Climatological Report (Monthly)
Issued by NWS
Issued by NWS
298
CXUS52 KKEY 012000
CLMMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
400 PM EDT THU AUG 1 2024
...................................
...THE MARATHON CLIMATE SUMMARY FOR THE MONTH OF JULY 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 99 07/24/2023
07/13/2023
07/15/1987
LOW 65 07/26/1953
HIGHEST 91 07/29 99 07/24
07/30 07/13
07/31
LOWEST 76 07/01 76 07/27
AVG. MAXIMUM 90.1 90.9 -0.8 96.0
AVG. MINIMUM 83.0 79.4 3.6 83.1
MEAN 86.5 85.2 1.3 89.5
DAYS MAX >= 90 26 25.5 0.5 30
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 10.59 2020
MINIMUM 0.31 1961
TOTALS 1.04 3.77 -2.73 3.51
DAILY AVG. 0.03 0.12 -0.09 0.11
DAYS >= .01 8 12.5 -4.5 7
DAYS >= .10 3 7.6 -4.6 4
DAYS >= .50 1 2.7 -1.7 2
DAYS >= 1.00 0 1.0 -1.0 1
GREATEST
24 HR. TOTAL 0.61 06/30 TO 07/01
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0 0 0 0
COOLING TOTAL 677 625 52 765
SINCE 1/1 3021 2830 191 3584
................................................................
WIND (MPH)
AVERAGE WIND SPEED 8.2
HIGHEST WIND SPEED/DIRECTION 23/070 DATE 07/01
HIGHEST GUST SPEED/DIRECTION 38/350 DATE 07/11
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.14
NUMBER OF DAYS FAIR 30
NUMBER OF DAYS PC 1
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 75
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 8 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 3
LIGHT RAIN 9 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 4 FOG W/VIS <= 1/4 MILE 0
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
MARATHON DAILY RECORDS, JULY 2024 AND 2024-TO-DATE
RECORD JUL 2024 2024
====== ======== ========
MAXIMUM TEMPERATURE 0 3
COOL MAXIMUM TEMPERATURE 0 0
WARM MINIMUM TEMPERATURE 8 31
MINIMUM TEMPERATURE 0 0
RAINFALL 0 4
TOP 10 WARMEST JULYS ON RECORD FOR MARATHON
RANKING YEAR AVERAGE (DEG F)
======= ==== ===============
1 2023 89.5
2 2009 87.6
3 2022 86.9
4 2015 86.8
5 2019 86.6
2002 86.6
7 2024 86.5 <---
2018 86.5
9 2017 86.4
2014 86.4
2005 86.4
TOP 10 DRIEST JULYS ON RECORD FOR MARATHON
RANKING YEAR TOTAL (IN.)
======= ==== ===========
1 1961 0.31
2 1956 0.49
3 1986 0.57
4 1962 1.02
5 2024 1.04 <---
6 2015 1.27
7 2008 1.35
8 1957 1.36
9 1993 1.62
1982 1.62
ROSS