condition mean min max 4 h after light 314.262951 230.600963 397.924939 8 h after light 325.3899505 282.701031 368.07887 12 h after light 362.41209849999996 357.313674 367.510523 4 h after dark 264.51647149999997 204.262425 324.770518 8 h after dark 169.31457650000002 117.109919 221.519234 12 h after dark 235.982418 235.982418 235.982418