San Francisco, CA

7:36 AM PST on February 23, 2017 (GMT -0800)
San Francisco International

Weather History for KSFO - January, 2008

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Week of December 30, 2007 through January 5, 2008

  Max Avg Min Sum
Temperature  
Max Temperature 59 °F 55 °F 52 °F
Mean Temperature 55 °F 49 °F 46 °F
Min Temperature 50 °F 44 °F 39 °F
Degree Days  
Heating Degree Days (base 65) 19 16 10 110
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 5 1 0 7
Dew Point  
Dew Point 56 °F 42 °F 26 °F
Precipitation  
Precipitation 2.10 in 0.44 in 0.00 in 3.10 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 54 mph 11 mph 0 mph
Gust Wind 68 mph 28 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.38 in 30.03 in 29.47 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Jan. 02, 2008 Rise Set
Actual Time 7:24 AM PST 5:02 PM PST
Civil Twilight 6:55 AM PST 5:31 PM PST
Nautical Twilight 6:22 AM PST 6:04 PM PST
Astronomical Twilight 5:50 AM PST 6:36 PM PST
Moon 2:21 AM PST (1/2) 12:40 PM PST (1/2)
Length of Visible Light 10h 36m
Length of Day
9h 37m
Waning Crescent, 27% of the Moon is Illuminated
Jan 2
Waning Crescent
Jan 8
New
Jan 15
First Quarter
Jan 22
Full
Jan 29
Last Quarter

Daily Weather History & Observations

2007 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
30 52 48 44 47 42 37 89 78 66 30.38 30.34 30.28 10 10 10 17 8 22 0.00  
31 53 46 39 39 33 26 89 60 37 30.36 30.30 30.23 10 10 10 16 8 25 0.00  
2008 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  
1 54 46 39 41 37 32 83 70 59 30.30 30.22 30.16 10 10 8 13 5 - 0.00  
2 53 46 39 45 41 36 86 75 63 30.15 30.07 30.01 10 9 8 18 5 24 0.00  
3 57 52 48 50 47 43 94 80 58 30.02 29.92 29.82 10 7 2 25 13 34 0.23 Rain
4 59 55 50 56 51 40 96 80 63 29.78 29.58 29.47 10 5 1 54 25 68 2.10 Rain
5 54 50 46 47 44 41 93 81 68 29.82 29.77 29.71 10 8 1 29 13 41 0.77 Rain , Thunderstorm