condition	mean	min	max
4 h after light	30.9	30.9	30.9
8 h after light	33.85	18.0	49.7
12 h after light	40.05	37.5	42.6
4 h after dark	49.55	40.5	58.6
8 h after dark	61.7	60.6	62.8
12 h after dark	61.0	41.6	80.4