condition	mean	min	max
4 h after light	12.8209075	12.341797	13.300018
8 h after light	12.2677045	11.75223	12.783179
12 h after light	15.301184	14.819225	15.783143
4 h after dark	14.8194975	13.71376	15.925235
8 h after dark	13.312505	11.306479	15.318531
12 h after dark	13.050705	13.050705	13.050705