Weather History for Petaluma, CA

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Wednesday, October 30, 2013

  Actual Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 54 °F 56 °F  
Max Temperature 68 °F 70 °F 78 °F (2011)
Min Temperature 39 °F 41 °F 34 °F (2003)
Degree Days  
Heating Degree Days 12    
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 4 (Base 50)    
Moisture  
Dew Point 45 °F    
Average Humidity 91    
Maximum Humidity 100    
Minimum Humidity 43    
Precipitation  
Precipitation 0.00 in - 1.41 in (1945)
Month to date precipitation  
Year to date precipitation  
Since 1 July precipitation  
Sea Level Pressure  
Sea Level Pressure 30.13 in    
Wind  
Wind Speed 1 mph (WNW)    
Max Wind Speed 10 mph    
Max Gust Speed -    
Visibility 3 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Oct. 30, 2013 Rise Set
Actual Time 7:34 AM PDT 6:12 PM PDT
Civil Twilight 7:07 AM PDT 6:40 PM PDT
Nautical Twilight 6:36 AM PDT 7:11 PM PDT
Astronomical Twilight 6:05 AM PDT 7:41 PM PDT
Moon 3:32 AM PDT (10/30) 3:58 PM PDT (10/30)
Length of Visible Light 11h 32m
Length of Day
10h 37m
Waning Crescent, 16% of the Moon is Illuminated
Oct 30
Waning Crescent
Nov 3
New
Nov 9
First Quarter
Nov 17
Full
Nov 25
Last Quarter

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% 30.08 in 0.2 mi Calm Calm - N/A   Overcast
12:35 AM 48.2 °F - 48.2 °F 100% 30.08 in 0.2 mi Calm Calm - N/A   Overcast
12:55 AM 48.2 °F - 48.2 °F 100% 30.09 in 0.2 mi Calm Calm - N/A   Overcast
1:15 AM 46.4 °F - 46.4 °F 100% 30.09 in 0.2 mi Calm Calm - N/A   Overcast
1:35 AM 46.4 °F - 46.4 °F 100% 30.09 in 0.2 mi Calm Calm - N/A   Overcast
1:55 AM 46.4 °F 45.2 °F 46.4 °F 100% 30.09 in 0.2 mi NE 3.5 mph - N/A   Overcast
2:15 AM 46.4 °F - 46.4 °F 100% 30.09 in 0.2 mi Calm Calm - N/A   Overcast
2:35 AM 46.4 °F - 46.4 °F 100% 30.09 in 0.2 mi Calm Calm - N/A   Overcast
2:55 AM 46.4 °F - 46.4 °F 100% 30.09 in 0.2 mi Calm Calm - N/A   Overcast
3:15 AM 46.4 °F - 46.4 °F 100% 30.09 in 0.2 mi Calm Calm - N/A   Overcast
3:35 AM 44.6 °F - 44.6 °F 100% 30.09 in 0.2 mi Calm Calm - N/A   Overcast
3:55 AM 44.6 °F 43.1 °F 44.6 °F 100% 30.09 in 0.2 mi NNW 3.5 mph - N/A   Overcast
4:15 AM 44.6 °F 43.1 °F 44.6 °F 100% 30.09 in 0.2 mi NNW 3.5 mph - N/A   Overcast
4:35 AM 44.6 °F - 44.6 °F 100% 30.09 in 0.2 mi Calm Calm - N/A   Overcast
4:55 AM 44.6 °F - 44.6 °F 100% 30.10 in 0.2 mi Calm Calm - N/A   Overcast
5:15 AM 42.8 °F - 42.8 °F 100% 30.11 in 0.2 mi Calm Calm - N/A   Overcast
5:35 AM 42.8 °F - 42.8 °F 100% 30.11 in 0.2 mi Calm Calm - N/A   Overcast
5:55 AM 42.8 °F 41.1 °F 42.8 °F 100% 30.12 in 0.2 mi North 3.5 mph - N/A   Overcast
6:15 AM 41.0 °F - 41.0 °F 100% 30.12 in 0.2 mi Calm Calm - N/A   Overcast
6:20 AM 41.0 °F - 41.0 °F 100% 30.13 in 0.2 mi Calm Calm - N/A   Overcast
6:55 AM 41.0 °F - 41.0 °F 100% 30.13 in 0.2 mi Calm Calm - N/A   Overcast
7:15 AM 41.0 °F - 41.0 °F 100% 30.13 in 0.2 mi Calm Calm - N/A   Overcast
7:35 AM 41.0 °F - 41.0 °F 100% 30.14 in 0.2 mi Calm Calm - N/A   Overcast
7:55 AM 41.0 °F 39.0 °F 41.0 °F 100% 30.14 in 0.2 mi North 3.5 mph - N/A   Overcast
8:15 AM 39.2 °F - 39.2 °F 100% 30.15 in 0.2 mi Calm Calm - N/A   Overcast
8:35 AM 41.0 °F 39.0 °F 41.0 °F 100% 30.16 in 0.2 mi WNW 3.5 mph - N/A   Overcast
8:55 AM 41.0 °F 39.0 °F 41.0 °F 100% 30.17 in 0.2 mi NW 3.5 mph - N/A   Overcast
9:15 AM 41.0 °F 39.0 °F 41.0 °F 100% 30.18 in 0.2 mi WNW 3.5 mph - N/A   Overcast
9:35 AM 44.6 °F 41.4 °F 44.6 °F 100% 30.18 in 1.0 mi WNW 5.8 mph - N/A   Overcast
9:55 AM 44.6 °F - 44.6 °F 100% 30.18 in 1.2 mi Calm Calm - N/A   Overcast
10:15 AM 46.4 °F 45.2 °F 46.4 °F 100% 30.18 in 4.0 mi WSW 3.5 mph - N/A   Scattered Clouds
10:35 AM 48.2 °F - 48.2 °F 100% 30.18 in 6.0 mi Calm Calm - N/A   Clear
10:55 AM 50.0 °F - 50.0 °F 100% 30.18 in 7.0 mi Calm Calm - N/A   Clear
11:15 AM 53.6 °F - 53.6 °F 100% 30.18 in 9.0 mi Calm Calm - N/A   Clear
11:35 AM 55.4 °F - 48.2 °F 77% 30.18 in 9.0 mi Calm Calm - N/A   Clear
11:55 AM 59.0 °F - 48.2 °F 67% 30.18 in 8.0 mi Calm Calm - N/A   Clear
12:15 PM 59.0 °F - 46.4 °F 63% 30.17 in 9.0 mi WSW 3.5 mph - N/A   Clear
12:35 PM 62.6 °F - 44.6 °F 52% 30.16 in 9.0 mi South 3.5 mph - N/A   Clear
12:55 PM 64.4 °F - 44.6 °F 49% 30.15 in 9.0 mi WSW 5.8 mph - N/A   Clear
1:05 PM 62.6 °F - 44.6 °F 52% 30.15 in 9.0 mi Calm Calm - N/A   Clear
3:15 PM 66.2 °F - 42.8 °F 43% 30.11 in 9.0 mi SW 4.6 mph - N/A   Clear
3:35 PM 68.0 °F - 44.6 °F 43% 30.11 in 10.0 mi WNW 8.1 mph - N/A   Clear
3:40 PM 66.2 °F - 44.6 °F 46% 30.11 in 9.0 mi WSW 10.4 mph - N/A   Clear