condition mean min max 3 h after light 2.0307833333333334 1.74481 2.43156 6 h after light 5.45212 4.08668 6.42404 9 h after light 8.769193333333334 5.96848 12.4175 12 h after light 11.65489 1.53816 15.4164 3 h after dark 7.194303333333333 6.61724 7.5738 6 h after dark 5.184303333333333 4.63302 5.71661 9 h after dark 2.29565 1.84953 2.54005 12 h after dark 1.0006875000000002 0.643545 1.35783