condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0319335 0.0 0.063867 8 h after light 0.130027 0.128175 0.131879 4 h after dark 0.06374540000000001 0.0636197 0.0638711 8 h after dark 0.0643355 0.0 0.128671 12 h after dark 0.0646905 0.0 0.129381