condition mean min max 0 h after light 2.47218 2.38473 2.55963 4 h after light 6.939375 5.37421 8.50454 8 h after light 5.5055 5.02842 5.98258 4 h after dark 6.622809999999999 5.77163 7.47399 8 h after dark 5.09848 4.52957 5.66739 12 h after dark 2.85203 2.12637 3.57769