Climatological Report (Daily)
Issued by NWS

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891
CDUS46 KMTR 210845
CLISJC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1245 AM PST SAT JAN 21 2017


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

...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR JANUARY 20 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         55    141 PM  72    2009  58     -3       67
  MINIMUM         45   1128 PM  27    1937  42      3       48
  AVERAGE         50                        50      0       58

PRECIPITATION (IN)
  YESTERDAY        0.89          1.29 2010   0.10   0.79     0.00
  MONTH TO DATE    4.68                      1.99   2.69     3.43
  SINCE OCT 1      9.06                      7.08   1.98     8.13
  SINCE JAN 1      4.68                      1.99   2.69     3.43

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       15                        15      0        7
  MONTH TO DATE  294                       308    -14      233
  SINCE DEC 1    738                       775    -37      689
  SINCE JUL 1    961                      1182   -221     1054

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


WIND (MPH)
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION  SE (120)
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    40   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED    10.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           600 AM
 LOWEST     61           100 PM
 AVERAGE    77

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


THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        71      1950
 MINIMUM TEMPERATURE (F)   42        24      1937


SUNRISE AND SUNSET
JANUARY 21 2017.......SUNRISE   718 AM PST   SUNSET   521 PM PST
JANUARY 22 2017.......SUNRISE   718 AM PST   SUNSET   522 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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