858  
CDHW40 PHFO 220233  
CLIHNL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
433 PM HST THU OCT 21 2021  
   
...............................
 
 
   
..THE HONOLULU HI CLIMATE SUMMARY FOR OCTOBER 21 2021
 
 
VALID TODAY AS OF 0425 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 87 1227 PM 91 2015 87 0 85  
MINIMUM 73 638 AM 64 1955 74 -1 74  
AVERAGE 80 80 0 80  
 
PRECIPITATION (IN)  
TODAY 0.00 2.26 2020 0.06 -0.06 2.26  
MONTH TO DATE 0.02 0.87 -0.85 3.05  
SINCE SEP 1 0.14 1.75 -1.61 3.15  
SINCE JAN 1 10.02 11.34 -1.32 13.03  
 
SNOWFALL (IN)  
TODAY MM  
MONTH TO DATE MM  
SINCE SEP 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 15 15 0 15  
MONTH TO DATE 337 331 6 339  
SINCE SEP 1 844 829 15 869  
SINCE JAN 1 4094 3906 188 4085    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 4.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 700 AM  
LOWEST 51 200 PM  
AVERAGE 65  
   
......................................................
 
 
THE HONOLULU HI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 90 1976  
1977  
1994  
MINIMUM TEMPERATURE (F) 74 67 1955  
1975  
 
SUNRISE AND SUNSET  
OCTOBER 21 2021.......SUNRISE 630 AM HST SUNSET 602 PM HST  
OCTOBER 22 2021.......SUNRISE 630 AM HST SUNSET 602 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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