condition	mean	min	max
0 h after light	20.9469	20.4134	21.4804
4 h after light	14.2508	13.0261	15.4755
8 h after light	14.905999999999999	14.7647	15.0473
4 h after dark	18.7825	18.7396	18.8254
8 h after dark	21.1513	20.7581	21.5445
12 h after dark	21.662799999999997	20.1819	23.1437