Climatological Report (Daily)
Issued by NWS

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272
CDUS46 KMTR 120830
CLIHWD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT TUE AUG 12 2025

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

...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR AUGUST 11 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         71   2:03 PM  85    2000  76     -5       71
  MINIMUM         59  11:59 PM  53    2012  58      1       58
  AVERAGE         65                        67     -2       65

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    0.00                                      0.00
  SINCE OCT 1     14.64                                     21.84
  SINCE JAN 1      7.43                                     16.98

DEGREE DAYS
 HEATING
  YESTERDAY        0                                         0
  MONTH TO DATE    6                                         6
  SINCE JUN 1    118                                        33
  SINCE JUL 1     39                                        10

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE   21                                        30
  SINCE JUN 1     50                                       306
  SINCE JAN 1     98                                       337
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  NW (300)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     8.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           4:00 AM
 LOWEST     59           2:00 PM
 AVERAGE    75

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


THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        86      2019
 MINIMUM TEMPERATURE (F)   58        55      2002
                                             2010
                                             2012


SUNRISE AND SUNSET
AUGUST 12 2025........SUNRISE   6:22 AM PDT   SUNSET   8:04 PM PDT
AUGUST 13 2025........SUNRISE   6:23 AM PDT   SUNSET   8:03 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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