condition	mean	min	max
4 h after light	20.27345	18.6111	21.9358
8 h after light	21.30455	21.199	21.4101
12 h after light	23.270850000000003	22.3839	24.1578
4 h after dark	37.185050000000004	32.9287	41.4414
8 h after dark	30.68155	30.4793	30.8838
12 h after dark	27.68445	27.1138	28.2551