Climatological Report (Monthly)
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856
CXUS56 KSGX 011249
CLMFUL

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

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

...THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             87   12/10/2017
                       12/09/2017
                       12/12/2010
 LOW              25   12/15/2021
HIGHEST           86   12/18         70      16       85  12/05
LOWEST            42   12/06         46      -4       44  12/11
                       12/07
AVG. MAXIMUM    69.1               68.1     1.0     71.7
AVG. MINIMUM    47.1               45.6     1.5     49.8
MEAN            58.1               56.9     1.2     60.8
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                0.1    -0.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        8.95   2010
 MINIMUM        0.01   2024
TOTALS          0.01R              1.86   -1.85     1.67
DAILY AVG.      0.00               0.06   -0.06     0.05
DAYS >= .01        1                6.3    -5.3        4
DAYS >= .10        0                3.3    -3.3        2
DAYS >= .50        0                1.5    -1.5        1
DAYS >= 1.00       0                0.4    -0.4        0
DAYS >= %-5.2F     0                                   0
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL   0.01   12/24 TO 12/24               0.80  12/19 TO 12/20
 STORM TOTAL    0.01                                0.79
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL    208                254     -46      128
 SINCE 7/1       330                382     -52       MM
COOLING TOTAL      2                  2       0        3
 SINCE 1/1      1398               1508    -110       MM

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST      12/31             12/31
LATEST                          MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              2.3
RESULTANT WIND SPEED/DIRECTION   1/110
HIGHEST WIND SPEED/DIRECTION    25/080    DATE  12/10
HIGHEST GUST SPEED/DIRECTION    38/080    DATE  12/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.28
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     50

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                       9     FOG W/VIS <= 1/4 MILE      2
HAZE                     27

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

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