condition mean min max 0 h after light 0.7164925 0.358725 1.07426 4 h after light 0.2393055 0.235369 0.243242 8 h after light 0.059045 0.0 0.11809 4 h after dark 0.1763065 0.117229 0.235384 8 h after dark 0.354156 0.35267 0.355642 12 h after dark 0.177504 0.116605 0.238403