condition	mean	min	max
4 h after light	6.277525	5.43385	7.1212
8 h after light	6.69351	6.57987	6.80715
12 h after light	12.874649999999999	12.4459	13.3034
4 h after dark	15.4117	13.5837	17.1523
8 h after dark	13.556533333333334	12.6418	14.6646
12 h after dark	8.935236666666666	6.68195	12.019