Climatological Report (Daily)
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CDUS46 KMTR 150826
CLIHWD


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1226 AM PST FRI DEC 15 2017


...................................

...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 14 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         73R   338 PM  64    2016  57     16       64
                                      2014
  MINIMUM         39    649 AM  35    2007  43     -4       54
  AVERAGE         56                        50      6       59

PRECIPITATION (IN)
  YESTERDAY        0.00                                       T
  MONTH TO DATE    T                                         1.08
  SINCE OCT 1      1.96                                      4.46
  SINCE JAN 1     15.65                                     13.57

DEGREE DAYS
 HEATING
  YESTERDAY        9                                         6
  MONTH TO DATE  174                                       164
  SINCE DEC 1    174                                       164
  SINCE JUL 1    479                                       467

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE    0                                         0
  SINCE DEC 1      0                                         0
  SINCE JAN 1    602                                       357
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  NE (40)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED     3.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    70           700 AM
 LOWEST     15           300 PM
 AVERAGE    43

..........................................................


THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        68      1998
 MINIMUM TEMPERATURE (F)   42        35      2015
                                             2013


SUNRISE AND SUNSET
DECEMBER 15 2017......SUNRISE   716 AM PST   SUNSET   451 PM PST
DECEMBER 16 2017......SUNRISE   717 AM PST   SUNSET   451 PM PST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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