condition	mean	min	max
4 h after light	16.8	16.8	16.8
8 h after light	21.950000000000003	20.1	23.8
12 h after light	19.95	16.9	23.0
4 h after dark	23.3	20.0	26.6
8 h after dark	24.200000000000003	19.8	28.6
12 h after dark	26.8	21.8	31.8