condition	mean	min	max
4 h after light	129.589605	124.199065	134.980145
8 h after light	87.26032699999999	67.163158	107.357496
12 h after light	75.49519749999999	70.215792	80.774603
4 h after dark	33.514024	31.992832	35.035216
8 h after dark	36.7080075	22.618096	50.797919
12 h after dark	138.390685	138.390685	138.390685