condition	mean	min	max
4 h after light	34.0	34.0	34.0
8 h after light	54.1	49.7	58.5
12 h after light	63.55	63.5	63.6
4 h after dark	30.45	16.9	44.0
8 h after dark	42.5	29.3	55.7
12 h after dark	36.25	31.6	40.9