447  
CDUS45 KPSR 120813  
CLIPHX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PHOENIX AZ  
112 AM MST WED DEC 12 2018  
 
   
...............................
 
 
   
..THE PHOENIX AZ CLIMATE SUMMARY FOR DECEMBER 11 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 72 125 PM 81 1977 66 6 76  
1950  
1934  
MINIMUM 53 1157 PM 26 1916 45 8 52  
AVERAGE 63 56 7 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.87 1927 0.03 -0.03 0.00  
MONTH TO DATE 0.05 0.31 -0.26 0.07  
SINCE OCT 1 5.75 1.54 4.21 0.07  
SINCE JAN 1 9.15 7.46 1.69 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 2 10 -8 1  
MONTH TO DATE 78 94 -16 35  
SINCE DEC 1 78 94 -16 35  
SINCE JUL 1 153 197 -44 36  
 
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 NE (60)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 1100 PM  
LOWEST 25 100 PM  
AVERAGE 46  
   
......................................................
 
 
THE PHOENIX AZ CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 79 2010  
MINIMUM TEMPERATURE (F) 45 28 1971  
1949  
 
SUNRISE AND SUNSET  
DECEMBER 12 2018......SUNRISE 723 AM MST SUNSET 521 PM MST  
DECEMBER 13 2018......SUNRISE 723 AM MST SUNSET 521 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 42  
LOWEST DEW POINT 32  
AVERAGE DEW POINT 37   
.................................................................
 
 

 
 
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