condition mean min max 3 h after light 6.45038 5.11041 8.63309 6 h after light 2.98924 1.89701 4.03577 9 h after light 1.5427633333333333 1.0192 2.16478 12 h after light 1.98317625 0.653098 5.5454 3 h after dark 0.34850766666666666 0.256078 0.460186 6 h after dark 0.822078 0.758522 0.942239 9 h after dark 1.53097 1.04044 1.83244 12 h after dark 4.636395 3.65914 5.61365