San Francisco, CA

1:22 AM PST on February 25, 2017 (GMT -0800)
San Francisco International

Weather History for KSFO - January, 2004

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Week of January 25, 2004 through January 31, 2004

  Max Avg Min Sum
Temperature  
Max Temperature 57 °F 55 °F 52 °F
Mean Temperature 54 °F 50 °F 48 °F
Min Temperature 50 °F 46 °F 42 °F
Degree Days  
Heating Degree Days (base 65) 16 14 12 101
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 4 1 0 6
Dew Point  
Dew Point 53 °F 45 °F 35 °F
Precipitation  
Precipitation 0.05 in 0.01 in 0.00 in 0.09 in
Snowdepth - - - -
Wind  
Wind 22 mph 7 mph 0 mph
Gust Wind 28 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.31 in 30.19 in 30.06 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Jan. 27, 2004 Rise Set
Actual Time 7:17 AM PST 5:27 PM PST
Civil Twilight 6:49 AM PST 5:55 PM PST
Nautical Twilight 6:17 AM PST 6:26 PM PST
Astronomical Twilight 5:46 AM PST 6:57 PM PST
Moon 10:46 AM PST (1/27) 11:54 PM PST (1/27)
Length of Visible Light 11h 05m
Length of Day
10h 09m
Waxing Crescent, 36% of the Moon is Illuminated
Jan 27
Waxing Crescent
Jan 28
First Quarter
Feb 6
Full
Feb 13
Last Quarter
Feb 20
New

Daily Weather History & Observations

2004 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  
25 54 49 44 43 39 36 86 71 54 30.22 30.16 30.08 10 10 10 12 6 - 0.00  
26 55 50 46 47 44 42 90 79 64 30.25 30.21 30.17 10 10 10 15 5 - 0.00  
27 57 54 50 53 50 46 100 90 82 30.24 30.18 30.14 10 9 5 16 10 23 0.04 Rain
28 57 50 44 49 47 43 97 89 74 30.31 30.26 30.23 10 10 7 17 5 21 0.00  
29 52 50 48 50 49 48 97 92 86 30.28 30.23 30.19 10 8 4 9 4 - 0.00  
30 55 52 48 51 46 39 100 83 64 30.21 30.16 30.10 10 9 2 21 8 25 0.05 Rain
31 55 48 42 43 39 35 80 67 51 30.13 30.10 30.06 10 10 9 22 10 28 0.00