Climatological Report (Daily)
Issued by NWS

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616
CDUS46 KMTR 150829
CLIHWD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT THU MAY 15 2025

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

...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR MAY 14 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         73        MM  91    2014  69      4       73
  MINIMUM         54        MM  47    1999  52      2       54
                                      2011
  AVERAGE         64                        60      4       64

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    0.26                                      0.90
  SINCE OCT 1     14.64                                     21.84
  SINCE JAN 1      7.43                                     16.98

DEGREE DAYS
 HEATING
  YESTERDAY        1                                         1
  MONTH TO DATE   32                                        50
  SINCE MAR 1    427                                       456
  SINCE JUL 1   1657                                      1628

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE   16                                        17
  SINCE MAR 1     25                                        20
  SINCE JAN 1     25                                        20
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   W (270)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     6.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77           3:00 AM
 LOWEST     43           1:00 PM
 AVERAGE    60

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


THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        99      2008
 MINIMUM TEMPERATURE (F)   52        44      1999


SUNRISE AND SUNSET
MAY 15 2025...........SUNRISE   5:59 AM PDT   SUNSET   8:12 PM PDT
MAY 16 2025...........SUNRISE   5:58 AM PDT   SUNSET   8:12 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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