Weather History for Palo Alto, CA

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Week of December 9, 2012 through December 15, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 69 °F 58 °F 50 °F
Mean Temperature 56 °F 49 °F 44 °F
Min Temperature 44 °F 40 °F 35 °F
Degree Days  
Heating Degree Days (base 65) 22 16 8 112
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 6 1 0 10
Dew Point  
Dew Point 61 °F 44 °F 36 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 15 mph 6 mph 0 mph
Gust Wind 22 mph 21 mph 20 mph
Sea Level Pressure  
Sea Level Pressure 30.23 in 30.00 in 29.84 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Dec. 11, 2012 Rise Set
Actual Time 7:13 AM PST 4:50 PM PST
Civil Twilight 6:44 AM PST 5:19 PM PST
Nautical Twilight 6:11 AM PST 5:52 PM PST
Astronomical Twilight 5:39 AM PST 6:24 PM PST
Moon 5:15 AM PST (12/11) 3:33 PM PST (12/11)
Length of Visible Light 10h 35m
Length of Day
9h 37m
Waning Crescent, 4% of the Moon is Illuminated
Dec 11
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Daily Weather History & 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  
9 66 54 41 61 46 39 93 68 40 30.18 30.14 30.11 20 19 15 9 5 - 0.00  
10 69 56 44 50 45 41 93 63 38 30.23 30.17 30.12 20 20 20 8 4 - 0.00  
11 59 49 39 54 47 37 100 83 62 30.05 29.96 29.87 20 14 10 15 7 22 0.00  
12 55 50 44 46 44 41 87 77 63 29.92 29.88 29.87 20 16 8 13 6 21 0.00 Rain
13 53 44 35 43 40 36 100 80 67 29.93 29.89 29.86 20 15 10 12 4 - 0.00  
14 51 46 41 45 41 37 93 78 67 30.00 29.92 29.84 20 12 10 10 7 - 0.00 Rain
15 50 44 37 46 42 36 93 86 76 30.09 30.04 30.00 10 9 5 12 9 - 0.00 Rain