409
CXUS52 KKEY 020118
CLMMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
918 PM EDT SAT AUG 1 2026
...............................
..THE MARATHON CLIMATE SUMMARY FOR THE MONTH OF JULY 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1950 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 99 07/24/2023
07/13/2023
07/15/1987
LOW 65 07/26/1953
HIGHEST 93 07/16 93 07/13
LOWEST 74 07/10 75 07/14
07/11
AVG. MAXIMUM 89.8 90.9 -1.1 89.1
AVG. MINIMUM 82.1 79.4 2.7 80.8
MEAN 86.0 85.2 0.8 85.0
DAYS MAX >= 90 17 26.0 -9.0 14
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 10.59 2020
MINIMUM 0.31 1961
TOTALS 2.78 3.77 -0.99 2.05
DAILY AVG. 0.09 0.12 -0.03 0.07
DAYS >= .01 10 12.5 -2.5 13
DAYS >= .10 5 7.6 -2.6 5
DAYS >= .50 2 2.7 -0.7 1
DAYS >= 1.00 1 1.0 0.0 0
GREATEST
24 HR. TOTAL 1.63 07/10 TO 07/11
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0 0 0 0
COOLING TOTAL 659 625 34 628
SINCE 1/1 2816 2830 -14 2891
............................................................
WIND (MPH)
AVERAGE WIND SPEED 7.4
HIGHEST WIND SPEED/DIRECTION 26/180 DATE 07/10
HIGHEST GUST SPEED/DIRECTION 49/190 DATE 07/10
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.19
NUMBER OF DAYS FAIR 29
NUMBER OF DAYS PC 2
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 73
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 9 MIXED PRECIP 0
HEAVY RAIN 5 RAIN 6
LIGHT RAIN 11 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 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
MARATHON DAILY RECORDS, JULY 2026 AND 2026
RECORD JUL 2026 2026
====== ======== ========
MAXIMUM TEMPERATURE 0 0
COOL MAXIMUM TEMPERATURE 0 7
WARM MINIMUM TEMPERATURE 6 14
MINIMUM TEMPERATURE 0 2
RAINFALL 0 2
ROSS
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1 2023 87.7
2 2024 87.0
3 2018 86.9
4 2007 86.8
5 1967 86.7
1881 86.7
7 2014 86.3
2009 86.3
1880 86.3
10 2026 86.1 <---
1962 86.1
1957 86.1
ROSS
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