Weather History for San Francisco, CA

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Week of October 14, 2012 through October 20, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 86 °F 75 °F 66 °F
Mean Temperature 72 °F 65 °F 60 °F
Min Temperature 58 °F 55 °F 53 °F
Degree Days  
Heating Degree Days (base 65) 5 1 0 10
Cooling Degree Days (base 65) 7 2 0 13
Growing Degree Days (base 50) 44 20 10 138
Dew Point  
Dew Point 61 °F 53 °F 28 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 33 mph 10 mph 0 mph
Gust Wind 39 mph 29 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.22 in 29.98 in 29.81 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Oct. 17, 2012 Rise Set
Actual Time 7:20 AM PDT 6:28 PM PDT
Civil Twilight 6:53 AM PDT 6:55 PM PDT
Nautical Twilight 6:23 AM PDT 7:25 PM PDT
Astronomical Twilight 5:52 AM PDT 7:55 PM PDT
Moon 9:57 AM PDT (10/17) 8:13 PM PDT (10/17)
Length of Visible Light 12h 01m
Length of Day
11h 08m
Waxing Crescent, 8% of the Moon is Illuminated
Oct 17
Waxing Crescent
Oct 21
First Quarter
Oct 29
Full
Nov 6
Last Quarter
Nov 13
New

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Oct high avg low high avg low high avg low high avg low high avg low high avg high sum  
14 71 64 56 56 55 54 93 77 61 30.22 30.16 30.09 10 9 4 25 10 31 0.00  
15 72 64 55 59 55 54 100 79 57 30.10 30.06 29.98 10 6 0 24 10 29 0.00 Fog
16 72 63 53 60 57 52 97 82 66 30.01 29.96 29.89 10 10 9 30 14 37 0.00  
17 86 71 55 58 46 28 86 50 13 29.92 29.87 29.81 10 10 10 16 3 18 0.00  
18 86 72 58 61 52 41 73 50 27 30.02 29.95 29.87 10 10 10 29 7 33 0.00  
19 70 64 57 60 58 52 87 78 68 30.06 30.00 29.94 10 10 9 20 11 24 0.00 Fog
20 66 60 54 55 51 45 93 77 60 29.94 29.89 29.82 10 9 4 33 14 39 0.00