Climatological Report (Monthly)
Issued by NWS Key West, FL
Issued by NWS Key West, FL
000 CXUS52 KKEY 011450 CLMEYW CLIMATE REPORT NATIONAL WEATHER SERVICE KEY WEST FL 1050 AM EDT SUN OCT 01 2023 ................................... ...THE KEY WEST CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1871 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 95 09/20/2018 09/03/2007 09/02/1956 LOW 69 09/17/1985 09/30/1945 09/02/1898 HIGHEST 95R 09/14 92 09/23 09/24 LOWEST 72 09/24 73 09/08 AVG. MAXIMUM 90.4 89.0 1.4 88.5 AVG. MINIMUM 80.5 79.2 1.3 78.3 MEAN 85.4 84.1 1.3 83.4 DAYS MAX >= 90 17 9.6 7.4 8 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 18.45 1963 MINIMUM 1.71 1961 TOTALS 8.77 7.24 1.53 12.06 DAILY AVG. 0.29 0.24 0.05 0.40 DAYS >= .01 16 15.8 0.2 15 DAYS >= .10 11 10.2 0.8 10 DAYS >= .50 5 4.0 1.0 6 DAYS >= 1.00 4 1.9 2.1 5 GREATEST 24 HR. TOTAL 2.47 09/24 TO 09/24 DEGREE DAYS HEATING TOTAL 0 0 0 0 SINCE 7/1 0 0 0 COOLING TOTAL 620 573 47 559 SINCE 1/1 4619 4009 610 ................................................................ WIND (MPH) AVERAGE WIND SPEED 7.1 HIGHEST WIND SPEED/DIRECTION 41/230 DATE 09/24 HIGHEST GUST SPEED/DIRECTION 59/230 DATE 09/24 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.27 NUMBER OF DAYS FAIR 23 NUMBER OF DAYS PC 6 NUMBER OF DAYS CLOUDY 1 AVERAGE RH (PERCENT) 75 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 15 MIXED PRECIP 0 HEAVY RAIN 10 RAIN 10 LIGHT RAIN 19 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 15 FOG W/VIS <= 1/4 MILE 1 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$ KEY WEST DAILY RECORDS, SEPTEMBER 2023 AND 2023-TO-DATE RECORD SEP 2023 2023 ====== ======== ======== MAXIMUM TEMPERATURE 5 26 COOL MAXIMUM TEMPERATURE 0 0 WARM MINIMUM TEMPERATURE 6 51 MINIMUM TEMPERATURE 1 1 RAINFALL 1 2 TOP 10 WARMEST SEPTEMBERS ON RECORD FOR KEY WEST RANKING YEAR AVERAGE (DEG F) ======= ==== =============== 1 2018 85.8 2 2020 85.6 3 2023 85.4 <--- 4 1951 85.2 5 1989 85.1 1872 85.1 7 2007 85.0 2003 85.0 9 2015 84.9 2011 84.9 1987 84.9 BT/NB