Climatological Report (Daily)
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000
CDUS46 KMTR 140827
CLISJC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1227 AM PST THU DEC 14 2017


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

...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR DECEMBER 13 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         65    226 PM  70    1958  58      7       61
  MINIMUM         35    735 AM  27    1940  42     -7       50
  AVERAGE         50                        50      0       56

PRECIPITATION (IN)
  YESTERDAY        0.00          0.87 1934   0.08  -0.08      T
  MONTH TO DATE    T                         0.98  -0.98     0.48
  SINCE OCT 1      1.50                      3.46  -1.96     3.35
  SINCE JAN 1     15.58                     14.19   1.39    13.56

SNOWFALL (IN)
  YESTERDAY        0.0                       0.0    0.0      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       15                        15      0        9
  MONTH TO DATE  155                       188    -33      146
  SINCE DEC 1    155                       188    -33      146
  SINCE JUL 1    372                       595   -223      369

 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   1   RESULTANT WIND DIRECTION   N (340)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     2.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79           300 AM
 LOWEST     34           200 PM
 AVERAGE    57

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


THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        73      1958
 MINIMUM TEMPERATURE (F)   42        26      1972


SUNRISE AND SUNSET
DECEMBER 14 2017......SUNRISE   714 AM PST   SUNSET   451 PM PST
DECEMBER 15 2017......SUNRISE   715 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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