Weather History for San Francisco, CA

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Wednesday, December 5, 2012

  Actual Average Record
Temperature  
Mean Temperature 60 °F 52 °F  
Max Temperature 62 °F 58 °F 69 °F (1979)
Min Temperature 58 °F 46 °F 31 °F (1972)
Degree Days  
Heating Degree Days 5 13  
Month to date heating degree days 36 65  
Since 1 July heating degree days 631 629  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 86 164  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 87    
Maximum Humidity 90    
Minimum Humidity 84    
Precipitation  
Precipitation 0.50 in 0.11 in 1.39 in (1952)
Month to date precipitation 2.24 0.54  
Year to date precipitation 17.46 17.16  
Since 1 July precipitation 7.00 4.08  
Sea Level Pressure  
Sea Level Pressure 30.13 in    
Wind  
Wind Speed 7 mph (NNE)    
Max Wind Speed 18 mph    
Max Gust Speed 22 mph    
Visibility 8 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 05, 2012 Rise Set
Actual Time 7:09 AM PST 4:50 PM PST
Civil Twilight 6:40 AM PST 5:19 PM PST
Nautical Twilight 6:08 AM PST 5:52 PM PST
Astronomical Twilight 5:36 AM PST 6:24 PM PST
Moon 11:40 PM PST (12/5) 11:41 AM PST (12/5)
Length of Visible Light 10h 38m
Length of Day
9h 40m
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

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:27 AM 60.8 °F 55.4 °F 82% 30.15 in 9.0 mi South 15.0 mph - 0.00 in Rain Light Rain
12:56 AM 61.0 °F 55.9 °F 83% 30.14 in 8.0 mi South 15.0 mph - 0.00 in   Light Drizzle
1:40 AM 60.8 °F 57.2 °F 88% 30.14 in 9.0 mi SSE 10.4 mph - 0.00 in   Overcast
1:56 AM 62.1 °F 57.0 °F 84% 30.14 in 10.0 mi SSE 10.4 mph - 0.00 in   Light Drizzle
2:56 AM 61.0 °F 57.0 °F 87% 30.14 in 9.0 mi SSE 10.4 mph - 0.00 in   Light Drizzle
3:18 AM 60.8 °F 57.2 °F 88% 30.13 in 10.0 mi SSE 10.4 mph - 0.00 in   Light Drizzle
3:56 AM 60.8 °F 57.2 °F 88% 30.12 in 10.0 mi South 11.5 mph - N/A   Light Drizzle
4:56 AM 61.0 °F 57.0 °F 87% 30.12 in 10.0 mi SSE 9.2 mph - 0.00 in   Overcast
6:56 AM 59.0 °F 55.9 °F 90% 30.14 in 2.5 mi East 8.1 mph - 0.37 in Rain Rain
7:56 AM 59.0 °F 55.9 °F 90% 30.14 in 8.0 mi ESE 6.9 mph - 0.10 in Rain Light Rain
8:56 AM 59.0 °F 55.9 °F 90% 30.15 in 8.0 mi ENE 5.8 mph - 0.01 in Rain Light Rain
9:56 AM 60.1 °F 55.9 °F 86% 30.17 in 10.0 mi SSE 3.5 mph - 0.00 in   Overcast
10:56 AM 60.8 °F 57.2 °F 88% 30.16 in 10.0 mi Calm Calm - N/A Rain Light Rain
11:38 AM 60.8 °F 57.2 °F 88% 30.14 in 2.0 mi Calm Calm - 0.02 in Rain Light Rain
11:47 AM 60.8 °F 57.2 °F 88% 30.14 in 3.0 mi North 3.5 mph - 0.02 in Rain Light Rain
11:56 AM 61.0 °F 57.0 °F 87% 30.14 in 5.0 mi North 3.5 mph - 0.02 in   Overcast
12:42 PM 60.8 °F 57.2 °F 88% 30.12 in 4.0 mi North 4.6 mph - 0.00 in Rain Light Rain
12:56 PM 61.0 °F 57.9 °F 90% 30.11 in 4.0 mi NNE 6.9 mph - 0.00 in   Overcast
1:56 PM 61.0 °F 57.0 °F 87% 30.10 in 9.0 mi NNE 5.8 mph - N/A   Overcast
2:56 PM 61.0 °F 57.9 °F 90% 30.09 in 9.0 mi North 5.8 mph - N/A   Overcast
3:56 PM 62.1 °F 57.9 °F 86% 30.09 in 10.0 mi NNW 3.5 mph - N/A   Overcast
4:56 PM 61.0 °F 57.0 °F 87% 30.10 in 6.0 mi North 8.1 mph - N/A   Overcast
5:40 PM 60.8 °F 57.2 °F 88% 30.10 in 10.0 mi North 8.1 mph - N/A   Overcast
5:56 PM 61.0 °F 57.0 °F 87% 30.11 in 10.0 mi NNW 9.2 mph - N/A   Overcast
6:56 PM 60.1 °F 57.0 °F 90% 30.12 in 10.0 mi NNW 10.4 mph - N/A   Overcast
7:56 PM 61.0 °F 55.9 °F 83% 30.12 in 10.0 mi NW 8.1 mph - N/A   Overcast
8:56 PM 60.1 °F 55.9 °F 86% 30.13 in 10.0 mi NW 4.6 mph - N/A   Overcast
9:56 PM 60.1 °F 55.9 °F 86% 30.13 in 10.0 mi North 4.6 mph - N/A   Overcast
10:56 PM 59.0 °F 55.0 °F 87% 30.14 in 10.0 mi North 6.9 mph - N/A   Overcast
11:22 PM 59.0 °F 55.4 °F 88% 30.13 in 9.0 mi North 8.1 mph - N/A   Overcast
11:56 PM 57.9 °F 55.0 °F 90% 30.14 in 9.0 mi North 5.8 mph - N/A   Overcast