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Inflation · ORIGINAL ECONOMIC RELEASE

August 2018 Consumer Price Index

The Consumer Price Index for All Urban Consumers (CPI-U) increased 0.2 percent in August on a seasonally adjusted basis, the same increase as in July, the U.S. Bureau of Labor Statistics reported today. Over the last 12 months, the all…

Historical releaseThe figures below describe the original reporting period. They are not today’s rates or a current economic forecast.Today’s market brief →

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The Consumer Price Index for All Urban Consumers (CPI-U) increased 0.2 percent in August on a seasonally adjusted basis, the same increase as in July, the U.S. Bureau of Labor Statistics reported today. Over the last 12 months, the all items index rose 2.7 percent before seasonal adjustment.

Increases in the indexes for shelter and energy were the main contributors to the seasonally adjusted monthly increase in the all items index. The energy index increased 1.9 percent in August; a 3.0-percent increase in the gasoline index was the largest factor, but the other energy component indexes also rose. The shelter index increased 0.3 percent in August, the same increase as in July. The food index rose only slightly in August, with the index for food at home unchanged.

The index for all items less food and energy rose 0.1 percent in August, the smallest monthly increase since April. Along with the shelter index, the indexes for airline fares and used cars and trucks were among those that increased in August. An array of indexes declined, including apparel, medical care, communication,recreation, and personal care.

The all items index rose 2.7 percent for the 12 months ending August, a smaller increase than the 2.9 percent increase for the 12 months ending July. The index for all items less food and energy rose 2.2 percent for the 12 months ending August and the energy index increased 10.2 percent; these were both smaller increases than for the 12 months ending July. The food index increased 1.4 percent over the last 12 months, the same increase as for the period ending July.

Seasonally adjusted changes from preceding month Un- adjusted 12-mos. Feb. Mar. Apr. May June July Aug. ended 2018 2018 2018 2018 2018 2018 2018 Aug. 2018

Food

The food index rose 0.1 percent in August as the index for food away from home rose 0.2 percent and the food at home index was unchanged. The major grocery store food groups generally posted small changes in August. The fruits and vegetables index was the only one to decline, falling 0.3 percent as the index for fresh fruits declined 1.4 percent.

The index for nonalcoholic beverages rose 0.2 percent, and the index for meats, poultry, fish, and eggs increased 0.1 percent, as did the index for dairy and related products. The indexes for cereals and bakery products and for other food at home were both unchanged in August.

The food at home index increased 0.5 percent over the past year. The index for meats, poultry, fish, and eggs rose 1.1 percent over the span; the remaining major grocery store food group indexes posted smaller increases, except for the dairy index, which was unchanged over the last 12 months. The index for food away from home rose 2.6 percent over the last year.

Energy

The energy index rose 1.9 percent in August after declining in June and July. The gasoline index rose 3.0 percent in August after declining 0.6 percent in July. (Before seasonal adjustment, gasoline prices decreased 0.3 percent in August.) The index for electricity rose 0.3 percent in August after falling in June and July. The index for natural gas also turned up in August, rising 0.9 percent after falling in each of the 5 prior months.

The energy index increased 10.2 percent over the past year. The indexes for gasoline and fuel oil rose sharply, increasing 20.3 percent and 30.9 percent, respectively. The index for natural gas rose slightly over the past 12 months, increasing 0.1 percent, while the electricity index declined 0.5 percent.

All items less food and energy

The index for all items less food and energy increased 0.1 percent in August. The shelter index rose 0.3 percent in August, the same increase as in July. The rent index rose 0.4 percent and the index for owners' equivalent rent advanced 0.3 percent.

The index for airline fares increased 2.4 percent in August following a 2.7-percent increase in July. The index for used cars and trucks also continued to rise, advancing 0.4 percent in August after a 1.3-percent increase in July. The index for education also increased in August.

The apparel index declined in August, falling 1.6 percent, its third consecutive decline. The medical care index declined in August, falling 0.2 percent, the same decrease as in July. The indexes for physicians' services and hospital services both declined 0.1 percent, while the index for prescription drugs was unchanged. The index for communication fell 0.2 percent in August, and the indexes for recreation and for personal care both fell 0.1 percent. The indexes for new vehicles and for household furnishings and operations were both unchanged in August.

The index for all items less food and energy rose 2.2 percent over the past 12 months. The shelter index increased 3.4 percent over the last 12 months, and the medical care index rose 1.5 percent. The index for new vehicles rose 0.3 percent over the span, while the indexes for apparel and for airline fares both declined over the past 12 months.

Not seasonally adjusted CPI measures

The Consumer Price Index for All Urban Consumers (CPI-U) increased 2.7 percent over the last 12 months to an index level of 252.146 (1982-84=100). For the month, the index increased 0.1 percent prior to seasonal adjustment.

The Consumer Price Index for Urban Wage Earners and Clerical Workers (CPI-W) increased 2.9 percent over the last 12 months to an index level of 246.336 (1982-84=100). For the month, the index increased 0.1 percent prior to seasonal adjustment.

The Chained Consumer Price Index for All Urban Consumers (C-CPI-U) increased 2.5 percent over the last 12 months. For the month, the index was unchanged on a not seasonally adjusted basis. Please note that the indexes for the past 10 to 12 months are subject to revision.

Source: U.S. Bureau of Labor Statistics · Original release Sep 13, 2018.

Archived Nov 11, 2026. Source reuse policy. Formatting has been adapted for reading; the source’s conclusions remain attributed to its publisher.

MortgageRates.news analysis · Historical context

The mortgage market around this release

This original analysis is separate from the source article. It compares observed benchmarks around ; historical averages and yields are not current mortgage offers.

Read consumer inflation on a consistent basis

The Consumer Price Index measures changes in prices paid by urban consumers for a basket of goods and services. Check the index, reference month and seasonal adjustment before comparing figures. A monthly change and a twelve-month change describe different periods; the all-items index and the measure excluding food and energy cover different baskets. Consumer inflation informs the wider policy discussion, but the benchmark comparison below does not isolate this release from other information arriving during the month. BLS Consumer Price Index.

Nearest published observation on or before each target date
Benchmark30 days earlierAug 14, 2018Publication referenceSep 13, 201830 days laterOct 13, 2018
30-year fixed mortgageNational weekly averageFreddie Mac Primary Mortgage Market Survey®4.59%Observed 4.60%Observed +1 bps vs. earlier reference4.90%Observed +30 bps vs. publication reference
10-year TreasuryDaily par yieldU.S. Department of the Treasury2.89%Observed 2.97%Observed +8 bps vs. earlier reference3.15%Observed +18 bps vs. publication reference

Calendar references, not an intraday reaction. A same-day market observation may have been published after a morning release. These figures do not show what was known at its exact publication time. One basis point (bp) is 0.01 percentage point; changes use the actual dated observations shown.

Six months around publication

Jun 13, 2018 – Dec 13, 2018
Historical mortgage and Treasury observations around Sep 13, 2018Each dot is a published observation. No missing values are estimated. The dashed vertical line marks the article’s publication calendar date. Rates and yields are percentages.2.50%3.75%5.00%Publication date30-year fixed mortgage: 4.62% · Jun 14, 201830-year fixed mortgage: 4.57% · Jun 21, 201830-year fixed mortgage: 4.55% · Jun 28, 201830-year fixed mortgage: 4.52% · Jul 5, 201830-year fixed mortgage: 4.53% · Jul 12, 201830-year fixed mortgage: 4.52% · Jul 19, 201830-year fixed mortgage: 4.54% · Jul 26, 201830-year fixed mortgage: 4.60% · Aug 2, 201830-year fixed mortgage: 4.59% · Aug 9, 201830-year fixed mortgage: 4.53% · Aug 16, 201830-year fixed mortgage: 4.51% · Aug 23, 201830-year fixed mortgage: 4.52% · Aug 30, 201830-year fixed mortgage: 4.54% · Sep 6, 201830-year fixed mortgage: 4.60% · Sep 13, 201830-year fixed mortgage: 4.65% · Sep 20, 201830-year fixed mortgage: 4.72% · Sep 27, 201830-year fixed mortgage: 4.71% · Oct 4, 201830-year fixed mortgage: 4.90% · Oct 11, 201830-year fixed mortgage: 4.85% · Oct 18, 201830-year fixed mortgage: 4.86% · Oct 25, 201830-year fixed mortgage: 4.83% · Nov 1, 201830-year fixed mortgage: 4.94% · Nov 8, 201830-year fixed mortgage: 4.94% · Nov 15, 201830-year fixed mortgage: 4.81% · Nov 21, 201830-year fixed mortgage: 4.81% · Nov 29, 201830-year fixed mortgage: 4.75% · Dec 6, 201830-year fixed mortgage: 4.63% · Dec 13, 201810-year Treasury: 2.98% · Jun 13, 201810-year Treasury: 2.94% · Jun 14, 201810-year Treasury: 2.93% · Jun 15, 201810-year Treasury: 2.92% · Jun 18, 201810-year Treasury: 2.89% · Jun 19, 201810-year Treasury: 2.93% · Jun 20, 201810-year Treasury: 2.90% · Jun 21, 201810-year Treasury: 2.90% · Jun 22, 201810-year Treasury: 2.87% · Jun 25, 201810-year Treasury: 2.88% · Jun 26, 201810-year Treasury: 2.83% · Jun 27, 201810-year Treasury: 2.84% · Jun 28, 201810-year Treasury: 2.85% · Jun 29, 201810-year Treasury: 2.87% · Jul 2, 201810-year Treasury: 2.83% · Jul 3, 201810-year Treasury: 2.84% · Jul 5, 201810-year Treasury: 2.82% · Jul 6, 201810-year Treasury: 2.86% · Jul 9, 201810-year Treasury: 2.87% · Jul 10, 201810-year Treasury: 2.85% · Jul 11, 201810-year Treasury: 2.85% · Jul 12, 201810-year Treasury: 2.83% · Jul 13, 201810-year Treasury: 2.85% · Jul 16, 201810-year Treasury: 2.86% · Jul 17, 201810-year Treasury: 2.88% · Jul 18, 201810-year Treasury: 2.84% · Jul 19, 201810-year Treasury: 2.89% · Jul 20, 201810-year Treasury: 2.96% · Jul 23, 201810-year Treasury: 2.95% · Jul 24, 201810-year Treasury: 2.94% · Jul 25, 201810-year Treasury: 2.98% · Jul 26, 201810-year Treasury: 2.96% · Jul 27, 201810-year Treasury: 2.98% · Jul 30, 201810-year Treasury: 2.96% · Jul 31, 201810-year Treasury: 3.00% · Aug 1, 201810-year Treasury: 2.98% · Aug 2, 201810-year Treasury: 2.95% · Aug 3, 201810-year Treasury: 2.94% · Aug 6, 201810-year Treasury: 2.98% · Aug 7, 201810-year Treasury: 2.96% · Aug 8, 201810-year Treasury: 2.93% · Aug 9, 201810-year Treasury: 2.87% · Aug 10, 201810-year Treasury: 2.88% · Aug 13, 201810-year Treasury: 2.89% · Aug 14, 201810-year Treasury: 2.86% · Aug 15, 201810-year Treasury: 2.87% · Aug 16, 201810-year Treasury: 2.87% · Aug 17, 201810-year Treasury: 2.82% · Aug 20, 201810-year Treasury: 2.85% · Aug 21, 201810-year Treasury: 2.82% · Aug 22, 201810-year Treasury: 2.82% · Aug 23, 201810-year Treasury: 2.82% · Aug 24, 201810-year Treasury: 2.85% · Aug 27, 201810-year Treasury: 2.88% · Aug 28, 201810-year Treasury: 2.89% · Aug 29, 201810-year Treasury: 2.86% · Aug 30, 201810-year Treasury: 2.86% · Aug 31, 201810-year Treasury: 2.90% · Sep 4, 201810-year Treasury: 2.90% · Sep 5, 201810-year Treasury: 2.88% · Sep 6, 201810-year Treasury: 2.94% · Sep 7, 201810-year Treasury: 2.94% · Sep 10, 201810-year Treasury: 2.98% · Sep 11, 201810-year Treasury: 2.97% · Sep 12, 201810-year Treasury: 2.97% · Sep 13, 201810-year Treasury: 2.99% · Sep 14, 201810-year Treasury: 2.99% · Sep 17, 201810-year Treasury: 3.05% · Sep 18, 201810-year Treasury: 3.08% · Sep 19, 201810-year Treasury: 3.07% · Sep 20, 201810-year Treasury: 3.07% · Sep 21, 201810-year Treasury: 3.08% · Sep 24, 201810-year Treasury: 3.10% · Sep 25, 201810-year Treasury: 3.06% · Sep 26, 201810-year Treasury: 3.06% · Sep 27, 201810-year Treasury: 3.05% · Sep 28, 201810-year Treasury: 3.09% · Oct 1, 201810-year Treasury: 3.05% · Oct 2, 201810-year Treasury: 3.15% · Oct 3, 201810-year Treasury: 3.19% · Oct 4, 201810-year Treasury: 3.23% · Oct 5, 201810-year Treasury: 3.21% · Oct 9, 201810-year Treasury: 3.22% · Oct 10, 201810-year Treasury: 3.14% · Oct 11, 201810-year Treasury: 3.15% · Oct 12, 201810-year Treasury: 3.16% · Oct 15, 201810-year Treasury: 3.16% · Oct 16, 201810-year Treasury: 3.19% · Oct 17, 201810-year Treasury: 3.17% · Oct 18, 201810-year Treasury: 3.20% · Oct 19, 201810-year Treasury: 3.20% · Oct 22, 201810-year Treasury: 3.17% · Oct 23, 201810-year Treasury: 3.10% · Oct 24, 201810-year Treasury: 3.14% · Oct 25, 201810-year Treasury: 3.08% · Oct 26, 201810-year Treasury: 3.08% · Oct 29, 201810-year Treasury: 3.12% · Oct 30, 201810-year Treasury: 3.15% · Oct 31, 201810-year Treasury: 3.14% · Nov 1, 201810-year Treasury: 3.22% · Nov 2, 201810-year Treasury: 3.20% · Nov 5, 201810-year Treasury: 3.22% · Nov 6, 201810-year Treasury: 3.22% · Nov 7, 201810-year Treasury: 3.24% · Nov 8, 201810-year Treasury: 3.19% · Nov 9, 201810-year Treasury: 3.14% · Nov 13, 201810-year Treasury: 3.12% · Nov 14, 201810-year Treasury: 3.11% · Nov 15, 201810-year Treasury: 3.08% · Nov 16, 201810-year Treasury: 3.06% · Nov 19, 201810-year Treasury: 3.06% · Nov 20, 201810-year Treasury: 3.06% · Nov 21, 201810-year Treasury: 3.05% · Nov 23, 201810-year Treasury: 3.07% · Nov 26, 201810-year Treasury: 3.06% · Nov 27, 201810-year Treasury: 3.06% · Nov 28, 201810-year Treasury: 3.03% · Nov 29, 201810-year Treasury: 3.01% · Nov 30, 201810-year Treasury: 2.98% · Dec 3, 201810-year Treasury: 2.91% · Dec 4, 201810-year Treasury: 2.87% · Dec 6, 201810-year Treasury: 2.85% · Dec 7, 201810-year Treasury: 2.85% · Dec 10, 201810-year Treasury: 2.89% · Dec 11, 201810-year Treasury: 2.91% · Dec 12, 201810-year Treasury: 2.91% · Dec 13, 2018Jun 13, 2018Sep 13, 2018Dec 13, 2018
30-year fixed mortgage27 observations10-year Treasury126 observations
Dots show published observations only. Missing dates remain blank, with no interpolation. The series have different publication schedules and measure different markets.

What that benchmark difference would mean for a $300,000 loan

At the publication reference$1,537.93/month

4.60% · Sep 13, 2018

At the later reference$1,592.18/month

4.90% · Oct 11, 2018

The illustrative principal-and-interest payment is $54.25 higher per month. This holds the loan amount and term constant to show the arithmetic effect of the benchmark difference.

Assumptions: two separate hypothetical $300,000 loans, each fully amortizing over 30 years with 360 monthly payments and its stated fixed interest rate. Excludes points, lender fees, taxes, insurance, association charges and other costs. PMMS is a national average, not an APR or a personalized rate offer. These are not two payments on one existing loan.

Sources, historical coverage and calculation limits

The 30-day comparisons use calendar days. Each cell selects the last published observation on or before its target; no rates are synthesized for missing dates. Gaps greater than seven days for daily Treasury data or fourteen days for weekly mortgage data are marked unavailable. Forward comparisons require the date to have arrived and source coverage to extend through it.

Historical files may contain revisions and do not reconstruct precisely what every market participant knew at the time. Freddie Mac changed its PMMS collection methodology in November 2022. Cross-period comparisons should account for that change. These windows include other news and cannot establish causation or forecast the next rate move.

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