794  
CDUS45 KPSR 210820 RRA  
CLIPHX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PHOENIX AZ  
119 AM MST TUE AUG 21 2018  
 
   
...............................
 
 
   
..THE PHOENIX AZ CLIMATE SUMMARY FOR AUGUST 20 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1895 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL   
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 108 334 PM 112 1986 104 4 102  
1982  
MINIMUM 90 711 AM 58 1917 83 7 84  
AVERAGE 99 93 6 93  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.59 1995 0.04 -0.04 0.00  
MONTH TO DATE 0.80 0.67 0.13 1.37  
SINCE OCT 1 2.50 7.06 -4.56 6.50  
SINCE JAN 1 2.27 4.95 -2.68 4.67  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE JAN 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
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 34 28 6 28  
MONTH TO DATE 604 578 26 555  
SINCE JUN 1 2416 2276 140 2391  
SINCE JAN 1 3502 3162 340 3465   
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
SANDSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 44 700 AM  
LOWEST 22 400 PM  
AVERAGE 33  
   
......................................................
 
 
THE PHOENIX AZ CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 104 110 2007  
1986  
1981  
MINIMUM TEMPERATURE (F) 82 62 1916  
 
SUNRISE AND SUNSET  
AUGUST 21 2018........SUNRISE 555 AM MST SUNSET 707 PM MST  
AUGUST 22 2018........SUNRISE 555 AM MST SUNSET 706 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

   
.................................................................
 
 
DEW POINT  
HIGHEST DEW POINT 65  
LOWEST DEW POINT 59  
AVERAGE DEW POINT 61   
.................................................................
 
 

 
 
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