259  
CDUS46 KSTO 130837  
CLIMOD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
137 AM PDT TUE MAY 13 2025  
   
...............................
 
 
   
..THE MODESTO CA CLIMATE SUMMARY FOR MAY 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 72 301 PM 98 1976 81 -9 90  
MINIMUM 51 536 AM 42 1967 53 -2 59  
AVERAGE 62 67 -5 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.67 1998 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.28 -0.28 0.77  
SINCE OCT 1 8.79 11.68 -2.89 17.52  
SINCE JAN 1 5.15 7.85 -2.70 13.77  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 2 1 0  
MONTH TO DATE 5 25 -20 37  
SINCE MAR 1 429 433 -4 504  
SINCE JUL 1 2102 2277 -175 2153  
 
COOLING  
YESTERDAY 0 4 -4 10  
MONTH TO DATE 57 35 22 37  
SINCE MAR 1 86 67 19 51  
SINCE JAN 1 86 67 19 51    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 10.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 500 AM  
LOWEST 36 300 PM  
AVERAGE 58  
   
......................................................
 
 
THE MODESTO CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 100 1976  
MINIMUM TEMPERATURE (F) 53 41 1962  
 
SUNRISE AND SUNSET  
MAY 13 2025...........SUNRISE 556 AM PDT SUNSET 805 PM PDT  
MAY 14 2025...........SUNRISE 555 AM PDT SUNSET 806 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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