Weather History for San Francisco, CA

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Monday, December 3, 2012

  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 1.89 in (2014)
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

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Date:

Astronomy

Dec. 03, 2012 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

Hourly Weather History & 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