condition mean min max 0 h after light 3.7782 3.40371 4.15269 4 h after light 7.190289999999999 7.07201 7.30857 8 h after light 11.196185 9.71087 12.6815 4 h after dark 8.3599 7.78616 8.93364 8 h after dark 4.47579 3.37447 5.57711 12 h after dark 2.225105 1.13103 3.31918