National Weather Service Text Product
AFOS product CLISJU
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLISJU
Product Timestamp: 2025-09-11 08:50 UTC
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910
CDCA42 TJSJ 110850
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
450 AM AST THU SEP 11 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 10 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 94R 1:38 PM 94 1998 89 5 90
2017
2025
MINIMUM 78 6:30 AM 71 1961 78 0 78
AVERAGE 86 83 3 84
PRECIPITATION (IN)
YESTERDAY 0.84 8.20 1996 0.23 0.61 0.43
MONTH TO DATE 1.67 2.35 -0.68 1.78
SINCE SEP 1 1.67 2.35 -0.68 1.78
SINCE JAN 1 45.29 38.29 7.00 51.99
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 21 18 3 19
MONTH TO DATE 193 180 13 210
SINCE SEP 1 193 180 13 210
SINCE JAN 1 4238 3991 247 4661
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90
LOWEST 52
AVERAGE 71
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 94 1994
MINIMUM TEMPERATURE (F) 78 71 1909
SUNRISE AND SUNSET
SEPTEMBER 11 2025.....SUNRISE 6:11 AM AST SUNSET 6:29 PM AST
SEPTEMBER 12 2025.....SUNRISE 6:11 AM AST SUNSET 6:29 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$