Weather History for Petaluma, CA

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Thursday, November 29, 2012

  Actual Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 56 °F 48 °F  
Max Temperature 59 °F 59 °F 72 °F (2009)
Min Temperature 53 °F 37 °F 24 °F (2010)
Degree Days  
Heating Degree Days 9    
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 6 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 86    
Maximum Humidity 100    
Minimum Humidity 77    
Precipitation  
Precipitation 0.01 in - 1.56 in (1993)
Month to date precipitation  
Year to date precipitation  
Since 1 July precipitation  
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 7 mph (ESE)    
Max Wind Speed 17 mph    
Max Gust Speed 23 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Nov. 29, 2012 Rise Set
Actual Time 7:06 AM PST 4:50 PM PST
Civil Twilight 6:37 AM PST 5:19 PM PST
Nautical Twilight 6:05 AM PST 5:52 PM PST
Astronomical Twilight 5:33 AM PST 6:24 PM PST
Moon 5:58 PM PST (11/29) 7:57 AM PST (11/29)
Length of Visible Light 10h 42m
Length of Day
9h 43m
Full, 99% of the Moon is Illuminated
Nov 29
Full
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 53.6 °F 50.0 °F 88% 30.04 in 10.0 mi East 5.8 mph - N/A   Overcast
12:35 AM 53.6 °F 50.0 °F 88% 30.04 in 10.0 mi East 4.6 mph - N/A   Overcast
12:55 AM 55.4 °F 50.0 °F 82% 30.04 in 10.0 mi ESE 5.8 mph - N/A   Overcast
1:15 AM 55.4 °F 50.0 °F 82% 30.04 in 10.0 mi East 6.9 mph - N/A   Overcast
1:35 AM 55.4 °F 50.0 °F 82% 30.05 in 10.0 mi East 5.8 mph - N/A   Overcast
1:55 AM 53.6 °F 50.0 °F 88% 30.04 in 10.0 mi East 5.8 mph - N/A   Overcast
2:15 AM 55.4 °F 50.0 °F 82% 30.03 in 10.0 mi East 5.8 mph - N/A   Overcast
2:35 AM 55.4 °F 50.0 °F 82% 30.04 in 7.0 mi ESE 6.9 mph - N/A   Overcast
2:55 AM 53.6 °F 53.6 °F 100% 30.05 in 7.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
3:15 AM 53.6 °F 53.6 °F 100% 30.04 in 9.0 mi East 5.8 mph - N/A   Mostly Cloudy
3:35 AM 53.6 °F 53.6 °F 100% 30.04 in 8.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
3:55 AM 55.4 °F 53.6 °F 94% 30.02 in 10.0 mi ESE 6.9 mph - 0.01 in   Overcast
4:15 AM 55.4 °F 53.6 °F 94% 30.03 in 10.0 mi East 4.6 mph - N/A   Overcast
4:35 AM 55.4 °F 53.6 °F 94% 30.02 in 10.0 mi ESE 6.9 mph - N/A   Overcast
4:55 AM 55.4 °F 53.6 °F 94% 30.01 in 10.0 mi ESE 8.1 mph - N/A   Overcast
5:15 AM 55.4 °F 53.6 °F 94% 30.01 in 10.0 mi ESE 6.9 mph - N/A   Overcast
5:35 AM 55.4 °F 53.6 °F 94% 30.02 in 10.0 mi SE 9.2 mph - N/A   Overcast
5:55 AM 55.4 °F 53.6 °F 94% 30.02 in 10.0 mi SE 9.2 mph - N/A   Overcast
6:15 AM 55.4 °F 51.8 °F 88% 30.02 in 10.0 mi SE 8.1 mph - N/A   Mostly Cloudy
6:35 AM 55.4 °F 51.8 °F 88% 30.02 in 10.0 mi ESE 5.8 mph - N/A   Overcast
6:55 AM 55.4 °F 51.8 °F 88% 30.02 in 10.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
7:15 AM 55.4 °F 51.8 °F 88% 30.02 in 10.0 mi ESE 8.1 mph - N/A   Overcast
7:35 AM 57.2 °F 50.0 °F 77% 30.02 in 10.0 mi ESE 6.9 mph - N/A   Overcast
7:55 AM 57.2 °F 50.0 °F 77% 30.02 in 10.0 mi ESE 8.1 mph 16.1 mph N/A   Overcast
8:15 AM 57.2 °F 50.0 °F 77% 30.03 in 10.0 mi SE 9.2 mph - N/A   Overcast
8:35 AM 57.2 °F 50.0 °F 77% 30.03 in 10.0 mi ESE 8.1 mph - N/A   Overcast
8:55 AM 57.2 °F 51.8 °F 82% 30.02 in 10.0 mi SE 10.4 mph 16.1 mph N/A   Overcast
9:15 AM 57.2 °F 51.8 °F 82% 30.02 in 10.0 mi ESE 11.5 mph 19.6 mph N/A   Mostly Cloudy
9:35 AM 57.2 °F 51.8 °F 82% 30.02 in 10.0 mi ESE 9.2 mph - N/A   Mostly Cloudy
9:55 AM 59.0 °F 51.8 °F 77% 30.02 in 10.0 mi SE 10.4 mph 18.4 mph N/A   Overcast
10:15 AM 59.0 °F 51.8 °F 77% 30.02 in 10.0 mi SE 9.2 mph - N/A   Overcast
10:35 AM 59.0 °F 51.8 °F 77% 30.02 in 10.0 mi SSE 9.2 mph - N/A   Overcast
10:55 AM 59.0 °F 51.8 °F 77% 30.02 in 9.0 mi South 10.4 mph 23.0 mph N/A   Overcast
11:15 AM 57.2 °F 51.8 °F 82% 30.01 in 4.0 mi SSE 17.3 mph 23.0 mph N/A   Overcast
11:30 AM 55.4 °F 53.6 °F 94% 30.02 in 2.0 mi SSE 12.7 mph 21.9 mph N/A   Overcast