condition mean min max 0 h after light 2.1866149999999998 2.05937 2.31386 4 h after light 3.2394249999999998 2.29051 4.18834 8 h after light 3.1741200000000003 2.2189 4.12934 4 h after dark 1.45903 1.00739 1.91067 8 h after dark 2.40974 2.3079 2.51158 12 h after dark 1.8130950000000001 1.5157 2.11049