170  
CDUS46 KSTO 200854  
CLIMOD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
154 AM PDT SAT SEP 20 2025  
   
...............................  
 
   
..THE MODESTO CA CLIMATE SUMMARY FOR SEPTEMBER 19 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 86 417 PM 102 1995 89 -3 86  
2016  
MINIMUM 66 622 AM 44 1965 58 8 59  
AVERAGE 76 73 3 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.28 1956 0.00 0.00 0.00  
MONTH TO DATE T 0.02 -0.02 0.00  
SINCE OCT 1 8.79 12.23 -3.44 17.52  
SINCE JAN 1 5.15 8.40 -3.25 13.77  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE SEP 1 0 0 0 1  
SINCE JUL 1 0 0 0 1  
 
COOLING  
YESTERDAY 11 8 3 8  
MONTH TO DATE 222 191 31 230  
SINCE SEP 1 222 191 31 230  
SINCE JAN 1 1574 1468 106 1877    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 7.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 700 AM  
LOWEST 40 500 PM  
AVERAGE 62  
   
......................................................  
 
THE MODESTO CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 104 1939  
MINIMUM TEMPERATURE (F) 58 43 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2025.....SUNRISE 650 AM PDT SUNSET 703 PM PDT  
SEPTEMBER 21 2025.....SUNRISE 651 AM PDT SUNSET 702 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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