978
CXUS56 KSGX 011249
CLMSNA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
449 AM PST WED JAN 01 2025

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

...THE JOHN WAYNE AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1999 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             90   12/12/2010
 LOW              36   12/31/2010
                       12/28/2003
                       12/27/2003
HIGHEST           80   12/18         67      13       79  12/05
                                                          12/16
LOWEST            45   12/11         47      -2       46  12/10
                       12/12
AVG. MAXIMUM    67.5               66.5     1.0     70.1
AVG. MINIMUM    50.4               48.3     2.1     52.5
MEAN            58.9               57.4     1.5     61.3
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MAX >= 45    31                                  31
DAYS MIN <= 32     0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.17   2010
 MINIMUM           T   2024
TOTALS             TR              2.04   -2.04     0.11
DAILY AVG.         T               0.07   -0.07     0.05
DAYS >= .01        0                6.9    -6.9        1
DAYS >= .10        0                3.4    -3.4        1
DAYS >= .50        0                1.2    -1.2        0
DAYS >= 1.00       0                0.6    -0.6        0
DAYS >= %-5.2F     0                                   0
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL      T   12/24 TO 12/24               0.11  12/31 TO 12/31
                       12/12 TO 12/12
                       12/24 TO 12/24
 STORM TOTAL    0.00                                0.50
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL    182                238     -56      110
 SINCE 7/1       295                363     -68       MM
COOLING TOTAL      1                  3      -2        3
 SINCE 1/1      1072               1076      -4       MM

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

WIND (MPH)
AVERAGE WIND SPEED              2.7
RESULTANT WIND SPEED/DIRECTION   1/190
HIGHEST WIND SPEED/DIRECTION    22/060    DATE  12/10
HIGHEST GUST SPEED/DIRECTION    31/050    DATE  12/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR            8
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                2     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      6
HAZE                     18

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

$$