174  
CDUS46 KSTO 170856  
CLIMOD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
156 AM PDT SUN MAY 17 2026  
   
...............................
 
 
   
..THE MODESTO CA CLIMATE SUMMARY FOR MAY 16 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1931 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 83 442 PM 105 2008 82 1 86  
MINIMUM 59 440 AM 42 1974 54 5 61  
AVERAGE 71 68 3 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.18 1996 0.02 -0.02 0.00  
MONTH TO DATE 0.09 0.37 -0.28 0.00  
SINCE OCT 1 12.68 11.77 0.91 8.79  
SINCE JAN 1 6.68 7.94 -1.26 5.15  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 15 33 -18 7  
SINCE MAR 1 200 441 -241 431  
SINCE JUL 1 1741 2285 -544 2104  
 
COOLING  
YESTERDAY 6 4 2 9  
MONTH TO DATE 86 51 35 72  
SINCE MAR 1 175 83 92 101  
SINCE JAN 1 177 83 94 101    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 13.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 48 100 AM  
LOWEST 18 400 PM  
AVERAGE 33  
   
......................................................
 
 
THE MODESTO CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 107 2009  
MINIMUM TEMPERATURE (F) 54 43 1943  
 
SUNRISE AND SUNSET  
MAY 17 2026...........SUNRISE 553 AM PDT SUNSET 808 PM PDT  
MAY 18 2026...........SUNRISE 552 AM PDT SUNSET 809 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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