Weather History for San Francisco, CA

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Saturday, September 6, 2014

  Actual Average Record
Temperature  
Mean Temperature 66 °F 65 °F  
Max Temperature 72 °F 74 °F 94 °F (1958)
Min Temperature 59 °F 56 °F 47 °F (1950)
Degree Days  
Heating Degree Days 0 2  
Month to date heating degree days 0 12  
Since 1 July heating degree days 20 125  
Cooling Degree Days 1 2  
Month to date cooling degree days 19 12  
Year to date cooling degree days 272 109  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 72    
Maximum Humidity 87    
Minimum Humidity 57    
Precipitation  
Precipitation 0.00 in 0.01 in 0.02 in (1969)
Month to date precipitation 0.00 0.02  
Year to date precipitation 7.31 13.14  
Since 1 July precipitation T 0.06  
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 9 mph (West)    
Max Wind Speed 21 mph    
Max Gust Speed 25 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 06, 2014 Rise Set
Actual Time 6:43 AM PDT 7:30 PM PDT
Civil Twilight 6:17 AM PDT 7:57 PM PDT
Nautical Twilight 5:45 AM PDT 8:28 PM PDT
Astronomical Twilight 5:13 AM PDT 9:01 PM PDT
Moon 5:49 PM PDT (9/6) 3:54 AM PDT (9/6)
Length of Visible Light 13h 40m
Length of Day
12h 46m
Waxing Gibbous, 92% of the Moon is Illuminated
Sep 6
Waxing Gibbous
Sep 8
Full
Sep 15
Last Quarter
Sep 23
New
Oct 1
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 60.1 °F 55.9 °F 86% 29.92 in 8.0 mi WNW 5.8 mph - N/A   Partly Cloudy
1:56 AM 59.0 °F 55.0 °F 87% 29.92 in 8.0 mi West 4.6 mph - N/A   Partly Cloudy
2:09 AM 60.8 °F 55.4 °F 82% 29.92 in 9.0 mi West 5.8 mph - N/A   Mostly Cloudy
2:56 AM 61.0 °F 55.9 °F 83% 29.92 in 9.0 mi West 4.6 mph - N/A   Overcast
3:56 AM 61.0 °F 55.9 °F 83% 29.92 in 9.0 mi WSW 6.9 mph - N/A   Overcast
4:27 AM 60.8 °F 55.4 °F 82% 29.92 in 9.0 mi SW 5.8 mph - N/A   Overcast
4:56 AM 61.0 °F 55.9 °F 83% 29.93 in 9.0 mi WSW 6.9 mph - N/A   Overcast
5:56 AM 60.1 °F 55.9 °F 86% 29.93 in 9.0 mi West 4.6 mph - N/A   Overcast
6:56 AM 61.0 °F 55.0 °F 81% 29.94 in 9.0 mi West 4.6 mph - N/A   Overcast
7:56 AM 61.0 °F 55.0 °F 81% 29.96 in 8.0 mi WSW 6.9 mph - N/A   Overcast
8:56 AM 61.0 °F 55.0 °F 81% 29.97 in 9.0 mi West 5.8 mph - N/A   Overcast
9:38 AM 62.6 °F 55.4 °F 77% 29.97 in 10.0 mi WSW 5.8 mph - N/A   Overcast
9:56 AM 63.0 °F 55.9 °F 78% 29.97 in 9.0 mi WNW 3.5 mph - N/A   Overcast
10:56 AM 64.9 °F 57.0 °F 75% 29.97 in 9.0 mi Calm Calm - N/A   Overcast
11:29 AM 68.0 °F 57.2 °F 68% 29.96 in 9.0 mi NNE 4.6 mph - N/A   Scattered Clouds
11:56 AM 68.0 °F 57.9 °F 70% 29.95 in 8.0 mi ENE 5.8 mph - N/A   Partly Cloudy
12:56 PM 70.0 °F 55.9 °F 61% 29.94 in 10.0 mi NW 13.8 mph - N/A   Partly Cloudy
1:56 PM 71.1 °F 55.9 °F 59% 29.93 in 10.0 mi NW 12.7 mph - N/A   Partly Cloudy
2:56 PM 72.0 °F 55.9 °F 57% 29.92 in 10.0 mi West 16.1 mph - N/A   Partly Cloudy
3:56 PM 70.0 °F 55.0 °F 59% 29.91 in 10.0 mi WNW 17.3 mph - N/A   Partly Cloudy
4:56 PM 69.1 °F 55.0 °F 61% 29.90 in 10.0 mi West 16.1 mph 24.2 mph N/A   Partly Cloudy
5:56 PM 66.9 °F 55.0 °F 66% 29.90 in 9.0 mi West 15.0 mph - N/A   Partly Cloudy
7:56 PM 62.1 °F 54.0 °F 75% 29.90 in 9.0 mi West 16.1 mph - N/A   Partly Cloudy
8:56 PM 61.0 °F 54.0 °F 78% 29.91 in 10.0 mi West 13.8 mph - N/A   Partly Cloudy
9:56 PM 61.0 °F 54.0 °F 78% 29.92 in 10.0 mi West 12.7 mph - N/A   Partly Cloudy
10:56 PM 61.0 °F 54.0 °F 78% 29.91 in 10.0 mi West 8.1 mph - N/A   Partly Cloudy
11:56 PM 60.1 °F 54.0 °F 80% 29.91 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy