Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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CDCA42 TJSJ 200905
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
505 AM AST SUN JUL 20 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 19 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 12:12 PM 93 2006 89 1 86
MINIMUM 76 3:14 PM 70 1960 78 -2 79
AVERAGE 83 83 0 83
PRECIPITATION (IN)
YESTERDAY 1.04 1.64 1975 0.22 0.82 0.31
MONTH TO DATE 3.51 3.56 -0.05 2.83
SINCE JUN 1 7.52 8.22 -0.70 6.24
SINCE JAN 1 31.92 27.19 4.73 39.12
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 18
MONTH TO DATE 357 342 15 398
SINCE JUN 1 884 885 -1 1037
SINCE JAN 1 3208 3018 190 3549
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 8.2
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 61
AVERAGE 75
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 92 1995
2024
MINIMUM TEMPERATURE (F) 78 71 1939
SUNRISE AND SUNSET
JULY 20 2025..........SUNRISE 5:58 AM AST SUNSET 7:03 PM AST
JULY 21 2025..........SUNRISE 5:58 AM AST SUNSET 7:03 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$