Weather History for Petaluma, CA

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Wednesday, October 9, 2013

  Actual Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 58 °F 60 °F  
Max Temperature 71 °F 76 °F 88 °F (1999)
Min Temperature 44 °F 44 °F 37 °F (2008)
Degree Days  
Heating Degree Days 8    
Month to date heating degree days  
Since 1 July heating degree days  
Cooling Degree Days 0    
Month to date cooling degree days  
Year to date cooling degree days  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 41 °F    
Average Humidity 61    
Maximum Humidity 93    
Minimum Humidity 31    
Precipitation  
Precipitation 0.00 in - 1.18 in (1947)
Month to date precipitation  
Year to date precipitation  
Since 1 July precipitation  
Sea Level Pressure  
Sea Level Pressure 29.69 in    
Wind  
Wind Speed 7 mph (West)    
Max Wind Speed 15 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Oct. 09, 2013 Rise Set
Actual Time 7:13 AM PDT 6:40 PM PDT
Civil Twilight 6:47 AM PDT 7:07 PM PDT
Nautical Twilight 6:16 AM PDT 7:37 PM PDT
Astronomical Twilight 5:46 AM PDT 8:08 PM PDT
Moon 12:11 PM PDT (10/9) 10:24 PM PDT (10/9)
Length of Visible Light 12h 19m
Length of Day
11h 26m
Waxing Crescent, 26% of the Moon is Illuminated
Oct 9
Waxing Crescent
Oct 11
First Quarter
Oct 18
Full
Oct 26
Last Quarter
Nov 3
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 51.8 °F - 44.6 °F 76% 29.73 in 10.0 mi WNW 5.8 mph - N/A   Partly Cloudy
12:35 AM 50.0 °F - 42.8 °F 76% 29.72 in 10.0 mi West 8.1 mph - N/A   Partly Cloudy
12:55 AM 50.0 °F - 42.8 °F 76% 29.72 in 10.0 mi West 8.1 mph - N/A   Clear
1:15 AM 50.0 °F - 42.8 °F 76% 29.71 in 10.0 mi West 9.2 mph - N/A   Clear
1:35 AM 50.0 °F - 42.8 °F 76% 29.71 in 10.0 mi West 9.2 mph - N/A   Clear
1:55 AM 50.0 °F - 42.8 °F 76% 29.70 in 10.0 mi West 8.1 mph - N/A   Clear
2:15 AM 50.0 °F - 42.8 °F 76% 29.70 in 10.0 mi West 10.4 mph - N/A   Clear
2:35 AM 50.0 °F - 42.8 °F 76% 29.70 in 10.0 mi West 8.1 mph - N/A   Clear
2:55 AM 48.2 °F - 42.8 °F 82% 29.69 in 10.0 mi West 5.8 mph - N/A   Clear
3:15 AM 48.2 °F - 42.8 °F 82% 29.68 in 10.0 mi WNW 5.8 mph - N/A   Clear
3:35 AM 46.4 °F - 41.0 °F 81% 29.68 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:55 AM 46.4 °F 42.9 °F 42.8 °F 87% 29.68 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
4:15 AM 46.4 °F 44.3 °F 42.8 °F 87% 29.67 in 10.0 mi WSW 4.6 mph - N/A   Scattered Clouds
4:35 AM 44.6 °F 42.2 °F 41.0 °F 87% 29.67 in 10.0 mi NNW 4.6 mph - N/A   Scattered Clouds
4:55 AM 44.6 °F 43.1 °F 42.8 °F 93% 29.67 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
5:15 AM 44.6 °F 42.2 °F 42.8 °F 93% 29.67 in 10.0 mi WNW 4.6 mph - N/A   Scattered Clouds
5:35 AM 44.6 °F 42.2 °F 42.8 °F 93% 29.66 in 10.0 mi NW 4.6 mph - N/A   Clear
5:55 AM 46.4 °F 43.5 °F 42.8 °F 87% 29.66 in 10.0 mi NW 5.8 mph - N/A   Clear
6:15 AM 46.4 °F 43.5 °F 42.8 °F 87% 29.66 in 10.0 mi NW 5.8 mph - N/A   Clear
6:35 AM 46.4 °F 43.5 °F 42.8 °F 87% 29.66 in 10.0 mi WNW 5.8 mph - N/A   Clear
6:55 AM 46.4 °F 43.5 °F 42.8 °F 87% 29.66 in 10.0 mi WNW 5.8 mph - N/A   Clear
7:15 AM 44.6 °F 40.7 °F 42.8 °F 93% 29.66 in 10.0 mi West 6.9 mph - N/A   Clear
7:35 AM 44.6 °F 41.4 °F 42.8 °F 93% 29.66 in 10.0 mi West 5.8 mph - N/A   Clear
7:55 AM 46.4 °F 44.3 °F 44.6 °F 93% 29.66 in 10.0 mi West 4.6 mph - N/A   Clear
8:15 AM 46.4 °F 44.3 °F 44.6 °F 93% 29.67 in 10.0 mi NNW 4.6 mph - N/A   Clear
8:35 AM 50.0 °F - 44.6 °F 82% 29.67 in 10.0 mi WNW 4.6 mph - N/A   Clear
8:55 AM 53.6 °F - 44.6 °F 72% 29.67 in 10.0 mi West 8.1 mph - N/A   Clear
9:15 AM 55.4 °F - 44.6 °F 67% 29.67 in 10.0 mi West 9.2 mph - N/A   Clear
9:35 AM 55.4 °F - 44.6 °F 67% 29.67 in 10.0 mi WNW 6.9 mph - N/A   Clear
9:55 AM 57.2 °F - 44.6 °F 63% 29.67 in 10.0 mi NW 6.9 mph - N/A   Clear
10:15 AM 59.0 °F - 42.8 °F 55% 29.67 in 10.0 mi West 10.4 mph - N/A   Clear
10:35 AM 59.0 °F - 42.8 °F 55% 29.67 in 10.0 mi WNW 9.2 mph - N/A   Partly Cloudy
10:55 AM 60.8 °F - 42.8 °F 52% 29.67 in 10.0 mi WNW 11.5 mph - N/A   Clear
11:15 AM 64.4 °F - 41.0 °F 42% 29.66 in 10.0 mi WNW 8.1 mph - N/A   Clear
11:35 AM 64.4 °F - 41.0 °F 42% 29.67 in 10.0 mi WSW 8.1 mph - N/A   Clear
11:55 AM 66.2 °F - 39.2 °F 37% 29.67 in 10.0 mi WSW 6.9 mph - N/A   Clear
12:15 PM 66.2 °F - 39.2 °F 37% 29.67 in 10.0 mi SW 4.6 mph - N/A   Clear
12:35 PM 68.0 °F - 39.2 °F 35% 29.67 in 10.0 mi West 5.8 mph - N/A   Clear
12:55 PM 68.0 °F - 41.0 °F 37% 29.67 in 10.0 mi SW 10.4 mph - N/A   Clear
1:15 PM 69.8 °F - 41.0 °F 35% 29.67 in 10.0 mi West 10.4 mph - N/A   Clear
1:35 PM 69.8 °F - 41.0 °F 35% 29.66 in 10.0 mi West 13.8 mph 18.4 mph N/A   Scattered Clouds
1:55 PM 69.8 °F - 41.0 °F 35% 29.66 in 10.0 mi West 9.2 mph 18.4 mph N/A   Mostly Cloudy
2:15 PM 69.8 °F - 41.0 °F 35% 29.66 in 10.0 mi WSW 10.4 mph - N/A   Clear
2:35 PM 69.8 °F - 39.2 °F 33% 29.66 in 10.0 mi West 12.7 mph - N/A   Partly Cloudy
2:55 PM 71.6 °F - 39.2 °F 31% 29.67 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy
3:15 PM 71.6 °F - 39.2 °F 31% 29.67 in 10.0 mi West 12.7 mph - N/A   Clear
3:35 PM 71.6 °F - 39.2 °F 31% 29.68 in 10.0 mi West 12.7 mph - N/A   Clear
3:55 PM 69.8 °F - 39.2 °F 33% 29.68 in 10.0 mi WSW 13.8 mph - N/A   Clear
4:15 PM 69.8 °F - 39.2 °F 33% 29.68 in 10.0 mi WSW 15.0 mph - N/A   Clear
4:35 PM 69.8 °F - 39.2 °F 33% 29.68 in 10.0 mi WSW 12.7 mph 19.6 mph N/A   Clear
4:55 PM 69.8 °F - 39.2 °F 33% 29.68 in 10.0 mi West 9.2 mph - N/A   Clear
5:15 PM 69.8 °F - 39.2 °F 33% 29.69 in 10.0 mi SW 12.7 mph - N/A   Clear
5:35 PM 68.0 °F - 39.2 °F 35% 29.69 in 10.0 mi WSW 9.2 mph - N/A   Clear
5:55 PM 68.0 °F - 39.2 °F 35% 29.69 in 10.0 mi West 6.9 mph - N/A   Clear
6:15 PM 66.2 °F - 41.0 °F 40% 29.70 in 10.0 mi West 5.8 mph - N/A   Clear
6:35 PM 64.4 °F - 41.0 °F 42% 29.71 in 10.0 mi Calm Calm - N/A   Clear
6:55 PM 64.4 °F - 39.2 °F 40% 29.71 in 10.0 mi West 4.6 mph - N/A   Clear
7:15 PM 62.6 °F - 41.0 °F 45% 29.71 in 10.0 mi WSW 3.5 mph - N/A   Clear
7:35 PM 55.4 °F - 41.0 °F 58% 29.72 in 10.0 mi NNW 3.5 mph - N/A   Clear
7:55 PM 57.2 °F - 41.0 °F 55% 29.73 in 10.0 mi NNW 3.5 mph - N/A   Clear
8:15 PM 55.4 °F - 41.0 °F 58% 29.73 in 10.0 mi Calm Calm - N/A   Clear
8:35 PM 53.6 °F - 39.2 °F 58% 29.74 in 10.0 mi NW 3.5 mph - N/A   Clear
8:55 PM 53.6 °F - 39.2 °F 58% 29.75 in 10.0 mi WNW 3.5 mph - N/A   Clear
9:15 PM 55.4 °F - 39.2 °F 54% 29.75 in 10.0 mi West 5.8 mph - N/A   Clear
9:35 PM 53.6 °F - 39.2 °F 58% 29.75 in 10.0 mi Calm Calm - N/A   Clear
9:55 PM 50.0 °F - 39.2 °F 66% 29.76 in 10.0 mi Calm Calm - N/A   Clear
10:15 PM 50.0 °F - 39.2 °F 66% 29.77 in 10.0 mi Calm Calm - N/A   Clear
10:35 PM 50.0 °F - 39.2 °F 66% 29.77 in 10.0 mi WNW 3.5 mph - N/A   Clear
10:55 PM 50.0 °F - 39.2 °F 66% 29.77 in 10.0 mi NW 3.5 mph - N/A   Clear
11:15 PM 53.6 °F - 39.2 °F 58% 29.78 in 10.0 mi Calm Calm - N/A   Clear
11:35 PM 53.6 °F - 39.2 °F 58% 29.78 in 10.0 mi WNW 3.5 mph - N/A   Clear
11:55 PM 53.6 °F - 39.2 °F 58% 29.78 in 10.0 mi Calm Calm - N/A   Clear