Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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CDCA42 TJSJ 170855
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
455 AM AST SAT MAY 17 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR MAY 16 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 87 1:17 PM 94 1903 87 0 89
MINIMUM 76 6:11 AM 68 1961 76 0 79
AVERAGE 82 82 0 84
PRECIPITATION (IN)
YESTERDAY 0.17 2.20 1928 0.18 -0.01 T
MONTH TO DATE 4.47 2.87 1.60 7.67
SINCE MAR 1 15.14 9.65 5.49 19.70
SINCE JAN 1 21.93 16.30 5.63 29.04
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 17 16 1 19
MONTH TO DATE 249 256 -7 298
SINCE MAR 1 1182 1129 53 1304
SINCE JAN 1 2066 1876 190 2197
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 6.4
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94
LOWEST 70
AVERAGE 82
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 94 1903
MINIMUM TEMPERATURE (F) 76 69 1960
SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE 5:50 AM AST SUNSET 6:51 PM AST
MAY 18 2025...........SUNRISE 5:49 AM AST SUNSET 6:52 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$