National Weather Service Text Product
AFOS product CLISJU
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLISJU
Product Timestamp: 2025-09-16 09:03 UTC
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861
CDCA42 TJSJ 160903
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
503 AM AST TUE SEP 16 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 15 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1898 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 90 4:37 PM 96 2024 89 1 96
MINIMUM 78 6:33 AM 69 1960 78 0 82
AVERAGE 84 83 1 89
PRECIPITATION (IN)
YESTERDAY 0.05 3.82 2004 0.22 -0.17 0.02
MONTH TO DATE 2.59 3.47 -0.88 2.22
SINCE SEP 1 2.59 3.47 -0.88 2.22
SINCE JAN 1 46.21 39.41 6.80 52.43
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 19 18 1 24
MONTH TO DATE 290 270 20 319
SINCE SEP 1 290 270 20 319
SINCE JAN 1 4335 4081 254 4770
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 8.3
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94
LOWEST 66
AVERAGE 80
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 93 1900
MINIMUM TEMPERATURE (F) 78 69 1929
SUNRISE AND SUNSET
SEPTEMBER 16 2025.....SUNRISE 6:12 AM AST SUNSET 6:25 PM AST
SEPTEMBER 17 2025.....SUNRISE 6:12 AM AST SUNSET 6:24 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$