condition mean min max 0 h after light 171.986 166.313 177.659 2 h after light 419.422 396.328 442.516 4 h after light 324.8035 309.33 340.277 8 h after light 131.211 112.513 149.909 12 h after light 51.73905 38.8544 64.6237 2 h after dark 41.475300000000004 36.7387 46.2119 4 h after dark 17.61195 15.6189 19.605 8 h after dark 39.277100000000004 38.6559 39.8983 12 h after dark 170.638 159.839 181.437