condition	mean	min	max
0 h after light	19.791400000000003	18.9035	20.6793
4 h after light	19.90965	17.6467	22.1726
8 h after light	20.39685	17.9016	22.8921
4 h after dark	27.21335	24.9777	29.449
8 h after dark	24.14805	21.5651	26.731
12 h after dark	21.16725	19.1026	23.2319