850
CXUS56 KSGX 020927
CLMSNA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
227 AM PDT FRI OCT 02 2026

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

...THE JOHN WAYNE AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1999 TO 2026

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          102   09/09         78      24       87  09/16
LOWEST            64   09/29         63       1       65  09/22
                                                          09/25
                                                          09/29
AVG. MAXIMUM    81.9               79.9     2.0     80.0
AVG. MINIMUM    69.2               65.0     4.2     67.0
MEAN            75.6               72.5     3.1     73.5
DAYS MAX >= 90     3                3.6    -0.6        0
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          0.31               0.10    0.21        T
DAILY AVG.      0.01               0.00    0.01        T
DAYS >= .01        1                0.6     0.4        0
DAYS >= .10        1                0.2     0.8        0
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   0.31   09/06 TO 09/06                  T  09/21 TO 09/21
                                                          09/26 TO 09/26
                                                          09/27 TO 09/27
 STORM TOTAL    0.31                                0.00
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL      0                  1      -1        0
 SINCE 7/1         0                  0       0       MM
COOLING TOTAL    322                224      98      261
 SINCE 1/1      1352                930     422       MM

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

WIND (MPH)
AVERAGE WIND SPEED              5.1
RESULTANT WIND SPEED/DIRECTION   3/210
HIGHEST WIND SPEED/DIRECTION    20/220    DATE  09/11
HIGHEST GUST SPEED/DIRECTION    26/220    DATE  09/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.41
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       3     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.

$$