National Weather Service Text Product
AFOS product CLISJU
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLISJU
Product Timestamp: 2025-05-21 09:03 UTC
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328
CDCA42 TJSJ 210903
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
503 AM AST WED MAY 21 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR MAY 20 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 91 3:38 PM 92 1999 88 3 92
2024
MINIMUM 76 5:52 AM 68 1957 76 0 81
AVERAGE 84 82 2 87
PRECIPITATION (IN)
YESTERDAY 0.29 3.54 1987 0.18 0.11 0.01
MONTH TO DATE 5.71 3.58 2.13 7.72
SINCE MAR 1 16.38 10.36 6.02 19.75
SINCE JAN 1 23.17 17.01 6.16 29.09
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 19 17 2 22
MONTH TO DATE 312 324 -12 382
SINCE MAR 1 1245 1197 48 1388
SINCE JAN 1 2129 1944 185 2281
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 4.0
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97
LOWEST 58
AVERAGE 78
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 95 2005
2024
MINIMUM TEMPERATURE (F) 76 69 2011
SUNRISE AND SUNSET
MAY 21 2025...........SUNRISE 5:49 AM AST SUNSET 6:53 PM AST
MAY 22 2025...........SUNRISE 5:48 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.
$$