San Francisco, CA

10:44 PM PST on January 23, 2018 (GMT -0800)
San Francisco International

Weather History for KSFO - October, 1990

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Wednesday, October 17, 1990

  Actual Average Record
Temperature  
Mean Temperature 62 °F 62 °F  
Max Temperature 75 °F 70 °F 90 °F (1988)
Min Temperature 50 °F 53 °F 42 °F (1971)
Degree Days  
Heating Degree Days 2 4  
Month to date heating degree days 53  
Since 1 July heating degree days 219  
Cooling Degree Days 0 1  
Month to date cooling degree days 17  
Year to date cooling degree days 158  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 68    
Maximum Humidity 89    
Minimum Humidity 33    
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 29.97 in    
Wind  
Wind Speed 6 mph (WNW)    
Max Wind Speed 20 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

Oct. 17, 1990 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 6:28 AM PDT (10/17) 5:44 PM PDT (10/17)
Length of Visible Light 12h 02m
Length of Day
11h 09m
Waning Crescent, 1% of the Moon is Illuminated
Oct 17
Waning Crescent
Oct 18
New
Oct 26
First Quarter
Nov 2
Full
Nov 9
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:00 AM 55.0 °F 46.9 °F 74% 29.94 in 10.0 mi Calm Calm - N/A   Clear
1:00 AM 53.1 °F 45.0 °F 74% 29.95 in 10.0 mi West 4.6 mph - N/A   Clear
2:00 AM 54.0 °F 44.1 °F 69% 29.94 in 10.0 mi SW 3.5 mph - N/A   Clear
3:00 AM 54.0 °F 44.1 °F 69% 29.94 in 10.0 mi West 3.5 mph - N/A   Clear
4:00 AM 53.1 °F 44.1 °F 71% 29.93 in 10.0 mi South 3.5 mph - N/A   Clear
5:00 AM 52.0 °F 42.1 °F 69% 29.93 in 10.0 mi WSW 3.5 mph - N/A   Clear
6:00 AM 50.0 °F 44.1 °F 80% 29.94 in 10.0 mi Calm Calm - N/A   Clear
7:00 AM 51.1 °F 45.0 °F 80% 29.97 in 10.0 mi West 5.8 mph - N/A   Clear
8:00 AM 51.1 °F 48.0 °F 89% 29.98 in 10.0 mi WNW 6.9 mph - N/A   Clear
9:00 AM 57.9 °F 50.0 °F 75% 30.00 in 10.0 mi Calm Calm - N/A   Clear
10:00 AM 63.0 °F 54.0 °F 72% 30.01 in 8.0 mi North 4.6 mph - N/A   Clear
11:00 AM 64.9 °F 55.0 °F 70% 30.01 in 8.0 mi North 4.6 mph - N/A   Clear
12:00 PM 66.9 °F 55.0 °F 66% 30.00 in 10.0 mi NNE 6.9 mph - N/A   Clear
1:00 PM 69.1 °F 55.0 °F 61% 30.00 in 10.0 mi NNE 5.8 mph - N/A   Clear
2:00 PM 73.0 °F 48.9 °F 42% 29.97 in 15.0 mi North 5.8 mph - N/A   Clear
3:00 PM 75.9 °F 45.0 °F 33% 29.96 in 15.0 mi NW 15.0 mph - N/A   Scattered Clouds
4:00 PM 68.0 °F 48.9 °F 50% 29.96 in 15.0 mi WNW 19.6 mph - N/A   Mostly Cloudy
5:00 PM 64.0 °F 50.0 °F 60% 29.95 in 10.0 mi WNW 17.3 mph - N/A   Overcast
6:00 PM 64.0 °F 48.0 °F 56% 29.95 in 10.0 mi WNW 13.8 mph - N/A   Overcast
7:00 PM 60.1 °F 46.9 °F 62% 29.96 in 10.0 mi WNW 16.1 mph - N/A   Overcast
8:00 PM 59.0 °F 48.0 °F 67% 29.97 in 10.0 mi WNW 11.5 mph - N/A   Overcast
9:00 PM 55.9 °F 48.9 °F 77% 29.98 in 10.0 mi West 17.3 mph - N/A   Overcast
10:00 PM 55.9 °F 50.0 °F 80% 29.99 in 10.0 mi WNW 18.4 mph - N/A   Unknown
11:00 PM 55.9 °F 48.9 °F 77% 30.00 in 10.0 mi WNW 17.3 mph - N/A   Mostly Cloudy