Climatological Report (Daily)
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000
CDUS46 KMTR 210845
CLISJC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
145 AM PDT THU SEP 21 2017


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

...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 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         76    222 PM 100    1939  80     -4       81
  MINIMUM         57    425 AM  40    1895  57      0       61
  AVERAGE         67                        68     -1       71

PRECIPITATION (IN)
  YESTERDAY        0.00          T    2008   0.01  -0.01     0.00
  MONTH TO DATE    0.04                      0.09  -0.05      T
  SINCE OCT 1     18.46                     15.73   2.73    14.91
  SINCE JAN 1     14.08                     10.64   3.44    10.21

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

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1      0                         0      0        0
  SINCE JUL 1      0                         6     -6        0

 COOLING
  YESTERDAY        2                         4     -2        6
  MONTH TO DATE  219                        87    132       89
  SINCE SEP 1    219                        87    132       89
  SINCE JAN 1    864                       570    294      610
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   W (290)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     6.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           800 AM
 LOWEST     54           100 PM
 AVERAGE    72

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


THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80       101      1939
 MINIMUM TEMPERATURE (F)   56        39      1893


SUNRISE AND SUNSET
SEPTEMBER 21 2017.....SUNRISE   655 AM PDT   SUNSET   706 PM PDT
SEPTEMBER 22 2017.....SUNRISE   656 AM PDT   SUNSET   704 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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