Climatological Report (Monthly)
Issued by NWS
Issued by NWS
188
CXCA52 TJSJ 010950
CLMISX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
500 AM AST SUN JUN 01 2025
...................................
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1951 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 94 05/28/1972
LOW 62 05/23/2007
HIGHEST 90 05/15 91 -1 91
LOWEST 75 05/07 80 -5 77
05/08
05/29
AVG. MAXIMUM 87.0 87.1 -0.1 89.7
AVG. MINIMUM 76.5 75.4 1.1 79.1
MEAN 81.8 81.2 0.6 84.4
DAYS MAX >= 90 1 3.1 -2.1 7
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 14.03 1981
MINIMUM 0.22 1974
TOTALS 0.07R 3.62 -3.55 1.81
DAILY AVG. 0.02 0.12 -0.10 0.05
DAYS >= .01 1 11.9 -10.9 5
DAYS >= .10 0 5.5 -5.5 3
DAYS >= .50 0 1.7 -1.7 1
DAYS >= 1.00 0 0.8 -0.8 1
GREATEST
24 HR. TOTAL 0.07 05/29 TO 05/29
STORM TOTAL 0.07
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0
COOLING TOTAL 529 504 25 218
SINCE 1/1 2224
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 9.9
HIGHEST WIND SPEED/DIRECTION 28/100 DATE 05/12
HIGHEST GUST SPEED/DIRECTION 38/100 DATE 05/12
SKY COVER
AVERAGE SKY COVER 0.39
AVERAGE RH (PERCENT) 81
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 6
LIGHT RAIN 12 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 11 FOG W/VIS <= 1/4 MILE 1
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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