342  
CDUS45 KPSR 210811  
CLIIPL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PHOENIX AZ  
111 AM MST SUN SEP 21 2025  
   
...............................
 
 
   
..THE IMPERIAL CA CLIMATE SUMMARY FOR SEPTEMBER 20 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1925 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 100 354 PM 110 1984 101 -1 MM  
MINIMUM 76 430 AM 54 1965 71 5 MM  
AVERAGE 88 86 2 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 MM  
MONTH TO DATE 0 0 0 MM  
SINCE SEP 1 0 0 0 MM  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 23 21 2 MM  
MONTH TO DATE 477 482 -5 MM  
SINCE SEP 1 477 482 -5 MM  
SINCE JAN 1 2994 3595 -601 2551    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66  
LOWEST 30  
AVERAGE 48  
   
......................................................
 
 
THE IMPERIAL CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 100 111 1949  
MINIMUM TEMPERATURE (F) 70 54 1978  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2025.....SUNRISE 630 AM PDT SUNSET 640 PM PDT  
SEPTEMBER 22 2025.....SUNRISE 631 AM PDT SUNSET 638 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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