condition mean min max 0 h after light 1.6303200000000002 1.58519 1.67545 4 h after light 0.1376585 0.0 0.275317 8 h after light 0.0934195 0.0920888 0.0947502 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0458363 0.0 0.0916726 12 h after dark 1.0174465000000001 0.454653 1.58024