condition	mean	min	max
4 h after light	14.56341	6.89363	21.4931
8 h after light	21.569226666666665	5.14858	34.9606
12 h after light	19.424	12.2778	28.8847
4 h after dark	25.7383	18.8902	30.8223
8 h after dark	16.26329	7.90887	24.4242
12 h after dark	16.461866666666666	11.4552	19.0264