San Francisco, CA

9:43 PM PDT on June 26, 2017 (GMT -0700)
San Francisco International

Weather History for KSFO - January, 1998

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Thursday, January 8, 1998

  Actual Average Record
Temperature  
Mean Temperature 48 °F 50 °F  
Max Temperature 51 °F 56 °F 70 °F (1962)
Min Temperature 46 °F 44 °F 30 °F (1955)
Degree Days  
Heating Degree Days 16 15  
Month to date heating degree days 120  
Since 1 July heating degree days 1130  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 46 °F    
Average Humidity 90    
Maximum Humidity 100    
Minimum Humidity 83    
Precipitation  
Precipitation 0.00 in 0.14 in 1.33 in (1979)
Month to date precipitation 1.10  
Year to date precipitation 1.10  
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 9 mph (ENE)    
Max Wind Speed 14 mph    
Max Gust Speed -    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jan. 08, 1998 Rise Set
Actual Time 7:24 AM PST 5:08 PM PST
Civil Twilight 6:55 AM PST 5:36 PM PST
Nautical Twilight 6:23 AM PST 6:09 PM PST
Astronomical Twilight 5:51 AM PST 6:41 PM PST
Moon 2:09 PM PST (1/8) 3:18 AM PST (1/8)
Length of Visible Light 10h 41m
Length of Day
9h 43m
Waxing Gibbous, 83% of the Moon is Illuminated
Jan 8
Waxing Gibbous
Jan 12
Full
Jan 20
Last Quarter
Jan 27
New
Feb 3
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 48.0 °F 46.0 °F 93% 30.10 in 9.0 mi East 10.4 mph - N/A   Overcast
1:56 AM 48.0 °F 46.0 °F 93% 30.09 in 10.0 mi East 8.1 mph - N/A   Overcast
2:56 AM 46.9 °F 46.0 °F 97% 30.08 in 6.0 mi SSE 4.6 mph - N/A   Overcast
3:56 AM 46.9 °F 46.9 °F 100% 30.05 in 5.0 mi ENE 4.6 mph - N/A   Overcast
4:22 AM 48.2 °F 44.6 °F 87% 30.05 in 10.0 mi NE 5.8 mph - N/A   Overcast
4:56 AM 48.0 °F 45.0 °F 89% 30.04 in 10.0 mi NNE 11.5 mph - N/A   Overcast
5:56 AM 48.0 °F 45.0 °F 89% 30.03 in 10.0 mi NE 13.8 mph - N/A   Overcast
6:56 AM 48.0 °F 45.0 °F 89% 30.02 in 10.0 mi ENE 12.7 mph - N/A   Overcast
7:56 AM 48.0 °F 45.0 °F 89% 30.03 in 10.0 mi NE 13.8 mph - N/A   Overcast
8:56 AM 48.0 °F 45.0 °F 89% 30.04 in 10.0 mi NE 12.7 mph - N/A   Overcast
9:56 AM 48.0 °F 45.0 °F 89% 30.05 in 10.0 mi ENE 9.2 mph - N/A   Overcast
10:30 AM 48.2 °F 44.6 °F 87% 30.05 in 10.0 mi ENE 8.1 mph - N/A   Overcast
10:56 AM 48.9 °F 45.0 °F 86% 30.04 in 10.0 mi ENE 5.8 mph - N/A   Mostly Cloudy
11:43 AM 48.2 °F 44.6 °F 87% 30.02 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
11:56 AM 50.0 °F 45.0 °F 83% 30.01 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
12:56 PM 50.0 °F 46.0 °F 86% 29.98 in 10.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
1:56 PM 50.0 °F 46.9 °F 89% 29.96 in 10.0 mi ENE 4.6 mph - N/A   Overcast
2:56 PM 51.1 °F 46.9 °F 86% 29.96 in 10.0 mi East 6.9 mph - N/A   Overcast
3:56 PM 51.1 °F 46.9 °F 86% 29.94 in 9.0 mi ESE 5.8 mph - N/A   Overcast
4:56 PM 51.1 °F 46.9 °F 86% 29.94 in 10.0 mi ENE 6.9 mph - N/A   Overcast
5:56 PM 50.0 °F 46.9 °F 89% 29.93 in 10.0 mi NE 11.5 mph - N/A   Overcast
6:09 PM 50.0 °F 46.4 °F 87% 29.92 in 9.0 mi NE 10.4 mph - N/A   Overcast
6:56 PM 48.9 °F 46.9 °F 93% 29.91 in 9.0 mi NE 11.5 mph - N/A   Overcast
7:56 PM 48.9 °F 46.9 °F 93% 29.91 in 9.0 mi NE 10.4 mph - N/A   Overcast
8:56 PM 48.9 °F 46.9 °F 93% 29.91 in 8.0 mi NE 6.9 mph - N/A   Partly Cloudy
9:56 PM 48.9 °F 46.9 °F 93% 29.90 in 8.0 mi ENE 11.5 mph - N/A   Overcast
10:56 PM 48.9 °F 46.9 °F 93% 29.90 in 7.0 mi Variable 3.5 mph - N/A   Overcast
11:56 PM 48.9 °F 46.9 °F 93% 29.88 in 7.0 mi SE 3.5 mph - N/A   Mostly Cloudy