condition mean min max 2 h after light 0.19889266666666666 0.0 0.85471 6 h after light 2.091128 0.0 6.37588 10 h after light 0.6996755 0.0 1.79121 14 h after light 0.57097 0.0 1.02284 18 h after light 0.7001016666666667 0.0 4.20061 2 h after dark 0.1104035 0.0 0.373095