Table 2.

Presence of significant clustering for cases-water.

		Proportion of time with sig. clustering of cases-water
	Interval	classical Ogawa	classical Inaba	El Tor Inaba
Fall Peak	[0-π]	0.8000	0.9665	0.9994
	[π-2π]	0.8851	0.9991	0.9996
Spring Peak	[2π-3π]	0.7143	0.9833	0.9667
	[3π-4π]	0.8676	0.8667	0.9992

Analogous to Table 1, but considering the clustering of cases with respect to water sources.