condition	mean	min	max
4 h after light	20.09943	14.85024	23.34814
8 h after light	8.89067	2.6059639999999997	17.4022
12 h after light	21.303900000000002	18.42125	25.26405
16 h after light	18.898683333333334	14.52345	26.744290000000003
4 h after dark	13.248316666666666	10.30124	14.98236
8 h after dark	13.851999666666666	8.480349	19.29065