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 0.2561895 0.0 0.512379 12 h after light 0.284246 0.0 0.568492 2 h after dark 0.2563635 0.0 0.512727 4 h after dark 0.0 0.0 0.0 8 h after dark 0.2701005 0.0 0.540201 12 h after dark 0.0 0.0 0.0