condition	mean	min	max
0 h after light	29.73955	29.2597	30.2194
4 h after light	15.418050000000001	13.5757	17.2604
8 h after light	9.05209	8.5141	9.59008
4 h after dark	14.711200000000002	13.4342	15.9882
8 h after dark	21.5676	20.423	22.7122
12 h after dark	22.593400000000003	18.3185	26.8683