condition	mean	min	max
4 h after light	41.32855	40.4881	42.169
8 h after light	22.4321	22.1976	22.6666
12 h after light	16.4318	15.3752	17.4884
4 h after dark	23.075300000000002	21.1414	24.4659
8 h after dark	29.209566666666667	28.6141	30.2451
12 h after dark	39.5547	38.5911	41.2287