Weather History for San Francisco, CA

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Week of October 8, 1989 through October 14, 1989

  Max Avg Min Sum
Temperature  
Max Temperature 84 °F 70 °F 60 °F
Mean Temperature 70 °F 62 °F 57 °F
Min Temperature 57 °F 53 °F 50 °F
Degree Days  
Heating Degree Days (base 65) 8 5 0 32
Cooling Degree Days (base 65) 6 1 0 8
Growing Degree Days (base 50) 20 12 7 81
Dew Point  
Dew Point 60 °F 52 °F 45 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 25 mph 10 mph 0 mph
Gust Wind 26 mph 26 mph 26 mph
Sea Level Pressure  
Sea Level Pressure 30.12 in 30.04 in 29.98 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Oct. 10, 1989 Rise Set
Actual Time 7:13 AM PDT 6:38 PM PDT
Civil Twilight 6:46 AM PDT 7:05 PM PDT
Nautical Twilight 6:16 AM PDT 7:35 PM PDT
Astronomical Twilight 5:46 AM PDT 8:05 PM PDT
Moon 4:19 PM PDT (10/10) 2:12 AM PDT (10/10)
Length of Visible Light 12h 18m
Length of Day
11h 25m
Waxing Gibbous, 78% of the Moon is Illuminated
Oct 10
Waxing Gibbous
Oct 14
Full
Oct 21
Last Quarter
Oct 29
New
Nov 6
First Quarter

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  
8 84 68 51 59 53 48 96 70 31 30.12 30.07 30.00 15 10 4 18 7 - 0.00  
9 84 70 57 60 52 45 93 63 25 30.08 30.04 30.00 15 9 6 17 5 - 0.00  
10 69 60 52 56 53 51 100 85 54 30.08 30.03 29.98 10 7 1 25 11 - 0.00 Fog
11 66 60 53 55 53 51 100 86 65 30.08 30.03 29.98 10 8 4 20 9 - 0.00 Fog
12 64 57 50 52 51 49 100 85 58 30.09 30.05 30.01 10 7 3 21 10 - 0.00 Fog
13 63 58 54 53 51 50 90 80 65 30.12 30.07 30.01 15 11 10 21 12 - 0.00  
14 60 58 55 54 52 50 93 87 69 30.04 30.00 29.98 15 10 8 22 13 26 0.00