condition	mean	min	max
4 h after light	20.458750000000002	19.3337	21.5838
8 h after light	12.2948	12.234	12.3556
12 h after light	13.09155	12.9893	13.1938
4 h after dark	14.6062	13.7994	16.0371
8 h after dark	24.0945	23.4888	24.4801
12 h after dark	22.349233333333334	21.1358	23.5404