condition mean min max 2 h after light 0.9019481666666667 0.0 1.79319 6 h after light 1.3169403333333334 0.429594 2.90778 10 h after light 1.030579 0.436054 1.76878 14 h after light 1.0078345 0.417527 1.8841 18 h after light 1.14019 0.239889 3.61088 2 h after dark 0.5374896666666666 0.0 1.0179