April Rainfall Summary

 

Parish Standard Precipitation Index (SPI) Assessment

Parish Mean Rainfall and Comparison with 30-yr Averages
		APR	APR	APR	% OF 30 YR NORMAL
Parishes	KEY	2020	2019	30 YR NORMAL (1971-2000)	2020	2020	2020
					FEB	MAR	APR
Westmoreland	WES	118	183	139	83	47	85
St. Elizabeth	STE	43	94	175	61	70	25
Manchester	MAN	36	95	168	86	51	21
Clarendon	CLA	15	54	68	140	101	22
St. Catherine	STC	19	58	91	46	111	21
Kingston & St. Andrew (KSA)	KSA	18	61	93	13	50	20
St. Thomas	STT	7	52	92	88	58	8
Portland	POR	10	88	263	112	207	4
St. Mary	STM	23	58	141	113	102	16
St. Ann	STA	19	59	93	137	159	20
Trelawny	TRE	67	122	89	73	91	75
St. James	STJ	39	85	95	139	89	40
Hanover	HAN	96	145	153	38	25	63
Jamaica	JAM	39	89	128	90	100	31

Table 1: Parish Mean Rainfall

 

Observed SPI for January to April 2020
Parishes	Jan/Feb	Feb/Mar	Mar/Apr	Change
Westmoreland	-0.07	-0.54	-0.69	-0.15
St. Elizabeth	-0.79	-0.39	-1.88	-1.49
Manchester	0.26	-0.51	-1.82	-1.31
Clarendon	0.42	0.66	-0.65	-0.99
St. Catherine	-1.69	-0.19	-1.00	-0.81
Kingston & St. Andrew	-1.17	-0.72	-0.88	-0.16
St. Thomas	-0.42	-0.06	-1.37	-1.31
Portland	-0.38	1.05	-0.07	-1.12
St. Mary	0.53	0.60	-0.74	-1.34
St. Ann	0.66	0.83	-0.42	-1.45
Trelawny	0.39	-0.01	-0.61	-0.60
St. James	0.00	-0.02	-1.81	-1.79
Hanover	-0.79	-1.23	-1.25	-0.02

Table 2: Parish SPI for December 2019 to March 2020