San Francisco, CA

1:40 PM PST on February 14, 2016 (GMT -0800)
San Francisco International

Weather History for KSFO - January, 1998

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Monday, January 26, 1998

  Actual Average Record
Temperature  
Mean Temperature 58 °F 51 °F  
Max Temperature 62 °F 57 °F 66 °F (1984)
Min Temperature 53 °F 45 °F 30 °F (1949)
Degree Days  
Heating Degree Days 8 14  
Month to date heating degree days 385  
Since 1 July heating degree days 1395  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 92    
Maximum Humidity 100    
Minimum Humidity 80    
Precipitation  
Precipitation 0.09 in 0.13 in 1.52 in (1983)
Month to date precipitation 3.52  
Year to date precipitation 3.52  
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 8 mph (SE)    
Max Wind Speed 21 mph    
Max Gust Speed 26 mph    
Visibility 7 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jan. 26, 1998 Rise Set
Actual Time 7:17 AM PST 5:26 PM PST
Civil Twilight 6:49 AM PST 5:54 PM PST
Nautical Twilight 6:18 AM PST 6:26 PM PST
Astronomical Twilight 5:47 AM PST 6:57 PM PST
Moon 5:47 AM PST (1/26) 4:12 PM PST (1/26)
Length of Visible Light 11h 04m
Length of Day
10h 09m
Waning Crescent, 3% of the Moon is Illuminated
Jan 26
Waning Crescent
Jan 27
New
Feb 3
First Quarter
Feb 11
Full
Feb 19
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:46 AM 55.4 °F 51.8 °F 88% 30.10 in 5.0 mi ESE 12.7 mph - N/A   Overcast
12:56 AM 54.0 °F 52.0 °F 93% 30.09 in 5.0 mi ESE 10.4 mph - N/A   Overcast
1:15 AM 53.6 °F 51.8 °F 94% 30.09 in 5.0 mi ESE 11.5 mph - N/A   Overcast
1:56 AM 55.0 °F 52.0 °F 89% 30.09 in 7.0 mi Calm Calm - N/A   Overcast
2:16 AM 55.4 °F 51.8 °F 88% 30.08 in 6.0 mi Calm Calm - N/A   Overcast
2:56 AM 54.0 °F 52.0 °F 93% 30.08 in 5.0 mi Calm Calm - N/A   Overcast
3:56 AM 54.0 °F 52.0 °F 93% 30.06 in 8.0 mi East 5.8 mph - N/A   Overcast
4:56 AM 54.0 °F 52.0 °F 93% 30.05 in 9.0 mi Calm Calm - N/A   Overcast
5:56 AM 53.1 °F 52.0 °F 96% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
6:30 AM 53.6 °F 51.8 °F 94% 30.03 in 10.0 mi Calm Calm - N/A   Overcast
6:45 AM 53.6 °F 51.8 °F 94% 30.03 in 10.0 mi East 3.5 mph - N/A   Overcast
6:56 AM 53.1 °F 52.0 °F 96% 30.03 in 10.0 mi East 3.5 mph - N/A   Overcast
7:56 AM 53.1 °F 53.1 °F 100% 30.04 in 10.0 mi East 3.5 mph - N/A   Overcast
8:56 AM 54.0 °F 53.1 °F 97% 30.04 in 8.0 mi Calm Calm - N/A   Overcast
9:14 AM 53.6 °F 53.6 °F 100% 30.05 in 8.0 mi ENE 5.8 mph - N/A   Overcast
9:56 AM 54.0 °F 53.1 °F 97% 30.05 in 8.0 mi ENE 6.9 mph - N/A   Overcast
10:56 AM 54.0 °F 53.1 °F 97% 30.06 in 7.0 mi East 10.4 mph - 0.00 in   Overcast
11:56 AM 55.0 °F 53.1 °F 93% 30.04 in 7.0 mi East 6.9 mph - 0.00 in   Overcast
12:47 PM 60.8 °F 57.2 °F 88% 30.02 in 2.5 mi SSE 16.1 mph - 0.01 in   Drizzle
12:56 PM 59.0 °F 57.0 °F 93% 30.01 in 6.0 mi SSE 16.1 mph - 0.01 in Rain Rain
1:40 PM 62.6 °F 57.2 °F 82% 29.98 in 10.0 mi SSE 20.7 mph 26.5 mph 0.00 in   Mostly Cloudy
1:56 PM 62.1 °F 55.9 °F 80% 29.98 in 10.0 mi SSE 13.8 mph 21.9 mph 0.00 in   Mostly Cloudy
2:56 PM 60.1 °F 55.9 °F 86% 29.94 in 6.0 mi SE 13.8 mph - 0.00 in Rain Light Rain
3:56 PM 59.0 °F 55.0 °F 87% 29.96 in 5.0 mi SSE 9.2 mph - 0.01 in Rain Light Rain
4:13 PM 59.0 °F 53.6 °F 82% 29.97 in 3.0 mi SSE 13.8 mph - 0.00 in Rain Light Rain
4:56 PM 57.9 °F 55.0 °F 90% 29.97 in 5.0 mi SSE 19.6 mph 26.5 mph 0.01 in Rain Light Rain
5:06 PM 57.2 °F 53.6 °F 88% 29.96 in 7.0 mi SE 19.6 mph - 0.00 in   Overcast
5:33 PM 57.2 °F 55.4 °F 94% 29.97 in 5.0 mi SSE 20.7 mph - 0.00 in Rain Light Rain
5:56 PM 57.9 °F 55.0 °F 90% 29.98 in 4.0 mi SE 18.4 mph - 0.00 in Rain Light Rain
6:28 PM 57.2 °F 55.4 °F 94% 29.99 in 2.5 mi SE 13.8 mph - 0.01 in Rain Light Rain
6:56 PM 57.9 °F 55.0 °F 90% 30.00 in 3.0 mi SSE 19.6 mph - 0.02 in Rain Light Rain
7:56 PM 57.0 °F 55.9 °F 96% 30.02 in 5.0 mi South 8.1 mph - 0.02 in Rain Light Rain
8:38 PM 57.2 °F 55.4 °F 94% 30.03 in 10.0 mi South 4.6 mph - 0.02 in   Overcast
8:56 PM 57.0 °F 55.9 °F 96% 30.03 in 10.0 mi SSW 5.8 mph - 0.02 in   Overcast
9:56 PM 57.9 °F 54.0 °F 87% 30.05 in 10.0 mi WSW 6.9 mph - 0.00 in   Overcast
10:56 PM 57.0 °F 55.0 °F 93% 30.06 in 10.0 mi WNW 8.1 mph - 0.00 in   Overcast
11:56 PM 55.9 °F 54.0 °F 93% 30.06 in 10.0 mi Calm Calm - 0.00 in   Overcast