Weather History for San Francisco, CA

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Monday, November 19, 2012

  Actual Average Record
Temperature  
Mean Temperature 60 °F 55 °F  
Max Temperature 67 °F 62 °F 73 °F (1989)
Min Temperature 52 °F 48 °F 35 °F (1994)
Degree Days  
Heating Degree Days 5 10  
Month to date heating degree days 128 153  
Since 1 July heating degree days 519 440  
Cooling Degree Days 0 0  
Month to date cooling degree days 6 0  
Year to date cooling degree days 86 163  
Growing Degree Days 9 (Base 50)    
Moisture  
Dew Point 46 °F    
Average Humidity 60    
Maximum Humidity 77    
Minimum Humidity 42    
Precipitation  
Precipitation 0.00 in 0.09 in 1.12 in (1946)
Month to date precipitation 1.22 1.35  
Year to date precipitation 12.38 15.59  
Since 1 July precipitation 1.92 2.51  
Sea Level Pressure  
Sea Level Pressure 30.19 in    
Wind  
Wind Speed 8 mph (SE)    
Max Wind Speed 16 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Nov. 19, 2012 Rise Set
Actual Time 6:54 AM PST 4:55 PM PST
Civil Twilight 6:25 AM PST 5:23 PM PST
Nautical Twilight 5:54 AM PST 5:55 PM PST
Astronomical Twilight 5:22 AM PST 6:26 PM PST
Moon 12:02 PM PST 11:25 PM PST
Length of Visible Light 10h 57m
Length of Day
10h 01m
Waxing Crescent, 42% of the Moon is Illuminated
Nov 19
Waxing Crescent
Nov 20
First Quarter
Nov 28
Full
Dec 6
Last Quarter
Dec 13
New

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 57.0 °F 41.0 °F 55% 30.17 in 10.0 mi SW 4.6 mph - N/A   Overcast
1:56 AM 57.9 °F 39.9 °F 51% 30.17 in 10.0 mi SSE 5.8 mph - N/A   Overcast
2:56 AM 55.9 °F 45.0 °F 67% 30.17 in 10.0 mi South 4.6 mph - N/A   Overcast
3:56 AM 55.4 °F 44.6 °F 67% 30.17 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
4:56 AM 55.0 °F 46.0 °F 72% 30.18 in 10.0 mi SE 8.1 mph - N/A   Mostly Cloudy
5:56 AM 53.1 °F 44.1 °F 71% 30.19 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
6:56 AM 52.0 °F 44.1 °F 74% 30.20 in 10.0 mi ESE 3.5 mph - N/A   Scattered Clouds
7:56 AM 54.0 °F 44.1 °F 69% 30.20 in 10.0 mi SE 6.9 mph - N/A   Scattered Clouds
8:56 AM 57.0 °F 44.1 °F 62% 30.22 in 10.0 mi ESE 6.9 mph - N/A   Mostly Cloudy
9:56 AM 59.0 °F 46.0 °F 62% 30.23 in 10.0 mi East 6.9 mph - N/A   Scattered Clouds
10:56 AM 61.0 °F 48.9 °F 64% 30.23 in 10.0 mi East 10.4 mph - N/A   Scattered Clouds
11:56 AM 62.1 °F 50.0 °F 65% 30.21 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds
12:56 PM 63.0 °F 48.0 °F 58% 30.19 in 10.0 mi East 10.4 mph - N/A   Mostly Cloudy
1:56 PM 66.0 °F 43.0 °F 43% 30.19 in 10.0 mi SSW 12.7 mph - N/A   Scattered Clouds
2:56 PM 64.9 °F 45.0 °F 48% 30.19 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
3:56 PM 64.0 °F 46.0 °F 52% 30.19 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
4:56 PM 62.1 °F 48.9 °F 62% 30.19 in 10.0 mi South 13.8 mph - N/A   Mostly Cloudy
5:56 PM 61.0 °F 48.0 °F 62% 30.18 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
6:56 PM 60.1 °F 48.0 °F 64% 30.18 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
7:56 PM 60.1 °F 48.0 °F 64% 30.17 in 10.0 mi SE 9.2 mph - N/A   Mostly Cloudy
8:56 PM 60.1 °F 48.9 °F 67% 30.18 in 10.0 mi SE 6.9 mph - N/A   Mostly Cloudy
9:31 PM 60.8 °F 48.2 °F 63% 30.18 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
9:56 PM 60.1 °F 48.9 °F 67% 30.17 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
10:56 PM 59.0 °F 48.9 °F 69% 30.17 in 10.0 mi SSE 9.2 mph - N/A   Mostly Cloudy
11:56 PM 59.0 °F 48.9 °F 69% 30.17 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy