Weather History for Petaluma, CA

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Wednesday, January 29, 2014

  Actual Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 54 °F 47 °F  
Max Temperature 59 °F 57 °F 65 °F (2012)
Min Temperature 50 °F 38 °F 28 °F (2002)
Degree Days  
Heating Degree Days 10    
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 54 °F    
Average Humidity 98    
Maximum Humidity 100    
Minimum Humidity 77    
Precipitation  
Precipitation 0.00 in - 1.91 in (1968)
Month to date precipitation  
Year to date precipitation  
Since 1 July precipitation  
Sea Level Pressure  
Sea Level Pressure 30.13 in    
Wind  
Wind Speed 3 mph (WNW)    
Max Wind Speed 12 mph    
Max Gust Speed 16 mph    
Visibility 7 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jan. 29, 2014 Rise Set
Actual Time 7:17 AM PST 5:29 PM PST
Civil Twilight 6:49 AM PST 5:57 PM PST
Nautical Twilight 6:17 AM PST 6:29 PM PST
Astronomical Twilight 5:46 AM PST 7:00 PM PST
Moon 5:59 AM PST (1/29) 4:35 PM PST (1/29)
Length of Visible Light 11h 08m
Length of Day
10h 12m
Waning Crescent, 2% of the Moon is Illuminated
Jan 29
Waning Crescent
Jan 30
New
Feb 6
First Quarter
Feb 14
Full
Feb 22
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 55.4 °F 55.4 °F 100% 30.22 in 0.8 mi Calm Calm - N/A   Overcast
12:35 AM 55.4 °F 55.4 °F 100% 30.22 in 1.2 mi Calm Calm - N/A   Overcast
12:55 AM 55.4 °F 55.4 °F 100% 30.21 in 1.0 mi Calm Calm - N/A   Overcast
1:15 AM 55.4 °F 55.4 °F 100% 30.21 in 1.0 mi Calm Calm - N/A   Overcast
1:35 AM 55.4 °F 55.4 °F 100% 30.21 in 1.0 mi NNW 3.5 mph - N/A   Overcast
1:55 AM 55.4 °F 55.4 °F 100% 30.21 in 1.5 mi Calm Calm - N/A   Overcast
2:15 AM 55.4 °F 55.4 °F 100% 30.21 in 1.2 mi Calm Calm - N/A   Overcast
2:35 AM 55.4 °F 55.4 °F 100% 30.21 in 2.0 mi Calm Calm - N/A   Overcast
2:55 AM 55.4 °F 55.4 °F 100% 30.21 in 1.8 mi WNW 4.6 mph - N/A   Overcast
3:15 AM 55.4 °F 55.4 °F 100% 30.20 in 0.8 mi NW 3.5 mph - N/A   Overcast
3:35 AM 55.4 °F 55.4 °F 100% 30.20 in 0.8 mi NW 3.5 mph - N/A   Overcast
3:55 AM 53.6 °F 53.6 °F 100% 30.20 in 0.5 mi NW 3.5 mph - N/A   Overcast
4:15 AM 55.4 °F 55.4 °F 100% 30.19 in 1.2 mi NNW 3.5 mph - N/A   Overcast
4:35 AM 55.4 °F 55.4 °F 100% 30.20 in 3.0 mi NW 3.5 mph - N/A   Overcast
4:55 AM 55.4 °F 55.4 °F 100% 30.20 in 8.0 mi NW 3.5 mph - N/A   Overcast
5:15 AM 55.4 °F 55.4 °F 100% 30.19 in 9.0 mi NNW 3.5 mph - N/A   Overcast
5:35 AM 55.4 °F 55.4 °F 100% 30.19 in 3.0 mi NW 3.5 mph - N/A   Overcast
5:55 AM 53.6 °F 53.6 °F 100% 30.18 in 2.0 mi Calm Calm - N/A   Overcast
6:15 AM 53.6 °F 53.6 °F 100% 30.18 in 2.5 mi North 3.5 mph - N/A   Overcast
6:35 AM 53.6 °F 53.6 °F 100% 30.18 in 2.0 mi North 3.5 mph - N/A   Overcast
6:55 AM 53.6 °F 53.6 °F 100% 30.18 in 2.5 mi Calm Calm - N/A   Overcast
7:15 AM 55.4 °F 55.4 °F 100% 30.19 in 1.2 mi Calm Calm - N/A   Overcast
7:35 AM 55.4 °F 55.4 °F 100% 30.18 in 1.0 mi Calm Calm - N/A   Overcast
7:55 AM 55.4 °F 55.4 °F 100% 30.20 in 2.0 mi Calm Calm - N/A   Overcast
8:15 AM 55.4 °F 55.4 °F 100% 30.20 in 0.8 mi WNW 4.6 mph - N/A   Overcast
8:35 AM 55.4 °F 55.4 °F 100% 30.19 in 1.0 mi North 4.6 mph - N/A   Overcast
8:55 AM 55.4 °F 55.4 °F 100% 30.19 in 7.0 mi North 5.8 mph - N/A   Overcast
9:15 AM 55.4 °F 55.4 °F 100% 30.19 in 10.0 mi Calm Calm - N/A   Overcast
9:35 AM 55.4 °F 55.4 °F 100% 30.20 in 10.0 mi West 3.5 mph - N/A   Overcast
9:55 AM 55.4 °F 55.4 °F 100% 30.20 in 1.2 mi NW 4.6 mph - N/A   Overcast
10:15 AM 57.2 °F 57.2 °F 100% 30.20 in 1.8 mi NW 4.6 mph - N/A   Overcast
10:35 AM 57.2 °F 57.2 °F 100% 30.19 in 10.0 mi NNW 4.6 mph - N/A   Overcast
10:55 AM 57.2 °F 57.2 °F 100% 30.19 in 10.0 mi West 5.8 mph - N/A   Overcast
11:15 AM 57.2 °F 57.2 °F 100% 30.19 in 10.0 mi WNW 4.6 mph - N/A   Overcast
11:35 AM 57.2 °F 57.2 °F 100% 30.18 in 4.0 mi WNW 6.9 mph - N/A   Overcast
11:55 AM 57.2 °F 57.2 °F 100% 30.17 in 3.0 mi West 6.9 mph - N/A   Overcast
12:15 PM 57.2 °F 57.2 °F 100% 30.16 in 10.0 mi WNW 4.6 mph - N/A   Overcast
12:35 PM 59.0 °F 59.0 °F 100% 30.15 in 10.0 mi WNW 3.5 mph - N/A   Overcast
12:55 PM 59.0 °F 59.0 °F 100% 30.12 in 10.0 mi West 4.6 mph - N/A   Overcast
1:15 PM 59.0 °F 59.0 °F 100% 30.13 in 10.0 mi NW 6.9 mph - N/A   Overcast
1:35 PM 57.2 °F 57.2 °F 100% 30.11 in 10.0 mi West 5.8 mph - N/A   Overcast
1:55 PM 57.2 °F 57.2 °F 100% 30.11 in 10.0 mi West 6.9 mph - N/A   Overcast
2:15 PM 57.2 °F 57.2 °F 100% 30.10 in 10.0 mi WSW 10.4 mph - N/A   Overcast
2:35 PM 57.2 °F 57.2 °F 100% 30.10 in 10.0 mi West 11.5 mph 16.1 mph N/A   Overcast
2:55 PM 57.2 °F 57.2 °F 100% 30.09 in 5.0 mi West 8.1 mph - N/A   Overcast
3:15 PM 55.4 °F 55.4 °F 100% 30.08 in 10.0 mi NW 5.8 mph - N/A   Overcast
3:35 PM 55.4 °F 55.4 °F 100% 30.08 in 10.0 mi West 6.9 mph - N/A   Overcast
3:55 PM 55.4 °F 55.4 °F 100% 30.08 in 10.0 mi WNW 6.9 mph - N/A   Overcast
4:15 PM 55.4 °F 55.4 °F 100% 30.07 in 10.0 mi WNW 6.9 mph - N/A   Overcast
4:35 PM 55.4 °F 55.4 °F 100% 30.08 in 10.0 mi WNW 5.8 mph - N/A   Overcast
4:55 PM 55.4 °F 55.4 °F 100% 30.07 in 10.0 mi West 5.8 mph - N/A   Overcast
5:15 PM 55.4 °F 53.6 °F 94% 30.06 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
5:35 PM 55.4 °F 48.2 °F 77% 30.06 in 10.0 mi NW 4.6 mph - N/A   Clear
5:55 PM 55.4 °F 48.2 °F 77% 30.05 in 10.0 mi NW 4.6 mph - N/A   Clear
6:15 PM 53.6 °F 48.2 °F 82% 30.05 in 10.0 mi WNW 4.6 mph - N/A   Clear
6:35 PM 53.6 °F 48.2 °F 82% 30.05 in 10.0 mi WNW 5.8 mph - N/A   Clear
6:55 PM 53.6 °F 48.2 °F 82% 30.05 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
7:15 PM 53.6 °F 51.8 °F 94% 30.05 in 10.0 mi WNW 4.6 mph - N/A   Overcast
7:35 PM 53.6 °F 53.6 °F 100% 30.05 in 10.0 mi West 6.9 mph - N/A   Overcast
7:55 PM 53.6 °F 53.6 °F 100% 30.04 in 10.0 mi West 5.8 mph - N/A   Overcast
8:15 PM 53.6 °F 53.6 °F 100% 30.04 in 10.0 mi WNW 4.6 mph - N/A   Overcast
8:35 PM 51.8 °F 51.8 °F 100% 30.04 in 10.0 mi West 4.6 mph - N/A   Overcast
8:55 PM 51.8 °F 51.8 °F 100% 30.04 in 10.0 mi West 4.6 mph - N/A   Overcast
9:15 PM 51.8 °F 51.8 °F 100% 30.03 in 10.0 mi WNW 4.6 mph - N/A   Overcast
9:35 PM 51.8 °F 51.8 °F 100% 30.04 in 10.0 mi West 8.1 mph - N/A   Overcast
9:55 PM 51.8 °F 51.8 °F 100% 30.04 in 10.0 mi West 5.8 mph - N/A   Overcast
10:15 PM 51.8 °F 51.8 °F 100% 30.03 in 10.0 mi NW 3.5 mph - N/A   Overcast
10:35 PM 51.8 °F 51.8 °F 100% 30.03 in 10.0 mi WNW 3.5 mph - N/A   Overcast
10:55 PM 50.0 °F 50.0 °F 100% 30.03 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
11:15 PM 50.0 °F 50.0 °F 100% 30.02 in 10.0 mi NW 3.5 mph - N/A   Overcast
11:35 PM 50.0 °F 50.0 °F 100% 30.02 in 10.0 mi West 6.9 mph - N/A   Overcast
11:55 PM 50.0 °F 50.0 °F 100% 30.01 in 10.0 mi West 5.8 mph - N/A   Overcast