condition mean min max 2 h after light 1.8830799999999999 1.64804 2.18179 6 h after light 2.2530633333333334 1.99986 2.60193 10 h after light 2.1215366666666666 2.02086 2.22385 2 h after dark 1.5517933333333334 1.4072 1.72418 6 h after dark 1.71414 1.65739 1.79733 10 h after dark 1.43014 1.17077 1.65531