Climatological Report (Daily)
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501
CDUS46 KMTR 050031
CLIHWD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
531 PM PDT SAT OCT 04 2025

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

...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR OCTOBER 4 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         74        MM  92    2014  76     -2       89
  MINIMUM         55        MM  47    2009  56     -1       60
  AVERAGE         65                        66     -1       75

PRECIPITATION (IN)
  TODAY            0.00                                      0.00
  MONTH TO DATE    0.51                                      0.00
  SINCE OCT 1      0.51                                      0.00
  SINCE JAN 1      8.06                                     17.00

DEGREE DAYS
 HEATING
  TODAY            0                                         0
  MONTH TO DATE    1                                         0
  SINCE SEP 1      2                                         2
  SINCE JUL 1     42                                        12

 COOLING
  TODAY            0                                        10
  MONTH TO DATE    5                                        62
  SINCE SEP 1    125                                       193
  SINCE JAN 1    281                                       630
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   W (290)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED     5.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           4:00 AM
 LOWEST     53           1:00 PM
 AVERAGE    72

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


THE HAYWARD AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        98      2024
 MINIMUM TEMPERATURE (F)   56        46      2009


SUNRISE AND SUNSET
OCTOBER  4 2025.......SUNRISE   7:07 AM PDT   SUNSET   6:46 PM PDT
OCTOBER  5 2025.......SUNRISE   7:08 AM PDT   SUNSET   6:45 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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