condition mean min max 0 h after light 0.03152075 0.0 0.0630415 2 h after light 0.03157675 0.0 0.0631535 4 h after light 0.062925 0.0617952 0.0640548 8 h after light 0.03255255 0.0 0.0651051 12 h after light 0.06763844999999999 0.0633159 0.071961 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0314414 0.0 0.0628828 8 h after dark 0.03545355 0.0 0.0709071 12 h after dark 0.0 0.0 0.0