condition	mean	min	max
4 h after light	4.1	4.1	4.1
8 h after light	32.15	27.0	37.3
12 h after light	40.5	31.6	49.4
4 h after dark	39.7	34.6	44.8
8 h after dark	34.75	18.2	51.3
12 h after dark	21.8	2.6	41.0