Half Moon Bay, CA

12:31 PM PDT on September 20, 2017 (GMT -0700)
Half Moon Bay

Weather History for KHAF - January, 2013

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Week of December 30, 2012 through January 5, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 59 °F 55 °F 51 °F
Mean Temperature 48 °F 46 °F 44 °F
Min Temperature 39 °F 36 °F 33 °F
Degree Days  
Heating Degree Days (base 65) 21 19 17 136
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 50 °F 37 °F 25 °F
Precipitation  
Precipitation 0.08 in 0.01 in 0.00 in 0.10 in
Snowdepth - - - -
Wind  
Wind 20 mph 4 mph 0 mph
Gust Wind 28 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.30 in 30.20 in 30.06 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Jan. 04, 2013 Rise Set
Actual Time 7:25 AM PST 5:05 PM PST
Civil Twilight 6:56 AM PST 5:34 PM PST
Nautical Twilight 6:23 AM PST 6:07 PM PST
Astronomical Twilight 5:51 AM PST 6:38 PM PST
Moon No Moon Rise 11:20 AM PST (1/4)
Length of Visible Light 10h 38m
Length of Day
9h 40m
Waning Gibbous, 54% of the Moon is Illuminated
Jan 4
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

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  
30 53 45 35 45 40 32 100 86 58 30.19 30.10 30.06 10 9 4 14 2 - 0.00  
31 53 44 35 41 33 25 93 64 35 30.30 30.25 30.20 10 10 10 14 4 - 0.00  
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  
1 51 44 37 43 35 27 93 68 38 30.26 30.23 30.21 10 10 2 20 6 25 0.02 Rain
2 59 48 37 37 31 25 81 52 31 30.22 30.18 30.13 10 10 9 9 3 - 0.00  
3 57 45 33 43 35 27 87 70 51 30.26 30.21 30.15 10 9 3 10 3 - 0.00  
4 55 46 37 43 37 32 93 72 47 30.27 30.23 30.19 10 9 5 8 2 - 0.00  
5 55 47 39 50 45 36 100 85 67 30.26 30.18 30.08 10 8 1 20 8 28 0.08 Rain