984  
CDUS45 KPSR 212340  
CLIPHX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PHOENIX AZ  
437 PM MST FRI DEC 21 2018  
 
   
...............................
 
 
   
..THE PHOENIX AZ CLIMATE SUMMARY FOR DECEMBER 21 2018
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 69 311 PM 77 1985 65 4 57  
1950  
1917  
MINIMUM 49 340 AM 27 1897 44 5 43  
AVERAGE 59 55 4 50  
 
PRECIPITATION (IN)  
TODAY 0.00 0.52 1943 0.03 -0.03 0.00  
MONTH TO DATE 0.05 0.60 -0.55 0.23  
SINCE OCT 1 5.75 1.83 3.92 0.23  
SINCE JAN 1 9.15 7.75 1.40 4.96  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE JAN 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 6 10 -4 15  
MONTH TO DATE 152 194 -42 107  
SINCE DEC 1 152 194 -42 107  
SINCE JUL 1 227 297 -70 108  
 
COOLING  
TODAY 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 SE (120)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 63 100 AM  
LOWEST 24 300 PM  
AVERAGE 44  
   
......................................................
 
 
THE PHOENIX AZ CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 79 1917  
MINIMUM TEMPERATURE (F) 44 23 1897  
 
SUNRISE AND SUNSET  
DECEMBER 21 2018......SUNRISE 728 AM MST SUNSET 524 PM MST  
DECEMBER 22 2018......SUNRISE 729 AM MST SUNSET 525 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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