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000
CXUS56 KMTR 010853
CLMSJC

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

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

...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             79   12/12/1958
 LOW              19   12/23/1990
                       12/22/1990
HIGHEST           72   12/28                          64  12/30
LOWEST            37   12/10                          51  12/31
AVG. MAXIMUM    64.8               59.5     5.3     63.0
AVG. MINIMUM    46.4               41.7     4.7     55.5
MEAN            55.6                                59.3
DAYS MAX >= 90     0                                   0
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
TOTALS          2.76               2.29    0.47     4.70
DAILY AVG.      0.09               0.07    0.02     0.15
DAYS >= .01       10                                  MM
DAYS >= .10        6                                  MM
DAYS >= .50        2                                  MM
DAYS >= 1.00       0                                  MM
GREATEST
 24 HR. TOTAL   0.96   12/29 TO 12/30               0.52  12/31 TO 12/31


DEGREE DAYS
HEATING TOTAL    284                446    -162        3
 SINCE 7/1       477                814    -337       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1       808                624     184       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.3
RESULTANT WIND SPEED/DIRECTION   1/150
HIGHEST WIND SPEED/DIRECTION    25/090    DATE  12/17
HIGHEST GUST SPEED/DIRECTION    33/090    DATE  12/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.54
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             16
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       5
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      0
HAZE                     15

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

$$