Weather History for Livermore, CA

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Week of December 16, 2012 through December 22, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 59 °F 56 °F 51 °F
Mean Temperature 52 °F 47 °F 40 °F
Min Temperature 48 °F 38 °F 29 °F
Degree Days  
Heating Degree Days (base 65) 25 18 13 127
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 2 0 0 2
Dew Point  
Dew Point 53 °F 38 °F 23 °F
Precipitation  
Precipitation 0.62 in 0.15 in 0.00 in 0.90 in
Snowdepth - - - -
Wind  
Wind 22 mph 6 mph 0 mph
Gust Wind 31 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.32 in 30.05 in 29.83 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Dec. 17, 2012 Rise Set
Actual Time 7:16 AM PST 4:50 PM PST
Civil Twilight 6:47 AM PST 5:19 PM PST
Nautical Twilight 6:14 AM PST 5:52 PM PST
Astronomical Twilight 5:42 AM PST 6:24 PM PST
Moon 10:33 AM PST (12/17) 10:12 PM PST (12/17)
Length of Visible Light 10h 32m
Length of Day
9h 33m
Waxing Crescent, 26% of the Moon is Illuminated
Dec 17
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

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  
16 57 50 43 51 45 41 100 86 72 30.12 30.06 30.03 10 8 0 15 3 21 T Fog
17 57 50 43 53 48 40 93 84 74 30.06 30.01 29.96 10 9 3 18 9 23 0.07 Rain
18 52 43 33 41 32 28 96 69 41 30.19 30.06 29.99 10 10 10 18 5 26 0.00  
19 51 40 29 30 28 26 92 65 38 30.32 30.26 30.20 10 10 10 10 2 13 0.00  
20 58 44 29 31 27 23 85 58 30 30.23 30.11 30.01 10 10 10 15 5 21 0.00  
21 59 49 38 52 43 33 96 73 50 29.99 29.92 29.88 10 9 4 22 8 31 0.21 Rain
22 56 52 48 50 46 43 93 80 66 30.10 29.95 29.83 10 8 2 20 9 28 0.62 Rain