701
CXUS52 KKEY 011511
CLMEYW
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
1111 AM EDT TUE OCT 1 2024
...............................
..THE KEY WEST CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2024
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 95 09/14/2023
09/20/2018
09/03/2007
LOW 69 09/17/1985
09/30/1945
09/02/1898
HIGHEST 94 09/14 95 09/14
LOWEST 76 09/18 72 09/24
AVG. MAXIMUM 90.4 89.0 1.4 90.4
AVG. MINIMUM 81.9 79.2 2.7 80.5
MEAN 86.2 84.1 2.1 85.4
DAYS MAX >= 90 21 9.6 11.4 17
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 18.45 1963
MINIMUM 1.71 1961
TOTALS 3.34 7.24 -3.90 8.77
DAILY AVG. 0.11 0.24 -0.13 0.29
DAYS >= .01 10 15.8 -5.8 16
DAYS >= .10 8 10.2 -2.2 11
DAYS >= .50 2 4.0 -2.0 5
DAYS >= 1.00 1 1.9 -0.9 4
GREATEST
24 HR. TOTAL 1.38 09/24 TO 09/25
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0 0 0 0
COOLING TOTAL 643 573 70 620
SINCE 1/1 4352 4009 343 4619
............................................................
WIND (MPH)
AVERAGE WIND SPEED 9.2
HIGHEST WIND SPEED/DIRECTION 45/160 DATE 09/26
HIGHEST GUST SPEED/DIRECTION 60/160 DATE 09/26
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.24
NUMBER OF DAYS FAIR 17
NUMBER OF DAYS PC 5
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 76
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 10 MIXED PRECIP 0
HEAVY RAIN 6 RAIN 5
LIGHT RAIN 9 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 7 FOG W/VIS <= 1/4 MILE 0
HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
KEY WEST DAILY RECORDS, SEPTEMBER 2024 AND 2024-TO-DATE
RECORD SEP 2024 2024
====== ======== ========
MAXIMUM TEMPERATURE 0 10
COOL MAXIMUM TEMPERATURE 0 1
WARM MINIMUM TEMPERATURE 11 42
MINIMUM TEMPERATURE 0 0
RAINFALL 0 3
TOP 10 WARMEST SEPTEMBERS ON RECORD FOR KEY WEST
RANKING YEAR AVERAGE (DEG F)
======= ==== ===============
1 2024 86.2 <---
2 2018 85.8
3 2020 85.6
4 2023 85.4
5 1951 85.2
6 1989 85.1
1872 85.1
8 2007 85.0
2003 85.0
10 2015 84.9
2011 84.9
1987 84.9
ROSS
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