condition	mean	min	max
4 h after light	21.781950000000002	21.5428	22.0211
8 h after light	18.89385	16.5851	21.2026
12 h after light	13.9229	11.9692	15.8766
4 h after dark	13.2372	13.062	13.4124
8 h after dark	21.544400000000003	20.9705	22.1183
12 h after dark	27.155549999999998	26.5192	27.7919