Climatological Report (Daily)
Issued by NWS
Issued by NWS
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945
CDCA42 TJSJ 100912
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
512 AM AST SUN AUG 10 2025
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 9 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 90 3:09 PM 98 1979 90 0 91
MINIMUM 81 4:59 AM 74 1988 80 1 80
AVERAGE 86 85 1 86
PRECIPITATION (IN)
YESTERDAY T 0.95 2010 0.14 -0.14 0.10
MONTH TO DATE 0.21 1.08 -0.87 1.12
SINCE JUN 1 2.25 6.34 -4.09 4.30
SINCE JAN 1 18.35 18.00 0.35 4.30
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 21 20 1 21
MONTH TO DATE 197 180 17 175
SINCE JUN 1 1441 1357 84 1124
SINCE JAN 1 3833 3620 213 2369
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 9.9
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 61
AVERAGE 70
..........................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 97 1993
MINIMUM TEMPERATURE (F) 80 70 1953
SUNRISE AND SUNSET
AUGUST 10 2025........SUNRISE 6:01 AM AST SUNSET 6:50 PM AST
AUGUST 11 2025........SUNRISE 6:01 AM AST SUNSET 6:49 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$