condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.61646 0.0 1.23292 4 h after light 1.673725 0.0 3.34745 8 h after light 0.0 0.0 0.0 12 h after light 1.3807239999999998 0.843688 1.91776 2 h after dark 0.0 0.0 0.0 4 h after dark 0.5477 0.0 1.0954 8 h after dark 0.0 0.0 0.0 12 h after dark 1.266125 0.0 2.53225