343  
CDUS46 KSTO 170935  
CLIMOD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
135 AM PST SUN DEC 17 2023  
   
...............................
 
 
   
..THE MODESTO CA CLIMATE SUMMARY FOR DECEMBER 16 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 65 4:03 PM 71 1958 56 9 52  
MINIMUM 33 7:16 AM 22 1932 38 -5 32  
AVERAGE 49 47 2 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.87 1962 0.07 -0.07 0.00  
MONTH TO DATE 0.02 1.06 -1.04 3.29  
SINCE OCT 1 0.98 2.68 -1.70 4.48  
SINCE JAN 1 13.08 11.12 1.96 5.41  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 18 -2 23  
MONTH TO DATE 252 270 -18 292  
SINCE DEC 1 252 270 -18 292  
SINCE JUL 1 627 660 -33 815  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1549 1623 -74 1922    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION E (110)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 1.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1:00 AM  
LOWEST 33 3:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE MODESTO CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 71 1958  
MINIMUM TEMPERATURE (F) 38 25 1965  
 
SUNRISE AND SUNSET  
DECEMBER 17 2023......SUNRISE 7:13 AM PST SUNSET 4:47 PM PST  
DECEMBER 18 2023......SUNRISE 7:13 AM PST SUNSET 4:47 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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