condition mean min max 0 h after light 1.235065 0.78341 1.68672 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.805985 0.0 1.61197 12 h after light 0.0 0.0 0.0 2 h after dark 0.8417135 0.806533 0.876894 4 h after dark 0.3764795 0.0 0.752959 8 h after dark 2.564953 0.881156 4.24875 12 h after dark 0.820247 0.804245 0.836249