377  
CDHW43 PHFO 201245  
CLIITO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
245 AM HST WED AUG 20 2025  
   
...............................  
 
   
..THE HILO HI CLIMATE SUMMARY FOR AUGUST 19 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1949 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85 MM 89 2019 83 2 83  
MINIMUM 71 MM 66 1963 70 1 68  
1983  
AVERAGE 78 77 1 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 1.72 2005 0.36 -0.30 0.00  
MONTH TO DATE 0.82 6.99 -6.17 3.02  
SINCE JUN 1 9.95 23.53 -13.58 11.74  
SINCE JAN 1 34.68 70.68 -36.00 59.68  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 13 12 1 11  
MONTH TO DATE 246 228 18 227  
SINCE JUN 1 974 888 86 970  
SINCE JAN 1 2357 1978 379 2159    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 500 AM  
LOWEST 50 100 PM  
AVERAGE 72  
   
......................................................  
 
THE HILO HI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 89 1963  
MINIMUM TEMPERATURE (F) 70 64 1983  
 
SUNRISE AND SUNSET  
AUGUST 20 2025........SUNRISE 602 AM HST SUNSET 645 PM HST  
AUGUST 21 2025........SUNRISE 602 AM HST SUNSET 644 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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