880  
CDUS46 KSTO 100830  
CLIMOD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
130 AM PDT SUN SEP 10 2023  
   
...............................
 
 
   
..THE MODESTO CA CLIMATE SUMMARY FOR SEPTEMBER 9 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 87 4:21 PM 105 1944 91 -4 103  
MINIMUM 66 5:47 AM 44 1931 60 6 74  
AVERAGE 77 75 2 89  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.12 1978 0.01 0.01 0.00  
MONTH TO DATE 0.03 0.01 0.02 0.00  
SINCE OCT 1 20.20 12.22 7.98 9.00  
SINCE JAN 1 12.07 8.39 3.68 0.85  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 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 5 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 1:00 PM  
LOWEST 28 3:00 PM  
AVERAGE 49  
   
......................................................
 
 
THE MODESTO CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 106 2015  
MINIMUM TEMPERATURE (F) 60 44 1931  
 
SUNRISE AND SUNSET  
SEPTEMBER 10 2023.....SUNRISE 6:41 AM PDT SUNSET 7:19 PM PDT  
SEPTEMBER 11 2023.....SUNRISE 6:42 AM PDT SUNSET 7:18 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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