Climatological Report (Daily)
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065
CDUS46 KMTR 300838
CLISJC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
138 AM PDT WED SEP 30 2026

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

...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         87   2:22 PM  96    1997  79      8       77
  MINIMUM         53   6:08 AM  42    1905  56     -3       66
                                      1907
  AVERAGE         70                        68      2       72

PRECIPITATION (IN)
  YESTERDAY        0.00          0.66 1894   0.00   0.00     0.00
  MONTH TO DATE    0.06                      0.06   0.00     0.44
  SINCE OCT 1     12.79                     13.47  -0.68     9.75
  SINCE JAN 1      7.43                      9.32  -1.89     6.11

SNOWFALL (IN)
  YESTERDAY       MM             0.0  1947
  MONTH TO DATE    T
  SINCE SEP 1      T
  SINCE JUL 1      T

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    3                         7     -4        0
  SINCE SEP 1      3                         7     -4        0
  SINCE JUL 1      5                        13     -8        1

 COOLING
  YESTERDAY        5                         3      2        7
  MONTH TO DATE  125                       127     -2      205
  SINCE SEP 1    125                       127     -2      205
  SINCE JAN 1    649                       570     79      554
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  NW (320)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     4.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           4:00 AM
 LOWEST     22           3:00 PM
 AVERAGE    54

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


THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        95      2001
                                             2024
 MINIMUM TEMPERATURE (F)   56        35      1893


SUNRISE AND SUNSET
SEPTEMBER 30 2026.....SUNRISE   7:02 AM PDT   SUNSET   6:52 PM PDT
OCTOBER  1 2026.......SUNRISE   7:03 AM PDT   SUNSET   6:51 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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