condition mean min max 2 h after light 0.0802565 0.0 0.141552 6 h after light 0.20642083333333333 0.0 0.412565 10 h after light 0.3010871666666667 0.0 0.809825 14 h after light 0.27030001666666664 0.0983461 0.584973 18 h after light 0.3516145 0.0829036 0.638179 2 h after dark 0.07839798333333334 0.0 0.243773