condition	mean	min	max
4 h after light	15.876149999999999	15.7797	15.9726
8 h after light	13.73825	13.3205	14.156
12 h after light	20.20295	19.6701	20.7358
4 h after dark	26.3014	25.3661	27.2367
8 h after dark	24.3305	23.2523	25.4087
12 h after dark	23.36235	23.0952	23.6295