condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.15698825 0.0 0.384234 3 h after dark 0.2751576666666667 0.157002 0.470982 6 h after dark 0.22464533333333334 0.0 0.673936 9 h after dark 0.04766 0.0 0.14298 12 h after dark 0.0 0.0 0.0