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 0.02163855 0.0 0.0432771 8 h after light 0.197523 0.175947 0.219099 12 h after light 0.09431695000000001 0.0427779 0.145856 2 h after dark 0.0695998 0.0438496 0.09535 4 h after dark 0.0629537 0.0409369 0.0849705 8 h after dark 0.0461992 0.0 0.0923984 12 h after dark 0.0 0.0 0.0