United States Court of Appeals
                            FOR THE EIGHTH CIRCUIT
                                    ___________

                                    No. 05-2483
                                    ___________

United States of America,                *
                                         *
             Appellant,                  *
                                         *
      v.                                 * Appeal from the United States
                                         * District Court for the
Jack Leroy Goody,                        * Southern District of Iowa.
                                         *
             Appellee.                   *
                                    ___________

                              Submitted: January 11, 2006
                                 Filed: March 31, 2006 (Corrected 4/6/06)
                                  ___________

Before WOLLMAN, JOHN R. GIBSON, and ARNOLD, Circuit Judges.
                          ___________

ARNOLD, Circuit Judge.

       Jack Goody pleaded guilty to conspiring to manufacture and distribute
methamphetamine, see 21 U.S.C. §§ 841(b)(1)(A)(viii), 846, and the district court
sentenced him to 72 months' imprisonment. The United States appeals, contending
that the sentence is unreasonable. We remand for resentencing.

       Mr. Goody, along with several others, manufactured methamphetamine in a
shed on his farm. Mr. Goody helped steal methamphetamine precursors and used
methamphetamine that the conspiracy produced.                Although most of the
methamphetamine that the conspirators produced was for their personal use, some was
sold to third parties. Mr. Goody hid both the lab and his drug use from his family, co-
workers, and community until a police search of the Goody farm revealed a room
specially constructed for manufacturing methamphetamine in a shed one hundred
yards from the Goody residence. In the room were large quantities of
methamphetamine precursors and equipment for making the drug. Mr. Goody tested
positive for methamphetamine use while he was awaiting trial, and he deceived his
family about his involvement in the drug conspiracy even after pleading guilty to one
count of conspiring to manufacture and distribute methamphetamine.

       The offense of conviction carries a mandatory minimum sentence of ten years
in prison, but by submitting to an interview with law enforcement officials in which
he revealed all that he knew about the conspiracy, Mr. Goody became eligible for
relief under the sentencing guidelines' so-called safety-valve provision, see U.S.S.G.
§ 5C1.2. This resulted in a reduction in his offense level from 37 to 35. See U.S.S.G.
§ 2D1.1(b)(7). Both the prosecution and defense agreed that the applicable advisory
guideline range in these circumstances was 168 to 210 months' imprisonment. But the
district judge sentenced Mr. Goody to 72 months in prison, which was less than half
the sentence that the prosecution had requested and ten percent lower than what
Mr. Goody himself had asked for.

       The United States argues that the district judge inappropriately decided to
sentence Mr. Goody below the range specified in the guidelines. When, as here, there
is no challenge to the district court's calculation of the guideline range, we review its
sentencing decision for reasonableness, taking into account the matters listed in
18 U.S.C. § 3553(a). The reasonableness standard is "akin to our traditional review
for abuse of discretion." United States v. Gatewood, 

, 896 (8th Cir.
2006). Either the decision to grant a variance from the guideline sentence or the
extent of such a variance may cause a sentence to be unreasonable. United States v.
Mashek, 

, 1017 (8th Cir. 2005). Because "[t]he Guidelines were
fashioned taking the ... § 3553(a) factors into account and are the product of years of
careful study," a decision to grant a § 3553(a) variance from the presumptively

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reasonable guideline range must be justified by reference to circumstances identified
in that section. United States v. Claiborne, No. 05-2198, 

, *1 (8th
Cir. Feb. 27, 2006). Additionally, we have held that absent exceptional facts,
sentencing a defendant to a sentence dramatically lower than that recommended by
the guidelines is an abuse of the district court's discretion. 

       Here, the district court sentenced Mr. Goody to a term of imprisonment that was
far outside the range that the sentencing guidelines recommended. We see nothing
extraordinary or exceptional about Mr. Goody's situation. While he did accept
responsibility for his conduct and provide information to law enforcement, he did not
take part in controlled purchases, contribute to the investigation of other drug
offenders, or assist the government in any way that endangered himself or his family.
Given these circumstances, we think that the sentence is presumptively unreasonable.

       In fashioning an appropriate sentence, a district court is allowed to consider "the
need to avoid unwarranted sentence disparities among defendants with similar records
who have been found guilty of similar conduct." 18 U.S.C. § 3553(a)(6). The district
court found that Mr. Goody's involvement in the conspiracy was roughly equivalent
to that of another member of the conspiracy, Raymond Gordon, who received a 72-
month sentence, and the court used this finding to justify giving Mr. Goody the same
sentence.

       We discern a number of relevant differences between Mr. Gordon's and
Mr. Goody's circumstances. Mr. Gordon's sentence was based on a much smaller
quantity of drugs and included a reduction for his being a minor participant in the
conspiracy, a reduction that Mr. Goody did not receive. Mr. Goody's construction of
a secret facility on his property for methamphetamine manufacture constituted a much
larger contribution to the goals of the conspiracy than did Mr. Gordon's conduct.
Unlike Mr. Goody, Mr. Gordon received a three-level reduction for acceptance of
responsibility. The guideline range for Mr. Gordon was 97 to 121 months'

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imprisonment, but the government filed a motion to reduce his sentence for substantial
assistance under U.S.S.G. § 5K1.1 due to Mr. Gordon's cooperation against his co-
defendants; pursuant to this motion, the court sentenced Mr. Gordon to 72 months'
imprisonment. No similar motion was filed for Mr. Goody. Given the disparities in
the quantity of drugs that each man was charged with, their relative levels of
cooperation and acceptance of responsibility, and their varying contributions to the
conspiracy, it was error for the district court to find that Mr. Gordon and Mr. Goody's
circumstances were so similar that the interests of justice required them to receive
identical sentences.

      We decline Mr. Goody's invitation to consider statistics that indicate that the
national average sentence for drug trafficking is 80 months. That figure was
computed by using sentences for trafficking in all illicit drugs, and from the data that
Mr. Goody presents, we are unable to conclude that his sentence exceeds that typically
given for trafficking in methamphetamine.

     For the aforementioned reasons, we vacate the judgment of the district court and
remand for resentencing.
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