821  
CDHW40 PHFO 171245  
CLIHNL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST FRI DEC 17 2021  
   
...............................
 
 
   
..THE HONOLULU HI CLIMATE SUMMARY FOR DECEMBER 16 2021
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1940 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 83 251 PM 88 1995 82 1 85  
MINIMUM 68 651 AM 56 1989 69 -1 73  
AVERAGE 76 76 0 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.15 1968 0.07 -0.07 T  
MONTH TO DATE 9.67 1.01 8.66 0.04  
SINCE DEC 1 9.67 1.01 8.66 0.04  
SINCE JAN 1 19.81 15.24 4.57 13.38  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE DEC 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 11 10 1 14  
MONTH TO DATE 136 180 -44 207  
SINCE DEC 1 136 180 -44 207  
SINCE JAN 1 4778 4620 158 4878    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 600 AM  
LOWEST 53 1200 PM  
AVERAGE 70  
   
......................................................
 
 
THE HONOLULU HI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 88 1992  
MINIMUM TEMPERATURE (F) 69 57 1980  
1989  
 
SUNRISE AND SUNSET  
DECEMBER 17 2021......SUNRISE 703 AM HST SUNSET 553 PM HST  
DECEMBER 18 2021......SUNRISE 703 AM HST SUNSET 554 PM HST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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