National Weather Service Text Product
AFOS product CLISJU
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLISJU
Product Timestamp: 2025-09-23 09:07 UTC
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713
CDCA42 TJSJ 230907
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
507 AM AST TUE SEP 23 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 22 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 89 12:43 PM 96 2021 89 0 92
MINIMUM 78 5:37 AM 71 1947 77 1 80
AVERAGE 84 83 1 86
PRECIPITATION (IN)
YESTERDAY 0.24 3.39 2017 0.19 0.05 0.15
MONTH TO DATE 4.19 4.94 -0.75 3.19
SINCE SEP 1 4.19 4.94 -0.75 3.19
SINCE JAN 1 47.81 40.88 6.93 53.40
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 21
MONTH TO DATE 420 396 24 466
SINCE SEP 1 420 396 24 466
SINCE JAN 1 4465 4207 258 4917
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 70
AVERAGE 79
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 95 2020
MINIMUM TEMPERATURE (F) 77 71 1956
SUNRISE AND SUNSET
SEPTEMBER 23 2025.....SUNRISE 6:13 AM AST SUNSET 6:19 PM AST
SEPTEMBER 24 2025.....SUNRISE 6:13 AM AST SUNSET 6:18 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$