condition	mean	min	max
4 h after light	19.041	16.646	21.436
8 h after light	19.475	19.3307	19.6193
12 h after light	14.19615	14.1901	14.2022
4 h after dark	19.93175	14.3918	25.4717
8 h after dark	16.0936	14.4138	17.7734
12 h after dark	20.447249999999997	19.4198	21.4747