condition mean min max 3 h after light 0.0 0.0 0.0 7 h after light 0.0 0.0 0.0 11 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 6 h after dark 0.005124541666666667 0.0 0.0614945 10 h after dark 1.875e-10 0.0 2.25e-09