condition	mean	min	max
4 h after light	7.7	7.7	7.7
8 h after light	7.85	5.5	10.2
12 h after light	4.4	3.2	5.6
4 h after dark	22.35	20.0	24.7
8 h after dark	22.3	21.1	23.5
12 h after dark	29.8	7.0	52.6