Climatological Report (Monthly)
Issued by NWS
Issued by NWS
183
CXUS52 KKEY 012122
CLMMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
522 PM EDT SAT NOV 1 2025
...................................
...THE MARATHON CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1950 TO 2025
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 10/02 90 10/02
10/03
10/04
LOWEST 70 10/31 74 10/17
10/21
AVG. MAXIMUM 85.2 86.2 -1.0 85.6
AVG. MINIMUM 76.2 75.8 0.4 77.2
MEAN 80.7 81.0 -0.3 81.4
DAYS MAX >= 90 1 4.6 -3.6 3
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 9.93 5.90 4.03 7.05
DAILY AVG. 0.32 0.19 0.13 0.23
DAYS >= .01 18 11.7 6.3 13
DAYS >= .10 8 7.0 1.0 8
DAYS >= .50 4 3.1 0.9 5
DAYS >= 1.00 2 1.6 0.4 2
GREATEST
24 HR. TOTAL 5.22 10/10 TO 10/10
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0 0 0 0
COOLING TOTAL 493 496 -3 517
SINCE 1/1 4589 4540 49 4821
................................................................
WIND (MPH)
AVERAGE WIND SPEED 8.1
HIGHEST WIND SPEED/DIRECTION 25/070 DATE 10/26
HIGHEST GUST SPEED/DIRECTION 39/120 DATE 10/26
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.32
NUMBER OF DAYS FAIR 21
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 79
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 7 MIXED PRECIP 0
HEAVY RAIN 9 RAIN 6
LIGHT RAIN 22 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 18 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 2025 AND 2025-TO-DATE
RECORD OCT 2025 2025
====== ======== ========
MAXIMUM TEMPERATURE 0 0
COOL MAXIMUM TEMPERATURE 0 2
WARM MINIMUM TEMPERATURE 0 18
MINIMUM TEMPERATURE 0 0
RAINFALL 1 4
TOP 10 WETTEST OCTOBERS ON RECORD FOR MARATHON
RANKING YEAR TOTAL (IN.)
======= ==== ===========
1 2011 20.34
2 1999 18.20
3 1995 13.84
4 2020 13.39
5 1996 11.09
6 2010 10.84
7 1964 10.61
8 2025 9.93 <---
9 1953 9.83
10 1969 9.55
ROSS