condition	mean	min	max
4 h after light	13.831050000000001	12.0389	15.6232
8 h after light	15.827200000000001	15.6301	16.0243
12 h after light	19.0226	17.5973	20.4479
4 h after dark	18.9162	18.7141	19.1183
8 h after dark	21.023200000000003	20.6261	21.4203
12 h after dark	18.8414	18.6294	19.0534