263  
CXCA52 TJSJ 012333  
CLMSJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
733 PM AST SUN JAN 01 2023  
   
...............................
 
 
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2022...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1898 TO 2022  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE  
NORMAL    
..........................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 94 12/06/1989  
LOW 62 12/29/1917  
HIGHEST 87 12/24 87 0 89  
12/27  
LOWEST 71 12/13 68 3 71  
AVG. MAXIMUM 84.7 84.2 0.5 85.1  
AVG. MINIMUM 74.1 73.3 0.8 74.5  
MEAN 79.4 78.8 0.6 79.8  
DAYS MAX >= 90 0 0.5 -0.5 0  
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 16.81 1981  
MINIMUM 0.68 1963  
TOTALS 3.72 4.85 -1.13 5.67  
DAILY AVG. 0.12 0.16 -0.04 0.18  
DAYS >= .01 23 20.2 2.8 23  
DAYS >= .10 8 10.6 -2.6 17  
DAYS >= .50 1 2.6 -1.6 2  
DAYS >= 1.00 0 0.9 -0.9 0  
GREATEST  
24 HR. TOTAL 0.91 12/17 TO 12/17  
STORM TOTAL 0.91  
 
DEGREE DAYS  
HEATING TOTAL 0 0 0 0  
SINCE 7/1 0  
COOLING TOTAL 453 426 27 468  
SINCE 1/1 5917  
 
FREEZE DATES   
..........................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 7.7  
HIGHEST WIND SPEED/DIRECTION 30/080 DATE 12/30  
HIGHEST GUST SPEED/DIRECTION 36/080 DATE 12/30  
 
SKY COVER  
AVERAGE SKY COVER 0.41  
 
AVERAGE RH (PERCENT) 75  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 2 RAIN 7  
LIGHT RAIN 20 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 8 FOG W/VIS <= 1/4 MILE 0  
HAZE 1  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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