744  
CDUS45 KPSR 310814  
CLIPHX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PHOENIX AZ  
113 AM MST MON DEC 31 2018  
   
...............................
 
 
   
..THE PHOENIX AZ CLIMATE SUMMARY FOR DECEMBER 30 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 57 306 PM 81 1980 65 -8 77  
MINIMUM 35 730 AM 23 1895 44 -9 47  
AVERAGE 46 55 -9 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.50 1915 0.03 -0.03 0.00  
MONTH TO DATE 0.05 0.85 -0.80 0.23  
SINCE OCT 1 5.75 2.08 3.67 0.23  
SINCE JAN 1 9.15 8.00 1.15 4.96  
 
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 19 10 9 3  
MONTH TO DATE 259 284 -25 186  
SINCE DEC 1 259 284 -25 186  
SINCE JUL 1 334 387 -53 187  
 
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 13 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 56 700 AM  
LOWEST 18 300 PM  
AVERAGE 37  
   
......................................................
 
 
THE PHOENIX AZ CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 79 1897  
MINIMUM TEMPERATURE (F) 44 22 1900  
 
SUNRISE AND SUNSET  
DECEMBER 31 2018......SUNRISE 732 AM MST SUNSET 531 PM MST  
JANUARY 1 2019.......SUNRISE 732 AM MST SUNSET 531 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 23  
LOWEST DEW POINT 12  
AVERAGE DEW POINT 17   
.................................................................
 
 

 
 
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