715  
CDHW40 PHFO 191245  
CLIHNL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST TUE OCT 19 2021  
   
...............................
 
 
   
..THE HONOLULU HI CLIMATE SUMMARY FOR OCTOBER 18 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 87 223 PM 91 1986 87 0 86  
MINIMUM 75 1154 PM 66 1971 74 1 76  
1999  
AVERAGE 81 80 1 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.68 1973 0.04 -0.04 0.11  
MONTH TO DATE 0.02 0.71 -0.69 0.61  
SINCE SEP 1 0.14 1.59 -1.45 0.71  
SINCE JAN 1 10.02 11.18 -1.16 10.59  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE SEP 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 SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 16 15 1 16  
MONTH TO DATE 295 286 9 292  
SINCE SEP 1 802 784 18 822  
SINCE JAN 1 4052 3861 191 4038    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 12.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 300 AM  
LOWEST 43 100 PM  
AVERAGE 55  
   
......................................................
 
 
THE HONOLULU HI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 1990  
1996  
2015  
MINIMUM TEMPERATURE (F) 74 66 1955  
1971  
 
SUNRISE AND SUNSET  
OCTOBER 19 2021.......SUNRISE 629 AM HST SUNSET 604 PM HST  
OCTOBER 20 2021.......SUNRISE 630 AM HST SUNSET 603 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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