Petaluma, CA

4:00 PM PDT on April 23, 2017 (GMT -0700)
Petaluma

Weather History for KO69 - December, 2012

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Sunday, December 30, 2012

  Actual Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 42 °F -  
Max Temperature 53 °F 56 °F 63 °F (2013)
Min Temperature 30 °F 36 °F 26 °F (2015)
Degree Days  
Heating Degree Days 24    
Moisture  
Dew Point 36 °F    
Average Humidity 89    
Maximum Humidity 100    
Minimum Humidity 58    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.11 in    
Wind  
Wind Speed 1 mph (WNW)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 7 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 30, 2012 Rise Set
Actual Time 7:26 AM PST 4:59 PM PST
Civil Twilight 6:57 AM PST 5:29 PM PST
Nautical Twilight 6:24 AM PST 6:02 PM PST
Astronomical Twilight 5:52 AM PST 6:34 PM PST
Moon 7:33 PM PST (12/30) 8:41 AM PST (12/30)
Length of Visible Light 10h 31m
Length of Day
9h 32m
Waning Gibbous, 95% of the Moon is Illuminated
Dec 30
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

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 - 39.2 °F 100% 30.09 in 9.0 mi Calm Calm - N/A   Overcast
12:35 AM 37.4 °F - 37.4 °F 100% 30.09 in 8.0 mi Calm Calm - N/A   Overcast
12:55 AM 37.4 °F - 37.4 °F 100% 30.09 in 8.0 mi Calm Calm - N/A   Overcast
1:15 AM 35.6 °F - 35.6 °F 100% 30.09 in 7.0 mi Calm Calm - N/A   Overcast
1:35 AM 35.6 °F - 35.6 °F 100% 30.09 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
1:55 AM 35.6 °F - 35.6 °F 100% 30.10 in 7.0 mi Calm Calm - N/A   Overcast
2:15 AM 35.6 °F - 35.6 °F 100% 30.10 in 7.0 mi Calm Calm - N/A   Overcast
2:35 AM 35.6 °F - 35.6 °F 100% 30.10 in 2.0 mi Calm Calm - N/A   Overcast
2:55 AM 35.6 °F - 35.6 °F 100% 30.09 in 5.0 mi Calm Calm - N/A   Overcast
3:15 AM 35.6 °F - 35.6 °F 100% 30.09 in 5.0 mi Calm Calm - N/A   Mostly Cloudy
3:35 AM 33.8 °F - 33.8 °F 100% 30.08 in 7.0 mi Calm Calm - N/A   Overcast
3:55 AM 33.8 °F - 33.8 °F 100% 30.08 in 7.0 mi Calm Calm - N/A   Overcast
4:15 AM 32.0 °F - 32.0 °F 100% 30.08 in 6.0 mi Calm Calm - N/A   Overcast
4:35 AM 32.0 °F 28.7 °F 32.0 °F 100% 30.08 in 5.0 mi NW 3.5 mph - N/A   Overcast
4:55 AM 32.0 °F - 32.0 °F 100% 30.07 in 4.0 mi Calm Calm - N/A   Overcast
5:15 AM 32.0 °F - 32.0 °F 100% 30.07 in 0.5 mi Calm Calm - N/A   Overcast
5:35 AM 32.0 °F - 32.0 °F 100% 30.08 in 0.5 mi Calm Calm - N/A   Mostly Cloudy
5:55 AM 32.0 °F 28.7 °F 32.0 °F 100% 30.08 in 0.8 mi WNW 3.5 mph - N/A   Mostly Cloudy
6:15 AM 32.0 °F - 32.0 °F 100% 30.09 in 0.2 mi Calm Calm - N/A   Overcast
6:55 AM 32.0 °F - 32.0 °F 100% 30.09 in 0.2 mi Calm Calm - N/A   Overcast
7:15 AM 32.0 °F - 32.0 °F 100% 30.09 in 0.2 mi Calm Calm - N/A   Overcast
7:35 AM 30.2 °F - 30.2 °F 100% 30.10 in 0.2 mi Calm Calm - N/A   Overcast
7:55 AM 32.0 °F - 32.0 °F 100% 30.10 in 0.2 mi Calm Calm - N/A   Overcast
8:15 AM 32.0 °F - 32.0 °F 100% 30.11 in 0.2 mi Calm Calm - N/A   Overcast
8:35 AM 32.0 °F - 32.0 °F 100% 30.12 in 0.2 mi Calm Calm - N/A   Overcast
8:55 AM 32.0 °F - 32.0 °F 100% 30.13 in 0.2 mi Calm Calm - N/A   Overcast
9:15 AM 33.8 °F - 33.8 °F 100% 30.13 in 1.0 mi Calm Calm - N/A   Overcast
9:35 AM 35.6 °F 32.8 °F 35.6 °F 100% 30.14 in 2.5 mi West 3.5 mph - N/A   Mostly Cloudy
9:55 AM 35.6 °F 32.8 °F 35.6 °F 100% 30.14 in 0.5 mi West 3.5 mph - N/A   Overcast
10:15 AM 37.4 °F 33.8 °F 37.4 °F 100% 30.15 in 1.5 mi West 4.6 mph - N/A   Overcast
10:35 AM 39.2 °F - 39.2 °F 100% 30.15 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
10:55 AM 41.0 °F - 41.0 °F 100% 30.14 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:15 AM 44.6 °F - 44.6 °F 100% 30.14 in 10.0 mi Calm Calm - N/A   Clear
11:35 AM 46.4 °F 44.3 °F 41.0 °F 81% 30.13 in 10.0 mi WNW 4.6 mph - N/A   Clear
11:55 AM 48.2 °F - 41.0 °F 76% 30.11 in 10.0 mi West 4.6 mph - N/A   Clear
12:15 PM 48.2 °F - 41.0 °F 76% 30.10 in 10.0 mi Calm Calm - N/A   Clear
12:35 PM 50.0 °F - 41.0 °F 71% 30.10 in 10.0 mi NW 4.6 mph - N/A   Clear
12:55 PM 50.0 °F - 41.0 °F 71% 30.09 in 10.0 mi Calm Calm - N/A   Clear
1:15 PM 50.0 °F - 41.0 °F 71% 30.08 in 10.0 mi NW 5.8 mph - N/A   Clear
1:35 PM 53.6 °F - 39.2 °F 58% 30.08 in 10.0 mi WNW 3.5 mph - N/A   Clear
1:55 PM 53.6 °F - 41.0 °F 62% 30.08 in 10.0 mi WNW 8.1 mph - N/A   Clear
2:15 PM 53.6 °F - 41.0 °F 62% 30.08 in 10.0 mi West 6.9 mph - N/A   Clear
2:35 PM 53.6 °F - 41.0 °F 62% 30.08 in 10.0 mi West 8.1 mph - N/A   Clear
2:55 PM 53.6 °F - 39.2 °F 58% 30.08 in 10.0 mi WNW 5.8 mph - N/A   Clear
3:15 PM 53.6 °F - 39.2 °F 58% 30.09 in 10.0 mi West 10.4 mph - N/A   Clear
3:35 PM 53.6 °F - 39.2 °F 58% 30.09 in 10.0 mi West 9.2 mph - N/A   Clear
3:55 PM 53.6 °F - 39.2 °F 58% 30.09 in 10.0 mi West 11.5 mph - N/A   Clear
4:15 PM 51.8 °F - 37.4 °F 58% 30.09 in 10.0 mi West 9.2 mph - N/A   Clear
4:35 PM 50.0 °F - 39.2 °F 66% 30.09 in 10.0 mi WNW 4.6 mph - N/A   Clear
4:55 PM 48.2 °F - 39.2 °F 71% 30.09 in 10.0 mi Calm Calm - N/A   Clear
5:15 PM 46.4 °F 45.2 °F 37.4 °F 71% 30.09 in 10.0 mi North 3.5 mph - N/A   Clear
5:35 PM 44.6 °F - 37.4 °F 76% 30.10 in 10.0 mi Calm Calm - N/A   Clear
5:55 PM 41.0 °F - 37.4 °F 87% 30.10 in 10.0 mi Calm Calm - N/A   Clear
6:15 PM 41.0 °F - 37.4 °F 87% 30.11 in 10.0 mi Calm Calm - N/A   Clear
6:35 PM 39.2 °F - 37.4 °F 93% 30.12 in 10.0 mi Calm Calm - N/A   Clear
6:55 PM 39.2 °F - 37.4 °F 93% 30.13 in 10.0 mi Calm Calm - N/A   Clear
7:15 PM 39.2 °F - 37.4 °F 93% 30.13 in 10.0 mi Calm Calm - N/A   Clear
7:35 PM 37.4 °F 34.9 °F 35.6 °F 93% 30.13 in 10.0 mi West 3.5 mph - N/A   Clear
7:55 PM 37.4 °F 33.8 °F 35.6 °F 93% 30.13 in 10.0 mi South 4.6 mph - N/A   Clear
8:15 PM 39.2 °F 34.2 °F 35.6 °F 87% 30.13 in 9.0 mi WSW 6.9 mph - N/A   Clear
8:35 PM 39.2 °F 37.0 °F 37.4 °F 93% 30.14 in 10.0 mi NW 3.5 mph - N/A   Clear
8:55 PM 39.2 °F - 35.6 °F 87% 30.15 in 10.0 mi Calm Calm - N/A   Clear
9:15 PM 37.4 °F - 35.6 °F 93% 30.15 in 9.0 mi Calm Calm - N/A   Clear
9:35 PM 33.8 °F - 32.0 °F 93% 30.16 in 9.0 mi Calm Calm - N/A   Clear
9:55 PM 35.6 °F 32.8 °F 35.6 °F 100% 30.17 in 8.0 mi West 3.5 mph - N/A   Partly Cloudy
10:15 PM 33.8 °F 29.6 °F 32.0 °F 93% 30.18 in 9.0 mi SE 4.6 mph - N/A   Clear
10:35 PM 35.6 °F - 35.6 °F 100% 30.18 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:55 PM 35.6 °F 31.7 °F 35.6 °F 100% 30.18 in 10.0 mi East 4.6 mph - N/A   Clear
11:15 PM 35.6 °F - 32.0 °F 87% 30.19 in 10.0 mi Calm Calm - N/A   Clear
11:35 PM 33.8 °F 30.8 °F 32.0 °F 93% 30.20 in 9.0 mi NNW 3.5 mph - N/A   Clear
11:55 PM 37.4 °F 34.9 °F 33.8 °F 87% 30.20 in 10.0 mi NW 3.5 mph - N/A   Clear