Climatological Report (Monthly)
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000
CXUS56 KSGX 011025
CLMSNA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
325 AM PDT SUN OCT 01 2023

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

...THE JOHN WAYNE AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1999 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            110   09/27/2010
 LOW              56   09/21/2007
HIGHEST           91   09/08         78      13      106  09/04
LOWEST            61   09/26         63      -2       64  09/22
                       09/27
AVG. MAXIMUM    78.1               79.9    -1.8     87.4
AVG. MINIMUM    66.2               65.0     1.2     71.5
MEAN            72.2               72.5    -0.3     79.4
DAYS MAX >= 90     1                3.6    -2.6        8
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MAX >= 45    30                                  30
DAYS MIN <= 32     0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        1.78   2015
 MINIMUM        0.00   2018
TOTALS             T               0.10   -0.10     0.26
DAILY AVG.         T               0.00   -0.00     0.01
DAYS >= .01        0                0.6    -0.6        2
DAYS >= .10        0                0.2    -0.2        1
DAYS >= .50        0                0.0     0.0        0
DAYS >= 1.00       0                0.0     0.0        0
DAYS >= %-5.2F     0                                   0
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL      T   09/11 TO 09/11               0.18  09/09 TO 09/09
                       09/22 TO 09/22
                       09/30 TO 09/30
 STORM TOTAL    0.00                                0.18
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL      0                  1      -1        0
 SINCE 7/1         0                  0       0       MM
COOLING TOTAL    221                224      -3      442
 SINCE 1/1       883                930     -47       MM

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.7
RESULTANT WIND SPEED/DIRECTION   3/200
HIGHEST WIND SPEED/DIRECTION    20/200    DATE  09/01
HIGHEST GUST SPEED/DIRECTION    24/200    DATE  09/01
                                24/210          09/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.52
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     69

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

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

$$


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