Climatological Report (Monthly)
Issued by NWS
Issued by NWS
046
CXUS52 KKEY 011815
CLMMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
115 PM EST SUN NOV 01 2026
...................................
...THE MARATHON CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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 96 10/04/1989
10/04/1988
10/09/1971
LOW 56 10/28/1957
10/31/1953
HIGHEST 90 10/12 90 10/02
LOWEST 72 10/25 70 10/31
AVG. MAXIMUM 86.2 86.2 -0.0 85.2
AVG. MINIMUM 78.5 75.8 2.7 76.2
MEAN 82.3 81.0 1.3 80.7
DAYS MAX >= 90 1 4.6 -3.6 1
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 20.34 2011
MINIMUM 0.36 1988
TOTALS 1.14 5.90 -4.76 9.93
DAILY AVG. 0.04 0.19 -0.15 0.32
DAYS >= .01 11 11.7 -0.7 18
DAYS >= .10 2 7.0 -5.0 8
DAYS >= .50 1 3.1 -2.1 4
DAYS >= 1.00 0 1.6 -1.6 2
GREATEST
24 HR. TOTAL 0.80 10/01 TO 10/01
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0 0 0 0
COOLING TOTAL 546 496 50 493
SINCE 1/1 4598 4540 58 4589
................................................................
WIND (MPH)
AVERAGE WIND SPEED 9.0
HIGHEST WIND SPEED/DIRECTION 25/150 DATE 10/01
HIGHEST GUST SPEED/DIRECTION 42/170 DATE 10/01
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.20
NUMBER OF DAYS FAIR 25
NUMBER OF DAYS PC 6
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 78
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 6 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 2
LIGHT RAIN 15 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 5 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, OCTOBER 2026 AND 2026
RECORD OCT 2026 2026
====== ======== ========
MAXIMUM TEMPERATURE 0 0
COOL MAXIMUM TEMPERATURE 0 7
WARM MINIMUM TEMPERATURE 7 25
MINIMUM TEMPERATURE 0 2
RAINFALL 0 2
TOP 10 WARMEST OCTOBERS ON RECORD FOR MARATHON
RANKING YEAR AVERAGE (DEG F)
======= ==== ===============
1 2019 84.1
2 2002 83.8
3 1975 83.8
4 2018 82.6
2013 82.6
6 2007 82.5
7 2015 82.4
2005 82.4
9 2026 82.3
10 2020 82.2
TOP 10 DRIEST OCTOBERS ON RECORD FOR MARATHON
RANKING YEAR TOTAL (IN.)
======= ==== ===========
1 1988 0.36
2 2009 0.90
3 1984 1.11
4 2013 1.12
5 2026 1.14
6 1989 1.27
7 1992 1.28
8 2015 1.46
9 2003 1.49
1983 1.49
1962 1.49
BT