Weather History for KVSF - September, 2012

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Week of September 23, 2012 through September 29, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 73 °F 64 °F 53 °F
Mean Temperature 57 °F 53 °F 46 °F
Min Temperature 52 °F 41 °F 33 °F
Degree Days  
Heating Degree Days (base 65) 19 12 8 86
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 7 4 0 25
Dew Point  
Dew Point 61 °F 45 °F 30 °F
Precipitation  
Precipitation 0.99 in 0.20 in 0.00 in 1.21 in
Snowdepth - - - -
Wind  
Wind 18 mph 2 mph 0 mph
Gust Wind 25 mph 19 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.28 in 30.07 in 29.83 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Sep. 23, 2012 Rise Set
Actual Time 6:38 AM EDT 6:44 PM EDT
Civil Twilight 6:10 AM EDT 7:13 PM EDT
Nautical Twilight 5:37 AM EDT 7:46 PM EDT
Astronomical Twilight 5:03 AM EDT 8:20 PM EDT
Moon 2:52 PM EDT (9/23) No Moon Set
Length of Visible Light 13h 02m
Length of Day
12h 05m
First Quarter, 60% of the Moon is Illuminated
Sep 23
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
23 66 53 40 58 45 37 93 65 37 30.12 29.96 29.83 10 8 0 17 5 25 0.01 Fog , Rain
24 64 51 37 42 37 34 100 67 34 30.17 30.12 30.07 10 6 0 15 2 20 0.00 Fog
25 73 53 33 45 38 30 92 59 25 30.14 30.11 30.06 10 9 1 2 4 2 0.00  
26 67 57 47 61 55 44 93 83 73 30.09 30.03 29.99 10 10 4 5 1 6 0.16 Rain
27 66 53 40 57 48 37 96 65 34 30.28 30.13 30.02 10 7 1 18 4 24 T Rain
28 53 46 39 50 44 36 96 88 80 30.28 30.19 30.05 10 5 0 2 0 5 0.99 Fog , Rain
29 60 56 52 53 50 48 96 84 72 30.03 29.96 29.89 10 6 2 6 1 14 0.05 Rain