condition	mean	min	max
4 h after light	39.4529395	38.724027	40.181852
8 h after light	39.298632	39.170438	39.426826
12 h after light	31.837926000000003	30.067108	33.608744
4 h after dark	39.9089635	33.718529	46.099398
8 h after dark	30.144373	24.839257	35.449489
12 h after dark	21.274604	21.274604	21.274604