Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDCA42 TJSJ 221040
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
640 AM AST FRI AUG 22 2025
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 21 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1953 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 93 2:22 PM 98 1992 90 3 89
MINIMUM MM MM 73 2025 80 MM 79
AVERAGE MM 85 MM 84
PRECIPITATION (IN)
YESTERDAY 0.00 2.87 2011 0.14 -0.14 0.37
MONTH TO DATE 2.64 2.78 -0.14 7.33
SINCE JUN 1 4.68 8.04 -3.36 10.51
SINCE JAN 1 20.78 19.70 1.08 10.51
DEGREE DAYS
HEATING
YESTERDAY MM 0 MM 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY MM 20 MM 19
MONTH TO DATE 433 420 13 399
SINCE JUN 1 1677 1597 80 1348
SINCE JAN 1 4069 3860 209 2593
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 9.5
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79
LOWEST 56
AVERAGE 68
..........................................................
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 2025........SUNRISE 6:03 AM AST SUNSET 6:42 PM AST
AUGUST 23 2025........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.
$$