166  
CXUS52 KKEY 020222  
CLMMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
922 PM EST SUN DEC 1 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2024  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 91 11/06/1988  
LOW 44 11/25/1970  
HIGHEST 87 11/02 88 11/10  
11/12 11/11  
LOWEST 63 11/23 64 11/29  
AVG. MAXIMUM 82.5 81.2 1.3 82.3  
AVG. MINIMUM 74.4 70.8 3.6 73.1  
MEAN 78.5 76.0 2.5 77.7  
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 7.90 2021  
MINIMUM 0.09 1966  
TOTALS 1.24 1.79 -0.55 7.36  
DAILY AVG. 0.04 0.06 -0.02 0.25  
DAYS >= .01 6 7.1 -1.1 4  
DAYS >= .10 3 3.2 -0.2 2  
DAYS >= .50 1 1.0 0.0 2  
DAYS >= 1.00 0 0.4 -0.4 1  
GREATEST  
24 HR. TOTAL 0.82 11/07 TO 11/07  
 
DEGREE DAYS  
HEATING TOTAL 0 1 -1 0  
SINCE 7/1 0 1 -1 0  
COOLING TOTAL 412 331 81 388  
SINCE 1/1 5233 4871 362 5870    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 10.6  
HIGHEST WIND SPEED/DIRECTION 26/100 DATE 11/06  
26/070 11/13  
HIGHEST GUST SPEED/DIRECTION 41/090 DATE 11/06  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.31  
NUMBER OF DAYS FAIR 18  
NUMBER OF DAYS PC 10  
NUMBER OF DAYS CLOUDY 2  
 
AVERAGE RH (PERCENT) 73  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 2 RAIN 4  
LIGHT RAIN 10 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 6 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.  
 

 
 
MARATHON DAILY RECORDS, NOVEMBER 2024 AND 2024-TO-DATE  
 
RECORD NOV 2024 2024  
====== ======== ========  
MAXIMUM TEMPERATURE 0 3  
COOL MAXIMUM TEMPERATURE 0 0  
WARM MINIMUM TEMPERATURE 6 51  
MINIMUM TEMPERATURE 0 0  
RAINFALL 0 4  
 
TOP 10 WARMEST NOVEMBERS ON RECORD FOR MARATHON  
 
RANKING YEAR AVERAGE (DEG F)  
======= ==== ===============  
1 2022 80.7  
2 2015 80.1  
3 1986 79.8  
4 1958 78.6  
5 2024 78.5 <---  
6 2020 78.2  
7 1985 78.1  
8 2016 78.0  
1988 78.0  
10 2013 77.9  
 
TOP 10 WARMEST AUTUMNS ON RECORD FOR MARATHON  
 
RANKING YEAR AVERAGE (DEG F)  
======= ==== ===============  
1 2022 82.5  
2 2015 82.4  
3 2019 82.2  
4 2024 81.9 <---  
2023 81.9  
6 2020 81.7  
7 2018 81.6  
2013 81.6  
9 1998 81.5  
10 2002 81.4  
 
NOTE: AUTUMN 1975 (AVERAGE TEMPERATURE OF 82.8F)  
WAS OMITTED FROM THIS TABLE DUE TO EXCESSIVE MISSING  
DATA IN THE SEPTEMBER-OCTOBER-NOVEMBER TIMEFRAME.  
 
ROSS  
 
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