condition	mean	min	max
4 h after light	14.1299	10.5284	17.7314
8 h after light	12.626349999999999	11.7455	13.5072
12 h after light	16.9214	12.0368	21.806
4 h after dark	20.80913333333333	19.2086	22.9608
8 h after dark	25.6694	22.096	30.5241
12 h after dark	12.573766666666666	11.5647	14.0727