Climatological Report (Daily)
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000
CDUS46 KMTR 150826
CLISJC


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


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

...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR DECEMBER 14 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         69    404 PM  73    1958  58     11       63
  MINIMUM         39    519 AM  26    1972  42     -3       55
  AVERAGE         54                        50      4       59

PRECIPITATION (IN)
  YESTERDAY        0.00          1.42 1915   0.08  -0.08      T
  MONTH TO DATE    T                         1.06  -1.06     0.48
  SINCE OCT 1      1.50                      3.54  -2.04     3.35
  SINCE JAN 1     15.58                     14.27   1.31    13.56

SNOWFALL (IN)
  YESTERDAY       MM                         0.0   MM        0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE DEC 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0

DEGREE DAYS
 HEATING
  YESTERDAY       11                        15     -4        6
  MONTH TO DATE  166                       203    -37      152
  SINCE DEC 1    166                       203    -37      152
  SINCE JUL 1    383                       610   -227      375

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    992                       637    355      706
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   0   RESULTANT WIND DIRECTION   S (160)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     2.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           600 AM
 LOWEST     28           300 PM
 AVERAGE    57

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


THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        68      1998
 MINIMUM TEMPERATURE (F)   42        29      1901


SUNRISE AND SUNSET
DECEMBER 15 2017......SUNRISE   715 AM PST   SUNSET   451 PM PST
DECEMBER 16 2017......SUNRISE   716 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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