Weather History for Petaluma, CA

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Tuesday, October 22, 2013

  Actual Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 60 °F 57 °F  
Max Temperature 75 °F 73 °F 87 °F (2008)
Min Temperature 44 °F 42 °F 37 °F (2008)
Degree Days  
Heating Degree Days 6    
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 10 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 87    
Maximum Humidity 100    
Minimum Humidity 41    
Precipitation  
Precipitation 0.00 in - 0.98 in (2012)
Month to date precipitation  
Year to date precipitation  
Since 1 July precipitation  
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 4 mph (WNW)    
Max Wind Speed 13 mph    
Max Gust Speed 17 mph    
Visibility 4 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Oct. 22, 2013 Rise Set
Actual Time 7:26 AM PDT 6:22 PM PDT
Civil Twilight 6:59 AM PDT 6:49 PM PDT
Nautical Twilight 6:28 AM PDT 7:20 PM PDT
Astronomical Twilight 5:58 AM PDT 7:50 PM PDT
Moon 9:09 PM PDT (10/22) 10:57 AM PDT (10/22)
Length of Visible Light 11h 49m
Length of Day
10h 56m
Waning Gibbous, 86% of the Moon is Illuminated
Oct 22
Waning Gibbous
Oct 26
Last Quarter
Nov 3
New
Nov 9
First Quarter
Nov 17
Full

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 - 48.2 °F 100% 30.02 in 0.5 mi NNW 3.5 mph - N/A   Overcast
12:35 AM 48.2 °F - 48.2 °F 100% 30.03 in 0.5 mi NW 3.5 mph - N/A   Overcast
12:55 AM 48.2 °F - 48.2 °F 100% 30.04 in 1.2 mi NW 5.8 mph - N/A   Overcast
1:15 AM 48.2 °F - 48.2 °F 100% 30.03 in 1.5 mi WNW 5.8 mph - N/A   Overcast
1:35 AM 46.4 °F 44.3 °F 46.4 °F 100% 30.03 in 1.5 mi NW 4.6 mph - N/A   Overcast
1:55 AM 46.4 °F 44.3 °F 46.4 °F 100% 30.03 in 1.5 mi NW 4.6 mph - N/A   Overcast
2:15 AM 46.4 °F 43.5 °F 46.4 °F 100% 30.02 in 1.5 mi WNW 5.8 mph - N/A   Overcast
2:35 AM 46.4 °F 44.3 °F 46.4 °F 100% 30.03 in 1.2 mi NNW 4.6 mph - N/A   Overcast
2:55 AM 46.4 °F 43.5 °F 46.4 °F 100% 30.03 in 1.0 mi WNW 5.8 mph - N/A   Overcast
3:15 AM 46.4 °F 44.3 °F 46.4 °F 100% 30.03 in 0.8 mi WNW 4.6 mph - N/A   Overcast
3:35 AM 46.4 °F 43.5 °F 46.4 °F 100% 30.03 in 0.8 mi West 5.8 mph - N/A   Overcast
3:55 AM 46.4 °F 45.2 °F 46.4 °F 100% 30.03 in 0.8 mi WNW 3.5 mph - N/A   Overcast
4:15 AM 46.4 °F 43.5 °F 46.4 °F 100% 30.03 in 1.0 mi NW 5.8 mph - N/A   Overcast
4:35 AM 46.4 °F 42.9 °F 46.4 °F 100% 30.03 in 0.8 mi WNW 6.9 mph - N/A   Overcast
4:55 AM 46.4 °F 44.3 °F 46.4 °F 100% 30.02 in 0.5 mi West 4.6 mph - N/A   Overcast
5:15 AM 46.4 °F 44.3 °F 46.4 °F 100% 30.03 in 0.5 mi West 4.6 mph - N/A   Overcast
5:35 AM 46.4 °F 45.2 °F 46.4 °F 100% 30.03 in 0.5 mi West 3.5 mph - N/A   Overcast
5:55 AM 46.4 °F 45.2 °F 46.4 °F 100% 30.03 in 0.2 mi West 3.5 mph - N/A   Overcast
6:15 AM 46.4 °F 43.5 °F 46.4 °F 100% 30.03 in 0.2 mi West 5.8 mph - N/A   Overcast
6:35 AM 44.6 °F - 44.6 °F 100% 30.03 in 0.2 mi Calm Calm - N/A   Overcast
6:55 AM 44.6 °F 43.1 °F 44.6 °F 100% 30.03 in 0.2 mi West 3.5 mph - N/A   Overcast
7:15 AM 44.6 °F - 44.6 °F 100% 30.04 in 0.2 mi Calm Calm - N/A   Overcast
7:35 AM 44.6 °F - 44.6 °F 100% 30.04 in 0.2 mi Calm Calm - N/A   Overcast
7:55 AM 44.6 °F - 44.6 °F 100% 30.04 in 0.2 mi Calm Calm - N/A   Overcast
8:15 AM 44.6 °F - 44.6 °F 100% 30.04 in 0.2 mi Calm Calm - N/A   Overcast
8:35 AM 44.6 °F - 44.6 °F 100% 30.05 in 0.2 mi Calm Calm - N/A   Overcast
8:55 AM 46.4 °F - 46.4 °F 100% 30.05 in 0.2 mi Calm Calm - N/A   Overcast
9:15 AM 46.4 °F - 46.4 °F 100% 30.06 in 0.2 mi Calm Calm - N/A   Overcast
9:35 AM 46.4 °F - 46.4 °F 100% 30.06 in 0.5 mi Calm Calm - N/A   Overcast
9:55 AM 46.4 °F - 46.4 °F 100% 30.06 in 1.2 mi Calm Calm - N/A   Overcast
10:15 AM 46.4 °F - 46.4 °F 100% 30.05 in 2.5 mi Calm Calm - N/A   Overcast
10:35 AM 48.2 °F - 48.2 °F 100% 30.05 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
10:55 AM 50.0 °F - 50.0 °F 100% 30.04 in 8.0 mi Calm Calm - N/A   Scattered Clouds
11:15 AM 55.4 °F - 50.0 °F 82% 30.04 in 9.0 mi Calm Calm - N/A   Clear
11:35 AM 57.2 °F - 50.0 °F 77% 30.03 in 9.0 mi West 3.5 mph - N/A   Clear
11:55 AM 59.0 °F - 50.0 °F 72% 30.03 in 9.0 mi Calm Calm - N/A   Clear
12:15 PM 60.8 °F - 50.0 °F 68% 30.03 in 9.0 mi SW 3.5 mph - N/A   Clear
12:35 PM 62.6 °F - 50.0 °F 63% 30.02 in 8.0 mi Calm Calm - N/A   Clear
12:55 PM 66.2 °F - 48.2 °F 52% 30.01 in 10.0 mi Calm Calm - N/A   Clear
1:15 PM 68.0 °F - 48.2 °F 49% 30.00 in 9.0 mi SSE 3.5 mph - N/A   Clear
1:35 PM 69.8 °F - 48.2 °F 46% 29.99 in 10.0 mi Calm Calm - N/A   Clear
1:55 PM 69.8 °F - 48.2 °F 46% 29.98 in 9.0 mi Calm Calm - N/A   Clear
2:15 PM 73.4 °F - 48.2 °F 41% 29.97 in 9.0 mi Calm Calm - N/A   Clear
2:35 PM 73.4 °F - 48.2 °F 41% 29.96 in 10.0 mi Calm Calm - N/A   Clear
2:55 PM 75.2 °F - 50.0 °F 41% 29.96 in 10.0 mi West 8.1 mph - N/A   Clear
3:15 PM 73.4 °F - 50.0 °F 44% 29.96 in 10.0 mi West 9.2 mph - N/A   Clear
3:35 PM 71.6 °F - 48.2 °F 43% 29.96 in 10.0 mi West 11.5 mph - N/A   Clear
3:55 PM 69.8 °F - 48.2 °F 46% 29.96 in 10.0 mi West 9.2 mph - N/A   Clear
4:15 PM 68.0 °F - 48.2 °F 49% 29.96 in 10.0 mi WNW 9.2 mph - N/A   Clear
4:35 PM 66.2 °F - 48.2 °F 52% 29.95 in 10.0 mi West 8.1 mph - N/A   Clear
4:55 PM 64.4 °F - 48.2 °F 56% 29.96 in 10.0 mi WNW 9.2 mph - N/A   Clear
5:15 PM 60.8 °F - 48.2 °F 63% 29.96 in 10.0 mi WNW 12.7 mph 17.3 mph N/A   Clear
5:35 PM 59.0 °F - 48.2 °F 67% 29.95 in 10.0 mi NW 6.9 mph - N/A   Clear
5:55 PM 55.4 °F - 48.2 °F 77% 29.96 in 9.0 mi NW 6.9 mph - N/A   Clear
6:15 PM 53.6 °F - 48.2 °F 82% 29.96 in 8.0 mi NW 4.6 mph - N/A   Clear
6:35 PM 50.0 °F - 48.2 °F 94% 29.96 in 8.0 mi NW 4.6 mph - N/A   Clear
6:55 PM 50.0 °F - 50.0 °F 100% 29.96 in 10.0 mi NW 4.6 mph - N/A   Clear
7:15 PM 48.2 °F - 48.2 °F 100% 29.96 in 8.0 mi NW 5.8 mph - N/A   Clear
7:35 PM 48.2 °F - 48.2 °F 100% 29.97 in 7.0 mi NW 5.8 mph - N/A   Clear
7:55 PM 48.2 °F - 48.2 °F 100% 29.97 in 6.0 mi NW 5.8 mph - N/A   Mostly Cloudy
8:15 PM 48.2 °F - 48.2 °F 100% 29.97 in 5.0 mi WNW 5.8 mph - N/A   Overcast
8:35 PM 48.2 °F - 48.2 °F 100% 29.98 in 5.0 mi NW 4.6 mph - N/A   Overcast
8:55 PM 48.2 °F - 48.2 °F 100% 29.98 in 5.0 mi NW 4.6 mph - N/A   Overcast
9:15 PM 48.2 °F - 48.2 °F 100% 29.98 in 3.0 mi NW 4.6 mph - N/A   Overcast
9:35 PM 48.2 °F - 48.2 °F 100% 29.99 in 1.5 mi WNW 8.1 mph - N/A   Overcast
9:55 PM 48.2 °F - 48.2 °F 100% 29.99 in 1.0 mi WNW 8.1 mph - N/A   Overcast
10:15 PM 48.2 °F - 48.2 °F 100% 30.00 in 1.5 mi WNW 5.8 mph - N/A   Overcast
10:35 PM 48.2 °F - 48.2 °F 100% 30.00 in 1.8 mi WNW 6.9 mph - N/A   Overcast
10:55 PM 48.2 °F - 48.2 °F 100% 29.99 in 1.2 mi WNW 4.6 mph - N/A   Overcast
11:15 PM 48.2 °F - 48.2 °F 100% 29.99 in 1.2 mi WNW 4.6 mph - N/A   Overcast
11:35 PM 48.2 °F - 48.2 °F 100% 29.99 in 0.8 mi NNW 4.6 mph - N/A   Overcast
11:55 PM 48.2 °F - 48.2 °F 100% 29.99 in 0.8 mi NNW 3.5 mph - N/A   Overcast