Precipitation Concentration in Bangladesh over Different Temporal Periods

Table 1

The regional differences in the mean PCI using the Kruskal–Wallis test during 1980–1989, 1990–1999, and 2000–2011 in Bangladesh.

Timescale^a	value
	Mean	1980–1989	1990–1999	2000–2011
PCI annual	0.036	0.031	0.021	0.097
Supraseasonal (JJ)	0.061	0.063	0.004	0.219
Supraseasonal (JD)	0.063	0.092	0.089	0.018
NDJF	0.333	0.227	0.02	0.105
MAMJ	0.015	0.012	0.003	0.091
JASO	0.237	0.216	0.159	0.034
JFM	0.011	0.024	0.068	0.014
AMJ	0.014	0.011	0.005	0.026
JAS	0.455	0.204	0.033	0.19
OND	0.003	0.005	0.068	0.001
JF	0.011	0.227	0.107	0.028
FM	0.125	0.332	0.773	0.05
MA	0.026	0.018	0.028	0.028
AM	0.025	0.003	0.024	0.018
MJ	0.051	0.067	0.005	0.192
JJ	0.508	0.032	0.642	0.371
JA	0.394	0.424	0.023	0.235
AS	0.368	0.361	0.199	0.114
SO	0.027	0.344	0.026	0.052
ON	0.005	0.009	0.062	0.001
ND	0.362	0.611	0.607	0.477
DJ	0.135	0.497	0.39	0.39

^aLetters denote the months of the year (e.g., JJ is January–June and JD is July–December). Infinity of number.