condition mean min max 0 h after light 5.662425 5.49121 5.83364 2 h after light 1.846365 1.66477 2.02796 4 h after light 1.58662 1.55813 1.61511 8 h after light 3.090415 2.9101 3.27073 12 h after light 5.238515 4.2089 6.26813 2 h after dark 5.434095 5.20697 5.66122 4 h after dark 7.320125 7.27916 7.36109 8 h after dark 9.869985 9.01267 10.7273 12 h after dark 6.21826 5.16744 7.26908