266  
CDUS46 KSTO 170850  
CLIMOD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
150 AM PDT SUN AUG 17 2025  
   
...............................  
 
   
..THE MODESTO CA CLIMATE SUMMARY FOR AUGUST 16 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1931 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 328 PM 111 2020 94 -7 95  
MINIMUM 65 510 AM 49 1949 62 3 65  
AVERAGE 76 78 -2 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00 2003 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.00 0.00 T  
SINCE OCT 1 8.79 12.20 -3.41 17.52  
SINCE JAN 1 5.15 8.37 -3.22 13.77  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 5 -5 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 11 13 -2 15  
MONTH TO DATE 233 215 18 291  
SINCE JUN 1 910 932 -22 1321  
SINCE JAN 1 1118 1097 21 1469    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 7.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 500 AM  
LOWEST 42 300 PM  
AVERAGE 59  
   
......................................................  
 
THE MODESTO CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 93 108 2020  
MINIMUM TEMPERATURE (F) 62 50 1949  
 
SUNRISE AND SUNSET  
AUGUST 17 2025........SUNRISE 622 AM PDT SUNSET 753 PM PDT  
AUGUST 18 2025........SUNRISE 623 AM PDT SUNSET 752 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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