condition	mean	min	max
3 h after light	15.424299999999999	13.7715	16.8662
6 h after light	12.41303	9.81669	14.9635
9 h after light	14.107333333333333	12.4087	16.8555
12 h after light	16.993025	13.9202	21.2334
3 h after dark	22.711100000000002	21.3641	23.7072
6 h after dark	22.100466666666666	21.4744	22.452
9 h after dark	18.445066666666666	16.3615	21.5654
12 h after dark	18.10985	17.6357	18.584