condition	mean	min	max
2 h after light	20.719450000000002	14.203	25.6139
6 h after light	11.354525	6.60185	16.0844
10 h after light	13.880855	5.20785	25.4284
14 h after light	13.766798333333334	7.29379	24.6153
18 h after light	14.106466666666666	10.7779	17.8342
2 h after dark	22.291716666666666	14.7039	32.2845