condition	mean	min	max
4 h after light	19.6525	18.0365	21.6987
8 h after light	14.545670000000001	5.59931	24.2357
12 h after light	15.393163333333334	9.85839	22.0435
4 h after dark	25.479766666666666	20.6526	30.2118
8 h after dark	28.276799999999998	25.174	30.8037
12 h after dark	18.7352	16.8738	20.1086