condition	mean	min	max
4 h after light	35.003385	32.663538	37.343232
8 h after light	26.737882	26.265718	27.210046
12 h after light	16.5289925	15.657377	17.400608
4 h after dark	21.282511	15.354976	27.210046
8 h after dark	27.4202	21.525279	33.315121
12 h after dark	111.30898	111.30898	111.30898