119  
CDUS45 KFGZ 180732  
CLIFLG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
1232 AM MST THU MAY 18 2023  
   
...............................
 
 
   
..THE FLAGSTAFF AZ AIRPORT CLIMATE SUMMARY FOR MAY 17 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1898 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 69 1212 PM 82 1970 68 1 74  
2009  
MINIMUM 40 531 AM 20 1943 35 5 38  
AVERAGE 55 52 3  
 
PRECIPITATION (IN)  
YESTERDAY 0.34 0.96 1903 0.02 0.32 0.00  
MONTH TO DATE 0.43 0.44 -0.01 0.00  
SINCE OCT 1 21.58 12.40 9.18 9.40  
SINCE JAN 1 16.72 7.43 9.29 3.01  
 
SNOWFALL (IN)  
YESTERDAY 0.0 9.0 1903 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.9 -0.9 0.0  
SINCE JUL 1 163.1 89.9 73.2 56.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 13 -3 9  
MONTH TO DATE 250 268 -18 223  
SINCE JUL 1 6683 6442 241 6251  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 3.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 200 PM  
LOWEST 36 1200 PM  
AVERAGE 63  
   
......................................................
 
 
THE FLAGSTAFF AZ AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 82 1970  
MINIMUM TEMPERATURE (F) 35 21 1977  
 
SUNRISE AND SUNSET  
MAY 18 2023...........SUNRISE 521 AM MST SUNSET 726 PM MST  
MAY 19 2023...........SUNRISE 520 AM MST SUNSET 727 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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