016
CDUS42 KKEY 202130
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
530 PM EDT WED MAY 20 2026
...............................
..THE MARATHON CLIMATE SUMMARY FOR MAY 20 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1950 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 86 237 PM 92 2008 88 -2 86
2023
MINIMUM 74 844 AM 68 1956 76 -2 81
AVERAGE 80 82 -2 84
PRECIPITATION (IN)
TODAY 0.46 7.08 2024 0.12 0.34 0.00
MONTH TO DATE 4.50 1.95 2.55 1.71
SINCE MAR 1 9.59 5.39 4.20 2.32
SINCE JAN 1 10.46 8.73 1.73 4.82
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 5 -5 0
SINCE JUL 1 112 71 41 31
COOLING
TODAY 15 17 -2 19
MONTH TO DATE 330 321 9 338
SINCE MAR 1 1067 1022 45 1038
SINCE JAN 1 1369 1428 -59 1460
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 12.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94
LOWEST 70
AVERAGE 82
......................................................
THE MARATHON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 92 2008
2019
2023
MINIMUM TEMPERATURE (F) 76 69 1954
1994
SUNRISE AND SUNSET
MAY 20 2026...........SUNRISE 638 AM EDT SUNSET 804 PM EDT
MAY 21 2026...........SUNRISE 638 AM EDT SUNSET 804 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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