619  
CDUS46 KSTO 180032  
CLIMOD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
532 PM PDT SAT MAY 17 2025  
   
...............................  
 
   
..THE MODESTO CA CLIMATE SUMMARY FOR MAY 17 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 77 245 PM 107 2009 82 -5 82  
MINIMUM 55 548 AM 43 1943 54 1 53  
AVERAGE 66 68 -2 68  
 
PRECIPITATION (IN)  
TODAY 0.00 0.09 1994 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.39 -0.39 0.77  
SINCE OCT 1 8.79 11.79 -3.00 17.52  
SINCE JAN 1 5.15 7.96 -2.81 13.77  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 7 34 -27 37  
SINCE MAR 1 431 442 -11 504  
SINCE JUL 1 2104 2286 -182 2153  
 
COOLING  
TODAY 1 4 -3 3  
MONTH TO DATE 73 55 18 69  
SINCE MAR 1 102 87 15 83  
SINCE JAN 1 102 87 15 83    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 10.6  
 
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 77 600 AM  
LOWEST 32 200 PM  
AVERAGE 55  
   
......................................................  
 
THE MODESTO CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 105 2008  
MINIMUM TEMPERATURE (F) 54 39 1974  
 
SUNRISE AND SUNSET  
MAY 17 2025...........SUNRISE 552 AM PDT SUNSET 809 PM PDT  
MAY 18 2025...........SUNRISE 552 AM PDT SUNSET 809 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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