163  
CDUS46 KSTO 100030  
CLIMOD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
530 PM PDT TUE SEP 09 2025  
   
...............................
 
 
   
..THE MODESTO CA CLIMATE SUMMARY FOR SEPTEMBER 9 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 81 MM 105 1944 91 -10 101  
MINIMUM 64 MM 44 1931 60 4 65  
AVERAGE 73 75 -2 83  
 
PRECIPITATION (IN)  
TODAY 0.00 0.12 1978 0.01 -0.01 0.00  
MONTH TO DATE T 0.01 -0.01 0.00  
SINCE OCT 1 8.79 12.22 -3.43 17.52  
SINCE JAN 1 5.15 8.39 -3.24 13.77  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 8 10 -2 18  
MONTH TO DATE 114 97 17 164  
SINCE SEP 1 114 97 17 164  
SINCE JAN 1 1466 1374 92 1811    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 600 AM  
LOWEST 41 100 PM  
AVERAGE 63  
   
......................................................
 
 
THE MODESTO CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 106 2015  
MINIMUM TEMPERATURE (F) 60 44 1931  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2025.....SUNRISE 641 AM PDT SUNSET 720 PM PDT  
SEPTEMBER 10 2025.....SUNRISE 642 AM PDT SUNSET 719 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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