condition mean min max 0 h after light 84.473 80.6127 88.3333 4 h after light 107.96545 90.9379 124.993 8 h after light 48.3665 44.5308 52.2022 4 h after dark 49.3055 38.9519 59.6591 8 h after dark 54.5454 53.4972 55.5936 12 h after dark 90.7369 81.9946 99.4792