condition	mean	min	max
0 h after light	20.77265	20.569	20.9763
4 h after light	15.742049999999999	14.8517	16.6324
8 h after light	21.9281	21.1639	22.6923
4 h after dark	26.7553	25.5339	27.9767
8 h after dark	23.9691	23.027	24.9112
12 h after dark	17.3228	16.9859	17.6597