History for San Francisco, CA

Week of December 16, 2012 through December 22, 2012 — View Current Conditions
Week of December 16, 2012 through December 22, 2012
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Daily Weekly Monthly Custom
  Max Avg Min Sum
Temperature
Max Temperature 60 °F 57 °F 51 °F
Mean Temperature 55 °F 51 °F 44 °F
Min Temperature 52 °F 45 °F 36 °F
Degree Days
Heating Degree Days (base 65) 21 14 10 96
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 5 2 0 15
Dew Point
Dew Point 54 °F 40 °F 18 °F
Precipitation
Precipitation 0.57 in 0.15 in 0.00 in 1.05 in
Snowdepth - - - -
Wind
Wind 35 mph 11 mph 0 mph
Gust Wind 52 mph 27 mph 16 mph
Sea Level Pressure
Sea Level Pressure 30.32 in 30.05 in 29.84 in
Weekly Graph
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Date:
Astronomy
May. 19, 2013 Rise Set
Actual Time 7:21 AM PST 4:55 PM PST
Civil Twilight 6:52 AM PST 5:24 PM PST
Nautical Twilight 6:19 AM PST 5:57 PM PST
Astronomical Twilight 5:47 AM PST 6:29 PM PST
Moon 1:12 PM PST (12/22) 2:15 AM PST (12/22)
Length Of Visible Light 10h 32m
Length of Day
9h 33m
Waxing Gibbous, 74% of the Moon is Illuminated
Dec 22
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
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Daily Observations
2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
16 57 52 47 51 45 41 86 79 71 30.11 30.06 30.03 10 10 3 16 6 23 0.01 Rain
17 59 55 50 54 48 39 93 78 63 30.08 30.02 29.99 10 8 1 21 12 26 0.15 Rain
18 53 49 44 38 31 28 66 54 41 30.21 30.08 30.01 10 10 10 28 13 33 0.00  
19 51 44 36 34 29 18 82 55 27 30.32 30.26 30.21 10 10 10 9 3 10 0.00  
20 60 49 37 41 36 30 79 62 44 30.22 30.10 30.00 10 10 10 30 13 39 0.00  
21 58 55 52 52 47 40 93 74 55 29.99 29.91 29.86 10 8 2 35 17 43 0.32 Rain
22 59 55 50 52 47 44 96 79 62 30.08 29.95 29.84 10 8 4 32 15 52 0.57 Rain
Comma Delimited File