condition	mean	min	max
4 h after light	19.3	19.3	19.3
8 h after light	38.5	38.2	38.8
12 h after light	38.95	33.8	44.1
4 h after dark	33.2	16.8	49.6
8 h after dark	36.95	26.7	47.2
12 h after dark	48.3	45.2	51.4