Climatological Report (Monthly) Issued by NWS Key West, FL
000
CXUS52 KKEY 031920
CLMEYW
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST, FL
320 PM EDT TUE APR 3 2018
...................................
...THE KEY WEST CLIMATE SUMMARY FOR THE MONTH OF MARCH 2018...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 89 03/01/1874
03/25/1873
LOW 47 03/03/1986
HIGHEST 83 03/20 86 03/02
03/18
03/01
LOWEST 59 03/15 59 03/16
03/13
AVG. MAXIMUM 77.5 78.2 -0.7 79.6
AVG. MINIMUM 66.7 68.3 -1.6 69.7
MEAN 72.1 73.2 -1.1 74.7
DAYS MAX >= 90 0 0.0 0.0 0
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 9.69 1987
MINIMUM T 1971
TOTALS 2.12 2.05 0.07 0.93
DAILY AVG. 0.07 0.07 0.00 0.03
DAYS >= .01 3 5.8 -2.8 4
DAYS >= .10 2 3.5 -1.5 2
DAYS >= .50 2 1.4 0.6 1
DAYS >= 1.00 1 0.5 0.5 0
GREATEST
24 HR. TOTAL 1.49 03/12 TO 03/12
SNOWFALL (INCHES)
RECORDS
TOTAL 0.0
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0 0.0
SNOWDEPTH AVG. 0 0 0 0
DAYS >= 1.0 0 0 0 0
GREATEST
SNOW DEPTH 0 0
24 HR TOTAL 0.0 03/31 TO 03/31
DEGREE_DAYS
HEATING TOTAL 2 7 -5 0
SINCE 7/1 44 73 -29 5
COOLING TOTAL 232 262 -30 306
SINCE 1/1 685 610 75 846
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WIND (MPH)
AVERAGE WIND SPEED MM
HIGHEST WIND SPEED/DIRECTION 25/090 DATE 03/27
HIGHEST GUST SPEED/DIRECTION 35/100 DATE 03/27
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.20
NUMBER OF DAYS FAIR 26
NUMBER OF DAYS PC 3
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 69
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 1
LIGHT RAIN 7 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG OR MIST 1 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.
NOTE: AVERAGE WIND SPEED DATA IS UNAVAILABLE DUE TO AN ASOS SENSOR
OUTAGE THAT LASTED THROUGH MARCH 22ND.
$$
MARCH 2018 AT KEY WEST WAS A BIT ON THE COOLER SIDE WITH AN AVERAGE
MONTHLY TEMPERATURE OF 72.1 DEGREES FAHRENHEIT, OR 1.1 DEGREES BELOW
NORMAL. THE WARMEST MARCH ON RECORD, SINCE MARCH RECORDS BEGAN IN
1873, IS 1948 WITH AN AVERAGE MONTHLY TEMPERATURE OF 78.3 DEGREES.
THE COLDEST MARCH ON RECORD IS 1915 WHEN THE AVERAGE TEMPERATURE WAS
65.7 DEGREES.
RAINFALL AT KEY WEST WAS RIGHT AROUND NORMAL FOR THE MONTH OF MARCH,
WITH A SLIGHT SURPLUS OF 0.07 INCHES. THIS IS LARGELY ATTRIBUTED TO
THE DAILY-RECORD-SETTING 1.49 INCHES THAT WAS RECORDED ON MARCH
12TH. THE ONLY RECORD SET THROUGHOUT MARCH. THE WETTEST MARCH ON
RECORD, SINCE RECORDS BEGAN IN 1871, IS 1987 WHEN 9.69 INCHES WAS
MEASURED. THE DRIEST MARCH ON RECORD IS A 3-WAY TIE FOR 1893, 1907,
AND MOST RECENTLY 1971, WHEN ONLY A TRACE OF RAINFALL WAS MEASURED.
A TRACE INDICATES THAT RAINFALL WAS RECORDED, BUT IT WAS NOT ENOUGH
TO MEASURE.
DAILY RECORDS SET/TIED AT KEY WEST, MARCH 2018 AND 2018-TO-DATE
RECORD MAR 2018 2018
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MAXIMUM TEMPERATURE 0 0
COOL MAXIMUM TEMPERATURE 0 0
WARM MINIMUM TEMPERATURE 0 4
MINIMUM TEMPERATURE 0 0
RAINFALL 1 1
ROSS