condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.2696015 0.219953 0.31925 8 h after light 0.053392 0.0 0.106784 4 h after dark 0.0 0.0 0.0 8 h after dark 0.21349849999999998 0.212603 0.214394 12 h after dark 0.2108815 0.0 0.421763