condition mean min max 4 h after light 4.131635 3.69415 4.56912 8 h after light 3.09717 2.74215 3.45219 12 h after light 2.43414 1.95462 2.91366 4 h after dark 4.474539999999999 3.53374 5.41534 8 h after dark 3.117125 2.91915 3.3151 12 h after dark 4.515280000000001 4.20704 4.82352