condition mean min max 4 h after light 2678.4690935 2574.670576 2782.267611 8 h after light 2807.2371715 2159.462826 3455.011517 12 h after light 2069.5749635 1736.595465 2402.554462 4 h after dark 2693.3362345 2171.014952 3215.657517 8 h after dark 2921.8417959999997 2645.078211 3198.605381 12 h after dark 2900.693595 2900.693595 2900.693595