Climatological Report (Daily)
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000
CDUS46 KMTR 110826
CLISJC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1226 AM PST MON DEC 11 2017


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

...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR DECEMBER 10 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         70R   317 PM  69    1940  58     12       64
  MINIMUM         36    649 AM  24    1972  42     -6       54
  AVERAGE         53                        50      3       59

PRECIPITATION (IN)
  YESTERDAY        0.00          1.26 1937   0.08  -0.08     0.43
  MONTH TO DATE    T                         0.75  -0.75     0.48
  SINCE OCT 1      1.50                      3.23  -1.73     3.35
  SINCE JAN 1     15.58                     13.96   1.62    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       12                        15     -3        6
  MONTH TO DATE  116                       143    -27      112
  SINCE DEC 1    116                       143    -27      112
  SINCE JUL 1    333                       550   -217      335

 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  SE (120)
  HIGHEST WIND SPEED     7   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED     9   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     2.4


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    79           800 AM
 LOWEST     23           300 PM
 AVERAGE    51

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


THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        74      1958
 MINIMUM TEMPERATURE (F)   42        23      1972


SUNRISE AND SUNSET
DECEMBER 11 2017......SUNRISE   712 AM PST   SUNSET   450 PM PST
DECEMBER 12 2017......SUNRISE   713 AM PST   SUNSET   450 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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