Weather History for San Francisco, CA

Saturday, December 8, 2012 — View Current Weather Conditions
Saturday, December 8, 2012
« Previous Day
Next Day »
Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 53 °F 51 °F  
Max Temperature 59 °F 57 °F 69 °F (1988)
Min Temperature 46 °F 45 °F 29 °F (1978)
Degree Days
Heating Degree Days 12 14  
Month to date heating degree days 69 106  
Since 1 July heating degree days 664 670  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 86 164  
Growing Degree Days 4 (Base 50)    
Moisture
Dew Point 45 °F    
Average Humidity 67    
Maximum Humidity 89    
Minimum Humidity 44    
Precipitation
Precipitation 0.00 in 0.12 in 0.98 in (2004)
Month to date precipitation 2.24 0.90  
Year to date precipitation 17.46 17.52  
Since 1 July precipitation 7.00 4.44  
Sea Level Pressure
Sea Level Pressure 30.07 in    
Wind
Wind Speed 4 mph (NNE)    
Max Wind Speed 12 mph    
Max Gust Speed 15 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Weather History Graph
Certify This Report
Weather History Location
Airport:
 
Trip Planner
Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!
Date:
Radar Archive
Click to View Archived Radar Loop
This image may take a moment to generate.
Local Photos
More good skies
I've been seeing a lot of neat looking skies lately.
OneInTheOven
I didn't notice the little one at the bottom until now
Juvenile White Crowned Sparrow
Cinnamon Teal
I spent my afternoon at Coyote Hills until there was no light. Well worth it for the pretty things in Nature. ;)
Pelican at dusk
I spent my afternoon at Coyote Hills until there was no light. Well worth it for the pretty things in Nature. ;)
Hummingbird
Mr. Grey
The reason for the flash...he "was" higher up in the deep shade. By the time I got zoomed and focused he was halfway down and in the sun. I decided to ...
Visit WunderPhotos
Astronomy
Dec. 08, 2012 Rise Set
Actual Time 7:12 AM PST 4:50 PM PST
Civil Twilight 6:43 AM PST 5:20 PM PST
Nautical Twilight 6:10 AM PST 5:52 PM PST
Astronomical Twilight 5:38 AM PST 6:24 PM PST
Moon 1:48 AM PST (12/8) 1:19 PM PST (12/8)
Length Of Visible Light 10h 36m
Length of Day
9h 38m
Waning Crescent, 27% of the Moon is Illuminated
Dec 8
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Visit Astronomy
Hourly Weather History & Observations
Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 52.0 °F - 46.0 °F 80% 30.08 in 10.0 mi Calm Calm - N/A   Clear
1:50 AM 46.4 °F 44.3 °F 42.8 °F 87% 30.08 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
1:56 AM 46.9 °F - 43.0 °F 86% 30.08 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
2:56 AM 48.9 °F - 45.0 °F 86% 30.08 in 10.0 mi WNW 4.6 mph - N/A   Overcast
3:45 AM 51.8 °F - 48.2 °F 88% 30.06 in 10.0 mi NNE 5.8 mph - N/A   Mostly Cloudy
3:52 AM 51.8 °F - 48.2 °F 88% 30.07 in 10.0 mi NNE 5.8 mph - N/A   Mostly Cloudy
3:56 AM 52.0 °F - 48.0 °F 86% 30.06 in 10.0 mi NNE 5.8 mph - N/A   Mostly Cloudy
4:13 AM 51.8 °F - 48.2 °F 88% 30.06 in 10.0 mi NE 4.6 mph - N/A   Scattered Clouds
4:50 AM 53.6 °F - 46.4 °F 77% 30.06 in 10.0 mi NE 5.8 mph - N/A   Mostly Cloudy
4:56 AM 52.0 °F - 46.9 °F 83% 30.06 in 10.0 mi NNE 4.6 mph - N/A   Mostly Cloudy
5:12 AM 51.8 °F - 46.4 °F 82% 30.06 in 10.0 mi NNE 5.8 mph - N/A   Overcast
5:51 AM 51.8 °F - 46.4 °F 82% 30.06 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
5:56 AM 52.0 °F - 46.0 °F 80% 30.06 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
6:56 AM 50.0 °F - 46.0 °F 86% 30.07 in 10.0 mi ESE 4.6 mph - N/A   Mostly Cloudy
7:38 AM 50.0 °F - 46.4 °F 87% 30.07 in 9.0 mi SE 3.5 mph - N/A   Scattered Clouds
7:56 AM 50.0 °F - 46.9 °F 89% 30.07 in 9.0 mi SSE 4.6 mph - N/A   Scattered Clouds
8:56 AM 52.0 °F - 45.0 °F 77% 30.09 in 9.0 mi NE 9.2 mph - N/A   Scattered Clouds
9:56 AM 52.0 °F - 46.9 °F 83% 30.12 in 10.0 mi East 4.6 mph - N/A   Scattered Clouds
10:56 AM 54.0 °F - 46.0 °F 75% 30.12 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:56 AM 57.0 °F - 46.0 °F 67% 30.09 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
12:56 PM 55.9 °F - 46.9 °F 72% 30.07 in 10.0 mi North 4.6 mph - N/A   Mostly Cloudy
1:56 PM 55.9 °F - 45.0 °F 67% 30.05 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:56 PM 57.9 °F - 39.0 °F 49% 30.05 in 10.0 mi Calm Calm - N/A   Overcast
3:56 PM 59.0 °F - 37.9 °F 46% 30.05 in 10.0 mi West 4.6 mph - N/A   Overcast
4:56 PM 55.9 °F - 43.0 °F 62% 30.05 in 10.0 mi West 8.1 mph - N/A   Overcast
5:56 PM 54.0 °F - 46.0 °F 75% 30.06 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
6:56 PM 54.0 °F - 46.0 °F 75% 30.06 in 10.0 mi West 4.6 mph - N/A   Scattered Clouds
7:56 PM 52.0 °F - 43.0 °F 71% 30.07 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
8:56 PM 51.1 °F - 43.0 °F 74% 30.08 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
9:56 PM 51.1 °F - 41.0 °F 68% 30.08 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:56 PM 50.0 °F - 42.1 °F 74% 30.09 in 10.0 mi Calm Calm - N/A   Clear
11:56 PM 48.0 °F - 39.9 °F 74% 30.10 in 10.0 mi Calm Calm - N/A   Clear
Show full METARS | METAR FAQ | Comma Delimited File