condition	mean	min	max
4 h after light	21.207819999999998	18.083039	24.332601
8 h after light	20.7473865	16.225446	25.269327
12 h after light	22.0905745	22.026251	22.154898
4 h after dark	19.177943499999998	15.576425	22.779462
8 h after dark	44.981308	20.72471	69.237906
12 h after dark	21.585987	21.585987	21.585987