717  
CDHW40 PHFO 181245  
CLIHNL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST SAT DEC 18 2021  
   
...............................
 
 
   
..THE HONOLULU HI CLIMATE SUMMARY FOR DECEMBER 17 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 82 158 PM 88 1992 82 0 86  
MINIMUM 70 718 AM 57 1980 69 1 70  
1989  
AVERAGE 76 75 1 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.47 1971 0.07 -0.06 T  
MONTH TO DATE 9.68 1.08 8.60 0.04  
SINCE DEC 1 9.68 1.08 8.60 0.04  
SINCE JAN 1 19.82 15.31 4.51 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 13  
MONTH TO DATE 147 190 -43 220  
SINCE DEC 1 147 190 -43 220  
SINCE JAN 1 4789 4630 159 4891    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 700 AM  
LOWEST 64 400 PM  
AVERAGE 74  
   
......................................................
 
 
THE HONOLULU HI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 88 1995  
MINIMUM TEMPERATURE (F) 69 57 1954  
1988  
1989  
 
SUNRISE AND SUNSET  
DECEMBER 18 2021......SUNRISE 703 AM HST SUNSET 554 PM HST  
DECEMBER 19 2021......SUNRISE 704 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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