684  
CDUS45 KTWC 180744  
CLITUS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TUCSON AZ  
1244 AM MST MON SEP 18 2023  
   
...............................
 
 
   
..THE TUCSON AZ CLIMATE SUMMARY FOR SEPTEMBER 17 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 101 353 PM 105 1956 95 6 99  
MINIMUM 70 556 AM 52 1899 70 0 65  
1906  
1915  
AVERAGE 86 83 3 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.33 1991 0.05 -0.05 0.00  
MONTH TO DATE 0.34 0.90 -0.56 0.35  
SINCE OCT 1 10.07 10.19 -0.12 6.51  
SINCE JAN 1 8.27 8.00 0.27 5.15  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE JUL 1 MM  
 
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 21 18 3 17  
MONTH TO DATE 379 333 46 349  
SINCE SEP 1 379 333 46 349  
SINCE JAN 1 3246 2922 324 3233    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 36 600 AM  
LOWEST 13 500 PM  
AVERAGE 25  
   
......................................................
 
 
THE TUCSON AZ CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 105 1956  
2010  
MINIMUM TEMPERATURE (F) 70 53 1906  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2023.....SUNRISE 609 AM MST SUNSET 626 PM MST  
SEPTEMBER 19 2023.....SUNRISE 610 AM MST SUNSET 624 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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