268  
CXUS52 KMFL 011403  
CLMAPF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MIAMI, FL  
903 AM EST FRI JAN 01 2021  
   
...............................
 
 
   
..THE NAPLES CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2020
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1942 TO 2020  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 89 12/25/2015  
12/01/1995  
12/07/1978  
LOW 27 12/26/1983  
12/13/1962  
HIGHEST 83 12/31 88 12/16  
LOWEST 43 12/26 49 12/03  
AVG. MAXIMUM 74.5 76.6 -2.1 80.1  
AVG. MINIMUM 55.7 57.0 -1.3 63.5  
MEAN 65.1 66.8 -1.7 71.8  
DAYS MAX >= 90 0 0  
DAYS MAX <= 32 0 0  
DAYS MIN <= 32 0 0  
DAYS MIN <= 0 0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 6.28 1997  
MINIMUM T 1975  
TOTALS 2.83 1.45 1.38 3.97  
DAILY AVG. 0.09 0.05 0.04 0.13  
DAYS >= .01 4 10  
DAYS >= .10 2 4  
DAYS >= .50 1 3  
DAYS >= 1.00 1 2  
GREATEST  
24 HR. TOTAL 2.74 12/06 TO 12/07 1.84  
 
DEGREE DAYS  
HEATING TOTAL 75 64 11 9  
SINCE 7/1 75 75 0 15  
COOLING TOTAL 87 120 -33 228  
SINCE 1/1 4891 3939 952 4820    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 7.6  
HIGHEST WIND SPEED/DIRECTION 28/310 DATE 12/07  
HIGHEST GUST SPEED/DIRECTION 39/300 DATE 12/07  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.24  
NUMBER OF DAYS FAIR 23  
NUMBER OF DAYS PC 7  
NUMBER OF DAYS CLOUDY 1  
 
AVERAGE RH (PERCENT) 74  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 2 RAIN 2  
LIGHT RAIN 5 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 0  
HAZE 1  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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