condition	mean	min	max
4 h after light	7.83192	6.68632	8.97752
8 h after light	10.227685	9.75987	10.6955
12 h after light	8.06896	7.47406	8.66386
4 h after dark	19.555033333333334	14.6783	22.7993
8 h after dark	14.551733333333333	11.0048	17.4144
12 h after dark	10.42202	8.48196	11.5876