San Francisco, CA

1:15 AM PDT on June 25, 2017 (GMT -0700)
San Francisco International

Weather History for KSFO - December, 2002

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Week of December 29, 2002 through January 4, 2003

  Max Avg Min Sum
Temperature  
Max Temperature 57 °F 55 °F 52 °F
Mean Temperature 52 °F 50 °F 48 °F
Min Temperature 48 °F 46 °F 43 °F
Degree Days  
Heating Degree Days (base 65) 18 14 12 101
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 2 1 0 4
Dew Point  
Dew Point 54 °F 47 °F 43 °F
Precipitation  
Precipitation 0.48 in 0.11 in 0.00 in 0.75 in
Snowdepth - - - -
Wind  
Wind 33 mph 8 mph 0 mph
Gust Wind 43 mph 31 mph 20 mph
Sea Level Pressure  
Sea Level Pressure 30.35 in 30.19 in 29.84 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Dec. 31, 2002 Rise Set
Actual Time 7:24 AM PST 5:00 PM PST
Civil Twilight 6:55 AM PST 5:30 PM PST
Nautical Twilight 6:22 AM PST 6:02 PM PST
Astronomical Twilight 5:50 AM PST 6:34 PM PST
Moon 5:15 AM PST (12/31) 3:06 PM PST (12/31)
Length of Visible Light 10h 35m
Length of Day
9h 36m
Waning Crescent, 5% of the Moon is Illuminated
Dec 31
Waning Crescent
Jan 2
New
Jan 10
First Quarter
Jan 18
Full
Jan 25
Last Quarter

Daily Weather History & Observations

2002 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  
29 55 50 46 47 45 43 89 79 66 30.22 30.06 29.84 10 10 7 23 14 32 0.17 Rain
30 55 50 46 49 46 44 93 85 74 30.25 30.17 29.94 10 10 8 29 9 41 0.10 Rain
31 57 52 45 52 47 43 97 81 67 30.30 30.17 29.91 10 8 2 33 20 43 0.48 Rain
2003 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 52 48 43 50 46 43 100 90 80 30.35 30.28 30.23 10 9 5 9 2 - 0.00  
2 54 50 46 49 47 45 100 88 77 30.27 30.23 30.17 10 9 7 8 3 - 0.00  
3 55 50 46 48 46 44 97 84 67 30.23 30.19 30.15 10 10 7 8 3 - 0.00  
4 57 52 48 54 50 46 100 91 78 30.32 30.26 30.17 10 9 8 9 3 - 0.00 Fog