Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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CDCA42 TJSJ 290901
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
501 AM AST TUE JUL 29 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 28 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 89 3:00 PM 92 1981 89 0 90
MINIMUM 78 6:18 AM 70 1899 78 0 78
AVERAGE 84 83 1 84
PRECIPITATION (IN)
YESTERDAY 0.17 2.07 1942 0.20 -0.03 0.52
MONTH TO DATE 5.35 5.44 -0.09 4.13
SINCE JUN 1 9.36 10.10 -0.74 7.54
SINCE JAN 1 33.76 29.07 4.69 40.42
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 19 18 1 19
MONTH TO DATE 527 504 23 586
SINCE JUN 1 1054 1047 7 1225
SINCE JAN 1 3378 3180 198 3737
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 8.7
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
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 93 2013
MINIMUM TEMPERATURE (F) 78 70 1919
SUNRISE AND SUNSET
JULY 29 2025..........SUNRISE 6:01 AM AST SUNSET 7:00 PM AST
JULY 30 2025..........SUNRISE 6:01 AM AST SUNSET 6:59 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$