Climatological Report (Daily)
Issued by NWS
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CDCA42 TJSJ 220939
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
539 AM AST SAT AUG 22 2026
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 21 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1953 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 93 10:55 AM 98 1992 90 3 93
MINIMUM 80 7:29 AM 73 2025 80 0 MM
AVERAGE 87 85 2 MM
PRECIPITATION (IN)
YESTERDAY 0.00 2.87 2011 0.14 -0.14 0.00
MONTH TO DATE 0.80 2.78 -1.98 2.64
SINCE JUN 1 1.59 8.04 -6.45 4.68
SINCE JAN 1 10.82 19.70 -8.88 20.78
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 MM
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 22 20 2 MM
MONTH TO DATE 421 420 1 433
SINCE JUN 1 1695 1597 98 1677
SINCE JAN 1 4131 3860 271 4069
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 9.9
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70
LOWEST 20
AVERAGE 45
..........................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 95 1994
MINIMUM TEMPERATURE (F) 80 73 1982
SUNRISE AND SUNSET
AUGUST 22 2026........SUNRISE 6:03 AM AST SUNSET 6:42 PM AST
AUGUST 23 2026........SUNRISE 6:04 AM AST SUNSET 6:41 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$