385  
CDUS46 KSTO 180029  
CLIMOD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
529 PM PDT SUN AUG 17 2025  
   
...............................
 
 
   
..THE MODESTO CA CLIMATE SUMMARY FOR AUGUST 17 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 86 MM 108 2020 93 -7 87  
MINIMUM 64 MM 50 1949 62 2 66  
AVERAGE 75 78 -3 77  
 
PRECIPITATION (IN)  
TODAY 0.00 0.06 1976 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  
TODAY 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  
TODAY 10 13 -3 12  
MONTH TO DATE 243 228 15 303  
SINCE JUN 1 920 945 -25 1333  
SINCE JAN 1 1128 1110 18 1481    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 600 AM  
LOWEST 30 200 PM  
AVERAGE 49  
   
......................................................
 
 
THE MODESTO CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 93 106 2020  
MINIMUM TEMPERATURE (F) 62 50 1959  
 
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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