Weather History for Petaluma, CA

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Tuesday, January 7, 2014

  Actual Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 48 °F 46 °F  
Max Temperature 62 °F 54 °F 69 °F (2012)
Min Temperature 35 °F 37 °F 25 °F (1999)
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 37 °F    
Average Humidity 71    
Maximum Humidity 100    
Minimum Humidity 34    
Precipitation  
Precipitation 0.00 in - 1.89 in (1940)
Month to date precipitation  
Year to date precipitation  
Since 1 July precipitation  
Sea Level Pressure  
Sea Level Pressure 30.19 in    
Wind  
Wind Speed 2 mph (NW)    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 07, 2014 Rise Set
Actual Time 7:27 AM PST 5:06 PM PST
Civil Twilight 6:58 AM PST 5:35 PM PST
Nautical Twilight 6:25 AM PST 6:08 PM PST
Astronomical Twilight 5:53 AM PST 6:40 PM PST
Moon 11:25 AM PST (1/7) No Moon Set
Length of Visible Light 10h 37m
Length of Day
9h 38m
Waxing Crescent, 46% of the Moon is Illuminated
Jan 7
Waxing Crescent
Jan 7
First Quarter
Jan 15
Full
Jan 23
Last Quarter
Jan 30
New

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 39.2 °F - 30.2 °F 70% 30.21 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:35 AM 37.4 °F - 28.4 °F 70% 30.21 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:55 AM 37.4 °F - 28.4 °F 70% 30.21 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:15 AM 37.4 °F - 28.4 °F 70% 30.20 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:35 AM 35.6 °F - 28.4 °F 75% 30.19 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:55 AM 37.4 °F - 28.4 °F 70% 30.20 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:15 AM 37.4 °F - 28.4 °F 70% 30.20 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:35 AM 37.4 °F - 28.4 °F 70% 30.20 in 10.0 mi Calm Calm - N/A   Clear
2:55 AM 37.4 °F - 28.4 °F 70% 30.20 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:15 AM 37.4 °F 33.8 °F 32.0 °F 81% 30.20 in 10.0 mi NW 4.6 mph - N/A   Scattered Clouds
3:35 AM 39.2 °F 35.9 °F 32.0 °F 75% 30.20 in 10.0 mi WNW 4.6 mph - N/A   Scattered Clouds
3:55 AM 37.4 °F 32.8 °F 32.0 °F 81% 30.20 in 10.0 mi West 5.8 mph - N/A   Partly Cloudy
4:15 AM 39.2 °F 35.0 °F 32.0 °F 75% 30.20 in 10.0 mi WNW 5.8 mph - N/A   Clear
4:35 AM 39.2 °F - 32.0 °F 75% 30.20 in 10.0 mi Calm Calm - N/A   Clear
4:55 AM 37.4 °F - 32.0 °F 81% 30.20 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:15 AM 37.4 °F - 32.0 °F 81% 30.19 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:35 AM 35.6 °F - 32.0 °F 87% 30.19 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:55 AM 35.6 °F - 32.0 °F 87% 30.19 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:15 AM 35.6 °F 32.8 °F 32.0 °F 87% 30.19 in 10.0 mi North 3.5 mph - N/A   Overcast
6:35 AM 35.6 °F - 32.0 °F 87% 30.19 in 10.0 mi Calm Calm - N/A   Overcast
6:55 AM 35.6 °F 32.8 °F 32.0 °F 87% 30.19 in 10.0 mi NE 3.5 mph - N/A   Mostly Cloudy
7:15 AM 37.4 °F - 32.0 °F 81% 30.19 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:35 AM 35.6 °F - 32.0 °F 87% 30.20 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:55 AM 37.4 °F - 32.0 °F 81% 30.19 in 10.0 mi Calm Calm - N/A   Clear
8:15 AM 37.4 °F - 32.0 °F 81% 30.19 in 10.0 mi Calm Calm - N/A   Clear
8:35 AM 37.4 °F - 32.0 °F 81% 30.19 in 10.0 mi Calm Calm - N/A   Clear
8:55 AM 39.2 °F 37.0 °F 32.0 °F 75% 30.21 in 10.0 mi WNW 3.5 mph - N/A   Clear
9:15 AM 41.0 °F 39.0 °F 32.0 °F 70% 30.23 in 10.0 mi NW 3.5 mph - N/A   Partly Cloudy
9:35 AM 44.6 °F 43.1 °F 32.0 °F 61% 30.23 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
9:55 AM 44.6 °F 43.1 °F 32.0 °F 61% 30.24 in 10.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
10:15 AM 44.6 °F 42.2 °F 32.0 °F 61% 30.24 in 10.0 mi West 4.6 mph - N/A   Scattered Clouds
10:35 AM 44.6 °F 40.7 °F 32.0 °F 61% 30.24 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
10:55 AM 46.4 °F 45.2 °F 32.0 °F 57% 30.24 in 10.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
11:15 AM 48.2 °F - 32.0 °F 54% 30.23 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:35 AM 50.0 °F - 32.0 °F 50% 30.22 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:55 AM 53.6 °F - 32.0 °F 44% 30.21 in 10.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
12:15 PM 55.4 °F - 32.0 °F 41% 30.20 in 10.0 mi Calm Calm - N/A   Overcast
12:35 PM 55.4 °F - 32.0 °F 41% 30.18 in 10.0 mi WSW 4.6 mph - N/A   Overcast
12:55 PM 57.2 °F - 30.2 °F 36% 30.17 in 10.0 mi Calm Calm - N/A   Overcast
1:15 PM 59.0 °F - 30.2 °F 34% 30.16 in 10.0 mi NNW 3.5 mph - N/A   Overcast
1:35 PM 60.8 °F - 32.0 °F 34% 30.15 in 10.0 mi NW 4.6 mph - N/A   Overcast
1:55 PM 62.6 °F - 33.8 °F 34% 30.16 in 10.0 mi NW 4.6 mph - N/A   Overcast
2:15 PM 60.8 °F - 33.8 °F 36% 30.15 in 10.0 mi NNW 4.6 mph - N/A   Overcast
2:35 PM 60.8 °F - 33.8 °F 36% 30.16 in 10.0 mi NW 4.6 mph - N/A   Overcast
2:55 PM 60.8 °F - 35.6 °F 39% 30.16 in 10.0 mi NNW 4.6 mph - N/A   Overcast
3:15 PM 60.8 °F - 35.6 °F 39% 30.16 in 10.0 mi NW 4.6 mph - N/A   Overcast
3:35 PM 60.8 °F - 35.6 °F 39% 30.16 in 8.0 mi NW 4.6 mph - N/A   Overcast
3:55 PM 60.8 °F - 39.2 °F 45% 30.16 in 10.0 mi West 6.9 mph - N/A   Overcast
4:15 PM 59.0 °F - 41.0 °F 51% 30.16 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
4:35 PM 59.0 °F - 41.0 °F 51% 30.15 in 10.0 mi Calm Calm - N/A   Clear
4:55 PM 57.2 °F - 41.0 °F 55% 30.16 in 10.0 mi WNW 3.5 mph - N/A   Clear
5:15 PM 55.4 °F - 41.0 °F 58% 30.16 in 10.0 mi NW 3.5 mph - N/A   Clear
5:35 PM 53.6 °F - 41.0 °F 62% 30.16 in 10.0 mi NNW 4.6 mph - N/A   Clear
5:55 PM 51.8 °F - 41.0 °F 67% 30.16 in 10.0 mi NNW 4.6 mph - N/A   Partly Cloudy
6:15 PM 50.0 °F - 41.0 °F 71% 30.15 in 10.0 mi NNW 3.5 mph - N/A   Partly Cloudy
6:35 PM 50.0 °F - 41.0 °F 71% 30.16 in 10.0 mi NNW 5.8 mph - N/A   Clear
6:55 PM 50.0 °F - 41.0 °F 71% 30.17 in 10.0 mi NNW 4.6 mph - N/A   Clear
7:15 PM 48.2 °F - 42.8 °F 82% 30.17 in 10.0 mi NNW 4.6 mph - N/A   Clear
7:35 PM 48.2 °F - 46.4 °F 93% 30.18 in 10.0 mi NW 5.8 mph - N/A   Partly Cloudy
7:55 PM 50.0 °F - 50.0 °F 100% 30.19 in 9.0 mi NNW 6.9 mph - N/A   Mostly Cloudy
8:15 PM 50.0 °F - 50.0 °F 100% 30.19 in 7.0 mi NW 5.8 mph - N/A   Overcast
8:35 PM 50.0 °F - 50.0 °F 100% 30.20 in 10.0 mi NW 4.6 mph - N/A   Overcast
8:55 PM 51.8 °F - 51.8 °F 100% 30.20 in 10.0 mi NW 3.5 mph - N/A   Overcast
9:15 PM 50.0 °F - 50.0 °F 100% 30.21 in 10.0 mi NW 3.5 mph - N/A   Overcast
9:35 PM 51.8 °F - 51.8 °F 100% 30.21 in 10.0 mi NW 3.5 mph - N/A   Overcast
9:55 PM 51.8 °F - 51.8 °F 100% 30.21 in 10.0 mi Calm Calm - N/A   Overcast
10:15 PM 50.0 °F - 50.0 °F 100% 30.22 in 10.0 mi NW 4.6 mph - N/A   Overcast
10:35 PM 50.0 °F - 50.0 °F 100% 30.22 in 8.0 mi WNW 6.9 mph - N/A   Overcast
10:55 PM 50.0 °F - 50.0 °F 100% 30.22 in 6.0 mi NW 6.9 mph - N/A   Overcast
11:15 PM 48.2 °F - 48.2 °F 100% 30.22 in 5.0 mi Calm Calm - N/A   Overcast
11:35 PM 48.2 °F - 48.2 °F 100% 30.21 in 8.0 mi NNW 5.8 mph - N/A   Overcast
11:55 PM 50.0 °F - 50.0 °F 100% 30.21 in 4.0 mi WNW 8.1 mph - N/A   Overcast