condition	mean	min	max
4 h after light	21.47605	20.3423	22.6098
8 h after light	19.29605	18.6709	19.9212
12 h after light	20.94285	20.6006	21.2851
4 h after dark	31.7603	31.0115	32.5091
8 h after dark	29.563200000000002	28.4988	30.6276
12 h after dark	28.1663	27.6687	28.6639