condition mean min max 0 h after light 8.583775 7.17296 9.99459 2 h after light 1.668725 0.0 3.33745 4 h after light 4.95821 3.38508 6.53134 8 h after light 3.4340599999999997 3.42753 3.44059 12 h after light 12.3964 11.4087 13.3841 2 h after dark 5.5936 0.0 11.1872 4 h after dark 9.78777 9.6061 9.96944 8 h after dark 10.974505 7.49441 14.4546 12 h after dark 12.1746 10.6687 13.6805