condition	mean	min	max
4 h after light	16.5863	16.4269	16.7457
8 h after light	20.309800000000003	19.1993	21.4203
12 h after light	20.14725	19.1474	21.1471
4 h after dark	29.03255	27.212	30.8531
8 h after dark	22.3459	21.6601	23.0317
12 h after dark	19.800849999999997	19.7595	19.8422