condition mean min max 4 h after light 112.6829285 112.302496 113.063361 8 h after light 129.7421055 118.028647 141.455564 12 h after light 152.9951195 152.100257 153.889982 4 h after dark 113.8086965 85.941748 141.675645 8 h after dark 107.1632515 94.001319 120.325184 12 h after dark 109.845718 109.845718 109.845718