Climatological Report (Daily)
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000
CDUS46 KMTR 220852
CLISJC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
151 AM PDT FRI SEP 22 2017


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

...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 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         72    217 PM 101    1939  80     -8       76
  MINIMUM         54   1130 PM  39    1893  56     -2       58
  AVERAGE         63                        68     -5       67

PRECIPITATION (IN)
  YESTERDAY        0.00          0.66 2013   0.01  -0.01     0.00
  MONTH TO DATE    0.04                      0.10  -0.06      T
  SINCE OCT 1     18.46                     15.74   2.72    14.91
  SINCE JAN 1     14.08                     10.65   3.43    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        2                         1      1        0
  MONTH TO DATE    2                         1      1        0
  SINCE SEP 1      2                         1      1        0
  SINCE JUL 1      2                         7     -5        0

 COOLING
  YESTERDAY        0                         3     -3        2
  MONTH TO DATE  219                        90    129       91
  SINCE SEP 1    219                        90    129       91
  SINCE JAN 1    864                       573    291      612
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   W (280)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     9.5


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    72           300 AM
 LOWEST     40           100 PM
 AVERAGE    56

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


THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79       101      1939
 MINIMUM TEMPERATURE (F)   56        36      1895


SUNRISE AND SUNSET
SEPTEMBER 22 2017.....SUNRISE   656 AM PDT   SUNSET   704 PM PDT
SEPTEMBER 23 2017.....SUNRISE   657 AM PDT   SUNSET   702 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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