Weather History for Petaluma, CA

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Wednesday, January 1, 2014

  Actual Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 45 °F 45 °F  
Max Temperature 62 °F 54 °F 63 °F (2014)
Min Temperature 28 °F 36 °F 25 °F (2014)
Degree Days  
Heating Degree Days 20    
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 33 °F    
Average Humidity 77    
Maximum Humidity 100    
Minimum Humidity 26    
Precipitation  
Precipitation 0.00 in - 1.50 in (2004)
Month to date precipitation  
Year to date precipitation  
Since 1 July precipitation  
Sea Level Pressure  
Sea Level Pressure 30.19 in    
Wind  
Wind Speed 1 mph (SW)    
Max Wind Speed 7 mph    
Max Gust Speed -    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 01, 2014 Rise Set
Actual Time 7:27 AM PST 5:01 PM PST
Civil Twilight 6:57 AM PST 5:30 PM PST
Nautical Twilight 6:24 AM PST 6:03 PM PST
Astronomical Twilight 5:52 AM PST 6:35 PM PST
Moon 7:23 AM PST (1/1) 5:51 PM PST (1/1)
Length of Visible Light 10h 32m
Length of Day
9h 33m
Waxing Crescent, 0% of the Moon is Illuminated
Jan 1
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 33.8 °F - 33.8 °F 100% 30.22 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
12:35 AM 32.0 °F - 32.0 °F 100% 30.21 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
12:55 AM 32.0 °F - 32.0 °F 100% 30.21 in 6.0 mi Calm Calm - N/A   Overcast
1:15 AM 33.8 °F 30.8 °F 33.8 °F 100% 30.21 in 6.0 mi NW 3.5 mph - N/A   Overcast
1:35 AM 33.8 °F 30.8 °F 33.8 °F 100% 30.22 in 5.0 mi NW 3.5 mph - N/A   Scattered Clouds
1:55 AM 32.0 °F - 32.0 °F 100% 30.22 in 6.0 mi Calm Calm - N/A   Mostly Cloudy
2:15 AM 32.0 °F - 32.0 °F 100% 30.22 in 5.0 mi Calm Calm - N/A   Mostly Cloudy
2:35 AM 32.0 °F - 32.0 °F 100% 30.23 in 4.0 mi Calm Calm - N/A   Scattered Clouds
2:55 AM 32.0 °F - 32.0 °F 100% 30.22 in 4.0 mi Calm Calm - N/A   Clear
3:15 AM 32.0 °F - 32.0 °F 100% 30.22 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:35 AM 32.0 °F - 32.0 °F 100% 30.21 in 8.0 mi Calm Calm - N/A   Clear
3:55 AM 30.2 °F - 30.2 °F 100% 30.21 in 4.0 mi Calm Calm - N/A   Clear
4:15 AM 30.2 °F - 30.2 °F 100% 30.21 in 4.0 mi Calm Calm - N/A   Clear
4:35 AM 28.4 °F - 28.4 °F 100% 30.20 in 8.0 mi Calm Calm - N/A   Partly Cloudy
4:55 AM 30.2 °F - 30.2 °F 100% 30.20 in 7.0 mi Calm Calm - N/A   Partly Cloudy
5:15 AM 28.4 °F - 28.4 °F 100% 30.20 in 7.0 mi Calm Calm - N/A   Partly Cloudy
5:35 AM 28.4 °F 24.6 °F 28.4 °F 100% 30.20 in 5.0 mi NNW 3.5 mph - N/A   Partly Cloudy
5:55 AM 28.4 °F 24.6 °F 28.4 °F 100% 30.21 in 8.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
6:15 AM 28.4 °F - 28.4 °F 100% 30.21 in 7.0 mi Calm Calm - N/A   Scattered Clouds
6:35 AM 28.4 °F - 28.4 °F 100% 30.21 in 7.0 mi Calm Calm - N/A   Scattered Clouds
6:55 AM 28.4 °F - 28.4 °F 100% 30.21 in 5.0 mi Calm Calm - N/A   Scattered Clouds
7:15 AM 28.4 °F 24.6 °F 28.4 °F 100% 30.22 in 5.0 mi NW 3.5 mph - N/A   Partly Cloudy
7:35 AM 28.4 °F - 28.4 °F 100% 30.22 in 7.0 mi Calm Calm - N/A   Partly Cloudy
7:55 AM 28.4 °F - 28.4 °F 100% 30.22 in 5.0 mi Calm Calm - N/A   Partly Cloudy
8:15 AM 30.2 °F - 30.2 °F 100% 30.22 in 7.0 mi Calm Calm - N/A   Clear
8:35 AM 32.0 °F - 32.0 °F 100% 30.23 in 5.0 mi Calm Calm - N/A   Clear
8:55 AM 35.6 °F - 35.6 °F 100% 30.24 in 8.0 mi Calm Calm - N/A   Clear
9:15 AM 39.2 °F 35.9 °F 39.2 °F 100% 30.24 in 10.0 mi WNW 4.6 mph - N/A   Clear
9:35 AM 41.0 °F 39.0 °F 37.4 °F 87% 30.24 in 10.0 mi West 3.5 mph - N/A   Clear
9:55 AM 42.8 °F - 37.4 °F 81% 30.24 in 10.0 mi Calm Calm - N/A   Clear
10:15 AM 44.6 °F - 37.4 °F 76% 30.24 in 10.0 mi Calm Calm - N/A   Clear
10:35 AM 46.4 °F - 35.6 °F 66% 30.23 in 10.0 mi Calm Calm - N/A   Clear
10:55 AM 50.0 °F - 35.6 °F 58% 30.23 in 10.0 mi Calm Calm - N/A   Clear
11:15 AM 51.8 °F - 35.6 °F 54% 30.22 in 10.0 mi Calm Calm - N/A   Clear
11:35 AM 53.6 °F - 33.8 °F 47% 30.21 in 10.0 mi Calm Calm - N/A   Clear
11:55 AM 55.4 °F - 33.8 °F 44% 30.20 in 10.0 mi Calm Calm - N/A   Clear
12:15 PM 57.2 °F - 35.6 °F 44% 30.19 in 10.0 mi Calm Calm - N/A   Clear
12:35 PM 59.0 °F - 35.6 °F 42% 30.19 in 10.0 mi South 3.5 mph - N/A   Clear
12:55 PM 62.6 °F - 35.6 °F 37% 30.18 in 10.0 mi Calm Calm - N/A   Clear
1:15 PM 62.6 °F - 32.0 °F 32% 30.17 in 10.0 mi South 4.6 mph - N/A   Clear
1:35 PM 62.6 °F - 32.0 °F 32% 30.16 in 10.0 mi SSE 5.8 mph - N/A   Clear
1:55 PM 62.6 °F - 33.8 °F 34% 30.16 in 10.0 mi South 5.8 mph - N/A   Clear
2:15 PM 62.6 °F - 32.0 °F 32% 30.15 in 10.0 mi South 6.9 mph - N/A   Clear
2:35 PM 62.6 °F - 30.2 °F 30% 30.15 in 10.0 mi SSE 6.9 mph - N/A   Clear
2:55 PM 62.6 °F - 30.2 °F 30% 30.16 in 10.0 mi SSE 5.8 mph - N/A   Clear
3:15 PM 62.6 °F - 26.6 °F 26% 30.16 in 10.0 mi SSE 4.6 mph - N/A   Clear
3:35 PM 62.6 °F - 28.4 °F 27% 30.15 in 10.0 mi SSE 4.6 mph - N/A   Clear
3:55 PM 62.6 °F - 32.0 °F 32% 30.15 in 10.0 mi SE 3.5 mph - N/A   Clear
4:15 PM 62.6 °F - 30.2 °F 30% 30.15 in 10.0 mi SSE 3.5 mph - N/A   Clear
4:35 PM 59.0 °F - 32.0 °F 36% 30.15 in 10.0 mi SE 3.5 mph - N/A   Clear
4:55 PM 55.4 °F - 32.0 °F 41% 30.15 in 10.0 mi Calm Calm - N/A   Clear
5:15 PM 53.6 °F - 32.0 °F 44% 30.15 in 10.0 mi NW 4.6 mph - N/A   Clear
5:35 PM 50.0 °F - 35.6 °F 58% 30.16 in 10.0 mi NW 3.5 mph - N/A   Clear
5:55 PM 48.2 °F - 39.2 °F 71% 30.16 in 10.0 mi WNW 3.5 mph - N/A   Clear
6:15 PM 46.4 °F 45.2 °F 39.2 °F 76% 30.16 in 10.0 mi NW 3.5 mph - N/A   Clear
6:35 PM 44.6 °F - 35.6 °F 71% 30.16 in 10.0 mi Calm Calm - N/A   Clear
6:55 PM 44.6 °F - 35.6 °F 71% 30.16 in 10.0 mi Calm Calm - N/A   Clear
7:15 PM 39.2 °F - 32.0 °F 75% 30.17 in 10.0 mi Calm Calm - N/A   Clear
7:35 PM 41.0 °F - 32.0 °F 70% 30.17 in 10.0 mi Calm Calm - N/A   Clear
7:55 PM 39.2 °F - 32.0 °F 75% 30.17 in 10.0 mi Calm Calm - N/A   Clear
8:15 PM 39.2 °F - 32.0 °F 75% 30.17 in 10.0 mi Calm Calm - N/A   Clear
8:35 PM 37.4 °F - 32.0 °F 81% 30.17 in 10.0 mi Calm Calm - N/A   Clear
8:55 PM 39.2 °F - 32.0 °F 75% 30.18 in 10.0 mi Calm Calm - N/A   Clear
9:15 PM 37.4 °F - 32.0 °F 81% 30.18 in 10.0 mi Calm Calm - N/A   Clear
9:35 PM 37.4 °F - 35.6 °F 93% 30.18 in 10.0 mi Calm Calm - N/A   Clear
9:55 PM 37.4 °F - 33.8 °F 87% 30.19 in 10.0 mi Calm Calm - N/A   Clear
10:15 PM 37.4 °F - 35.6 °F 93% 30.19 in 10.0 mi Calm Calm - N/A   Clear
10:35 PM 37.4 °F - 37.4 °F 100% 30.19 in 10.0 mi Calm Calm - N/A   Clear
10:55 PM 39.2 °F - 39.2 °F 100% 30.19 in 10.0 mi Calm Calm - N/A   Clear
11:15 PM 35.6 °F - 35.6 °F 100% 30.19 in 10.0 mi Calm Calm - N/A   Clear
11:35 PM 35.6 °F - 35.6 °F 100% 30.19 in 10.0 mi Calm Calm - N/A   Clear
11:55 PM 35.6 °F - 35.6 °F 100% 30.19 in 10.0 mi Calm Calm - N/A   Clear