420  
CDUS46 KSTO 180856  
CLISCK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
156 AM PDT MON MAY 18 2026  
   
...............................  
 
   
..THE STOCKTON AIRPORT CA CLIMATE SUMMARY FOR MAY 17 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1948 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 79 435 PM 105 2009 83 -4 80  
MINIMUM 55 633 AM 40 1998 53 2 53  
AVERAGE 67 68 -1 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.60 1915 0.01 -0.01 0.00  
MONTH TO DATE 0.08 0.35 -0.27 T  
SINCE OCT 1 14.97 13.04 1.93 11.17  
SINCE JAN 1 7.99 8.54 -0.55 6.94  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 14 30 -16 7  
SINCE MAR 1 238 446 -208 458  
SINCE JUL 1 1915 2245 -330 2171  
 
COOLING  
YESTERDAY 2 4 -2 2  
MONTH TO DATE 56 50 6 60  
SINCE MAR 1 101 75 26 77  
SINCE JAN 1 102 75 27 77    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 17 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 18.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 200 AM  
LOWEST 18 800 PM  
AVERAGE 49  
   
......................................................  
 
THE STOCKTON AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 102 2008  
MINIMUM TEMPERATURE (F) 53 39 1974  
 
SUNRISE AND SUNSET  
MAY 18 2026...........SUNRISE 552 AM PDT SUNSET 811 PM PDT  
MAY 19 2026...........SUNRISE 552 AM PDT SUNSET 812 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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