Climatological Report (Monthly)
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000
CXUS56 KSGX 011014
CLMFUL

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
214 AM PST MON JAN 01 2024

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

...THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2023

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           85   12/05         70      15       83  12/25
LOWEST            44   12/11         46      -2       39  12/14
                                                          12/19
AVG. MAXIMUM    71.7               68.1     3.6     67.3
AVG. MINIMUM    49.8               45.6     4.2     46.9
MEAN            60.8               56.9     3.9     57.1
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        0.02   1990
TOTALS          1.46               1.86   -0.40     0.93
DAILY AVG.      0.05               0.06   -0.01     0.07
DAYS >= .01        5                6.3    -1.3        4
DAYS >= .10        3                3.3    -0.3        2
DAYS >= .50        1                1.5    -0.5        0
DAYS >= 1.00       0                0.4    -0.4        0
DAYS >= %-5.2F     0                                   0
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL   0.80   12/19 TO 12/20               0.41  12/31 TO 12/31
 STORM TOTAL    0.79                                1.03
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL    128                254    -126      238
 SINCE 7/1       172                382    -210       MM
COOLING TOTAL      3                  2       1        2
 SINCE 1/1      1336               1508    -172       MM

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

WIND (MPH)
AVERAGE WIND SPEED              2.7
RESULTANT WIND SPEED/DIRECTION   2/100
HIGHEST WIND SPEED/DIRECTION    24/080    DATE  12/09
HIGHEST GUST SPEED/DIRECTION    32/080    DATE  12/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.31
NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       4
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      23     FOG W/VIS <= 1/4 MILE      0
HAZE                     16

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

$$


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