condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.04164966666666667 0.0 0.124949 12 h after light 0.058209666666666667 0.0 0.174629 4 h after dark 0.0 0.0 0.0 8 h after dark 0.191474 0.0 0.574422 12 h after dark 0.287141 0.0 0.603966