Weather History for Half Moon Bay, CA

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Week of January 6, 2013 through January 12, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 60 °F 53 °F 50 °F
Mean Temperature 50 °F 47 °F 42 °F
Min Temperature 44 °F 41 °F 35 °F
Degree Days  
Heating Degree Days (base 65) 22 18 14 126
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 52 °F 41 °F 23 °F
Precipitation  
Precipitation 0.04 in 0.01 in 0.00 in 0.05 in
Snowdepth - - - -
Wind  
Wind 26 mph 9 mph 0 mph
Gust Wind 36 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.27 in 30.17 in 30.04 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Jan. 12, 2013 Rise Set
Actual Time 7:24 AM PST 5:13 PM PST
Civil Twilight 6:55 AM PST 5:41 PM PST
Nautical Twilight 6:23 AM PST 6:13 PM PST
Astronomical Twilight 5:51 AM PST 6:45 PM PST
Moon 7:49 AM PST (1/12) 6:45 PM PST (1/12)
Length of Visible Light 10h 46m
Length of Day
9h 48m
New Moon, 2% of the Moon is Illuminated
Jan 12
New Moon
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 9
New

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
6 53 48 42 46 44 41 93 84 62 30.21 30.15 30.04 10 8 3 17 7 25 0.01 Rain
7 55 48 41 52 46 39 100 89 77 30.27 30.21 30.18 10 7 2 14 6 18 0.00  
8 60 50 41 50 47 41 100 89 63 30.23 30.18 30.13 10 5 0 16 3 21 0.00 Fog
9 53 47 41 50 43 37 100 86 66 30.14 30.10 30.04 10 7 1 24 7 36 0.04 Rain
10 50 47 44 37 37 32 76 67 57 30.22 30.14 30.10 10 10 6 26 17 36 0.00 Rain
11 50 46 42 41 37 32 81 68 57 30.27 30.20 30.15 10 10 8 24 16 32 0.00  
12 50 42 35 36 31 23 87 65 37 30.26 30.20 30.16 10 10 9 13 4 - 0.00 Rain