condition	mean	min	max
4 h after light	20.683581	16.182818	25.184344
8 h after light	23.179948	22.307237	24.052659
12 h after light	19.711458999999998	19.056157	20.366761
4 h after dark	23.994843	21.783434	26.206252
8 h after dark	20.513534	19.243634	21.783434
12 h after dark	16.890507	16.890507	16.890507