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 0.0 0.0 0.0 8 h after light 0.2416315 0.0 0.483263 12 h after light 0.2670765 0.0 0.534153 2 h after dark 0.2408785 0.0 0.481757 4 h after dark 0.0 0.0 0.0 8 h after dark 0.2631655 0.0 0.526331 12 h after dark 0.0 0.0 0.0