Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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CDCA42 TJSJ 130856
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
456 AM AST WED AUG 13 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 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 90 1:51 PM 93 1993 89 1 91
2017
MINIMUM 80 4:52 AM 68 1904 78 2 81
AVERAGE 85 84 1 86
PRECIPITATION (IN)
YESTERDAY 0.02 3.19 1956 0.21 -0.19 T
MONTH TO DATE 2.51 2.24 0.27 2.20
SINCE JUN 1 12.09 12.92 -0.83 10.37
SINCE JAN 1 36.49 31.89 4.60 43.25
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 20 18 2 21
MONTH TO DATE 233 216 17 255
SINCE JUN 1 1346 1322 24 1541
SINCE JAN 1 3670 3455 215 4053
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 9.6
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82
LOWEST 70
AVERAGE 76
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 93 1981
2019
MINIMUM TEMPERATURE (F) 78 71 1960
SUNRISE AND SUNSET
AUGUST 13 2025........SUNRISE 6:05 AM AST SUNSET 6:52 PM AST
AUGUST 14 2025........SUNRISE 6:06 AM AST SUNSET 6:51 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$