742  
CDUS42 KEYW 122021  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST, FL  
420 PM EDT THU SEP 12 2019  
 
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 12 2019
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1950 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 91 242 PM 93 2015 90 1 90  
2007  
MINIMUM 79 205 AM 71 1956 79 0 80  
1953  
AVERAGE 85 84 1 85  
 
PRECIPITATION (IN)  
TODAY T 1.13 1995 0.27 -0.27 0.00  
MONTH TO DATE 0.94 3.21 -2.27 1.43  
SINCE SEP 1 0.94 3.21 -2.27 1.43  
SINCE JAN 1 22.89 32.03 -9.14 26.26  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 20 19 1 20  
MONTH TO DATE 255 231 24 220  
SINCE SEP 1 255 231 24 220  
SINCE JAN 1 4541 3617 924 3809    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 14.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79  
LOWEST 64  
AVERAGE 72  
   
......................................................
 
 
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 95 2015  
MINIMUM TEMPERATURE (F) 79 68 1954  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2019.....SUNRISE 709 AM EDT SUNSET 732 PM EDT  
SEPTEMBER 13 2019.....SUNRISE 710 AM EDT SUNSET 731 PM EDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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