condition	mean	min	max
4 h after light	13.353349999999999	12.7575	13.9492
8 h after light	12.4207	12.2975	12.5439
12 h after light	15.35895	14.217	16.5009
4 h after dark	23.5225	23.2458	23.7992
8 h after dark	24.81745	23.572	26.0629
12 h after dark	19.79485	18.5553	21.0344