condition	mean	min	max
2 h after light	21.8913	16.4147	26.2384
6 h after light	18.96685	15.2394	21.7646
10 h after light	16.933716666666665	11.7485	20.2114
14 h after light	17.793	13.9555	22.6878
18 h after light	17.744500000000002	15.034	20.5118
2 h after dark	20.1764	12.4306	26.2294