condition	mean	min	max
4 h after light	21.395753	20.676871	22.114635
8 h after light	19.2712715	18.254795	20.287748
12 h after light	17.3729115	15.820315	18.925508
4 h after dark	21.178604999999997	19.823759	22.533451
8 h after dark	19.4081395	18.14781	20.668469
12 h after dark	20.155502	20.155502	20.155502