History for San Francisco, CA

Monday, December 3, 2012 — View Current Conditions
Monday, December 3, 2012
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 53 °F 52 °F  
Max Temperature 59 °F 58 °F 73 °F (1958)
Min Temperature 46 °F 46 °F 38 °F (1976)
Degree Days
Heating Degree Days 12 13  
Month to date heating degree days 23 39  
Since 1 July heating degree days 618 603  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 86 164  
Growing Degree Days 2 (Base 50)    
Moisture
Dew Point 46 °F    
Average Humidity 75    
Maximum Humidity 93    
Minimum Humidity 57    
Precipitation
Precipitation 0.00 in 0.11 in 1.20 in (1967)
Month to date precipitation 1.74 0.32  
Year to date precipitation 16.96 16.94  
Since 1 July precipitation 6.50 3.86  
Sea Level Pressure
Sea Level Pressure 30.17 in    
Wind
Wind Speed 2 mph (South)    
Max Wind Speed 7 mph    
Max Gust Speed 7 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Local Photos
Inky Cap
Coprinopsis lagopus (thank you Lisa-feather3) Long white stem with fairly large flat grey paper thin caps when fully opened and very delicate. They ap...
Guardian
Someone's got to make sure those pesky gulls don't get all the Arbutus fruit!
Inky Cap
This one "emerged" yesterday afternoon. I checked on it waiting for it to open but it didn't. I guess it opened during the night/early this AM. This is...
The Twist
It had apiral stalk and a cap that reminds me of a "flapper skirt/dress" in motion (a bit before my time).
Hummingbird
Down in front please.
Short Stack
Inky Cap
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Astronomy
May. 21, 2013 Rise Set
Actual Time 7:08 AM PST 4:50 PM PST
Civil Twilight 6:39 AM PST 5:19 PM PST
Nautical Twilight 6:06 AM PST 5:52 PM PST
Astronomical Twilight 5:34 AM PST 6:24 PM PST
Moon 9:39 PM PST (12/3) 10:37 AM PST (12/3)
Length Of Visible Light 10h 40m
Length of Day
9h 42m
Waning Gibbous, 77% of the Moon is Illuminated
Dec 3
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
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Hourly Observations
Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 51.1 °F 46.0 °F 83% 30.12 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:56 AM 48.9 °F 45.0 °F 86% 30.13 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
2:56 AM 48.9 °F 45.0 °F 86% 30.12 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
3:56 AM 48.9 °F 45.0 °F 86% 30.14 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:56 AM 46.9 °F 44.1 °F 90% 30.14 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
5:56 AM 46.0 °F 42.1 °F 86% 30.15 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:56 AM 46.9 °F 44.1 °F 90% 30.17 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:56 AM 48.9 °F 44.1 °F 83% 30.19 in 10.0 mi WNW 3.5 mph - N/A   Scattered Clouds
8:56 AM 52.0 °F 46.0 °F 80% 30.20 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:56 AM 53.1 °F 46.9 °F 80% 30.21 in 10.0 mi East 3.5 mph - N/A   Scattered Clouds
10:56 AM 54.0 °F 48.0 °F 80% 30.21 in 10.0 mi East 3.5 mph - N/A   Scattered Clouds
11:56 AM 55.0 °F 48.0 °F 77% 30.18 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
12:56 PM 55.9 °F 46.9 °F 72% 30.17 in 10.0 mi NE 4.6 mph - N/A   Mostly Cloudy
1:56 PM 59.0 °F 45.0 °F 60% 30.16 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:56 PM 59.0 °F 44.1 °F 58% 30.16 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:56 PM 57.9 °F 46.9 °F 67% 30.17 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
4:56 PM 57.0 °F 46.0 °F 67% 30.16 in 10.0 mi NE 3.5 mph - N/A   Mostly Cloudy
5:56 PM 57.9 °F 44.1 °F 60% 30.17 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:56 PM 57.0 °F 46.9 °F 69% 30.17 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:56 PM 57.0 °F 48.0 °F 72% 30.17 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
8:56 PM 55.0 °F 46.9 °F 74% 30.17 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
9:56 PM 55.0 °F 48.0 °F 77% 30.18 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
10:56 PM 54.0 °F 46.0 °F 75% 30.17 in 10.0 mi SSW 3.5 mph - N/A   Scattered Clouds
11:56 PM 53.1 °F 46.9 °F 80% 30.17 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
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