condition	mean	min	max
3 h after light	20.05775	16.478	23.3477
7 h after light	18.31885	11.6497	23.3582
11 h after light	19.098391666666668	17.1526	21.1013
2 h after dark	18.30715	15.3189	24.4888
6 h after dark	17.9518	12.5236	23.7488
10 h after dark	18.023833333333332	12.6954	22.5127