condition mean min max 4 h after light 1.2777543333333332 0.668032 2.17452 8 h after light 1.3636953333333335 0.268456 2.50965 12 h after light 1.4784000000000002 1.1045 1.94538 4 h after dark 1.6914216666666666 0.852215 2.70268 8 h after dark 1.5258493333333334 0.689878 2.07193 12 h after dark 1.5774000000000001 1.15491 1.88581