National Weather Service Text Product
AFOS product CLISJU
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLISJU
Product Timestamp: 2025-05-20 08:59 UTC
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198
CDCA42 TJSJ 200859
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
459 AM AST TUE MAY 20 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR MAY 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 86 12:23 PM 95 2021 88 -2 93
MINIMUM 75 1:57 PM 69 1940 76 -1 81
AVERAGE 81 82 -1 87
PRECIPITATION (IN)
YESTERDAY 0.90 2.73 2023 0.18 0.72 T
MONTH TO DATE 5.42 3.40 2.02 7.71
SINCE MAR 1 16.09 10.18 5.91 19.74
SINCE JAN 1 22.88 16.83 6.05 29.08
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 16 17 -1 22
MONTH TO DATE 293 307 -14 360
SINCE MAR 1 1226 1180 46 1366
SINCE JAN 1 2110 1927 183 2259
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 3.7
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97
LOWEST 70
AVERAGE 84
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 92 1999
2024
MINIMUM TEMPERATURE (F) 76 68 1957
SUNRISE AND SUNSET
MAY 20 2025...........SUNRISE 5:49 AM AST SUNSET 6:52 PM AST
MAY 21 2025...........SUNRISE 5:49 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.
$$