642  
CDUS46 KSTO 160027  
CLIMOD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
527 PM PDT THU MAY 15 2025  
   
...............................
 
 
   
..THE MODESTO CA CLIMATE SUMMARY FOR MAY 15 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 85 MM 101 2008 82 3 89  
MINIMUM 53 MM 40 1943 54 -1 58  
AVERAGE 69 68 1 74  
 
PRECIPITATION (IN)  
TODAY 0.00 1.38 1995 0.03 -0.03 0.00  
MONTH TO DATE 0.00 0.35 -0.35 0.77  
SINCE OCT 1 8.79 11.75 -2.96 17.52  
SINCE JAN 1 5.15 7.92 -2.77 13.77  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 7 31 -24 37  
SINCE MAR 1 431 439 -8 504  
SINCE JUL 1 2104 2283 -179 2153  
 
COOLING  
TODAY 4 4 0 9  
MONTH TO DATE 63 47 16 60  
SINCE MAR 1 92 79 13 74  
SINCE JAN 1 92 79 13 74    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 4.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 500 AM  
LOWEST 23 400 PM  
AVERAGE 49  
   
......................................................
 
 
THE MODESTO CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 105 2008  
MINIMUM TEMPERATURE (F) 54 42 1974  
 
SUNRISE AND SUNSET  
MAY 15 2025...........SUNRISE 554 AM PDT SUNSET 807 PM PDT  
MAY 16 2025...........SUNRISE 553 AM PDT SUNSET 808 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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