condition	mean	min	max
4 h after light	18.683500000000002	17.5457	19.8213
8 h after light	13.14485	12.2787	14.011
12 h after light	10.99056	9.64872	12.3324
4 h after dark	18.491633333333333	17.7804	19.1078
8 h after dark	22.8778	21.1283	25.7335
12 h after dark	25.454	24.1497	27.3696