Rainfall in Jamaica

Annual Rainfall in Jamaica

Rainfall Monthly Averages
% Days with
MonthAverage
(inches)		Max
(inches)		Min
(inches)		RainTstorm
January 2.7 11.4 N.A. 36.0 1.0
February 1.8 7.0 N.A. 34.4 0.0
March 2.3 20.9 N.A. 29.3 1.0
April 2.5 12.6 N.A. 31.4 3.0
May 5.9 14.4 N.A. 41.8 16.0
June 5.5 13.2 1.0 40.0 26.0
July 2.9 10.9 0.6 29.6 28.0
August 5.2 18.3 0.8 34.3 31.0
September 6.1 13.3 0.8 46.8 43.0
October 7.4 26.5 0.6 46.7 29.0
November 5.5 23.5 0.8 45.4 10.0
December 3.6 15.0 0.3 39.4 2.0
Annual 50.7 82.8 30.4 37.9 16.0


Rainfall Hourly Frequencies
Percent Frequencies of Rainfall throughout the Day
MonthEarly
Morning		Late
Morning		Early
Afternoon		Late
Afternoon		Early
Evening		Overall
January 9.7 % 8.3 % 6.2 % 10.5 % 11.8 % Float %
February 9.1 % 7.0 % 5.9 % 9.8 % 9.9 % Float %
March 5.1 % 3.7 % 4.3 % 9.2 % 8.4 % Float %
April 3.9 % 3.3 % 6.4 % 12.4 % 11.4 % Float %
May 3.4 % 3.1 % 11.9 % 25.1 % 12.9 % Float %
June 3.0 % 3.4 % 11.3 % 24.5 % 9.5 % Float %
July 2.4 % 1.8 % 4.3 % 12.2 % 6.6 % Float %
August 2.7 % 1.7 % 7.3 % 16.2 % 7.1 % Float %
September 1.2 % 1.7 % 10.9 % 25.5 % 15.5 % Float %
October 4.7 % 5.0 % 9.4 % 25.0 % 15.5 % Float %
November 9.8 % 7.8 % 10.7 % 14.5 % 14.7 % Float %
December 9.5 % 7.5 % 5.0 % 9.3 % 9.8 % Float %


TStorm Hourly Frequencies
Percent Frequencies of Thunderstorms throughout the Day
MonthEarly
Morning		Late
Morning		Early
Afternoon		Late
Afternoon		Early
Evening		Overall
January % % % % % Float %
February % % % 0.5 % % Float %
March 0.2 % % 0.2 % % 0.2 % Float %
April 0.2 % % 0.4 % 0.2 % 0.8 % Float %
May % 0.4 % 4.7 % 8.0 % 2.8 % Float %
June 1.6 % 0.4 % 6.8 % 12.7 % 5.2 % Float %
July 3.0 % % 7.7 % 10.6 % 3.6 % Float %
August 1.4 % 0.4 % 10.0 % 15.6 % 4.7 % Float %
September 0.8 % % 11.5 % 20.5 % 9.3 % Float %
October 0.9 % 0.4 % 6.0 % 13.7 % 6.5 % Float %
November 0.9 % 0.2 % 0.6 % 3.6 % 1.6 % Float %
December 0.2 % 0.2 % % 0.2 % 0.4 % Float %

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