condition mean min max 0 h after light 0.4412905 0.0 0.882581 2 h after light 1.06862 0.35366 1.78358 4 h after light 1.768225 1.38421 2.15224 8 h after light 2.45682 2.17923 2.73441 12 h after light 1.69239 1.61193 1.77285 2 h after dark 0.865329 0.545178 1.18548 4 h after dark 0.600209 0.352144 0.848274 8 h after dark 0.393542 0.191464 0.59562 12 h after dark 0.2754215 0.188422 0.362421