History for Petaluma, CA

Wednesday, December 5, 2012 — View Current Conditions
Wednesday, December 5, 2012
« Previous Day
Next Day »
Daily Weekly Monthly Custom
  Actual Average (KAPC) Record (KAPC)
Temperature
Mean Temperature 57 °F 47 °F  
Max Temperature 59 °F 57 °F 65 °F (2011)
Min Temperature 55 °F 36 °F 25 °F (2009)
Degree Days
Heating Degree Days 8    
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 7 (Base 50)    
Moisture
Dew Point 57 °F    
Average Humidity 100    
Maximum Humidity 100    
Minimum Humidity 100    
Precipitation
Precipitation 0.27 in - 1.45 in (1952)
Month to date precipitation  
Year to date precipitation  
Since 1 July precipitation  
Sea Level Pressure
Sea Level Pressure 30.14 in    
Wind
Wind Speed 5 mph (ESE)    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 3 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
Certify This Report
History Location
Airport:
 
Trip Planner
Search our historical database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it will be!
Date:
Radar Archive
Click to View Archived Radar Loop
This image may take a moment to generate.
Local Photos
The Line-up
Number 7. Please stand up and take one step forward.
Inches
I thought this one might be sick. This is a macro just inches away. It finally reacted to my proximity but still didn't fly. It left about 30 min later...
Rainy Day-Z
Marguerite Daisy
Pine Siskin
It's either very old or it's sick or injured. It came and went several times during the day. It would eat a little then sit like this for a few minutes...
Junco
Hummingbird
Visit WunderPhotos
Astronomy
May. 25, 2013 Rise Set
Actual Time 7:12 AM PST 4:49 PM PST
Civil Twilight 6:43 AM PST 5:19 PM PST
Nautical Twilight 6:10 AM PST 5:52 PM PST
Astronomical Twilight 5:38 AM PST 6:24 PM PST
Moon 11:40 PM PST (12/5) 11:42 AM PST (12/5)
Length Of Visible Light 10h 36m
Length of Day
9h 37m
Waning Gibbous, 58% of the Moon is Illuminated
Dec 5
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Visit Astronomy
Hourly Observations
Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 55.4 °F 55.4 °F 100% 30.15 in 2.5 mi East 8.1 mph - N/A   Overcast
12:35 AM 55.4 °F 55.4 °F 100% 30.15 in 1.8 mi East 5.8 mph - 0.01 in   Overcast
12:55 AM 55.4 °F 55.4 °F 100% 30.14 in 2.5 mi East 6.9 mph - 0.02 in   Overcast
1:15 AM 55.4 °F 55.4 °F 100% 30.14 in 2.0 mi ESE 5.8 mph - N/A   Overcast
1:35 AM 55.4 °F 55.4 °F 100% 30.14 in 3.0 mi East 4.6 mph - 0.01 in   Overcast
1:55 AM 55.4 °F 55.4 °F 100% 30.14 in 2.5 mi East 6.9 mph - 0.01 in   Overcast
2:15 AM 55.4 °F 55.4 °F 100% 30.14 in 3.0 mi East 5.8 mph - N/A   Overcast
2:35 AM 57.2 °F 57.2 °F 100% 30.14 in 2.5 mi East 6.9 mph - 0.03 in   Overcast
2:55 AM 57.2 °F 57.2 °F 100% 30.14 in 2.5 mi East 4.6 mph - 0.04 in   Overcast
3:15 AM 57.2 °F 57.2 °F 100% 30.14 in 2.0 mi ENE 4.6 mph - 0.04 in   Overcast
3:35 AM 57.2 °F 57.2 °F 100% 30.13 in 5.0 mi NE 3.5 mph - 0.08 in   Overcast
3:55 AM 57.2 °F 57.2 °F 100% 30.13 in 2.5 mi East 3.5 mph - 0.13 in   Overcast
4:15 AM 57.2 °F 57.2 °F 100% 30.13 in 3.0 mi East 3.5 mph - 0.02 in   Overcast
4:35 AM 57.2 °F 57.2 °F 100% 30.13 in 6.0 mi ESE 3.5 mph - 0.02 in   Overcast
4:55 AM 57.2 °F 57.2 °F 100% 30.13 in 5.0 mi Calm Calm - 0.03 in   Overcast
6:55 AM 57.2 °F 57.2 °F 100% 30.15 in 5.0 mi ENE 4.6 mph - 0.03 in   Overcast
7:15 AM 57.2 °F 57.2 °F 100% 30.15 in 3.0 mi East 4.6 mph - N/A   Overcast
7:35 AM 57.2 °F 57.2 °F 100% 30.15 in 3.0 mi ESE 4.6 mph - N/A   Overcast
7:55 AM 57.2 °F 57.2 °F 100% 30.16 in 1.8 mi ESE 3.5 mph - 0.01 in   Overcast
8:15 AM 57.2 °F 57.2 °F 100% 30.16 in 1.5 mi ESE 3.5 mph - N/A   Overcast
8:35 AM 57.2 °F 57.2 °F 100% 30.17 in 2.0 mi ESE 3.5 mph - N/A   Overcast
8:55 AM 57.2 °F 57.2 °F 100% 30.17 in 3.0 mi ESE 4.6 mph - N/A   Overcast
9:15 AM 57.2 °F 57.2 °F 100% 30.17 in 4.0 mi ESE 3.5 mph - N/A   Overcast
9:35 AM 57.2 °F 57.2 °F 100% 30.18 in 4.0 mi ESE 4.6 mph - N/A   Overcast
9:55 AM 57.2 °F 57.2 °F 100% 30.18 in 5.0 mi ESE 3.5 mph - N/A   Overcast
10:15 AM 57.2 °F 57.2 °F 100% 30.18 in 5.0 mi East 4.6 mph - N/A   Overcast
10:35 AM 57.2 °F 57.2 °F 100% 30.17 in 5.0 mi ESE 4.6 mph - N/A   Overcast
11:15 AM 59.0 °F 59.0 °F 100% 30.17 in 9.0 mi ESE 3.5 mph - N/A   Overcast
11:35 AM 59.0 °F 59.0 °F 100% 30.16 in 1.5 mi ESE 3.5 mph - N/A   Overcast
11:55 AM 59.0 °F 59.0 °F 100% 30.16 in 2.0 mi ESE 3.5 mph - N/A   Overcast
12:15 PM 59.0 °F 59.0 °F 100% 30.15 in 5.0 mi ESE 3.5 mph - N/A   Overcast
12:35 PM 59.0 °F 59.0 °F 100% 30.14 in 9.0 mi East 3.5 mph - N/A   Overcast
12:55 PM 59.0 °F 59.0 °F 100% 30.14 in 7.0 mi Calm Calm - N/A   Overcast
1:15 PM 59.0 °F 59.0 °F 100% 30.13 in 1.2 mi ESE 3.5 mph - N/A   Overcast
1:35 PM 59.0 °F 59.0 °F 100% 30.13 in 1.2 mi ESE 3.5 mph - N/A   Mostly Cloudy
1:55 PM 59.0 °F 59.0 °F 100% 30.12 in 4.0 mi ESE 3.5 mph - N/A   Scattered Clouds
2:15 PM 59.0 °F 59.0 °F 100% 30.12 in 2.5 mi Calm Calm - N/A   Mostly Cloudy
2:35 PM 59.0 °F 59.0 °F 100% 30.11 in 1.8 mi ESE 3.5 mph - N/A   Overcast
2:55 PM 59.0 °F 59.0 °F 100% 30.11 in 1.5 mi ESE 3.5 mph - N/A   Overcast
3:15 PM 59.0 °F 59.0 °F 100% 30.11 in 3.0 mi Calm Calm - N/A   Overcast
3:35 PM 59.0 °F 59.0 °F 100% 30.12 in 4.0 mi SSE 4.6 mph - N/A   Overcast
3:55 PM 59.0 °F 59.0 °F 100% 30.12 in 2.0 mi South 4.6 mph - N/A   Overcast
4:15 PM 59.0 °F 59.0 °F 100% 30.12 in 0.8 mi SSE 4.6 mph - N/A   Overcast
4:35 PM 57.2 °F 57.2 °F 100% 30.12 in 1.0 mi South 5.8 mph - N/A   Overcast
4:55 PM 57.2 °F 57.2 °F 100% 30.12 in 1.2 mi SSE 5.8 mph - N/A   Overcast
5:15 PM 57.2 °F 57.2 °F 100% 30.13 in 2.5 mi SSE 5.8 mph - N/A   Overcast
5:35 PM 57.2 °F 57.2 °F 100% 30.13 in 2.5 mi SSE 3.5 mph - N/A   Overcast
5:55 PM 57.2 °F 57.2 °F 100% 30.13 in 3.0 mi SSE 3.5 mph - N/A   Overcast
6:15 PM 57.2 °F 57.2 °F 100% 30.14 in 3.0 mi Calm Calm - N/A   Overcast
6:35 PM 57.2 °F 57.2 °F 100% 30.14 in 2.5 mi Calm Calm - N/A   Overcast
6:55 PM 57.2 °F 57.2 °F 100% 30.14 in 3.0 mi SE 3.5 mph - N/A   Overcast
7:15 PM 57.2 °F 57.2 °F 100% 30.14 in 2.5 mi ESE 3.5 mph - N/A   Overcast
7:55 PM 57.2 °F 57.2 °F 100% 30.14 in 1.8 mi Calm Calm - N/A   Overcast
8:15 PM 55.4 °F 55.4 °F 100% 30.14 in 1.2 mi Calm Calm - N/A   Overcast
8:35 PM 55.4 °F 55.4 °F 100% 30.14 in 1.5 mi Calm Calm - N/A   Overcast
8:55 PM 55.4 °F 55.4 °F 100% 30.14 in 1.8 mi SE 3.5 mph - N/A   Overcast
9:15 PM 55.4 °F 55.4 °F 100% 30.14 in 1.5 mi SE 4.6 mph - N/A   Overcast
9:35 PM 55.4 °F 55.4 °F 100% 30.14 in 3.0 mi ESE 4.6 mph - N/A   Overcast
9:55 PM 55.4 °F 55.4 °F 100% 30.14 in 2.5 mi SE 4.6 mph - N/A   Overcast
10:15 PM 55.4 °F 55.4 °F 100% 30.14 in 1.8 mi SSE 4.6 mph - N/A   Overcast
10:35 PM 55.4 °F 55.4 °F 100% 30.14 in 2.0 mi ESE 3.5 mph - N/A   Overcast
10:55 PM 55.4 °F 55.4 °F 100% 30.15 in 2.5 mi ESE 4.6 mph - N/A   Overcast
11:15 PM 55.4 °F 55.4 °F 100% 30.15 in 3.0 mi ESE 4.6 mph - N/A   Overcast
11:35 PM 55.4 °F 55.4 °F 100% 30.15 in 2.0 mi East 3.5 mph - N/A   Overcast
11:55 PM 55.4 °F 55.4 °F 100% 30.15 in 1.8 mi SE 3.5 mph - N/A   Overcast
Show full METARS | METAR FAQ | Comma Delimited File