Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 170026
CLIHWD


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
426 PM PST SAT DEC 16 2017


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

...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 16 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         67    112 PM  70    1998  57     10       55
  MINIMUM         41    502 AM  35    2011  42     -1       42
  AVERAGE         54                        50      4       49

PRECIPITATION (IN)
  TODAY            0.00                                      0.00
  MONTH TO DATE    T                                         1.94
  SINCE OCT 1      1.96                                      5.32
  SINCE JAN 1     15.65                                     14.43

DEGREE DAYS
 HEATING
  TODAY           11                                        16
  MONTH TO DATE  200                                       187
  SINCE DEC 1    200                                       187
  SINCE JUL 1    505                                       490

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


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   N (340)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     9.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           300 AM
 LOWEST     11           300 PM
 AVERAGE    50

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


THE HAYWARD AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        66      1998
 MINIMUM TEMPERATURE (F)   42        34      2016
                                             2008


SUNRISE AND SUNSET
DECEMBER 16 2017......SUNRISE   717 AM PST   SUNSET   451 PM PST
DECEMBER 17 2017......SUNRISE   718 AM PST   SUNSET   452 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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