432  
CXCA52 TJSJ 010905  
CLMIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
505 AM AST SAT NOV 01 2025  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2025...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1953 TO 2025  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE  
NORMAL    
..........................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 97 10/14/1994  
10/13/1994  
10/11/1993  
LOW 64 10/15/2015  
HIGHEST 92 10/19 90 MM 91  
LOWEST 78 10/18 76 MM 74  
AVG. MAXIMUM MM 88.4 MM 88.7  
AVG. MINIMUM MM 78.3 MM 79.6  
MEAN MM 83.3 MM 84.2  
DAYS MAX >= 90 MM 7.6 MM 11  
DAYS MAX <= 32 MM 0.0 MM 0  
DAYS MIN <= 32 MM 0.0 MM 0  
DAYS MIN <= 0 MM 0.0 MM 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 16.20 2010  
MINIMUM 1.95 2011  
TOTALS 0.43R 5.28 -4.85 6.11  
DAILY AVG. 0.06 0.17 -0.11 0.20  
DAYS >= .01 7 17.3 -10.3 16  
DAYS >= .10 2 9.7 -7.7 10  
DAYS >= .50 0 2.8 -2.8 5  
DAYS >= 1.00 0 1.3 -1.3 2  
GREATEST  
24 HR. TOTAL 3.60 10/11 TO 10/12  
STORM TOTAL 0.18  
 
DEGREE DAYS  
HEATING TOTAL 0 0 0 0  
SINCE 7/1 0  
COOLING TOTAL 160 569 -409 602  
SINCE 1/1 4864  
 
FREEZE DATES   
..........................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 10.3  
HIGHEST WIND SPEED/DIRECTION 29/310 DATE 10/16  
HIGHEST GUST SPEED/DIRECTION 44/300 DATE 10/16  
 
SKY COVER  
AVERAGE SKY COVER 0.29  
 
AVERAGE RH (PERCENT) 76  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 7 MIXED PRECIP 0  
HEAVY RAIN 6 RAIN 5  
LIGHT RAIN 14 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 7 FOG W/VIS <= 1/4 MILE 0  
HAZE 2  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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