condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.556025 0.0 1.11205 8 h after light 0.56514 0.0 1.13028 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.59357 0.0 1.18714 12 h after dark 0.0 0.0 0.0