168  
CDUS46 KSTO 160837  
CLIMOD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
137 AM PDT SAT SEP 16 2023  
   
...............................
 
 
   
..THE MODESTO CA CLIMATE SUMMARY FOR SEPTEMBER 15 2023
 
 
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)  
YESTERDAY  
MAXIMUM 87 4:26 PM 103 1979 90 -3 78  
MINIMUM 62 6:40 AM 45 1970 59 3 59  
AVERAGE 75 74 1 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.12 1982 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  
YESTERDAY 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  
YESTERDAY 10 9 1 4  
MONTH TO DATE 140 156 -16 273  
SINCE SEP 1 140 156 -16 273  
SINCE JAN 1 1385 1433 -48 1700    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 8.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 7:00 AM  
LOWEST 36 5:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE MODESTO CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 101 1979  
MINIMUM TEMPERATURE (F) 59 46 1936  
 
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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