898  
CDUS46 KSTO 220039  
CLIMOD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
539 PM PDT THU SEP 21 2023  
   
...............................
 
 
   
..THE MODESTO CA CLIMATE SUMMARY FOR SEPTEMBER 21 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 79 3:56 PM 104 1939 88 -9 79  
MINIMUM 54 6:12 AM 45 1960 58 -4 56  
AVERAGE 67 73 -6 68  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2005 0.00 0.00 0.00  
2005  
2016  
MONTH TO DATE 0.03 0.02 0.01 0.08  
SINCE OCT 1 20.20 12.23 7.97 9.08  
SINCE JAN 1 12.07 8.40 3.67 0.93  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 2 8 -6 3  
MONTH TO DATE 175 207 -32 292  
SINCE SEP 1 175 207 -32 292  
SINCE JAN 1 1420 1484 -64 1719    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 6:00 AM  
LOWEST 31 3:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE MODESTO CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 102 1939  
MINIMUM TEMPERATURE (F) 58 44 1945  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 6:51 AM PDT SUNSET 7:02 PM PDT  
SEPTEMBER 22 2023.....SUNRISE 6:52 AM PDT SUNSET 7:01 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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