Weather History for Petaluma, CA

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Sunday, January 26, 2014

  Actual Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 53 °F 47 °F  
Max Temperature 71 °F 56 °F 69 °F (2014)
Min Temperature 35 °F 37 °F 26 °F (2009)
Degree Days  
Heating Degree Days 12    
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 3 (Base 50)    
Moisture  
Dew Point 38 °F    
Average Humidity 68    
Maximum Humidity 100    
Minimum Humidity 22    
Precipitation  
Precipitation 0.00 in - 1.70 in (1958)
Month to date precipitation  
Year to date precipitation  
Since 1 July precipitation  
Sea Level Pressure  
Sea Level Pressure 30.11 in    
Wind  
Wind Speed 3 mph (WNW)    
Max Wind Speed 9 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. 26, 2014 Rise Set
Actual Time 7:19 AM PST 5:26 PM PST
Civil Twilight 6:51 AM PST 5:54 PM PST
Nautical Twilight 6:19 AM PST 6:26 PM PST
Astronomical Twilight 5:48 AM PST 6:57 PM PST
Moon 3:02 AM PST (1/26) 1:21 PM PST (1/26)
Length of Visible Light 11h 02m
Length of Day
10h 06m
Waning Crescent, 23% of the Moon is Illuminated
Jan 26
Waning Crescent
Jan 30
New
Feb 6
First Quarter
Feb 14
Full
Feb 22
Last 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 41.0 °F - 32.0 °F 70% 30.14 in 10.0 mi Calm Calm - N/A   Partly Cloudy
12:35 AM 39.2 °F - 30.2 °F 70% 30.14 in 10.0 mi Calm Calm - N/A   Partly Cloudy
12:55 AM 39.2 °F - 32.0 °F 75% 30.13 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:15 AM 37.4 °F 33.8 °F 32.0 °F 81% 30.13 in 10.0 mi NNE 4.6 mph - N/A   Clear
1:35 AM 39.2 °F - 32.0 °F 75% 30.13 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:55 AM 37.4 °F - 32.0 °F 81% 30.13 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:15 AM 39.2 °F - 32.0 °F 75% 30.13 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:35 AM 37.4 °F - 32.0 °F 81% 30.13 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:55 AM 39.2 °F - 32.0 °F 75% 30.14 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:15 AM 37.4 °F 34.9 °F 32.0 °F 81% 30.13 in 10.0 mi North 3.5 mph - N/A   Partly Cloudy
3:35 AM 39.2 °F - 32.0 °F 75% 30.13 in 10.0 mi Calm Calm - N/A   Clear
3:55 AM 37.4 °F - 32.0 °F 81% 30.12 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:15 AM 35.6 °F - 32.0 °F 87% 30.12 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:35 AM 37.4 °F 34.9 °F 32.0 °F 81% 30.11 in 10.0 mi SW 3.5 mph - N/A   Partly Cloudy
4:55 AM 35.6 °F 31.7 °F 32.0 °F 87% 30.12 in 10.0 mi NNW 4.6 mph - N/A   Partly Cloudy
5:15 AM 37.4 °F - 32.0 °F 81% 30.12 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:35 AM 37.4 °F 34.9 °F 32.0 °F 81% 30.12 in 10.0 mi WSW 3.5 mph - N/A   Partly Cloudy
5:55 AM 37.4 °F 34.9 °F 32.0 °F 81% 30.12 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
6:15 AM 37.4 °F - 32.0 °F 81% 30.13 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:35 AM 37.4 °F 32.1 °F 33.8 °F 87% 30.14 in 10.0 mi North 6.9 mph - N/A   Mostly Cloudy
6:55 AM 39.2 °F - 32.0 °F 75% 30.12 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:15 AM 39.2 °F 35.0 °F 33.8 °F 81% 30.13 in 10.0 mi SW 5.8 mph - N/A   Scattered Clouds
7:35 AM 39.2 °F 37.0 °F 35.6 °F 87% 30.14 in 10.0 mi North 3.5 mph - N/A   Partly Cloudy
7:55 AM 39.2 °F 37.0 °F 35.6 °F 87% 30.14 in 10.0 mi North 3.5 mph - N/A   Clear
8:15 AM 41.0 °F - 37.4 °F 87% 30.14 in 10.0 mi Calm Calm - N/A   Clear
8:35 AM 44.6 °F - 37.4 °F 76% 30.15 in 10.0 mi Calm Calm - N/A   Clear
8:55 AM 44.6 °F - 35.6 °F 71% 30.15 in 10.0 mi Calm Calm - N/A   Clear
9:15 AM 46.4 °F 44.3 °F 37.4 °F 71% 30.15 in 10.0 mi SW 4.6 mph - N/A   Clear
9:35 AM 46.4 °F 44.3 °F 37.4 °F 71% 30.15 in 10.0 mi WNW 4.6 mph - N/A   Clear
9:55 AM 50.0 °F - 37.4 °F 62% 30.16 in 10.0 mi West 3.5 mph - N/A   Clear
10:15 AM 51.8 °F - 37.4 °F 58% 30.17 in 10.0 mi Calm Calm - N/A   Clear
10:35 AM 55.4 °F - 37.4 °F 51% 30.16 in 10.0 mi Calm Calm - N/A   Clear
10:55 AM 57.2 °F - 35.6 °F 44% 30.16 in 10.0 mi Calm Calm - N/A   Clear
11:15 AM 59.0 °F - 35.6 °F 42% 30.15 in 10.0 mi Calm Calm - N/A   Clear
11:35 AM 60.8 °F - 35.6 °F 39% 30.14 in 10.0 mi Calm Calm - N/A   Clear
11:55 AM 64.4 °F - 35.6 °F 34% 30.13 in 10.0 mi SSE 4.6 mph - N/A   Clear
12:15 PM 64.4 °F - 33.8 °F 32% 30.11 in 10.0 mi SE 4.6 mph - N/A   Clear
12:35 PM 66.2 °F - 33.8 °F 30% 30.10 in 10.0 mi South 3.5 mph - N/A   Clear
12:55 PM 68.0 °F - 32.0 °F 26% 30.08 in 10.0 mi SSE 5.8 mph - N/A   Clear
1:15 PM 68.0 °F - 32.0 °F 26% 30.07 in 10.0 mi SSE 6.9 mph - N/A   Clear
1:35 PM 69.8 °F - 32.0 °F 25% 30.06 in 10.0 mi SE 6.9 mph - N/A   Clear
1:55 PM 69.8 °F - 30.2 °F 23% 30.06 in 10.0 mi South 9.2 mph - N/A   Clear
2:15 PM 69.8 °F - 30.2 °F 23% 30.05 in 10.0 mi South 8.1 mph - N/A   Clear
2:35 PM 69.8 °F - 30.2 °F 23% 30.05 in 10.0 mi SSE 6.9 mph - N/A   Clear
2:55 PM 71.6 °F - 30.2 °F 22% 30.05 in 10.0 mi SE 4.6 mph - N/A   Clear
3:15 PM 71.6 °F - 32.0 °F 23% 30.05 in 10.0 mi SE 3.5 mph - N/A   Clear
3:35 PM 71.6 °F - 32.0 °F 23% 30.05 in 10.0 mi Calm Calm - N/A   Clear
3:55 PM 68.0 °F - 46.4 °F 46% 30.05 in 10.0 mi West 9.2 mph - N/A   Clear
4:15 PM 66.2 °F - 46.4 °F 49% 30.05 in 10.0 mi West 8.1 mph - N/A   Clear
4:35 PM 64.4 °F - 44.6 °F 49% 30.05 in 10.0 mi WNW 4.6 mph - N/A   Clear
4:55 PM 62.6 °F - 44.6 °F 52% 30.06 in 10.0 mi NNW 3.5 mph - N/A   Clear
5:15 PM 60.8 °F - 44.6 °F 55% 30.06 in 10.0 mi NW 4.6 mph - N/A   Clear
5:35 PM 59.0 °F - 42.8 °F 55% 30.07 in 10.0 mi WNW 5.8 mph - N/A   Partly Cloudy
5:55 PM 57.2 °F - 42.8 °F 59% 30.07 in 10.0 mi NNW 4.6 mph - N/A   Scattered Clouds
6:15 PM 55.4 °F - 41.0 °F 58% 30.07 in 10.0 mi NW 4.6 mph - N/A   Partly Cloudy
6:35 PM 53.6 °F - 39.2 °F 58% 30.08 in 10.0 mi WNW 6.9 mph - N/A   Partly Cloudy
6:55 PM 55.4 °F - 42.8 °F 63% 30.09 in 10.0 mi NW 5.8 mph - N/A   Scattered Clouds
7:15 PM 53.6 °F - 41.0 °F 62% 30.09 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
7:35 PM 51.8 °F - 44.6 °F 76% 30.08 in 10.0 mi WNW 8.1 mph - N/A   Overcast
7:55 PM 50.0 °F - 44.6 °F 82% 30.09 in 10.0 mi NW 5.8 mph - N/A   Overcast
8:15 PM 48.2 °F - 48.2 °F 100% 30.10 in 10.0 mi NW 4.6 mph - N/A   Overcast
8:35 PM 48.2 °F - 48.2 °F 100% 30.10 in 9.0 mi NNW 5.8 mph - N/A   Overcast
8:55 PM 48.2 °F - 48.2 °F 100% 30.10 in 8.0 mi NW 5.8 mph - N/A   Overcast
9:15 PM 46.4 °F 44.3 °F 46.4 °F 100% 30.11 in 7.0 mi NW 4.6 mph - N/A   Overcast
9:35 PM 46.4 °F 42.9 °F 46.4 °F 100% 30.11 in 6.0 mi WNW 6.9 mph - N/A   Overcast
9:55 PM 48.2 °F - 48.2 °F 100% 30.12 in 2.5 mi WNW 8.1 mph - N/A   Overcast
10:15 PM 48.2 °F - 48.2 °F 100% 30.12 in 7.0 mi WNW 9.2 mph - N/A   Overcast
10:35 PM 48.2 °F - 48.2 °F 100% 30.12 in 7.0 mi NW 3.5 mph - N/A   Overcast
10:55 PM 48.2 °F - 48.2 °F 100% 30.12 in 7.0 mi WNW 3.5 mph - N/A   Overcast
11:15 PM 48.2 °F - 48.2 °F 100% 30.12 in 7.0 mi WNW 6.9 mph - N/A   Overcast
11:35 PM 46.4 °F 43.5 °F 46.4 °F 100% 30.11 in 5.0 mi West 5.8 mph - N/A   Overcast
11:55 PM 46.4 °F 45.2 °F 46.4 °F 100% 30.11 in 5.0 mi NW 3.5 mph - N/A   Overcast