condition	mean	min	max
4 h after light	16.177954999999997	15.9012	16.45471
8 h after light	15.312989	14.700743	15.925235
12 h after light	14.538884	14.193086	14.884682
4 h after dark	15.854105	15.743994	15.964216
8 h after dark	16.1385495	15.743994	16.533105
12 h after dark	13.913988	13.913988	13.913988