Climatological Report (Monthly)
Issued by NWS

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175
CXUS56 KMTR 010836
CLMHWD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
136 AM PDT SUN JUN 01 2025

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

...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025

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

.........................................................
TEMPERATURE (F)
RECORD
 HIGH             99   MM
 LOW              41   05/11/2022
HIGHEST           92   05/30                   87  05/09
LOWEST            51   05/04                   46  05/06
AVG. MAXIMUM    73.2                         72.4
AVG. MINIMUM    55.0                         53.6
MEAN            64.1                         63.0
DAYS MAX >= 90     1                            0
DAYS MAX <= 32     0                            0
DAYS MIN <= 32     0                            0
DAYS MIN <= 0      0                            0

PRECIPITATION (INCHES)
TOTALS          0.26               0.58      0.90
DAILY AVG.      0.01                         0.03
DAYS >= .01        2                            1
DAYS >= .10        1                            1
DAYS >= .50        0                            1


DEGREE DAYS
HEATING TOTAL     60                           83
 SINCE 7/1      1685                           MM
COOLING TOTAL     39                           28
 SINCE 1/1        48                           MM
.........................................................

WIND (MPH)
AVERAGE WIND SPEED              8.4
RESULTANT WIND SPEED/DIRECTION   7/270
HIGHEST WIND SPEED/DIRECTION    25/360    DATE  05/05
                                25/270          05/17
HIGHEST GUST SPEED/DIRECTION    37/360    DATE  05/05
                                37/280          05/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.32
NUMBER OF DAYS FAIR           17
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       0
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       1     FOG W/VIS <= 1/4 MILE      0
HAZE                      6

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

$$