condition	mean	min	max
4 h after light	18.550248	15.597208	21.503288
8 h after light	22.4205735	22.087056	22.754091
12 h after light	23.034264	21.503288	24.56524
4 h after dark	21.8703425	19.832369	23.908316
8 h after dark	19.4954235	17.487559	21.503288
12 h after dark	20.655204	20.655204	20.655204