condition	mean	min	max
4 h after light	38.9	38.9	38.9
8 h after light	33.7	32.7	34.7
12 h after light	31.75	26.2	37.3
4 h after dark	41.2	31.0	51.4
8 h after dark	48.95	34.6	63.3
12 h after dark	33.9	30.4	37.4