Weather History for San Francisco, CA

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Month of October, 1989

  Max Avg Min Sum
Temperature  
Max Temperature 84 °F 69 °F 60 °F
Mean Temperature 70 °F 61 °F 55 °F
Min Temperature 60 °F 52 °F 46 °F
Degree Days  
Heating Degree Days (base 65) 10 5 0 148
Cooling Degree Days (base 65) 6 0 0 14
Growing Degree Days (base 50) 20 11 5 329
Dew Point  
Dew Point 60 °F 50 °F 31 °F
Precipitation  
Precipitation 1.16 in 0.05 in 0.00 in 1.40 in
Snowdepth - - - -
Wind  
Wind 41 mph 10 mph 0 mph
Gust Wind 58 mph 29 mph 22 mph
Sea Level Pressure  
Sea Level Pressure 30.26 in 30.04 in 29.82 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Oct. 26, 1989 Rise Set
Actual Time 7:28 AM PDT 6:17 PM PDT
Civil Twilight 7:01 AM PDT 6:44 PM PDT
Nautical Twilight 6:31 AM PDT 7:15 PM PDT
Astronomical Twilight 6:00 AM PDT 7:45 PM PDT
Moon 4:48 AM PDT (10/26) 4:44 PM PDT (10/26)
Length of Visible Light 11h 42m
Length of Day
10h 49m
Waning Crescent, 7% of the Moon is Illuminated
Oct 26
Waning Crescent
Oct 29
New
Nov 6
First Quarter
Nov 12
Full
Nov 19
Last Quarter

Weather History Calendar

Precipitation Actual month total 1.40 Average Month Total: 0.93
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Scattered Clouds
Actual:
69 | 54 0.00
Average:
71 | 54 0.01
Partly Cloudy
Actual:
61 | 54 0.00
Average:
71 | 54 0.01
Clear
Actual:
73 | 50 0.00
Average:
74 | 53 0.00
Scattered Clouds
Actual:
71 | 46 0.00
Average:
73 | 53 0.00
Scattered Clouds
Actual:
77 | 51 0.00
Average:
72 | 53 0.00
Fog
Actual:
69 | 51 0.00
Average:
72 | 53 0.00
Fog
Actual:
72 | 51 0.00
Average:
71 | 52 0.02
Clear
Actual:
84 | 51 0.00
Average:
71 | 52 0.00
Clear
Actual:
84 | 57 0.00
Average:
72 | 53 0.07
Fog
Actual:
69 | 52 0.00
Average:
71 | 53 0.05
Fog
Actual:
66 | 53 0.00
Average:
71 | 52 0.06
Fog
Actual:
64 | 50 0.00
Average:
72 | 52 0.01
Partly Cloudy
Actual:
63 | 54 0.00
Average:
71 | 53 0.01
Mostly Cloudy
Actual:
60 | 55 0.00
Average:
70 | 52 0.04
Partly Cloudy
Actual:
62 | 51 0.00
Average:
69 | 51 0.07
Partly Cloudy
Actual:
66 | 50 0.00
Average:
71 | 51 0.04
Clear
Actual:
82 | 51 0.00
Average:
71 | 51 0.00
Clear
Actual:
81 | 54 0.00
Average:
69 | 51 0.00
Partly Cloudy
Actual:
78 | 55 0.00
Average:
69 | 51 0.01
Mostly Cloudy
Actual:
64 | 52 0.00
Average:
69 | 52 0.03
Rain
Actual:
64 | 60 0.10
Average:
68 | 51 0.01
Mostly Cloudy
Actual:
69 | 59 0.00
Average:
68 | 51 0.03
Rain
Actual:
64 | 57 1.16
Average:
69 | 52 0.04
Rain
Actual:
64 | 54 0.08
Average:
70 | 52 0.03
Scattered Clouds
Actual:
60 | 50 0.00
Average:
69 | 52 0.11
Partly Cloudy
Actual:
64 | 50 0.00
Average:
68 | 51 0.08
Rain
Actual:
62 | 53 0.06
Average:
67 | 51 0.05
Clear
Actual:
66 | 51 0.00
Average:
65 | 50 0.06
Partly Cloudy
Actual:
66 | 52 0.00
Average:
66 | 49 0.07
Partly Cloudy
Actual:
70 | 48 0.00
Average:
67 | 50 0.01
Scattered Clouds
Actual:
69 | 48 0.00
Average:
68 | 49 0.01
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

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  
1 69 62 54 57 54 52 97 83 63 30.01 29.92 29.84 10 10 8 23 11 - 0.00  
2 61 58 54 53 51 50 87 79 72 29.96 29.87 29.82 10 8 7 17 11 - 0.00  
3 73 62 50 54 51 45 96 79 37 30.05 30.01 29.96 20 10 8 17 8 - 0.00  
4 71 58 46 56 50 46 100 82 52 30.07 30.01 29.94 15 8 3 21 10 - 0.00  
5 77 64 51 56 51 43 93 72 39 29.97 29.94 29.91 15 11 5 24 8 - 0.00  
6 69 60 51 56 52 48 100 81 54 30.15 30.07 29.98 10 8 2 24 11 - 0.00 Fog
7 72 62 51 57 52 48 100 83 53 30.18 30.13 30.06 15 6 2 18 10 - 0.00 Fog
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  
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
22 69 64 59 57 54 53 90 72 59 30.05 30.01 29.95 15 10 10 28 13 29 0.00  
23 64 60 57 58 55 51 93 81 63 30.07 29.97 29.86 15 8 1 41 20 58 1.16 Fog , Rain
24 64 60 54 56 53 47 93 80 58 30.10 30.05 30.01 15 13 3 15 10 24 0.08 Rain
25 60 55 50 52 48 44 96 77 55 30.19 30.10 30.02 15 15 15 23 10 - 0.00  
26 64 57 50 51 49 47 93 79 56 30.26 30.21 30.18 20 14 10 13 6 - 0.00  
27 62 58 53 55 50 48 93 78 60 30.22 30.18 30.12 15 12 5 22 10 - 0.06 Fog , Rain
28 66 58 51 48 41 34 89 57 30 30.21 30.16 30.09 20 16 15 25 8 - 0.00  
29 66 59 52 50 37 31 72 44 33 30.20 30.15 30.11 20 16 15 21 12 33 0.00  
30 70 59 48 47 41 34 90 59 28 30.22 30.16 30.10 20 16 15 7 4 - 0.00  
31 69 58 48 51 44 33 90 65 26 30.12 30.08 30.03 20 13 8 14 5 - 0.00