condition mean min max 2 h after light 0.299936 0.0 0.915683 6 h after light 0.2803351666666667 0.0 0.654248 10 h after light 0.4810545 0.0 1.6258 14 h after light 0.5207843333333333 0.0 1.52908 18 h after light 0.4476575 0.200372 0.790234 2 h after dark 1.0262441666666666 0.0 2.6126