546  
CDUS45 KTWC 200749  
CLITUS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TUCSON AZ  
1249 AM MST SUN JUL 20 2025  
   
...............................  
 
   
..THE TUCSON AZ CLIMATE SUMMARY FOR JULY 19 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 101 416 PM 112 2023 100 1 105  
MINIMUM 80 628 AM 65 1905 77 3 79  
1934  
1948  
AVERAGE 91 88 3 92  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.39 1970 0.09 -0.09 0.00  
MONTH TO DATE 1.74 1.20 0.54 0.80  
SINCE OCT 1 3.08 6.30 -3.22 9.10  
SINCE JAN 1 2.65 4.11 -1.46 7.16  
 
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 26 23 3 27  
MONTH TO DATE 493 451 42 539  
SINCE JUN 1 1198 1085 113 1276  
SINCE JAN 1 1863 1640 223 1813    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 52 600 AM  
LOWEST 18 600 PM  
AVERAGE 35  
   
......................................................  
 
THE TUCSON AZ CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 100 112 2023  
MINIMUM TEMPERATURE (F) 77 63 1906  
 
SUNRISE AND SUNSET  
JULY 20 2025..........SUNRISE 531 AM MST SUNSET 729 PM MST  
JULY 21 2025..........SUNRISE 532 AM MST SUNSET 728 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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