Climatological Report (Daily)
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945
CDUS46 KMTR 010838
CLIHWD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
138 AM PDT WED OCT 01 2025

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

...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 30 2025...

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)
 YESTERDAY
  MAXIMUM         77  12:00 PM  92    2024  76      1       92
  MINIMUM         63   3:42 AM  49    2009  56      7       56
  AVERAGE         70                        66      4       74

PRECIPITATION (IN)
  YESTERDAY        T                                         0.00
  MONTH TO DATE    0.12                                       T
  SINCE OCT 1     14.76                                     21.86
  SINCE JAN 1      7.55                                     17.00

DEGREE DAYS
 HEATING
  YESTERDAY        0                                         0
  MONTH TO DATE    1                                         2
  SINCE SEP 1      1                                         2
  SINCE JUL 1     41                                        12

 COOLING
  YESTERDAY        5                                         9
  MONTH TO DATE  120                                       131
  SINCE SEP 1    120                                       131
  SINCE JAN 1    276                                       568
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     7.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           3:00 AM
 LOWEST     48          12:00 PM
 AVERAGE    68

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


THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76       100      2024
 MINIMUM TEMPERATURE (F)   56        47      2019


SUNRISE AND SUNSET
OCTOBER  1 2025.......SUNRISE   7:04 AM PDT   SUNSET   6:51 PM PDT
OCTOBER  2 2025.......SUNRISE   7:05 AM PDT   SUNSET   6:49 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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