condition	mean	min	max
4 h after light	47.650850000000005	46.2843	49.0174
8 h after light	32.7368	32.5189	32.9547
12 h after light	22.0138	20.7591	23.2685
4 h after dark	12.2577	11.4077	13.1077
8 h after dark	9.909385	9.71747	10.1013
12 h after dark	18.6049	18.5683	18.6415