330  
CDHW40 PHFO 260235  
CLIHNL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
435 PM HST SAT SEP 25 2021  
   
...............................
 
 
   
..THE HONOLULU HI CLIMATE SUMMARY FOR SEPTEMBER 25 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 88 118 PM 93 1966 88 0 90  
1991  
MINIMUM 73 603 AM 69 1955 75 -2 75  
1971  
AVERAGE 81 81 0 83  
 
PRECIPITATION (IN)  
TODAY 0.01 1.11 2019 0.03 -0.02 T  
MONTH TO DATE 0.12 0.75 -0.63 0.09  
SINCE SEP 1 0.12 0.75 -0.63 0.09  
SINCE JAN 1 10.00 10.34 -0.34 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 18  
MONTH TO DATE 421 417 4 445  
SINCE SEP 1 421 417 4 445  
SINCE JAN 1 3671 3494 177 3661    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 10.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 400 AM  
LOWEST 51 1200 PM  
AVERAGE 64  
   
......................................................
 
 
THE HONOLULU HI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 92 1995  
MINIMUM TEMPERATURE (F) 75 70 1961  
1970  
1999  
 
SUNRISE AND SUNSET  
SEPTEMBER 25 2021.....SUNRISE 621 AM HST SUNSET 625 PM HST  
SEPTEMBER 26 2021.....SUNRISE 622 AM HST SUNSET 624 PM HST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab HI Page Main Text Page