295
CDCA42 TJSJ 100848
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
448 AM AST THU SEP 10 2026
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 9 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1898 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 90 12:27 PM 94 2013 89 1 89
2021
MINIMUM 79 8:14 PM 70 1988 78 1 77
AVERAGE 85 83 2 83
PRECIPITATION (IN)
YESTERDAY 0.59 1.82 1988 0.23 0.36 T
MONTH TO DATE 2.71 2.12 0.59 0.83
SINCE SEP 1 2.71 2.12 0.59 0.83
SINCE JAN 1 27.64 38.06 -10.42 44.45
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 20 18 2 18
MONTH TO DATE 175 162 13 172
SINCE SEP 1 175 162 13 172
SINCE JAN 1 4293 3973 320 4217
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 11.8
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 65
AVERAGE 80
......................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 94 1998
2017
2025
MINIMUM TEMPERATURE (F) 78 71 1961
SUNRISE AND SUNSET
SEPTEMBER 10 2026.....SUNRISE 6:11 AM AST SUNSET 6:31 PM AST
SEPTEMBER 11 2026.....SUNRISE 6:11 AM AST SUNSET 6:30 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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