Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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CDCA42 TJSJ 130910
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
510 AM AST MON OCT 13 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 12 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 91 1:43 PM 97 1987 89 2 92
MINIMUM 78 4:49 AM 72 1962 77 1 79
AVERAGE 85 83 2 86
PRECIPITATION (IN)
YESTERDAY 0.02 2.05 1926 0.14 -0.12 0.00
MONTH TO DATE 1.78 1.84 -0.06 1.47
SINCE SEP 1 8.38 8.34 0.04 4.78
SINCE JAN 1 52.00 44.28 7.72 54.99
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 20 18 2 21
MONTH TO DATE 228 216 12 260
SINCE SEP 1 804 766 38 899
SINCE JAN 1 4849 4577 272 5350
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 5.3
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 56
AVERAGE 72
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 97 1987
MINIMUM TEMPERATURE (F) 77 70 1957
SUNRISE AND SUNSET
OCTOBER 13 2025.......SUNRISE 6:17 AM AST SUNSET 6:03 PM AST
OCTOBER 14 2025.......SUNRISE 6:18 AM AST SUNSET 6:02 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$