Climatological Report (Monthly)
Issued by NWS

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833
CXUS56 KMTR 010833
CLMHWD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1233 AM PST SUN FEB 01 2026

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

...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2026...

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

WEATHER         OBSERVED          NORMAL    LAST YEAR`S
                VALUE   DATE(S)   VALUE     VALUE DATE(S)

.........................................................
TEMPERATURE (F)
RECORD
 HIGH             79   MM
 LOW              30   01/17/2012
HIGHEST           70   01/16                   71  01/11
LOWEST            35   01/10                   37  01/27
AVG. MAXIMUM    62.0                         62.3
AVG. MINIMUM    44.1                         42.9
MEAN            53.1                         52.6
DAYS MAX >= 90     0                            0
DAYS MAX <= 32     0                            0
DAYS MIN <= 32     0                            0
DAYS MIN <= 0      0                            0

PRECIPITATION (INCHES)
TOTALS          3.06               2.91      0.18
DAILY AVG.      0.10                         0.01
DAYS >= .01        6                            1
DAYS >= .10        3                            1
DAYS >= .50        3                            0


DEGREE DAYS
HEATING TOTAL    361                          378
 SINCE 7/1      1088                           MM
COOLING TOTAL      0                            0
 SINCE 1/1         0                           MM
.........................................................

WIND (MPH)
AVERAGE WIND SPEED              5.1
RESULTANT WIND SPEED/DIRECTION   1/100
HIGHEST WIND SPEED/DIRECTION    22/160    DATE  01/05
                                22/310          01/08
HIGHEST GUST SPEED/DIRECTION    30/160    DATE  01/02
                                30/150          01/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.22
NUMBER OF DAYS FAIR           22
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       3
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      1
HAZE                     10

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$