613  
CDUS46 KSTO 210835  
CLIMOD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
135 AM PDT SAT OCT 21 2023  
   
...............................
 
 
   
..THE MODESTO CA CLIMATE SUMMARY FOR OCTOBER 20 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 88 3:08 PM 90 1964 78 10 87  
MINIMUM 56 7:00 AM 31 1949 50 6 51  
AVERAGE 72 64 8 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.24 1944 0.02 -0.02 0.00  
MONTH TO DATE T 0.27 -0.27 0.00  
SINCE OCT 1 T 0.27 -0.27 0.00  
SINCE JAN 1 12.10 8.71 3.39 0.93  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 4 25 -21 2  
SINCE SEP 1 6 29 -23 2  
SINCE JUL 1 6 29 -23 2  
 
COOLING  
YESTERDAY 7 1 6 4  
MONTH TO DATE 94 68 26 118  
SINCE SEP 1 299 337 -38 491  
SINCE JAN 1 1544 1614 -70 1918    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 4.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 AM  
LOWEST 32 3:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE MODESTO CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 91 1991  
MINIMUM TEMPERATURE (F) 50 31 1949  
 
SUNRISE AND SUNSET  
OCTOBER 21 2023.......SUNRISE 7:18 AM PDT SUNSET 6:19 PM PDT  
OCTOBER 22 2023.......SUNRISE 7:19 AM PDT SUNSET 6:17 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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