502  
CDUS46 KSTO 170048  
CLIMOD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
548 PM PDT SAT SEP 16 2023  
   
...............................
 
 
   
..THE MODESTO CA CLIMATE SUMMARY FOR SEPTEMBER 16 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1931 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 84 2:40 PM 101 1979 89 -5 83  
MINIMUM 62 6:53 AM 46 1936 59 3 55  
AVERAGE 73 74 -1 69  
 
PRECIPITATION (IN)  
TODAY 0.00 0.68 1989 0.00 0.00 0.00  
MONTH TO DATE 0.03 0.01 0.02 0.00  
SINCE OCT 1 20.20 12.22 7.98 9.00  
SINCE JAN 1 12.07 8.39 3.68 0.85  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 8 9 -1 4  
MONTH TO DATE 148 165 -17 277  
SINCE SEP 1 148 165 -17 277  
SINCE JAN 1 1393 1442 -49 1704    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 3:00 AM  
LOWEST 43 3:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE MODESTO CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 102 1984  
MINIMUM TEMPERATURE (F) 59 46 1959  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2023.....SUNRISE 6:46 AM PDT SUNSET 7:10 PM PDT  
SEPTEMBER 17 2023.....SUNRISE 6:47 AM PDT SUNSET 7:09 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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