condition mean min max 4 h after light 2.844497 2.815121 2.88852 8 h after light 2.8598386666666666 2.4164689999999998 3.585589 12 h after light 4.078014 1.730867 6.0182709999999995 16 h after light 6.304856666666667 5.73654 6.793882000000001 4 h after dark 2.534661333333333 2.253885 2.6888349999999996 8 h after dark 1.7290503333333334 1.516289 2.0741259999999997