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CDCA42 TJSJ 040848
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
448 AM AST THU SEP 04 2025
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 3 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 92 11:58 AM 93 1995 89 3 93
2023
2024
MINIMUM 80 6:28 AM 71 1962 78 2 82
AVERAGE 86 84 2 88
PRECIPITATION (IN)
YESTERDAY 0.07 2.58 1923 0.24 -0.17 0.00
MONTH TO DATE 0.08 0.71 -0.63 0.37
SINCE SEP 1 0.08 0.71 -0.63 0.37
SINCE JAN 1 43.70 36.65 7.05 50.58
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 23
MONTH TO DATE 60 54 6 63
SINCE SEP 1 60 54 6 63
SINCE JAN 1 4105 3865 240 4514
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 5.2
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85
LOWEST 58
AVERAGE 72
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THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 95 2023
MINIMUM TEMPERATURE (F) 78 70 1959
SUNRISE AND SUNSET
SEPTEMBER 4 2025.....SUNRISE 6:10 AM AST SUNSET 6:35 PM AST
SEPTEMBER 5 2025.....SUNRISE 6:10 AM AST SUNSET 6:35 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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