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The average monthly price of 380 centistoke (cSt) intermediate fuel oil (IFO) in Singapore rose for only the third time in ten months in May, according to Bunker Index price data.

The 380 cSt average at the world's leading bunker port increased by $36, or 10.6 percent, to $375 per tonne this month, up from $339 per tonne in April. It is the highest monthly average since November 2014.

May saw Singapore's best-selling fuel grade record a $40 daily low-to-high price range of $358 to $398 per tonne.

Please find a table below outlining average monthly Singapore 380 cSt prices between April 2008 and May 2015.

Month	Average($/mt)	Low	High
May 15	375	358.00	398.00
Apr 15	339	310.00	368.00
Mar 15	324	300.00	358.00
Feb 15	351	295.00	377.00
Jan 15	283	265.00	318.00
Dec 14	365	310.00	443.00
Nov 14	468	435.00	488.00
Oct 14	498	459.50	558.00
Sep 14	574	556.00	596.00
Aug 14	591	582.00	602.00
Jul 14	596	586.00	613.00
Jun 14	607	590.00	623.00
May 14	592	581.00	605.00
Apr 14	587	577.00	594.00
Mar 14	596	590.00	616.00
Feb 14	612	598.50	630.00
Jan 14	606	595.00	635.00
Dec 13	606	598.00	621.00
Nov 13	602	593.50	617.00
Oct 13	611	600.00	625.00
Sep 13	599	585.00	615.00
Aug 13	600	588.00	612.00
Jul 13	593	582.00	604.00
Jun 13	596	570.00	615.00
May 13	603	590.00	622.00
Apr 13	610	585.00	639.00
Mar 13	628	617.00	641.00
Feb 13	646	626.00	663.00
Jan 13	625	605.00	639.00
Dec 12	599	587.00	610.00
Nov 12	603	586.00	616.00
Oct 12	637	613.50	656.00
Sep 12	670	628.00	699.00
Aug 12	658	623.00	685.00
Jul 12	607	584.00	632.00
Jun 12	583	560.00	610.00
May 12	663	619.00	720.00
Apr 12	715	705.00	734.00
Mar 12	727	718.00	740.00
Feb 12	725	710.00	739.00
Jan 12	722	689.00	737.00
Dec 11	661	625.00	684.00
Nov 11	682	655.00	713.00
Oct 11	660	625.00	690.00
Sep 11	644	620.00	669.00
Aug 11	645	623.00	684.00
July 11	659	632.00	681.00
June 11	647	620.00	677.00
May 11	633	608.00	670.00
Apr 11	669	650.00	685.00
Mar 11	633	622.00	645.00
Feb 11	606	562.00	668.00
Jan 11	534	507.00	560.00
Dec 10	498	492.00	506.00
Nov 10	482	462.00	508.00
Oct 10	462	451.00	473.00
Sep 10	436	429.00	448.00
Aug 10	441	422.00	465.00
Jul 10	434	412.00	450.00
Jun 10	435	418.00	450.00
May 10	452	406.00	498.00
Apr 10	480	458.00	497.00
Mar 10	459	447.00	473.00
Feb 10	456	434.00	473.00
Jan 10	481	455.00	508.00
Dec 09	463	438.00	490.00
Nov 09	464	447.00	477.00
Oct 09	440	412.00	465.00
Sep 09	426	408.00	442.00
Aug 09	437	418.00	452.00
Jul 09	407	381.00	437.00
Jun 09	398	385.50	422.00
May 09	343	294.00	382.00
Apr 09	289	256.00	308.00
Mar 09	244	225.00	272.00
Feb 09	257	235.00	278.00
Jan 09	258	235.00	288.00
Dec 08	232	214.00	260.00
Nov 08	235	205.00	295.00
Oct 08	406	268.00	575.00
Sep 08	610	530.00	714.00
Aug 08	671	617.00	728.00
Jul 08	718	665.00	763.00
Jun 08	629	573.00	681.00
May 08	580	524.00	635.00
Apr 08	523	491.00	545.00