Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 180831
CLIHWD


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1231 AM PST MON DEC 18 2017


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

...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 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         68R   109 PM  66    1998  57     11       52
  MINIMUM         46   1155 PM  34    2016  42      4       34
                                      2008
  AVERAGE         57                        50      7       43

PRECIPITATION (IN)
  YESTERDAY        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
  YESTERDAY        8                                        22
  MONTH TO DATE  208                                       209
  SINCE DEC 1    208                                       209
  SINCE JUL 1    513                                       512

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


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION  NE (50)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED     4.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    42          1000 PM
 LOWEST     14           100 PM
 AVERAGE    28

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


THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        65      2009
 MINIMUM TEMPERATURE (F)   42        32      2016


SUNRISE AND SUNSET
DECEMBER 18 2017......SUNRISE   718 AM PST   SUNSET   452 PM PST
DECEMBER 19 2017......SUNRISE   719 AM PST   SUNSET   453 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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