Climatological Report (Daily)
Issued by NWS

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640
CDUS46 KMTR 170832
CLIHWD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
132 AM PDT THU JUL 17 2025

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

...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR JULY 16 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         69   3:22 PM  91    2017  75     -6       74
  MINIMUM         59   8:27 PM  54    2009  58      1       61
  AVERAGE         64                        66     -2       68

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        1                                         0
  MONTH TO DATE   19                                         0
  SINCE JUN 1     98                                        23
  SINCE JUL 1     19                                         0

 COOLING
  YESTERDAY        0                                         3
  MONTH TO DATE    8                                       132
  SINCE JUN 1     25                                       202
  SINCE JAN 1     73                                       233
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   W (290)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    11.6


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    87           1:00 AM
 LOWEST     57           3:00 PM
 AVERAGE    72

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


THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        94      2006
 MINIMUM TEMPERATURE (F)   58        54      2009


SUNRISE AND SUNSET
JULY 17 2025..........SUNRISE   6:01 AM PDT   SUNSET   8:28 PM PDT
JULY 18 2025..........SUNRISE   6:01 AM PDT   SUNSET   8:28 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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