342  
CDUS46 KSTO 130954  
CLIMOD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
154 AM PST SAT DEC 13 2025  
   
...............................  
 
   
..THE MODESTO CA CLIMATE SUMMARY FOR DECEMBER 12 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 42 549 PM 71 1958 56 -14 56  
MINIMUM 39 1159 PM 19 1932 39 0 46  
AVERAGE 41 48 -7 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.76 2014 0.07 -0.07 0.49  
MONTH TO DATE 0.00 0.78 -0.78 0.49  
SINCE OCT 1 4.03 2.40 1.63 1.87  
SINCE JAN 1 9.38 10.84 -1.46 15.64  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 18 6 14  
MONTH TO DATE 178 198 -20 175  
SINCE DEC 1 178 198 -20 175  
SINCE JUL 1 487 588 -101 563  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1727 1623 104 2200    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SE (120)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 2.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 200 AM  
LOWEST 89 200 PM  
AVERAGE 95  
   
......................................................  
 
THE MODESTO CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 68 1969  
MINIMUM TEMPERATURE (F) 39 18 1932  
 
SUNRISE AND SUNSET  
DECEMBER 13 2025......SUNRISE 710 AM PST SUNSET 446 PM PST  
DECEMBER 14 2025......SUNRISE 711 AM PST SUNSET 446 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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