condition	mean	min	max
4 h after light	37.5	37.5	37.5
8 h after light	30.55	27.9	33.2
12 h after light	41.8	35.3	48.3
4 h after dark	48.7	47.0	50.4
8 h after dark	48.55	40.2	56.9
12 h after dark	52.85	51.7	54.0