Climatological Report (Daily)
Issued by NWS

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505
CDUS46 KMTR 130828
CLIHWD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
128 AM PDT WED AUG 13 2025

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

...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR AUGUST 12 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         70   2:59 PM  86    2019  76     -6       72
  MINIMUM         59   5:31 AM  55    2002  58      1       60
                                      2010
                                      2012
  AVERAGE         65                        67     -2       66

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                                         1
  MONTH TO DATE   21                                        31
  SINCE JUN 1     50                                       307
  SINCE JAN 1     98                                       338
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   W (290)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED    10.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90          11:00 PM
 LOWEST     65          12:00 PM
 AVERAGE    78

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


THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        94      2020
 MINIMUM TEMPERATURE (F)   58        54      2007


SUNRISE AND SUNSET
AUGUST 13 2025........SUNRISE   6:23 AM PDT   SUNSET   8:03 PM PDT
AUGUST 14 2025........SUNRISE   6:24 AM PDT   SUNSET   8:02 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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