condition	mean	min	max
4 h after light	1.7	1.7	1.7
8 h after light	31.45	24.1	38.8
12 h after light	31.1	31.1	31.1
4 h after dark	16.2	7.4	25.0
8 h after dark	21.3	7.2	35.4
12 h after dark	18.1	12.1	24.1