condition	mean	min	max
0 h after light	22.046599999999998	21.3422	22.751
4 h after light	16.679650000000002	15.3247	18.0346
8 h after light	11.40815	10.6148	12.2015
4 h after dark	13.1501	11.9155	14.3847
8 h after dark	17.12865	16.6303	17.627
12 h after dark	18.7461	18.3169	19.1753