646  
CDUS45 KTWC 160735  
CLITUS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TUCSON AZ  
1235 AM MST SAT AUG 16 2025  
   
...............................
 
 
   
..THE TUCSON AZ CLIMATE SUMMARY FOR AUGUST 15 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 94 403 PM 110 2015 99 -5 104  
MINIMUM 75 534 AM 63 1913 75 0 78  
1918  
AVERAGE 85 87 -2 91  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.10 1979 0.06 -0.04 0.00  
MONTH TO DATE 0.05 1.03 -0.98 0.95  
SINCE OCT 1 3.27 8.34 -5.07 12.66  
SINCE JAN 1 2.84 6.15 -3.31 10.72  
 
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 20 22 -2 26  
MONTH TO DATE 415 330 85 370  
SINCE JUN 1 1896 1685 211 1941  
SINCE JAN 1 2561 2240 321 2478    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64 600 AM  
LOWEST 29 400 PM  
AVERAGE 47  
   
......................................................
 
 
THE TUCSON AZ CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 99 110 2020  
MINIMUM TEMPERATURE (F) 75 60 1938  
 
SUNRISE AND SUNSET  
AUGUST 16 2025........SUNRISE 549 AM MST SUNSET 706 PM MST  
AUGUST 17 2025........SUNRISE 550 AM MST SUNSET 705 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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