921
CXUS56 KMTR 010839
CLMHWD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1239 AM PST WED JAN 01 2025

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

...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2024

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

.........................................................
TEMPERATURE (F)
RECORD
 HIGH             76   12/07/2020
                       12/07/2020
 LOW                   12/23/2013
HIGHEST           69   12/02                   71  12/28
                       12/09
                       12/23
LOWEST            40   12/09                   39  12/09
                       12/19
                       12/31
AVG. MAXIMUM    62.9                         62.6
AVG. MINIMUM    47.0                         46.5
MEAN            55.0                         54.6
DAYS MAX >= 90     0                            0
DAYS MAX <= 32     0                            0
DAYS MIN <= 32     0                            0
DAYS MIN <= 0      0                            0

PRECIPITATION (INCHES)
TOTALS          4.88               3.20      3.72
DAILY AVG.      0.16                         0.12
DAYS >= .01       12                           10
DAYS >= .10        9                            7
DAYS >= .50        4                            3


DEGREE DAYS
HEATING TOTAL    302                          317
 SINCE 7/1       585                           MM
COOLING TOTAL      0                            0
 SINCE 1/1       713                           MM
.........................................................

WIND (MPH)
AVERAGE WIND SPEED              5.3
RESULTANT WIND SPEED/DIRECTION   1/120
HIGHEST WIND SPEED/DIRECTION    32/290    DATE  12/14
                                32/280          12/24
HIGHEST GUST SPEED/DIRECTION    53/290    DATE  12/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.33
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       7
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      2
HAZE                     17

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

$$