15 PM 57.2 °F - 51.8 °F 82% 29.89 in 7.0 mi WSW 8.1 mph - N/A   Overcast
8:35 PM 55.4 °F - 53.6 °F 94% 29.90 in 10.0 mi West 6.9 mph - N/A   Overcast
8:55 PM 55.4 °F - 53.6 °F 94% 29.90 in 10.0 mi Variable 5.8 mph - N/A   Overcast
9:15 PM 55.4 °F - 55.4 °F 100% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
9:35 PM 55.4 °F - 53.6 °F 94% 29.91 in 9.0 mi Calm Calm - N/A   Overcast
9:55 PM 55.4 °F - 55.4 °F 100% 29.90 in 10.0 mi Calm Calm - N/A   Overcast
10:15 PM 55.4 °F - 53.6 °F 94% 29.90 in 10.0 mi West 5.8 mph - N/A   Overcast
10:35 PM 53.6 °F - 53.6 °F 100% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
10:55 PM 53.6 °F - 53.6 °F 100% 29.91 in 3.0 mi Calm Calm - N/A   Overcast
11:15 PM 53.6 °F - 53.6 °F 100% 29.92 in 7.0 mi Calm Calm - N/A   Overcast
11:35 PM 51.8 °F - 51.8 °F 100% 29.92 in 10.0 mi Calm Calm - N/A   Overcast
11:55 PM 51.8 °F - 51.8 °F 100% 29.92 in 10.0 mi Calm Calm - N/A   Overcast