335  
CDUS46 KSGX 190018  
CLISAN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
518 PM PDT SUN MAY 18 2025  
   
...............................  
 
   
..THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR MAY 18 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1874 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 69 2:46 PM 87 1892 69 0 70  
MINIMUM 61 5:40 AM 48 1879 60 1 61  
1880  
AVERAGE 65 65 0 66  
 
PRECIPITATION (IN)  
TODAY 0.00 0.44 1864 0.01 -0.01 0.00  
MONTH TO DATE 0.15 0.20 -0.05 0.04  
SINCE JUL 1 4.57 9.66 -5.09 14.27  
SINCE OCT 1 4.55 9.45 -4.90 12.38  
SINCE JAN 1 4.41 6.49 -2.08 10.97  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 20 33 -13 30  
SINCE MAR 1 296 260 36 310  
SINCE JUL 1 1063 968 95 1043  
 
COOLING  
TODAY 0 1 -1 1  
MONTH TO DATE 20 18 2 1  
SINCE MAR 1 21 51 -30 1  
SINCE JAN 1 23 59 -36 1    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 2:00 AM  
LOWEST 57 2:00 PM  
AVERAGE 69  
   
......................................................  
 
THE SAN DIEGO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 87 1943  
MINIMUM TEMPERATURE (F) 60 49 1893  
1894  
 
SUNRISE AND SUNSET  
MAY 18 2025...........SUNRISE 5:48 AM PDT SUNSET 7:43 PM PDT  
MAY 19 2025...........SUNRISE 5:47 AM PDT SUNSET 7:44 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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