Climatological Report (Monthly)
Issued by NWS
Issued by NWS
963
CXUS52 KKEY 040043
CLMMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
843 PM EDT WED SEP 03 2025
...................................
...THE MARATHON CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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 98 08/10/1987
08/15/1964
08/22/1952
LOW 67 08/27/1957
HIGHEST 93 08/20 MM MM 94 08/15
08/22
08/30
LOWEST 75 08/07 MM MM 76 08/28
AVG. MAXIMUM 90.6 91.6 -1.0 90.5
AVG. MINIMUM 81.2 79.7 1.5 80.8
MEAN 85.9 85.6 0.3 85.6
DAYS MAX >= 90 25 27.4 -2.4 23
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 13.12 2008
MINIMUM 1.40 1990
TOTALS 3.48 5.32 -1.84 8.81
DAILY AVG. 0.11 0.17 -0.06 0.28
DAYS >= .01 11 14.3 -3.3 21
DAYS >= .10 6 8.1 -2.1 13
DAYS >= .50 1 3.2 -2.2 7
DAYS >= 1.00 1 1.4 -0.4 3
GREATEST
24 HR. TOTAL 1.93 08/07 TO 08/08
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0 0 0 MM
COOLING TOTAL 657 640 17 647
SINCE 1/1 3548 3470 78 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.6
HIGHEST WIND SPEED/DIRECTION 25/090 DATE 08/11
HIGHEST GUST SPEED/DIRECTION 33/100 DATE 08/11
33/260 08/31
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.17
NUMBER OF DAYS FAIR 30
NUMBER OF DAYS PC 1
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 73
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 16 MIXED PRECIP 0
HEAVY RAIN 5 RAIN 5
LIGHT RAIN 16 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 8 FOG W/VIS <= 1/4 MILE 1
HAZE 8
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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