Climatological Report (Monthly)
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
000
CXCA52 TJSJ 011020
CLMIST

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
620 AM AST MON JAN 01 2024

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

...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1953 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             92   12/25/1995
                       12/11/1995
                       12/04/1995
 LOW              62   12/05/1972
HIGHEST           88   12/08         88       0       87
                       12/09
LOWEST            70   12/30         77      -7       71
AVG. MAXIMUM    84.7               85.2    -0.5     85.0
AVG. MINIMUM    75.2               74.9     0.3     74.7
MEAN            80.0               80.1    -0.1     79.9
DAYS MAX >= 90     0                1.8    -1.8        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.87   1960
 MINIMUM        0.63   1963
TOTALS          3.96               2.93    1.03     0.82
DAILY AVG.      0.13               0.09    0.04     0.03
DAYS >= .01       16               17.4    -1.4       11
DAYS >= .10        6                7.6    -1.6        3
DAYS >= .50        2                1.2     0.8        0
DAYS >= 1.00       1                0.7     0.3        0
GREATEST
 24 HR. TOTAL   1.88   12/10 TO 12/10
 STORM TOTAL    1.88


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0
COOLING TOTAL    472                467       5      466
 SINCE 1/1      6389

FREEZE DATES
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.4
HIGHEST WIND SPEED/DIRECTION    28/070    DATE  12/10
                                28/080          12/13
HIGHEST GUST SPEED/DIRECTION    42/070    DATE  12/13

SKY COVER
AVERAGE SKY COVER           0.26

AVERAGE RH (PERCENT)     79

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               1
HEAVY RAIN                1     RAIN                      16
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      10     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.

$$


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.