Climatological Report (Daily)
Issued by NWS

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170
CDUS46 KMTR 170830
CLIHWD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT THU SEP 17 2026

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

...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         68  12:56 PM  82    2014  77     -9       82
                                      2025
  MINIMUM         59   6:37 AM  51    2006  58      1       61
  AVERAGE         64                        67     -3       72

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    0.12                                      0.05
  SINCE OCT 1     20.65                                     14.69
  SINCE JAN 1     11.92                                      7.48

DEGREE DAYS
 HEATING
  YESTERDAY        1                                         0
  MONTH TO DATE    2                                         1
  SINCE SEP 1      2                                         1
  SINCE JUL 1     35                                        41

 COOLING
  YESTERDAY        0                                         7
  MONTH TO DATE   55                                        58
  SINCE SEP 1     55                                        58
  SINCE JAN 1    268                                       214
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   W (260)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED    10.4


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    83           3:00 AM
 LOWEST     61           1:00 PM
 AVERAGE    72

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


THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        91      2000
 MINIMUM TEMPERATURE (F)   58        53      2006


SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE   6:52 AM PDT   SUNSET   7:13 PM PDT
SEPTEMBER 18 2026.....SUNRISE   6:53 AM PDT   SUNSET   7:11 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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