029  
CDUS45 KPSR 180820  
CLIPHX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PHOENIX AZ  
120 AM MST MON AUG 18 2025  
   
...............................  
 
   
..THE PHOENIX AZ CLIMATE SUMMARY FOR AUGUST 17 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 105 505 PM 115 2020 105 0 113  
MINIMUM 84 638 AM 64 1918 84 0 93  
AVERAGE 95 94 1 103  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.89 1904 0.03 -0.03 0.00  
MONTH TO DATE T 0.52 -0.52 0.01  
SINCE OCT 1 1.63 6.24 -4.61 5.38  
SINCE JAN 1 1.63 4.37 -2.74 4.20  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE JAN 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 30 29 1 38  
MONTH TO DATE 596 508 88 601  
SINCE JUN 1 2454 2245 209 2691  
SINCE JAN 1 3550 3155 395 3680    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 26 600 AM  
LOWEST 12 700 PM  
AVERAGE 19  
   
......................................................  
 
THE PHOENIX AZ CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 105 115 2020  
MINIMUM TEMPERATURE (F) 84 62 1918  
 
SUNRISE AND SUNSET  
AUGUST 18 2025........SUNRISE 553 AM MST SUNSET 710 PM MST  
AUGUST 19 2025........SUNRISE 554 AM MST SUNSET 709 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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