231  
CDUS46 KSTO 190943  
CLIMOD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
143 AM PST TUE DEC 19 2023  
   
...............................
 
 
   
..THE MODESTO CA CLIMATE SUMMARY FOR DECEMBER 18 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 57 11:59 PM 67 1958 56 1 43  
MINIMUM 47 7:02 AM 26 1935 38 9 34  
AVERAGE 52 47 5 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.66R 0.55 2005 0.07 0.59 0.00  
MONTH TO DATE 0.76 1.20 -0.44 3.29  
SINCE OCT 1 1.72 2.82 -1.10 4.48  
SINCE JAN 1 13.82 11.26 2.56 5.41  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 18 -5 26  
MONTH TO DATE 282 306 -24 342  
SINCE DEC 1 282 306 -24 342  
SINCE JUL 1 657 696 -39 865  
 
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 3 RESULTANT WIND DIRECTION SE (140)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 4.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 AM  
LOWEST 83 3:00 PM  
AVERAGE 92  
   
......................................................
 
 
THE MODESTO CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 65 1981  
2005  
MINIMUM TEMPERATURE (F) 38 24 1965  
 
SUNRISE AND SUNSET  
DECEMBER 19 2023......SUNRISE 7:14 AM PST SUNSET 4:48 PM PST  
DECEMBER 20 2023......SUNRISE 7:14 AM PST SUNSET 4:48 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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