condition	mean	min	max
4 h after light	22.733600000000003	22.1859	23.2813
8 h after light	15.01565	14.3465	15.6848
12 h after light	21.71	19.9112	23.5088
4 h after dark	20.088166666666666	17.7868	21.5993
8 h after dark	27.2975	24.354	31.4544
12 h after dark	30.7451	29.0754	32.0397