condition	mean	min	max
0 h after light	17.579749999999997	17.2977	17.8618
4 h after light	22.97705	20.4655	25.4886
8 h after light	21.370849999999997	20.7994	21.9423
4 h after dark	20.04325	15.159	24.9275
8 h after dark	20.5394	18.0845	22.9943
12 h after dark	21.6995	20.2778	23.1212