Weather History for Petaluma, CA

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Friday, January 10, 2014

  Actual Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 48 °F 46 °F  
Max Temperature 62 °F 54 °F 63 °F (2012)
Min Temperature 35 °F 37 °F 28 °F (2011)
Degree Days  
Heating Degree Days 16    
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  
Moisture  
Dew Point 44 °F    
Average Humidity 90    
Maximum Humidity 100    
Minimum Humidity 52    
Precipitation  
Precipitation 0.00 in - 1.15 in (1968)
Month to date precipitation  
Year to date precipitation  
Since 1 July precipitation  
Sea Level Pressure  
Sea Level Pressure 30.26 in    
Wind  
Wind Speed 3 mph (NW)    
Max Wind Speed 10 mph    
Max Gust Speed -    
Visibility 8 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 10, 2014 Rise Set
Actual Time 7:27 AM PST 5:09 PM PST
Civil Twilight 6:57 AM PST 5:38 PM PST
Nautical Twilight 6:25 AM PST 6:11 PM PST
Astronomical Twilight 5:53 AM PST 6:42 PM PST
Moon 1:15 PM PST (1/10) 2:41 AM PST (1/10)
Length of Visible Light 10h 40m
Length of Day
9h 42m
Waxing Gibbous, 76% of the Moon is Illuminated
Jan 10
Waxing Gibbous
Jan 15
Full
Jan 23
Last Quarter
Jan 30
New
Feb 6
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 44.6 °F 41.4 °F 41.0 °F 87% 30.27 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
12:35 AM 41.0 °F - 41.0 °F 100% 30.27 in 10.0 mi Calm Calm - N/A   Partly Cloudy
12:55 AM 41.0 °F - 41.0 °F 100% 30.26 in 10.0 mi Calm Calm - N/A   Clear
1:15 AM 42.8 °F 39.3 °F 41.0 °F 93% 30.27 in 10.0 mi WNW 5.8 mph - N/A   Clear
1:35 AM 42.8 °F 41.1 °F 39.2 °F 87% 30.27 in 10.0 mi NW 3.5 mph - N/A   Clear
1:55 AM 42.8 °F - 39.2 °F 87% 30.27 in 10.0 mi Calm Calm - N/A   Clear
2:15 AM 41.0 °F - 39.2 °F 93% 30.27 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:35 AM 41.0 °F - 39.2 °F 93% 30.27 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:55 AM 41.0 °F 38.0 °F 41.0 °F 100% 30.26 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
3:15 AM 39.2 °F 37.0 °F 39.2 °F 100% 30.25 in 10.0 mi NNW 3.5 mph - N/A   Clear
3:35 AM 41.0 °F 38.0 °F 39.2 °F 93% 30.26 in 10.0 mi NNW 4.6 mph - N/A   Clear
3:55 AM 39.2 °F - 39.2 °F 100% 30.26 in 10.0 mi Calm Calm - N/A   Clear
4:15 AM 39.2 °F - 39.2 °F 100% 30.26 in 10.0 mi Calm Calm - N/A   Clear
4:35 AM 39.2 °F - 39.2 °F 100% 30.26 in 10.0 mi Calm Calm - N/A   Clear
4:55 AM 37.4 °F - 37.4 °F 100% 30.26 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:15 AM 37.4 °F - 37.4 °F 100% 30.26 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:35 AM 37.4 °F - 37.4 °F 100% 30.26 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:55 AM 35.6 °F - 35.6 °F 100% 30.26 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:15 AM 35.6 °F - 35.6 °F 100% 30.27 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:35 AM 35.6 °F 32.8 °F 35.6 °F 100% 30.28 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
6:55 AM 37.4 °F 34.9 °F 37.4 °F 100% 30.28 in 10.0 mi ENE 3.5 mph - N/A   Overcast
7:15 AM 39.2 °F 37.0 °F 39.2 °F 100% 30.28 in 10.0 mi NNE 3.5 mph - N/A   Overcast
7:35 AM 42.8 °F - 42.8 °F 100% 30.29 in 3.0 mi Calm Calm - N/A   Overcast
7:55 AM 44.6 °F - 44.6 °F 100% 30.30 in 0.2 mi Calm Calm - N/A   Overcast
8:15 AM 44.6 °F 43.1 °F 44.6 °F 100% 30.30 in 0.2 mi NE 3.5 mph - N/A   Overcast
8:35 AM 46.4 °F - 46.4 °F 100% 30.31 in 0.2 mi Calm Calm - N/A   Overcast
8:55 AM 46.4 °F - 46.4 °F 100% 30.32 in 0.2 mi Calm Calm - N/A   Overcast
9:15 AM 46.4 °F - 46.4 °F 100% 30.32 in 0.2 mi Calm Calm - N/A   Overcast
9:35 AM 46.4 °F - 46.4 °F 100% 30.33 in 0.2 mi Calm Calm - N/A   Overcast
9:55 AM 46.4 °F - 46.4 °F 100% 30.33 in 1.2 mi Calm Calm - N/A   Overcast
10:15 AM 48.2 °F - 48.2 °F 100% 30.33 in 1.5 mi NW 3.5 mph - N/A   Overcast
10:35 AM 48.2 °F - 48.2 °F 100% 30.33 in 10.0 mi Calm Calm - N/A   Overcast
10:55 AM 50.0 °F - 50.0 °F 100% 30.33 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:15 AM 51.8 °F - 51.8 °F 100% 30.31 in 10.0 mi Calm Calm - N/A   Clear
11:35 AM 53.6 °F - 50.0 °F 88% 30.30 in 10.0 mi Calm Calm - N/A   Clear
11:55 AM 57.2 °F - 48.2 °F 72% 30.29 in 10.0 mi SSW 4.6 mph - N/A   Clear
12:15 PM 57.2 °F - 48.2 °F 72% 30.28 in 10.0 mi South 4.6 mph - N/A   Clear
12:35 PM 59.0 °F - 48.2 °F 67% 30.27 in 10.0 mi SSE 3.5 mph - N/A   Clear
12:55 PM 59.0 °F - 48.2 °F 67% 30.25 in 10.0 mi SSE 3.5 mph - N/A   Clear
1:15 PM 60.8 °F - 46.4 °F 59% 30.24 in 10.0 mi South 6.9 mph - N/A   Clear
1:35 PM 60.8 °F - 46.4 °F 59% 30.23 in 10.0 mi ENE 3.5 mph - N/A   Clear
1:55 PM 60.8 °F - 46.4 °F 59% 30.23 in 10.0 mi Calm Calm - N/A   Clear
2:15 PM 62.6 °F - 46.4 °F 55% 30.22 in 10.0 mi SSE 3.5 mph - N/A   Clear
2:35 PM 62.6 °F - 44.6 °F 52% 30.22 in 10.0 mi Calm Calm - N/A   Clear
2:55 PM 62.6 °F - 44.6 °F 52% 30.21 in 10.0 mi North 3.5 mph - N/A   Clear
3:15 PM 62.6 °F - 44.6 °F 52% 30.21 in 10.0 mi Calm Calm - N/A   Clear
3:35 PM 62.6 °F - 48.2 °F 59% 30.21 in 10.0 mi West 9.2 mph - N/A   Clear
3:55 PM 62.6 °F - 48.2 °F 59% 30.21 in 10.0 mi West 10.4 mph - N/A   Clear
4:15 PM 59.0 °F - 48.2 °F 67% 30.20 in 10.0 mi West 6.9 mph - N/A   Clear
4:35 PM 59.0 °F - 48.2 °F 67% 30.20 in 10.0 mi West 8.1 mph - N/A   Clear
4:55 PM 55.4 °F - 48.2 °F 77% 30.20 in 10.0 mi West 8.1 mph - N/A   Clear
5:15 PM 53.6 °F - 50.0 °F 88% 30.20 in 10.0 mi WNW 6.9 mph - N/A   Clear
5:35 PM 51.8 °F - 50.0 °F 94% 30.20 in 10.0 mi NW 3.5 mph - N/A   Clear
5:55 PM 50.0 °F - 50.0 °F 100% 30.21 in 10.0 mi NW 3.5 mph - N/A   Clear
6:15 PM 50.0 °F - 50.0 °F 100% 30.22 in 10.0 mi NW 3.5 mph - N/A   Clear
6:35 PM 50.0 °F - 50.0 °F 100% 30.22 in 10.0 mi Calm Calm - N/A   Clear
6:55 PM 46.4 °F - 46.4 °F 100% 30.22 in 10.0 mi Calm Calm - N/A   Clear
7:15 PM 46.4 °F 44.3 °F 46.4 °F 100% 30.22 in 10.0 mi North 4.6 mph - N/A   Clear
7:35 PM 46.4 °F 44.3 °F 46.4 °F 100% 30.23 in 10.0 mi NNW 4.6 mph - N/A   Clear
7:55 PM 46.4 °F 44.3 °F 46.4 °F 100% 30.23 in 10.0 mi NNW 4.6 mph - N/A   Clear
8:15 PM 46.4 °F 45.2 °F 46.4 °F 100% 30.24 in 10.0 mi NW 3.5 mph - N/A   Clear
8:35 PM 46.4 °F - 46.4 °F 100% 30.24 in 10.0 mi Calm Calm - N/A   Clear
8:55 PM 44.6 °F 41.4 °F 44.6 °F 100% 30.23 in 10.0 mi NNW 5.8 mph - N/A   Clear
9:15 PM 44.6 °F 42.2 °F 44.6 °F 100% 30.23 in 3.0 mi NNW 4.6 mph - N/A   Clear
9:35 PM 42.8 °F 41.1 °F 42.8 °F 100% 30.23 in 1.2 mi NNW 3.5 mph - N/A   Clear
9:55 PM 42.8 °F 41.1 °F 42.8 °F 100% 30.23 in 1.5 mi NW 3.5 mph - N/A   Clear
10:15 PM 41.0 °F 39.0 °F 41.0 °F 100% 30.24 in 0.5 mi NW 3.5 mph - N/A   Mostly Cloudy
10:35 PM 41.0 °F 39.0 °F 41.0 °F 100% 30.23 in 1.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
10:55 PM 41.0 °F 38.0 °F 41.0 °F 100% 30.23 in 1.5 mi WNW 4.6 mph - N/A   Clear
11:15 PM 41.0 °F 39.0 °F 41.0 °F 100% 30.23 in 0.2 mi NW 3.5 mph - N/A   Overcast
11:35 PM 42.8 °F 41.1 °F 42.8 °F 100% 30.23 in 0.2 mi NNW 3.5 mph - N/A   Overcast
11:55 PM 42.8 °F 40.1 °F 42.8 °F 100% 30.23 in 0.5 mi NW 4.6 mph - N/A   Overcast