condition	mean	min	max
0 h after light	17.41505	16.27	18.5601
4 h after light	15.8686	15.7144	16.0228
8 h after light	20.46055	19.9337	20.9874
4 h after dark	25.550649999999997	25.302	25.7993
8 h after dark	19.04775	17.0912	21.0043
12 h after dark	18.9373	17.0148	20.8598