condition	mean	min	max
4 h after light	48.327786	47.276045	49.379527
8 h after light	54.688322	52.941497	56.435147
12 h after light	53.472091	47.618313	59.325869
4 h after dark	66.968763	63.223964	70.713562
8 h after dark	60.6894485	54.815695	66.563202
12 h after dark	52.137433	52.137433	52.137433