Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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CDCA42 TJSJ 110919
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
519 AM AST MON AUG 11 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 10 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 2:34 PM 94 2023 89 0 90
MINIMUM 77 5:48 AM 72 1905 78 -1 82
AVERAGE 83 83 0 86
PRECIPITATION (IN)
YESTERDAY 0.01 2.58 1965 0.21 -0.20 0.10
MONTH TO DATE 2.41 1.82 0.59 1.70
SINCE JUN 1 11.99 12.50 -0.51 9.87
SINCE JAN 1 36.39 31.47 4.92 42.75
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 18 18 0 21
MONTH TO DATE 194 180 14 213
SINCE JUN 1 1307 1286 21 1499
SINCE JAN 1 3631 3419 212 4011
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 9.1
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85
LOWEST 61
AVERAGE 73
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 92 2011
2023
MINIMUM TEMPERATURE (F) 78 71 1923
SUNRISE AND SUNSET
AUGUST 11 2025........SUNRISE 6:05 AM AST SUNSET 6:53 PM AST
AUGUST 12 2025........SUNRISE 6:05 AM AST SUNSET 6:53 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$