condition	mean	min	max
4 h after light	14.33215	13.0812	15.5831
8 h after light	14.570799999999998	13.934	15.2076
12 h after light	18.3775	17.69	19.065
4 h after dark	22.145533333333333	21.5186	22.8361
8 h after dark	26.066433333333332	23.6781	27.6599
12 h after dark	17.469633333333334	17.0935	17.8033