condition	mean	min	max
0 h after light	18.450850000000003	17.6341	19.2676
4 h after light	23.86305	20.7491	26.977
8 h after light	19.2851	18.7846	19.7856
4 h after dark	25.26645	23.8371	26.6958
8 h after dark	19.257350000000002	19.0971	19.4176
12 h after dark	20.34015	20.3102	20.3701