939  
CDUS46 KSTO 200848  
CLIMOD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
148 AM PDT FRI OCT 20 2023  
   
...............................
 
 
   
..THE MODESTO CA CLIMATE SUMMARY FOR OCTOBER 19 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 89R 3:03 PM 89 2020 78 11 87  
MINIMUM 54 7:04 AM 37 1949 51 3 51  
AVERAGE 72 64 8 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.28 2004 0.02 -0.02 0.00  
MONTH TO DATE T 0.25 -0.25 0.00  
SINCE OCT 1 T 0.25 -0.25 0.00  
SINCE JAN 1 12.10 8.69 3.41 0.93  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 4 23 -19 2  
SINCE SEP 1 6 27 -21 2  
SINCE JUL 1 6 27 -21 2  
 
COOLING  
YESTERDAY 7 2 5 4  
MONTH TO DATE 87 67 20 114  
SINCE SEP 1 292 336 -44 487  
SINCE JAN 1 1537 1613 -76 1914    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 2.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 6:00 AM  
LOWEST 31 3:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE MODESTO CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 90 1964  
MINIMUM TEMPERATURE (F) 50 31 1949  
 
SUNRISE AND SUNSET  
OCTOBER 20 2023.......SUNRISE 7:17 AM PDT SUNSET 6:20 PM PDT  
OCTOBER 21 2023.......SUNRISE 7:18 AM PDT SUNSET 6:19 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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