condition	mean	min	max
4 h after light	17.3754645	17.354559	17.39637
8 h after light	18.843123	15.538724	22.147522
12 h after light	24.6743825	20.643271	28.705494
4 h after dark	30.085389999999997	22.437504	37.733276
8 h after dark	26.969118	17.574679	36.363557
12 h after dark	12.4147	12.4147	12.4147