condition mean min max 0 h after light 0.1793625 0.0 0.358725 4 h after light 0.1196525 0.117684 0.121621 8 h after light 0.0607515 0.0 0.121503 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0592735 0.0 0.118547 12 h after dark 0.1179035 0.116605 0.119202