Climatological Report (Monthly)
Issued by NWS
Issued by NWS
162
CXUS52 KKEY 042118
CLMMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
518 PM EDT TUE JUN 04 2024
...................................
...THE MARATHON CLIMATE SUMMARY FOR THE MONTH OF MAY 2024...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1950 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 96 05/14/2019
LOW 61 05/10/1963
HIGHEST 92 05/18 93 05/18
05/19
LOWEST 72 05/20 69 05/02
AVG. MAXIMUM 88.0 87.5 0.5 89.7
AVG. MINIMUM 80.2 75.8 4.4 75.6
MEAN 84.1 81.7 2.4 82.7
DAYS MAX >= 90 9 7.4 1.6 18
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 15.66 2020
MINIMUM T 1989
TOTALS 7.11 3.36 3.75 3.73
DAILY AVG. 0.23 0.11 0.12 0.12
DAYS >= .01 2 7.9 -5.9 10
DAYS >= .10 1 4.6 -3.6 8
DAYS >= .50 1 2.1 -1.1 3
DAYS >= 1.00 1 1.1 -0.1 1
GREATEST
24 HR. TOTAL 7.08 05/20 TO 05/20
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 8 71 -63 44
COOLING TOTAL 596 516 80 554
SINCE 1/1 1766 1623 143 2193
................................................................
WIND (MPH)
AVERAGE WIND SPEED 8.1
HIGHEST WIND SPEED/DIRECTION 23/070 DATE 05/31
HIGHEST GUST SPEED/DIRECTION 36/250 DATE 05/20
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.18
NUMBER OF DAYS FAIR 30
NUMBER OF DAYS PC 1
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 74
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 1
LIGHT RAIN 4 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 2 FOG W/VIS <= 1/4 MILE 0
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
MARATHON DAILY RECORDS, MAY 2024 AND 2024-TO-DATE
RECORD MAY 2024 2024
====== ======== ========
MAXIMUM TEMPERATURE 0 3
COOL MAXIMUM TEMPERATURE 0 0
WARM MINIMUM TEMPERATURE 11 20
MINIMUM TEMPERATURE 0 0
RAINFALL 1 3
TOP 10 WARMEST MAYS ON RECORD FOR MARATHON
RANKING YEAR AVERAGE (DEG F)
======= ==== ===============
1 2019 85.9
2 2024 84.1
2003 84.1
4 2002 83.4
5 2011 83.3
2008 83.3
7 2017 83.1
8 2023 82.7
1950 82.7
10 2022 82.6
TOP 10 WETTEST MAYS ON RECORD FOR MARATHON
RANKING YEAR TOTAL (IN.)
======= ==== ===========
1 2020 15.66
2 1968 15.47
3 2013 11.87
4 1960 11.02
5 2018 9.70
6 1959 9.45
7 1994 8.80
8 2024 7.11
9 1988 6.66
10 1991 6.41
BT