Weather History for San Francisco, CA

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Month of October, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 93 °F 71 °F 59 °F
Mean Temperature 78 °F 64 °F 58 °F
Min Temperature 62 °F 55 °F 50 °F
Degree Days  
Heating Degree Days (base 65) 7 3 0 85
Cooling Degree Days (base 65) 13 1 0 44
Growing Degree Days (base 50) 44 14 7 445
Dew Point  
Dew Point 62 °F 51 °F 28 °F
Precipitation  
Precipitation 0.38 in 0.02 in 0.00 in 0.70 in
Snowdepth - - - -
Wind  
Wind 33 mph 8 mph 0 mph
Gust Wind 39 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.31 in 30.01 in 29.74 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Oct. 11, 2012 Rise Set
Actual Time 7:14 AM PDT 6:36 PM PDT
Civil Twilight 6:48 AM PDT 7:03 PM PDT
Nautical Twilight 6:17 AM PDT 7:33 PM PDT
Astronomical Twilight 5:47 AM PDT 8:03 PM PDT
Moon 3:03 AM PDT (10/11) 4:12 PM PDT (10/11)
Length of Visible Light 12h 14m
Length of Day
11h 22m
Waning Crescent, 17% of the Moon is Illuminated
Oct 11
Waning Crescent
Oct 15
New
Oct 21
First Quarter
Oct 29
Full
Nov 6
Last Quarter

Weather History Calendar

Precipitation Actual month total 0.70 Normal Month Total: 0.95
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
91 | 57 0.00
Average:
73 | 55 0.01
Scattered Clouds
Actual:
93 | 62 0.00
Average:
73 | 55 0.02
Scattered Clouds
Actual:
79 | 60 0.00
Average:
73 | 55 0.01
Partly Cloudy
Actual:
72 | 59 0.00
Average:
72 | 55 0.02
Partly Cloudy
Actual:
72 | 59 0.00
Average:
72 | 55 0.01
Partly Cloudy
Actual:
72 | 56 0.00
Average:
72 | 54 0.02
Scattered Clouds
Actual:
70 | 55 0.00
Average:
72 | 54 0.02
Scattered Clouds
Actual:
69 | 53 0.00
Average:
72 | 54 0.01
Thunderstorm
Actual:
69 | 54 0.01
Average:
72 | 54 0.02
Thunderstorm
Actual:
67 | 56 0.00
Average:
72 | 54 0.02
Rain
Actual:
59 | 56 T
Average:
72 | 54 0.02
Rain
Actual:
65 | 55 0.02
Average:
71 | 54 0.03
Scattered Clouds
Actual:
72 | 52 0.00
Average:
71 | 54 0.02
Partly Cloudy
Actual:
71 | 56 0.00
Average:
71 | 54 0.03
Fog
Actual:
72 | 55 0.00
Average:
71 | 53 0.03
Partly Cloudy
Actual:
72 | 53 0.00
Average:
71 | 53 0.03
Clear
Actual:
86 | 55 0.00
Average:
70 | 53 0.04
Clear
Actual:
86 | 58 0.00
Average:
70 | 53 0.03
Fog
Actual:
70 | 57 0.00
Average:
70 | 53 0.03
Partly Cloudy
Actual:
66 | 54 0.00
Average:
70 | 53 0.04
Rain
Actual:
62 | 53 T
Average:
70 | 53 0.03
Rain
Actual:
64 | 55 0.38
Average:
69 | 53 0.04
Rain
Actual:
63 | 52 0.05
Average:
69 | 52 0.03
Rain
Actual:
65 | 53 0.16
Average:
69 | 52 0.04
Rain
Actual:
66 | 55 0.03
Average:
69 | 52 0.05
Scattered Clouds
Actual:
71 | 50 0.00
Average:
69 | 52 0.04
Scattered Clouds
Actual:
78 | 55 0.00
Average:
68 | 52 0.05
Fog
Actual:
72 | 56 0.00
Average:
68 | 52 0.05
Fog
Actual:
70 | 53 0.00
Average:
68 | 52 0.05
Partly Cloudy
Actual:
66 | 52 0.00
Average:
68 | 51 0.05
Rain
Actual:
64 | 57 0.05
Average:
67 | 51 0.06
 

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

2012 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 91 74 57 58 46 30 72 42 12 30.01 29.94 29.88 10 10 10 20 7 23 0.00  
2 93 78 62 58 48 39 68 42 16 29.88 29.83 29.77 10 10 10 18 5 23 0.00  
3 79 70 60 62 54 50 72 57 42 30.00 29.89 29.81 10 10 8 12 6 22 0.00  
4 72 66 59 55 52 51 75 62 49 30.15 30.09 30.00 10 10 10 21 9 25 0.00  
5 72 66 59 55 53 50 84 66 47 30.16 30.12 30.08 10 10 10 20 9 25 0.00  
6 72 64 56 54 50 45 86 63 40 30.08 30.04 29.99 10 10 7 18 9 23 0.00  
7 70 63 55 52 51 48 86 67 47 30.03 29.99 29.95 10 10 10 26 10 31 0.00  
8 69 61 53 54 51 47 83 68 53 30.05 30.03 30.00 10 10 10 20 7 22 0.00  
9 69 62 54 54 52 49 83 69 55 30.04 30.00 29.95 10 10 9 18 8 22 0.01 Rain , Thunderstorm
10 67 62 56 52 51 48 86 72 58 29.98 29.95 29.90 10 10 10 24 11 28 0.00 Thunderstorm
11 59 58 56 52 49 48 80 74 67 29.98 29.94 29.91 10 10 8 15 8 20 T Rain
12 65 60 55 52 49 45 86 69 52 30.23 30.08 29.96 10 10 7 15 8 20 0.02 Rain
13 72 62 52 55 51 46 93 69 44 30.31 30.24 30.19 10 10 9 24 8 29 0.00  
14 71 64 56 56 55 54 93 77 61 30.22 30.16 30.09 10 9 4 25 10 31 0.00  
15 72 64 55 59 55 54 100 79 57 30.10 30.06 29.98 10 6 0 24 10 29 0.00 Fog
16 72 63 53 60 57 52 97 82 66 30.01 29.96 29.89 10 10 9 30 14 37 0.00  
17 86 71 55 58 46 28 86 50 13 29.92 29.87 29.81 10 10 10 16 3 18 0.00  
18 86 72 58 61 52 41 73 50 27 30.02 29.95 29.87 10 10 10 29 7 33 0.00  
19 70 64 57 60 58 52 87 78 68 30.06 30.00 29.94 10 10 9 20 11 24 0.00 Fog
20 66 60 54 55 51 45 93 77 60 29.94 29.89 29.82 10 9 4 33 14 39 0.00  
21 62 58 53 49 44 42 72 60 48 29.95 29.90 29.85 10 10 10 25 13 30 T Rain
22 64 60 55 52 48 43 86 67 48 29.94 29.85 29.74 10 8 2 26 13 35 0.38 Rain
23 63 58 52 49 45 38 83 61 39 30.06 30.02 29.96 10 10 10 15 6 18 0.05 Rain
24 65 59 53 51 47 42 83 66 48 30.20 30.12 30.04 10 10 7 14 8 18 0.16 Rain
25 66 61 55 52 50 45 80 68 56 30.27 30.23 30.18 10 8 1 18 6 - 0.03 Rain
26 71 61 50 55 46 36 87 59 30 30.24 30.17 30.09 10 10 10 17 6 22 0.00  
27 78 67 55 57 53 50 86 63 39 30.09 30.03 29.96 10 10 10 21 5 23 0.00  
28 72 64 56 58 54 52 93 75 57 30.04 29.99 29.96 10 10 9 30 9 33 0.00 Fog
29 70 62 53 57 53 51 93 75 57 30.12 30.08 30.04 10 7 0 22 8 25 0.00 Fog
30 66 59 52 55 52 48 93 83 72 30.10 30.04 29.98 10 10 3 24 8 30 0.00  
31 64 61 57 55 53 51 86 75 63 30.03 30.00 29.98 10 10 9 15 7 20 0.05 Rain