Climatological Report (Daily)
Issued by NWS
Issued by NWS
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912
CDUS42 KKEY 150528
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
128 AM EDT TUE SEP 15 2026
...................................
...THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 14 2026...
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)
YESTERDAY
MAXIMUM 91 119 PM 95 2023 90 1 88
MINIMUM 81 632 AM 67 1954 78 3 78
AVERAGE 86 84 2 83
PRECIPITATION (IN)
YESTERDAY 0.00 1.80 1990 0.20 -0.20 0.00
MONTH TO DATE 0.58 2.85 -2.27 5.30
SINCE SEP 1 0.58 2.85 -2.27 5.30
SINCE JAN 1 16.45 26.31 -9.86 21.90
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 21 19 2 18
MONTH TO DATE 296 276 20 255
SINCE SEP 1 296 276 20 255
SINCE JAN 1 3769 3746 23 3803
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 3.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 62
AVERAGE 75
..........................................................
THE MARATHON CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 94 2022
2023
MINIMUM TEMPERATURE (F) 78 68 1954
SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE 710 AM EDT SUNSET 728 PM EDT
SEPTEMBER 16 2026.....SUNRISE 711 AM EDT SUNSET 727 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$