condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.16119899999999998 0.0 0.338867 4 h after dark 0.15579966666666667 0.0 0.467399 8 h after dark 0.12900533333333333 0.0 0.387016 12 h after dark 0.6407473333333333 0.0 1.06015