674  
CXUS52 KKEY 071936 AAA  
CLMEYW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
843 PM EDT FRI APR 2 2021  
   
...............................
 
 
   
..THE KEY WEST CLIMATE SUMMARY FOR THE MONTH OF MARCH 2021
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2021  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 89 03/01/1874  
03/25/1873  
LOW 47 03/03/1986  
HIGHEST 85 03/30 85 03/30  
03/31  
03/29  
03/26  
LOWEST 63 03/08 61 03/01  
03/23  
AVG. MAXIMUM 80.5 78.2 2.3 81.6  
AVG. MINIMUM 71.5 68.3 3.2 73.2  
MEAN 76.0 73.2 2.8 77.4  
DAYS MAX >= 90 0 0.0 0.0 0  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 0 0.0 0.0 0  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 9.69 1987  
MINIMUM T 1971  
TOTALS 0.05 2.05 -2.00 0.02  
DAILY AVG. 0.00 0.07 -0.07 0.00  
DAYS >= .01 2 5.8 -3.8 2  
DAYS >= .10 0 3.5 -3.5 0  
DAYS >= .50 0 1.4 -1.4 0  
DAYS >= 1.00 0 0.5 -0.5 0  
GREATEST  
24 HR. TOTAL 0.05 03/06 TO 03/07  
 
DEGREE DAYS  
HEATING TOTAL 0 7 -7 0  
SINCE 7/1 23 66 -43 11  
COOLING TOTAL 347 262 85 393  
SINCE 1/1 768 610 158 939    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 11.8  
HIGHEST WIND SPEED/DIRECTION 25/030 DATE 03/08  
HIGHEST GUST SPEED/DIRECTION 34/030 DATE 03/08  
34/060 03/09  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.31  
NUMBER OF DAYS FAIR 14  
NUMBER OF DAYS PC 17  
NUMBER OF DAYS CLOUDY 0  
 
AVERAGE RH (PERCENT) 70  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 0 RAIN 0  
LIGHT RAIN 4 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 0 FOG W/VIS <= 1/4 MILE 0  
HAZE 0  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
KEY WEST DAILY RECORDS, MARCH 2021 AND YEAR-TO-DATE  
 
RECORD MAR 2021 2021 YTD  
====== ======== ========  
MAXIMUM TEMPERATURE 0 1  
COOL MAXIMUM TEMPERATURE 0 0  
WARM MINIMUM TEMPERATURE 3 7  
MINIMUM TEMPERATURE 0 0  
RAINFALL 0 0  
 
TOP 10 DRIEST MARCHES ON RECORD FOR KEY WEST  
 
RANKING YEAR TOTAL (INCHES)  
======= ==== ==============  
1 1971 TRACE  
1907 TRACE  
1893 TRACE  
4 1965 0.01  
1882 0.01  
6 2020 0.02  
7 1945 0.04  
1873 0.04  
9 2021 0.05  
2006 0.05  
1976 0.05  
 
ROSS/WLC  
 
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