San Francisco, CA

11:36 AM PST on December 06, 2016 (GMT -0800)
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Weather History for KSFO - October, 1989

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Tuesday, October 17, 1989

  Actual Average Record
Temperature  
Mean Temperature 66 °F 62 °F  
Max Temperature 82 °F 70 °F 90 °F (1988)
Min Temperature 51 °F 53 °F 42 °F (1971)
Degree Days  
Heating Degree Days 0 4  
Month to date heating degree days 53  
Since 1 July heating degree days 219  
Cooling Degree Days 2 1  
Month to date cooling degree days 17  
Year to date cooling degree days 158  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 62    
Maximum Humidity 89    
Minimum Humidity 26    
Precipitation  
Precipitation 0.00 in 0.04 in 0.18 in (2004)
Month to date precipitation 0.36  
Year to date precipitation 13.65  
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 6 mph (NW)    
Max Wind Speed 15 mph    
Max Gust Speed -    
Visibility 8 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

Oct. 17, 1989 Rise Set
Actual Time 7:19 AM PDT 6:29 PM PDT
Civil Twilight 6:53 AM PDT 6:55 PM PDT
Nautical Twilight 6:22 AM PDT 7:26 PM PDT
Astronomical Twilight 5:52 AM PDT 7:56 PM PDT
Moon 8:26 PM PDT (10/17) 11:00 AM PDT (10/17)
Length of Visible Light 12h 02m
Length of Day
11h 09m
Waning Gibbous, 87% of the Moon is Illuminated
Oct 17
Waning Gibbous
Oct 21
Last Quarter
Oct 29
New
Nov 6
First Quarter
Nov 12
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:00 AM 54.0 °F 48.0 °F 80% 29.99 in 10.0 mi WNW 5.8 mph - N/A   Clear
1:00 AM 54.0 °F 48.0 °F 80% 29.99 in 10.0 mi Calm Calm - N/A   Clear
2:00 AM 54.0 °F 48.0 °F 80% 29.99 in 10.0 mi Calm Calm - N/A   Clear
3:00 AM 51.1 °F 46.9 °F 86% 30.00 in 10.0 mi WNW 6.9 mph - N/A   Clear
4:00 AM 52.0 °F 48.0 °F 86% 29.99 in 10.0 mi WNW 8.1 mph - N/A   Clear
5:00 AM 54.0 °F 50.0 °F 86% 29.99 in 10.0 mi SW 4.6 mph - N/A   Clear
6:00 AM 53.1 °F 48.9 °F 86% 30.00 in 10.0 mi WSW 5.8 mph - N/A   Clear
7:00 AM 53.1 °F 50.0 °F 89% 30.00 in 10.0 mi SW 3.5 mph - N/A   Clear
8:00 AM 53.1 °F 50.0 °F 89% 30.01 in 8.0 mi Calm Calm - N/A   Clear
9:00 AM 57.9 °F 52.0 °F 81% 30.03 in 7.0 mi South 3.5 mph - N/A   Clear
10:00 AM 64.0 °F 55.0 °F 73% 30.04 in 6.0 mi NE 4.6 mph - N/A   Drizzle
11:00 AM 64.9 °F 55.9 °F 73% 30.04 in 5.0 mi NNE 6.9 mph - N/A   Drizzle
12:00 PM 64.9 °F 55.9 °F 73% 30.03 in 4.0 mi NE 5.8 mph - N/A   Drizzle
1:00 PM 72.0 °F 53.1 °F 51% 30.01 in 6.0 mi North 4.6 mph - N/A   Drizzle
2:00 PM 75.9 °F 46.9 °F 36% 29.99 in 8.0 mi WNW 4.6 mph - N/A   Clear
3:00 PM 80.1 °F 44.1 °F 28% 29.98 in 8.0 mi North 4.6 mph - N/A   Clear
4:00 PM 82.9 °F 45.0 °F 26% 29.98 in 8.0 mi North 4.6 mph - N/A   Clear
5:00 PM 77.0 °F 48.9 °F 37% 29.97 in 8.0 mi NW 13.8 mph - N/A   Clear
6:00 PM 73.0 °F 45.0 °F 37% 29.97 in 8.0 mi WNW 15.0 mph - N/A   Clear
7:00 PM 69.1 °F 45.0 °F 42% 29.98 in 8.0 mi WNW 13.8 mph - N/A   Clear
8:00 PM 66.9 °F 42.1 °F 40% 29.99 in 8.0 mi WNW 15.0 mph - N/A   Clear
9:00 PM 68.0 °F 39.9 °F 36% 30.00 in 10.0 mi WNW 11.5 mph - N/A   Clear
10:00 PM 63.0 °F 43.0 °F 48% 30.01 in 10.0 mi WNW 8.1 mph - N/A   Scattered Clouds
11:00 PM 61.0 °F 45.0 °F 56% 30.03 in 8.0 mi WNW 6.9 mph - N/A   Clear