condition	mean	min	max
0 h after light	16.08175	15.5265	16.637
4 h after light	14.5884	11.9243	17.2525
8 h after light	17.009050000000002	15.688	18.3301
4 h after dark	21.140050000000002	20.815	21.4651
8 h after dark	24.5683	24.0454	25.0912
12 h after dark	15.2232	14.9258	15.5206