condition	mean	min	max
4 h after light	20.032266666666665	9.8696	26.0498
8 h after light	18.557953333333334	4.36186	30.8825
12 h after light	25.2668	14.5568	38.3304
4 h after dark	36.342	31.4713	41.0486
8 h after dark	27.4996	16.61	34.6147
12 h after dark	22.696633333333335	21.5079	23.4772