condition	mean	min	max
4 h after light	17.6	17.6	17.6
8 h after light	62.55	59.4	65.7
12 h after light	108.5	93.5	123.5
4 h after dark	160.95	159.5	162.4
8 h after dark	108.5	77.6	139.4
12 h after dark	124.25	115.8	132.7