Weather History for KSFO - October, 1989

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Week of October 15, 1989 through October 21, 1989

  Max Avg Min Sum
Temperature  
Max Temperature 82 °F 71 °F 62 °F
Mean Temperature 68 °F 62 °F 56 °F
Min Temperature 60 °F 53 °F 50 °F
Degree Days  
Heating Degree Days (base 65) 8 4 0 25
Cooling Degree Days (base 65) 2 1 0 6
Growing Degree Days (base 50) 18 12 6 84
Dew Point  
Dew Point 60 °F 51 °F 40 °F
Precipitation  
Precipitation 0.10 in 0.01 in 0.00 in 0.10 in
Snowdepth - - - -
Wind  
Wind 28 mph 9 mph 0 mph
Gust Wind 38 mph 28 mph 22 mph
Sea Level Pressure  
Sea Level Pressure 30.12 in 29.98 in 29.87 in

Weekly Weather History Graph

Weekly Weather History Graph

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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

Daily Weather History & Observations

1989 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Oct high avg low high avg low high avg low high avg low high avg low high avg high sum  
15 62 56 51 50 49 48 89 81 65 30.05 30.01 29.98 10 10 8 28 15 25 0.00  
16 66 58 50 53 48 40 93 76 41 30.04 30.00 29.95 10 9 6 22 7 - 0.00  
17 82 66 51 56 48 40 89 62 26 30.04 30.00 29.97 10 8 4 15 6 - 0.00  
18 81 68 54 56 52 48 90 64 38 30.12 30.05 29.99 10 8 5 17 5 - 0.00  
19 78 66 55 57 53 48 89 68 37 30.00 29.96 29.89 10 7 4 15 4 - 0.00  
20 64 58 52 54 52 49 93 79 68 29.96 29.93 29.90 10 10 7 28 13 38 0.00  
21 64 62 60 60 56 52 93 80 67 30.01 29.92 29.87 10 9 3 21 12 29 0.10 Fog , Rain