Weather History for KSFO - January, 2005

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Week of January 2, 2005 through January 8, 2005

  Max Avg Min Sum
Temperature  
Max Temperature 57 °F 52 °F 48 °F
Mean Temperature 52 °F 49 °F 46 °F
Min Temperature 48 °F 46 °F 42 °F
Degree Days  
Heating Degree Days (base 65) 18 16 12 111
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 2 0 0 3
Dew Point  
Dew Point 56 °F 47 °F 43 °F
Precipitation  
Precipitation 1.16 in 0.33 in 0.00 in 2.28 in
Snowdepth - - - -
Wind  
Wind 34 mph 8 mph 0 mph
Gust Wind 46 mph 32 mph 23 mph
Sea Level Pressure  
Sea Level Pressure 30.25 in 29.87 in 29.26 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Jan. 02, 2005 Rise Set
Actual Time 7:24 AM PST 5:02 PM PST
Civil Twilight 6:55 AM PST 5:32 PM PST
Nautical Twilight 6:22 AM PST 6:04 PM PST
Astronomical Twilight 5:51 AM PST 6:36 PM PST
Moon 11:55 PM PST (1/2) 11:32 AM PST (1/2)
Length of Visible Light 10h 36m
Length of Day
9h 38m
Waning Gibbous, 59% of the Moon is Illuminated
Jan 2
Waning Gibbous
Jan 3
Last Quarter
Jan 10
New
Jan 16
First Quarter
Jan 25
Full

Daily Weather History & Observations

2005 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
2 48 47 46 48 47 45 100 96 93 30.00 29.88 29.81 10 8 3 15 8 - 1.16 Rain
3 53 48 44 48 46 45 100 92 80 29.88 29.83 29.79 10 10 9 13 5 - 0.01 Rain
4 51 46 42 48 45 43 100 93 77 30.04 29.87 29.79 10 10 9 9 3 - 0.00  
5 52 48 43 49 47 43 100 95 89 30.25 30.19 30.06 10 9 5 10 2 - 0.08 Rain
6 52 50 48 49 47 44 96 91 74 30.23 30.07 29.73 10 8 6 14 5 - 0.02 Rain
7 57 52 48 56 50 47 100 93 83 29.69 29.46 29.26 10 7 2 34 17 46 0.59 Rain
8 54 51 48 49 47 45 96 87 75 29.92 29.77 29.70 10 9 4 25 15 33 0.42 Rain