571  
CDUS46 KSTO 100037  
CLIMOD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
537 PM PDT SAT SEP 09 2023  
   
...............................
 
 
   
..THE MODESTO CA CLIMATE SUMMARY FOR SEPTEMBER 9 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 87 3:33 PM 105 1944 91 -4 103  
MINIMUM 66 5:47 AM 44 1931 60 6 74  
AVERAGE 77 75 2 89  
 
PRECIPITATION (IN)  
TODAY 0.01 0.12 1978 0.01 0.00 0.00  
MONTH TO DATE 0.02 0.01 0.01 0.00  
SINCE OCT 1 20.19 12.22 7.97 9.00  
SINCE JAN 1 12.06 8.39 3.67 0.85  
 
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 12 10 2 24  
MONTH TO DATE 76 97 -21 210  
SINCE SEP 1 76 97 -21 210  
SINCE JAN 1 1321 1374 -53 1637    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 1:00 PM  
LOWEST 28 3:00 PM  
AVERAGE 49  
   
......................................................
 
 
THE MODESTO CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 106 2015  
MINIMUM TEMPERATURE (F) 60 44 1931  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2023.....SUNRISE 6:41 AM PDT SUNSET 7:21 PM PDT  
SEPTEMBER 10 2023.....SUNRISE 6:41 AM PDT SUNSET 7:19 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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