Climatological Report (Monthly)
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CXUS56 KSGX 011014
CLMTRM

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

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

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

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1950 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             93   12/03/1958
 LOW              14   12/23/1990
HIGHEST           80   12/06         71       9       81  12/24
                       12/16
LOWEST            32   12/10         37      -5       27  12/13
                       12/12
                                                          12/17
AVG. MAXIMUM    71.9               69.3     2.6     67.7
AVG. MINIMUM    39.6               37.7     1.9     36.2
MEAN            55.8               53.5     2.3     52.0
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MAX >= 45    31                                  31
DAYS MAX >= 120    0                                   0
DAYS MIN <= 32     2                8.7    -6.7       10

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        1.75   1965
 MINIMUM        0.00   2017
TOTALS          0.35               0.34    0.01     0.03
DAILY AVG.      0.01               0.01   -0.00     0.00
DAYS >= .01        2                2.1    -0.1        1
DAYS >= .10        1                0.9     0.1        0
DAYS >= .50        0                0.2    -0.2        0
DAYS >= 1.00       0                0.0     0.0        0
DAYS >= %-5.2F     0                                   0
DAYS >= %-5.2F     0                                   0
GREATEST
 24 HR. TOTAL   0.34   12/22 TO 12/22               0.03  12/11 TO 12/11
 STORM TOTAL    0.34                                0.03
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL    278                357     -79      398
 SINCE 7/1       369                506    -137       MM
COOLING TOTAL      0                  1      -1        0
 SINCE 1/1      3925               3880      45       MM

FREEZE DATES
RECORD
 EARLIEST     10/30/1971
 LATEST       04/10/1999
EARLIEST      12/10             MM
LATEST                          03/04
................................................................

WIND (MPH)
AVERAGE WIND SPEED              3.1
RESULTANT WIND SPEED/DIRECTION   1/340
HIGHEST WIND SPEED/DIRECTION    18/320    DATE  12/07
HIGHEST GUST SPEED/DIRECTION    26/320    DATE  12/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.05
NUMBER OF DAYS FAIR           29
NUMBER OF DAYS PC              1
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     57

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN                1     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                      4

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

$$


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