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000
CXUS56 KMTR 010853
CLMHWD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1253 AM PST MON JAN 01 2024

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

...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2023

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           71   12/28                   62  12/04
                                                   12/25
                                                   12/30
LOWEST            39   12/09                    8  12/01
                                                   12/17
                                                   12/18
AVG. MAXIMUM    62.6                         56.6
AVG. MINIMUM    46.5                         41.4
MEAN            54.6                         49.0
DAYS MAX >= 90     0                            0
DAYS MAX <= 32     0                            0
DAYS MIN <= 32     0                            1
DAYS MIN <= 0      0                            0

PRECIPITATION (INCHES)
TOTALS          3.72               3.20     10.53
DAILY AVG.      0.12                         0.34
DAYS >= .01       10                           15
DAYS >= .10        7                            9
DAYS >= .50        3                            6


DEGREE DAYS
HEATING TOTAL    317                          490
 SINCE 7/1       583                           MM
COOLING TOTAL      0                            0
 SINCE 1/1       448                           MM
.........................................................

WIND (MPH)
AVERAGE WIND SPEED              4.8
RESULTANT WIND SPEED/DIRECTION   1/130
HIGHEST WIND SPEED/DIRECTION    23/150    DATE  12/27
HIGHEST GUST SPEED/DIRECTION    33/140    DATE  12/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.36
NUMBER OF DAYS FAIR           17
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       6
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      4
HAZE                      8

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

$$