condition mean min max 4 h after light 1.748178 0.932244 2.6656 8 h after light 1.1640643333333334 0.461798 2.14943 12 h after light 1.326226 0.669098 2.15813 4 h after dark 1.412927 0.802621 2.22445 8 h after dark 1.7560833333333334 1.13509 2.47263 12 h after dark 4.269193333333334 3.5355 4.68038