938  
CDUS45 KPSR 300811  
CLIPHX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PHOENIX AZ  
111 AM MST SUN DEC 30 2018  
   
...............................
 
 
   
..THE PHOENIX AZ CLIMATE SUMMARY FOR DECEMBER 29 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 57 439 PM 85 1980 65 -8 77  
MINIMUM 34 728 AM 26 1966 44 -10 45  
AVERAGE 46 55 -9 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.47 2010 0.03 -0.03 0.00  
MONTH TO DATE 0.05 0.82 -0.77 0.23  
SINCE OCT 1 5.75 2.05 3.70 0.23  
SINCE JAN 1 9.15 7.97 1.18 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 4  
MONTH TO DATE 240 274 -34 183  
SINCE DEC 1 240 274 -34 183  
SINCE JUL 1 315 377 -62 184  
 
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 E (80)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 500 AM  
LOWEST 19 400 PM  
AVERAGE 45  
   
......................................................
 
 
THE PHOENIX AZ CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 81 1980  
MINIMUM TEMPERATURE (F) 44 23 1895  
 
SUNRISE AND SUNSET  
DECEMBER 30 2018......SUNRISE 732 AM MST SUNSET 530 PM MST  
DECEMBER 31 2018......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 24  
LOWEST DEW POINT 14  
AVERAGE DEW POINT 18   
.................................................................
 
 

 
 
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