San Francisco, CA

4:59 AM PDT on September 27, 2016 (GMT -0700)
San Francisco International

Weather History for KSFO - January, 2003

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Thursday, January 9, 2003

  Actual Average Record
Temperature  
Mean Temperature 52 °F 50 °F  
Max Temperature 54 °F 56 °F 71 °F (1962)
Min Temperature 50 °F 44 °F 33 °F (1957)
Degree Days  
Heating Degree Days 13 15  
Month to date heating degree days 135  
Since 1 July heating degree days 1145  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 51 °F    
Average Humidity 96    
Maximum Humidity 100    
Minimum Humidity 89    
Precipitation  
Precipitation 0.89 in 0.14 in 1.31 in (1995)
Month to date precipitation 1.24  
Year to date precipitation 1.24  
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 6 mph (NE)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 4 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Jan. 09, 2003 Rise Set
Actual Time 7:24 AM PST 5:08 PM PST
Civil Twilight 6:55 AM PST 5:37 PM PST
Nautical Twilight 6:23 AM PST 6:10 PM PST
Astronomical Twilight 5:51 AM PST 6:41 PM PST
Moon 11:40 AM PST (1/9) No Moon Set
Length of Visible Light 10h 41m
Length of Day
9h 44m
Waxing Crescent, 43% of the Moon is Illuminated
Jan 9
Waxing Crescent
Jan 10
First Quarter
Jan 18
Full
Jan 25
Last Quarter
Feb 1
New

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 51.1 °F 48.9 °F 92% 30.01 in 5.0 mi North 6.9 mph - N/A   Mostly Cloudy
1:56 AM 51.1 °F 48.9 °F 92% 30.02 in 5.0 mi North 5.8 mph - N/A   Mostly Cloudy
2:56 AM 51.1 °F 48.9 °F 92% 30.02 in 5.0 mi Calm Calm - N/A   Mostly Cloudy
3:56 AM 52.0 °F 48.9 °F 89% 30.01 in 5.0 mi ESE 4.6 mph - 0.00 in Rain Light Rain
4:56 AM 51.1 °F 50.0 °F 96% 30.01 in 6.0 mi Calm Calm - 0.00 in Rain Light Rain
5:56 AM 51.1 °F 50.0 °F 96% 30.03 in 5.0 mi North 6.9 mph - 0.00 in Rain Light Rain
6:56 AM 50.0 °F 48.9 °F 96% 30.04 in 4.0 mi North 8.1 mph - 0.04 in Rain Light Rain
7:56 AM 50.0 °F 48.9 °F 96% 30.05 in 3.0 mi North 4.6 mph - 0.00 in Rain Light Rain
8:05 AM 50.0 °F 48.2 °F 94% 30.05 in 3.0 mi North 5.8 mph - 0.00 in Rain Light Rain
8:56 AM 51.1 °F 48.9 °F 92% 30.06 in 3.0 mi North 6.9 mph - 0.00 in Rain Light Rain
8:58 AM 51.8 °F 50.0 °F 94% 30.06 in 3.0 mi NNE 5.8 mph - 0.00 in Rain Light Rain
9:06 AM 51.8 °F 50.0 °F 94% 30.06 in 3.0 mi NNE 6.9 mph - 0.00 in Rain Light Rain
9:56 AM 51.1 °F 50.0 °F 96% 30.06 in 4.0 mi North 4.6 mph - 0.00 in   Mostly Cloudy
10:56 AM 52.0 °F 50.0 °F 93% 30.06 in 3.0 mi North 4.6 mph - N/A   Mostly Cloudy
11:56 AM 52.0 °F 50.0 °F 93% 30.02 in 3.0 mi North 5.8 mph - N/A   Mostly Cloudy
12:56 PM 52.0 °F 50.0 °F 93% 30.00 in 5.0 mi North 6.9 mph - N/A   Mostly Cloudy
1:56 PM 51.1 °F 50.0 °F 96% 29.98 in 3.0 mi North 4.6 mph - 0.08 in Rain Light Rain
2:56 PM 52.0 °F 51.1 °F 97% 29.98 in 3.0 mi North 4.6 mph - 0.03 in Rain Light Rain
3:23 PM 51.8 °F 51.8 °F 100% 29.97 in 1.8 mi NNE 9.2 mph - 0.07 in Rain Rain
3:56 PM 50.0 °F 50.0 °F 100% 29.97 in 1.5 mi NNE 9.2 mph - 0.14 in Rain Light Rain
4:56 PM 51.1 °F 51.1 °F 100% 29.99 in 1.5 mi North 3.5 mph - 0.17 in Rain Rain
5:15 PM 51.8 °F 51.8 °F 100% 29.98 in 2.5 mi NNE 6.9 mph - 0.05 in Rain Rain
5:42 PM 51.8 °F 51.8 °F 100% 29.97 in 1.8 mi NNE 8.1 mph - 0.16 in Rain Rain
5:56 PM 51.1 °F 51.1 °F 100% 29.97 in 2.0 mi NE 8.1 mph - 0.22 in Rain Rain
6:31 PM 51.8 °F 51.8 °F 100% 29.97 in 3.0 mi ESE 10.4 mph - 0.18 in Rain Light Rain
6:56 PM 53.1 °F 52.0 °F 96% 29.97 in 3.0 mi ESE 9.2 mph - 0.19 in Rain Light Rain
7:56 PM 53.1 °F 52.0 °F 96% 29.97 in 6.0 mi ESE 10.4 mph - 0.00 in Rain Light Rain
8:56 PM 53.1 °F 53.1 °F 100% 29.99 in 6.0 mi East 6.9 mph - 0.01 in Rain Light Rain
9:34 PM 53.6 °F 53.6 °F 100% 29.99 in 8.0 mi ESE 4.6 mph - 0.01 in Rain Light Rain
9:56 PM 54.0 °F 54.0 °F 100% 29.99 in 10.0 mi ESE 5.8 mph - 0.01 in   Overcast
10:56 PM 54.0 °F 53.1 °F 97% 29.99 in 9.0 mi ESE 11.5 mph - 0.00 in   Overcast
11:56 PM 54.0 °F 53.1 °F 97% 29.98 in 8.0 mi East 10.4 mph - N/A   Overcast