503  
CXHW53 PHFO 011625  
CLMITO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HONOLULU HI  
625 AM HST MON FEB 01 2021  
   
...............................
 
 
   
..THE HILO HI CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2021
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1949 TO 2021  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 92 01/28/1997  
LOW 54 01/10/1995  
01/19/1980  
01/21/1980  
HIGHEST 85 01/13 79 6 89 01/08  
01/15  
LOWEST 63 01/13 64 -1 64 01/28  
AVG. MAXIMUM 81.5 79.0 2.5 82.8  
AVG. MINIMUM 66.5 63.8 2.7 68.5  
MEAN 74.0 71.4 2.6 75.7  
DAYS MAX >= 90 0 MM  
DAYS MAX >= 93 0 MM  
DAYS MAX <= 80 7 MM  
DAYS MIN >= 72 0 MM  
DAYS MIN <= 60 0 MM  
DAYS MIN <= 55 0 MM  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 32.24 1979  
MINIMUM 0.13 1998  
TOTALS 17.47 9.26 8.21 14.97  
DAILY AVG. 0.56 0.30 0.26 0.52  
DAYS >= .01 25 16.3 8.7 24  
DAYS >= .10 18 11.2 6.8 15  
DAYS >= .50 12 5.1 6.9 10  
DAYS >= 1.00 4 2.7 1.3 4  
GREATEST  
24 HR. TOTAL 5.78 01/25 TO 01/26 3.21  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL 0.0 5  
TOTALS MM 0.0 MM 0.0  
SINCE 7/1 MM 0.0 MM MM  
SNOWDEPTH AVG. MM MM  
DAYS >= 1.0 MM 0.0 MM 0  
GREATEST  
SNOW DEPTH MM MM MM  
24 HR TOTAL MM 0.0  
 
DEGREE DAYS  
HEATING TOTAL 0 0 0 0  
SINCE 7/1 0 0 0 0  
COOLING TOTAL 286 198 88 317  
SINCE 1/1 286 198 88 317    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 5.9  
HIGHEST WIND SPEED/DIRECTION 22/130 DATE 01/25  
22/100 01/27  
HIGHEST GUST SPEED/DIRECTION 28/120 DATE 01/25  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.66  
NUMBER OF DAYS FAIR 4  
NUMBER OF DAYS PC 15  
NUMBER OF DAYS CLOUDY 12  
 
AVERAGE RH (PERCENT) 73  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 1 MIXED PRECIP 0  
HEAVY RAIN 14 RAIN 14  
LIGHT RAIN 22 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 10 FOG W/VIS <= 1/4 MILE 1  
HAZE 7  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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