San Francisco, CA

4:06 AM PDT on October 01, 2016 (GMT -0700)
San Francisco International

Weather History for KSFO - January, 2004

Change the Weather History Date:

Week of January 18, 2004 through January 24, 2004

  Max Avg Min Sum
Temperature  
Max Temperature 59 °F 55 °F 52 °F
Mean Temperature 52 °F 51 °F 47 °F
Min Temperature 50 °F 45 °F 39 °F
Degree Days  
Heating Degree Days (base 65) 18 15 13 103
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 2 1 0 9
Dew Point  
Dew Point 50 °F 45 °F 35 °F
Precipitation  
Precipitation 0.20 in 0.04 in 0.00 in 0.26 in
Snowdepth - - - -
Wind  
Wind 26 mph 6 mph 0 mph
Gust Wind 32 mph 30 mph 24 mph
Sea Level Pressure  
Sea Level Pressure 30.38 in 30.17 in 29.97 in

Weekly Weather History Graph

Weekly Weather History Graph

Search for Another Location

Airport or City:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Jan. 20, 2004 Rise Set
Actual Time 7:21 AM PST 5:19 PM PST
Civil Twilight 6:53 AM PST 5:48 PM PST
Nautical Twilight 6:21 AM PST 6:20 PM PST
Astronomical Twilight 5:49 AM PST 6:51 PM PST
Moon 6:41 AM PST (1/20) 4:01 PM PST (1/20)
Length of Visible Light 10h 54m
Length of Day
9h 58m
Waning Crescent, 2% of the Moon is Illuminated
Jan 20
Waning Crescent
Jan 21
New
Jan 28
First Quarter
Feb 6
Full
Feb 13
Last Quarter

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  
18 55 52 48 50 46 44 93 82 69 30.20 30.17 30.12 9 7 4 10 7 - 0.00  
19 54 52 50 50 49 47 100 92 83 30.21 30.16 30.10 10 6 2 9 6 - 0.00  
20 55 52 46 50 47 44 96 84 72 30.16 30.10 30.08 10 10 5 14 6 - 0.01  
21 57 51 45 47 41 35 93 72 42 30.33 30.25 30.17 10 10 8 14 3 - 0.00  
22 59 49 39 48 42 35 89 78 41 30.38 30.31 30.27 10 10 10 13 4 - 0.00  
23 52 47 42 48 44 41 97 87 71 30.27 30.17 30.05 10 8 4 15 5 - 0.05 Rain
24 55 52 48 50 47 41 97 88 74 30.07 30.03 29.97 10 6 2 26 8 32 0.20 Rain