250  
CDUS45 KFGZ 210823  
CLIFLG  
CLIMATE REPORT  
NATIONAL WEATHER SERVICE FLAGSTAFF, AZ  
123 AM MST THU SEP 21 2017  
 
   
...............................
 
 
   
..THE FLAGSTAFF AZ AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1898 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 71 329 PM 83 2000 72 -1 65  
1949  
1943  
MINIMUM 37 631 AM 23 1971 41 -4 51  
AVERAGE 54 56 -2  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.52 1952 0.08 -0.08 0.48  
MONTH TO DATE 0.33 1.68 -1.35 0.57  
SINCE SEP 1 0.33 1.68 -1.35 0.57  
SINCE JAN 1 17.91 15.87 2.04 17.76  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2002 0.0 0.0  
2001  
2000  
MONTH TO DATE 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 9 2 7  
MONTH TO DATE 90 120 -30 128  
SINCE JUL 1 141 208 -67 228  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 11 0 11 1  
SINCE JAN 1 184 114 70 131    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 11.9  
 
 
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 70 500 AM  
LOWEST 22 1200 PM  
AVERAGE 46  
   
......................................................
 
 
 
THE FLAGSTAFF AZ AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 84 1943  
MINIMUM TEMPERATURE (F) 40 23 1955  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2017.....SUNRISE 614 AM MST SUNSET 624 PM MST  
SEPTEMBER 22 2017.....SUNRISE 615 AM MST SUNSET 623 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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SNOW DEPTH DATA FOR FLAGSTAFF AIRPORT IS REPORTED AT 5 AM MST  
 
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SUPPLEMENTARY CLIMATE DATA FOR NWS BELLEMONT, ARIZONA  
 
SNOW DEPTH (IN) AT 11 AM...................................0.0  
WATER EQUIVALENT OF SNOW PACK (IN) AT 11 AM*...............  
* ONLY MEASURED IF SNOW DEPTH IS 2.0 INCHES OR GREATER  
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