733  
CDUS45 KPSR 160825 RRA  
CLIPHX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PHOENIX AZ  
124 AM MST SUN DEC 16 2018  
 
   
...............................
 
 
   
..THE PHOENIX AZ CLIMATE SUMMARY FOR DECEMBER 15 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 70 455 PM 79 1969 66 4 72  
1942  
MINIMUM 50 529 AM 26 1916 44 6 50  
1901  
AVERAGE 60 55 5 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.86 1967 0.03 -0.03 0.00  
MONTH TO DATE 0.05 0.43 -0.38 0.07  
SINCE OCT 1 5.75 1.66 4.09 0.07  
SINCE JAN 1 9.15 7.58 1.57 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 5 10 -5 4  
MONTH TO DATE 111 134 -23 51  
SINCE DEC 1 111 134 -23 51  
SINCE JUL 1 186 237 -51 52  
 
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 NE (50)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 3.2  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 48 500 AM  
LOWEST 12 200 PM  
AVERAGE 30  
   
......................................................
 
 
THE PHOENIX AZ CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 86 1980  
MINIMUM TEMPERATURE (F) 44 28 1931  
1911  
1901  
 
SUNRISE AND SUNSET  
DECEMBER 16 2018......SUNRISE 725 AM MST SUNSET 522 PM MST  
DECEMBER 17 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 29  
LOWEST DEW POINT 15  
AVERAGE DEW POINT 21   
.................................................................
 
 

 
 
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