condition mean min max 0 h after light 0.0489825 0.0 0.097965 4 h after light 0.345519 0.192832 0.498206 8 h after light 0.1465209 0.0995448 0.193497 4 h after dark 0.19227515 0.0964223 0.288128 8 h after dark 0.1448731 0.0971232 0.192623 12 h after dark 0.04776595 0.0 0.0955319