San Francisco, CA

6:56 PM PDT on May 25, 2017 (GMT -0700)
San Francisco International

Weather History for KSFO - January, 2000

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Sunday, January 2, 2000

  Actual Average Record
Temperature  
Mean Temperature 48 °F 50 °F  
Max Temperature 55 °F 56 °F 69 °F (1996)
Min Temperature 41 °F 44 °F 29 °F (1960)
Degree Days  
Heating Degree Days 17 15  
Month to date heating degree days 30  
Since 1 July heating degree days 1040  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 41 °F    
Average Humidity 76    
Maximum Humidity 90    
Minimum Humidity 57    
Precipitation  
Precipitation 0.00 in 0.14 in 1.67 in (1977)
Month to date precipitation 0.28  
Year to date precipitation 0.28  
Sea Level Pressure  
Sea Level Pressure 30.33 in    
Wind  
Wind Speed 9 mph (West)    
Max Wind Speed 21 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
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. 02, 2000 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 3:45 AM PST (1/2) 2:29 PM PST (1/2)
Length of Visible Light 10h 36m
Length of Day
9h 37m
Waning Crescent, 13% of the Moon is Illuminated
Jan 2
Waning Crescent
Jan 6
New
Jan 14
First Quarter
Jan 20
Full
Jan 27
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 46.9 °F - 41.0 °F 80% 30.20 in 10.0 mi West 13.8 mph - N/A   Partly Cloudy
1:56 AM 46.9 °F - 37.9 °F 71% 30.21 in 10.0 mi West 10.4 mph - N/A   Clear
2:56 AM 44.1 °F 42.5 °F 37.0 °F 76% 30.23 in 10.0 mi WSW 3.5 mph - N/A   Clear
3:56 AM 41.0 °F 35.8 °F 37.0 °F 86% 30.25 in 10.0 mi WSW 8.1 mph - N/A   Clear
4:56 AM 43.0 °F 38.2 °F 35.1 °F 74% 30.25 in 10.0 mi West 8.1 mph - N/A   Clear
5:56 AM 42.1 °F 38.4 °F 35.1 °F 76% 30.27 in 10.0 mi WSW 5.8 mph - N/A   Clear
6:56 AM 44.1 °F 41.5 °F 36.0 °F 73% 30.30 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
7:56 AM 43.0 °F - 37.9 °F 82% 30.31 in 10.0 mi Calm Calm - N/A   Clear
8:56 AM 48.0 °F - 37.9 °F 68% 30.33 in 10.0 mi Calm Calm - N/A   Clear
9:56 AM 51.1 °F - 39.0 °F 63% 30.35 in 10.0 mi NNW 4.6 mph - N/A   Partly Cloudy
10:56 AM 51.1 °F - 39.9 °F 66% 30.37 in 10.0 mi Variable 4.6 mph - N/A   Partly Cloudy
11:56 AM 51.1 °F - 41.0 °F 68% 30.36 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
12:56 PM 55.0 °F - 39.9 °F 57% 30.35 in 10.0 mi West 15.0 mph - N/A   Scattered Clouds
1:56 PM 54.0 °F - 42.1 °F 64% 30.34 in 10.0 mi West 20.7 mph - N/A   Scattered Clouds
2:56 PM 54.0 °F - 43.0 °F 66% 30.34 in 10.0 mi West 19.6 mph - N/A   Scattered Clouds
3:56 PM 52.0 °F - 43.0 °F 71% 30.35 in 10.0 mi West 16.1 mph - N/A   Scattered Clouds
4:56 PM 51.1 °F - 43.0 °F 74% 30.36 in 10.0 mi West 13.8 mph - N/A   Scattered Clouds
5:56 PM 50.0 °F - 44.1 °F 80% 30.35 in 10.0 mi West 13.8 mph - N/A   Scattered Clouds
6:56 PM 48.9 °F - 45.0 °F 86% 30.37 in 10.0 mi West 15.0 mph - N/A   Clear
7:56 PM 48.9 °F - 46.0 °F 90% 30.39 in 10.0 mi West 11.5 mph - N/A   Clear
8:56 PM 48.9 °F - 46.0 °F 90% 30.39 in 10.0 mi West 13.8 mph - N/A   Clear
9:56 PM 48.0 °F - 45.0 °F 89% 30.40 in 10.0 mi West 9.2 mph - N/A   Clear
10:56 PM 48.0 °F - 44.1 °F 86% 30.40 in 10.0 mi West 5.8 mph - N/A   Partly Cloudy
11:56 PM 48.0 °F - 43.0 °F 83% 30.41 in 10.0 mi WNW 4.6 mph - N/A   Partly Cloudy