Climatological Report (Monthly)
Issued by NWS

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637
CXUS56 KMTR 010826
CLMHWD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT THU MAY 01 2025

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

...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 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             95   MM
 LOW              37   04/04/2023
HIGHEST           80   04/13                   79  04/10
LOWEST            43   04/02                   42  04/05
                                                   04/06
AVG. MAXIMUM    69.6                         68.3
AVG. MINIMUM    51.8                         50.5
MEAN            60.7                         59.4
DAYS MAX >= 90     0                            0
DAYS MAX <= 32     0                            0
DAYS MIN <= 32     0                            0
DAYS MIN <= 0      0                            0

PRECIPITATION (INCHES)
TOTALS          0.11               1.20      1.54
DAILY AVG.      0.01                         0.05
DAYS >= .01        1                            3
DAYS >= .10        1                            2
DAYS >= .50        0                            2


DEGREE DAYS
HEATING TOTAL     80                          165
 SINCE 7/1      1570                           MM
COOLING TOTAL      0                            3
 SINCE 1/1         9                           MM
.........................................................

WIND (MPH)
AVERAGE WIND SPEED              7.5
RESULTANT WIND SPEED/DIRECTION   6/280
HIGHEST WIND SPEED/DIRECTION    25/280    DATE  04/01
HIGHEST GUST SPEED/DIRECTION    35/280    DATE  04/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.29
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     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                      3

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

$$