condition	mean	min	max
4 h after light	21.0	21.0	21.0
8 h after light	6.5	5.7	7.3
12 h after light	2.6	2.1	3.1
4 h after dark	25.85	23.6	28.1
8 h after dark	21.1	6.7	35.5
12 h after dark	17.35	4.1	30.6