460  
CDHW40 PHFO 201245  
CLIHNL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST MON DEC 20 2021  
   
...............................
 
 
   
..THE HONOLULU HI CLIMATE SUMMARY FOR DECEMBER 19 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 81 322 PM 88 1995 82 -1 84  
MINIMUM 71 536 AM 58 1972 69 2 73  
AVERAGE 76 75 1 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 5.41 2010 0.08 -0.04 0.02  
MONTH TO DATE 9.72 1.23 8.49 0.06  
SINCE DEC 1 9.72 1.23 8.49 0.06  
SINCE JAN 1 19.86 15.46 4.40 13.40  
 
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 169 210 -41 249  
SINCE DEC 1 169 210 -41 249  
SINCE JAN 1 4811 4650 161 4920    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 12.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 500 AM  
LOWEST 56 100 PM  
AVERAGE 69  
   
......................................................
 
 
THE HONOLULU HI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 87 1979  
1995  
MINIMUM TEMPERATURE (F) 69 54 1962  
 
SUNRISE AND SUNSET  
DECEMBER 20 2021......SUNRISE 705 AM HST SUNSET 555 PM HST  
DECEMBER 21 2021......SUNRISE 705 AM HST SUNSET 555 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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