183  
CDHW40 PHFO 250234  
CLIHNL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
434 PM HST FRI SEP 24 2021  
   
...............................
 
 
   
..THE HONOLULU HI CLIMATE SUMMARY FOR SEPTEMBER 24 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 87 135 PM 93 1966 88 -1 90  
1991  
1995  
MINIMUM 74 811 AM 68 1955 75 -1 79  
AVERAGE 81 81 0 85  
 
PRECIPITATION (IN)  
TODAY 0.01 0.68 1983 0.02 -0.01 T  
MONTH TO DATE 0.08 0.72 -0.64 0.09  
SINCE SEP 1 0.08 0.72 -0.64 0.09  
SINCE JAN 1 9.96 10.31 -0.35 9.97  
 
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 16 16 0 20  
MONTH TO DATE 405 401 4 427  
SINCE SEP 1 405 401 4 427  
SINCE JAN 1 3655 3478 177 3643    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 900 AM  
LOWEST 51 300 PM  
AVERAGE 70  
   
......................................................
 
 
THE HONOLULU HI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 93 1966  
1991  
MINIMUM TEMPERATURE (F) 75 69 1955  
1971  
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2021.....SUNRISE 621 AM HST SUNSET 626 PM HST  
SEPTEMBER 25 2021.....SUNRISE 621 AM HST SUNSET 625 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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