Climatological Report (Monthly)
Issued by NWS

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000
CXUS56 KMTR 010900
CLMSJC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
200 AM PDT SUN OCT 01 2023

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

...THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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            109   09/06/2022
 LOW              35   09/23/1903
                       09/30/1893
HIGHEST           87   09/08                         109  09/06
LOWEST            53   09/28                          54  09/17
AVG. MAXIMUM    80.2               80.7    -0.5     84.4
AVG. MINIMUM    58.8               57.2     1.6     61.2
MEAN            69.5                                72.8
DAYS MAX >= 90     0                                   8
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
TOTALS          0.08               0.07    0.01     0.51
DAILY AVG.      0.00               0.00   -0.00     0.02
DAYS >= .01        1                                   1
DAYS >= .10        0                                   1
DAYS >= .50        0                                   1
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.08   09/30 TO 09/30               0.51  09/18 TO 09/18


DEGREE DAYS
HEATING TOTAL      1                 12     -11        0
 SINCE 7/1         8                 14      -6       MM
COOLING TOTAL    140                130      10      237
 SINCE 1/1       656                573      83       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.5
RESULTANT WIND SPEED/DIRECTION   3/330
HIGHEST WIND SPEED/DIRECTION    22/340    DATE  09/04
HIGHEST GUST SPEED/DIRECTION    28/340    DATE  09/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.31
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                1     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                      9

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

$$


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