condition	mean	min	max
4 h after light	26.4972	22.8292	30.1652
8 h after light	18.75525	16.9836	20.5269
12 h after light	21.19605	20.132	22.2601
4 h after dark	24.70465	22.8778	26.5315
8 h after dark	25.15635	23.7214	26.5913
12 h after dark	24.087	23.5612	24.6128