791  
CDUS45 KPSR 200829  
CLIPHX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PHOENIX AZ  
128 AM MST THU DEC 20 2018  
 
   
...............................
 
 
   
..THE PHOENIX AZ CLIMATE SUMMARY FOR DECEMBER 19 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 69 425 PM 79 1917 65 4 67  
MINIMUM 44 647 AM 25 1968 44 0 44  
AVERAGE 57 55 2 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.98 1967 0.03 -0.03 0.00  
MONTH TO DATE 0.05 0.55 -0.50 0.23  
SINCE OCT 1 5.75 1.78 3.97 0.23  
SINCE JAN 1 9.15 7.70 1.45 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 8 10 -2 9  
MONTH TO DATE 140 174 -34 84  
SINCE DEC 1 140 174 -34 84  
SINCE JUL 1 215 277 -62 85  
 
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 12 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 700 AM  
LOWEST 27 300 PM  
AVERAGE 52  
   
......................................................
 
 
THE PHOENIX AZ CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 78 1954  
MINIMUM TEMPERATURE (F) 44 24 1897  
 
SUNRISE AND SUNSET  
DECEMBER 20 2018......SUNRISE 728 AM MST SUNSET 524 PM MST  
DECEMBER 21 2018......SUNRISE 728 AM MST SUNSET 524 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 39  
LOWEST DEW POINT 33  
AVERAGE DEW POINT 36   
.................................................................
 
 

 
 
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