condition	mean	min	max
4 h after light	3.320365	2.93395	3.70678
8 h after light	5.19862	4.92894	5.4683
12 h after light	4.9281749999999995	4.55593	5.30042
4 h after dark	7.84909	6.65491	9.04327
8 h after dark	4.700375	4.4854	4.91535
12 h after dark	4.190245	3.93131	4.44918