435  
CDUS45 KPSR 170822  
CLIPHX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PHOENIX AZ  
118 AM MST MON DEC 17 2018  
 
   
...............................
 
 
   
..THE PHOENIX AZ CLIMATE SUMMARY FOR DECEMBER 16 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 68 407 PM 86 1980 65 3 67  
MINIMUM 46 759 AM 28 1931 44 2 49  
1911  
1901  
AVERAGE 57 55 2 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.26 1908 0.03 -0.03 0.00  
MONTH TO DATE 0.05 0.46 -0.41 0.07  
SINCE OCT 1 5.75 1.69 4.06 0.07  
SINCE JAN 1 9.15 7.61 1.54 4.80  
 
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 8 10 -2 7  
MONTH TO DATE 119 144 -25 58  
SINCE DEC 1 119 144 -25 58  
SINCE JUL 1 194 247 -53 59  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 19  
SINCE DEC 1 0 0 0 19  
SINCE JAN 1 4943 4606 337 5212   
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 2.2  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 53 800 AM  
LOWEST 15 200 PM  
AVERAGE 34  
   
......................................................
 
 
THE PHOENIX AZ CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 82 2013  
MINIMUM TEMPERATURE (F) 44 28 1927  
1916  
 
SUNRISE AND SUNSET  
DECEMBER 17 2018......SUNRISE 726 AM MST SUNSET 523 PM MST  
DECEMBER 18 2018......SUNRISE 726 AM MST SUNSET 523 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 33  
LOWEST DEW POINT 18  
AVERAGE DEW POINT 27   
.................................................................
 
 

 
 
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