condition	mean	min	max
4 h after light	13.93075	12.7354	15.1261
8 h after light	13.44465	12.6828	14.2065
12 h after light	13.6488	12.7876	14.51
4 h after dark	17.3592	14.64	20.0319
8 h after dark	17.136533333333333	16.3941	18.5469
12 h after dark	13.385666666666667	12.4809	13.9074