IBOV 177,547.57 ▲ 2.44% IPSA 11,009.22 ▲ 0.50% IPC MEX 67,298.78 ▲ 0.88% MERVAL 3,379,771 ▲ 2.98% COLCAP 2,297.00 ▼ 0.19% BVL PERÚ 57,575.02 — — USD/BRL5.05▼ 0.01% USD/MXN17.37▼ 0.11% USD/CLP937.27▲ 0.17% USD/COP3,205▼ 0.70% USD/PEN3.39▼ 0.31% USD/ARS1,482▲ 0.30% USD/UYU40.14▲ 1.16% USD/PYG6,035▲ 1.38% USD/BOB10.95▲ 2.82% USD/DOP57.99▼ 0.02% USD/CRC447.42▲ 1.36% USD/GTQ7.62▲ 2.31% USD/HNL26.74▲ 0.88% USD/NIO36.62▲ 0.31% USD/VES736.04▼ 0.13% USD/PAB1.00— 0.00% USD/BZD2.00— 0.00% USD/JMD157.49▲ 0.36% USD/TTD6.71▲ 0.76% EUR/BRL5.78▼ 0.36% BRENT 95.98 ▲ 2.03% WTI 88.13 ▲ 1.50% IRON ORE 161.91 — — COPPER 6.53 ▲ 1.26% GOLD 4,132 ▼ 0.36% SILVER 60.14 ▲ 0.19% SOY 1,242 ▲ 0.71% CORN 484.75 ▲ 4.92% WHEAT 703.75 ▼ 0.28% COFFEE 318.05 ▼ 4.19% SUGAR 14.75 ▼ 0.87% ORANGE JUICE 147.50 ▲ 2.57% COTTON 81.36 ▲ 3.04% COCOA 5,353 ▼ 4.53% BEEF 219.20 ▼ 3.30% CATTLE 336.15 ▼ 3.83% LITHIUM 69.00 ▼ 0.12% PETR4 42.58 ▲ 2.21% VALE3 75.10 ▲ 3.96% ITUB4 42.90 ▲ 0.87% BBDC4 18.97 ▲ 2.26% ABEV3 16.13 ▲ 2.09% BBAS3 21.09 ▲ 1.01% B3SA3 15.90 ▲ 4.81% WEGE3 46.74 ▲ 10.05% PRIO3 59.77 ▲ 2.73% SUZB3 42.66 ▲ 2.47% RENT3 37.14 ▲ 1.61% AZZA3 17.81 ▲ 1.89% CSAN3 3.92 ▲ 3.70% RAIZ4 0.27 — 0.00% PCAR3 2.75 ▲ 0.73% GMAT3 3.91 ▲ 2.09% PSSA3 55.45 ▲ 3.68% CVCB3 1.27 ▲ 13.39% POSI3 3.70 ▲ 0.54% SLCE3 13.96 ▲ 1.53% NATU3 8.68 ▼ 0.34% BRKM5 6.07 ▲ 6.30% RANI3 8.00 ▲ 1.39% CSNA3 5.38 ▲ 6.32% CMIN3 5.84 ▲ 4.66% USIM5 8.65 ▲ 2.25% GGBR4 24.06 ▲ 2.43% ENEV3 25.97 ▲ 2.16% CPFE3 46.71 ▲ 0.67% CMIG4 11.21 ▲ 1.72% EQTL3 39.35 ▲ 1.34% LREN3 13.54 ▲ 2.03% VIVT3 35.38 ▼ 1.17% RAIL3 13.64 ▲ 3.02% KLABIN 17.93 ▲ 1.93% RAIA DROGASIL 18.29 ▲ 0.88% RDOR3 34.49 ▲ 1.68% HAPV3 11.39 ▲ 1.33% FLRY3 16.65 ▲ 0.60% SMTO3 16.05 ▲ 3.02% UGPA3 32.83 ▲ 3.17% VBBR3 34.98 ▲ 3.03% BBSE3 42.58 ▲ 2.48% BPAC11 57.02 ▲ 2.98% CURY3 30.20 ▲ 0.83% AERI3 2.05 ▲ 0.49% VIVARA 21.55 ▲ 0.65% COMPASS 24.81 ▲ 1.51% VAMOS 3.23 ▲ 4.53% SANB11 26.95 ▼ 0.96% ASAI3 8.40 ▲ 1.82% SBSP3 29.29 ▲ 2.41% WALMEX 48.65 ▼ 1.02% GMEXICO 214.34 ▲ 2.57% FEMSA 227.98 ▲ 0.55% CEMEX 22.17 ▲ 0.45% GFNORTE 191.99 ▲ 3.33% BIMBO 60.30 ▲ 1.53% TELEVISA 9.82 ▲ 0.61% AMX 22.70 ▼ 0.26% GAP 378.40 ▼ 0.03% ASUR 273.53 ▼ 0.52% OMA 229.62 ▲ 1.49% KOF 182.55 ▲ 1.15% GRUMA 280.45 ▼ 0.76% KIMBER 38.85 ▲ 1.17% SQM-B 65,055 ▲ 0.80% COPEC 6,550 ▲ 1.55% BSANTANDER 79.85 ▲ 1.06% FALABELLA 6,042 ▲ 2.08% ENELAM 84.53 — 0.00% CENCOSUD 2,010 ▼ 0.89% CMPC 1,070 ▼ 1.28% BANCO CHILE 193.50 ▲ 1.84% LATAM AIR 24.09 ▼ 0.45% YPF 82,500 ▲ 2.33% GGAL 8,275 ▲ 3.89% PAMPA 5,625 ▲ 2.74% TXAR 668.50 ▼ 1.55% ALUAR 974.00 ▲ 0.10% TGS 9,905 ▲ 2.01% CEPU 2,411 ▲ 3.03% MIRGOR 16,925 ▲ 0.89% COME 43.14 ▲ 0.63% LOMA NEGRA 3,823 ▲ 6.03% BYMA 295.00 ▲ 0.94% TELECOM ARG 4,420 ▲ 3.88% ECOPETROL 16.69 ▲ 0.97% BANCOLOMBIA 84.66 ▲ 1.22% GRUPO AVAL 5.04 ▼ 0.98% CREDICORP 393.43 ▲ 0.60% SOUTHERN COPPER 195.48 ▲ 3.97% BUENAVENTURA 32.09 ▲ 2.69% MERCADOLIBRE 1,799 ▼ 1.29% NUBANK 14.51 ▲ 0.83% XP 17.30 ▲ 2.67% PAGSEGURO 9.67 ▲ 0.94% STONE 11.36 ▲ 0.93% GLOBANT 30.67 ▼ 4.45% TECNOGLASS 45.24 ▲ 0.20% GAP AIRPORT 217.70 ▲ 0.01% ASUR 273.53 ▼ 0.52% OMA AIRPORT 105.35 ▲ 1.07% AMX ADR 26.12 ▲ 0.12% FEMSA ADR 130.96 ▲ 0.47% CEMEX ADR 12.74 ▲ 0.32% PETROBRAS ADR 18.89 ▲ 1.89% VALE ADR 14.85 ▲ 4.21% ITAU ADR 8.48 ▲ 0.95% SANTANDER BR 5.45 ▲ 0.74% AMBEV ADR 3.14 ▲ 0.96% CSN 1.09 ▲ 9.00% GERDAU 4.77 ▲ 2.69% LATAM ADR 51.22 ▼ 0.68% BTC 65,600 ▼ 0.76% ETH 1,922 ▼ 0.61% SOL 77.60 ▼ 0.39% XRP 1.14 ▼ 0.57% BNB 569.70 ▼ 0.18% ADA 0.17 ▲ 0.28% DOGE 0.07 ▼ 0.63% AVAX 6.56 ▼ 0.86% LINK 8.60 ▼ 0.29% DOT 0.82 ▼ 1.10% LTC 47.16 ▲ 0.19% BCH 217.86 ▼ 0.96% TRX 0.33 ▼ 0.06% XLM 0.18 ▼ 1.63% HBAR 0.07 ▲ 0.48% NEAR 1.87 ▼ 0.05% ATOM 1.45 ▼ 0.99% AAVE 96.89 ▼ 0.48% SELIC 14.25% EMBRAER 83.79 ▲ 1.38% EMBRAER ADR 66.05 ▲ 0.89% JBS 12.25 ▲ 2.51% JBS BDR 61.80 ▲ 2.62% MBRF3 16.03 ▲ 6.09% MBRFY 3.19 ▲ 8.14% INTER 5.69 ▲ 1.97% EGX 53,932 ▼ 0.11% USD/ZAR16.35▼ 0.24% USD/NGN 1,370 — 0.00% NIKKEI 66,536 ▲ 0.64% CSI300 4,708 ▼ 0.20% HSI 25,227 ▲ 1.34% NIFTY 23,965 ▼ 0.13% KOSPI 7,051 ▲ 3.73% JCI 6,432 ▲ 1.54% USD/JPY163.05▼ 0.06% USD/CNY6.77▼ 0.08% DAX 25,155 ▲ 0.58% CAC 8,438 ▲ 0.89% FTSE 10,717 ▲ 1.24% MIB 52,792 ▲ 0.97% IBEX 19,571 ▲ 0.99% STOXX 646.93 ▲ 0.58% EUR/USD1.14▲ 0.21% GBP/USD1.34▲ 0.08% SPX 7,499 ▼ 0.14% DJI 52,219 ▼ 0.01% NDX 28,998 ▼ 0.54% RUT 2,960 ▼ 0.92% TSX 35,485 ▲ 0.33% VIX 16.64 ▼ 2.40% USD/CAD1.41▼ 0.18% US10Y 4.6570 ▲ 0.63% IBOV 177,547.57 ▲ 2.44% IPSA 11,009.22 ▲ 0.50% IPC MEX 67,298.78 ▲ 0.88% MERVAL 3,379,771 ▲ 2.98% COLCAP 2,297.00 ▼ 0.19% BVL PERÚ 57,575.02 — — USD/BRL 5.05 ▼ 0.01% USD/MXN 17.37 ▼ 0.11% USD/CLP 937.27 ▲ 0.17% USD/COP 3,205 ▼ 0.70% USD/PEN 3.39 ▼ 0.31% USD/ARS 1,482 ▼ 0.03% USD/UYU 40.14 ▲ 1.16% USD/PYG 6,035 ▲ 1.38% USD/BOB 10.95 ▲ 2.82% USD/DOP 57.99 ▼ 0.02% USD/CRC 447.42 ▲ 1.36% USD/GTQ 7.62 ▲ 2.31% USD/HNL 26.74 ▲ 0.88% USD/NIO 36.62 ▲ 0.31% USD/VES 736.04 ▼ 0.13% USD/PAB 1.00 — 0.00% USD/BZD 2.00 — 0.00% USD/JMD 157.49 ▲ 0.36% USD/TTD 6.71 ▲ 0.76% EUR/BRL 5.78 ▼ 0.36% BRENT 95.98 ▲ 2.03% WTI 88.13 ▲ 1.50% IRON ORE 161.91 — — COPPER 6.53 ▲ 1.26% GOLD 4,132 ▼ 0.36% SILVER 60.14 ▲ 0.19% SOY 1,242 ▲ 0.71% CORN 484.75 ▲ 4.92% WHEAT 703.75 ▼ 0.28% COFFEE 318.05 ▼ 4.19% SUGAR 14.75 ▼ 0.87% ORANGE JUICE 147.50 ▲ 2.57% COTTON 81.36 ▲ 3.04% COCOA 5,353 ▼ 4.53% BEEF 219.20 ▼ 3.30% CATTLE 336.15 ▼ 3.83% LITHIUM 69.00 ▼ 0.12% PETR4 42.58 ▲ 2.21% VALE3 75.10 ▲ 3.96% ITUB4 42.90 ▲ 0.87% BBDC4 18.97 ▲ 2.26% ABEV3 16.13 ▲ 2.09% BBAS3 21.09 ▲ 1.01% B3SA3 15.90 ▲ 4.81% WEGE3 46.74 ▲ 10.05% PRIO3 59.77 ▲ 2.73% SUZB3 42.66 ▲ 2.47% RENT3 37.14 ▲ 1.61% AZZA3 17.81 ▲ 1.89% CSAN3 3.92 ▲ 3.70% RAIZ4 0.27 — 0.00% PCAR3 2.75 ▲ 0.73% GMAT3 3.91 ▲ 2.09% PSSA3 55.45 ▲ 3.68% CVCB3 1.27 ▲ 13.39% POSI3 3.70 ▲ 0.54% SLCE3 13.96 ▲ 1.53% NATU3 8.68 ▼ 0.34% BRKM5 6.07 ▲ 6.30% RANI3 8.00 ▲ 1.39% CSNA3 5.38 ▲ 6.32% CMIN3 5.84 ▲ 4.66% USIM5 8.65 ▲ 2.25% GGBR4 24.06 ▲ 2.43% ENEV3 25.97 ▲ 2.16% CPFE3 46.71 ▲ 0.67% CMIG4 11.21 ▲ 1.72% EQTL3 39.35 ▲ 1.34% LREN3 13.54 ▲ 2.03% VIVT3 35.38 ▼ 1.17% RAIL3 13.64 ▲ 3.02% KLABIN 17.93 ▲ 1.93% RAIA DROGASIL 18.29 ▲ 0.88% RDOR3 34.49 ▲ 1.68% HAPV3 11.39 ▲ 1.33% FLRY3 16.65 ▲ 0.60% SMTO3 16.05 ▲ 3.02% UGPA3 32.83 ▲ 3.17% VBBR3 34.98 ▲ 3.03% BBSE3 42.58 ▲ 2.48% BPAC11 57.02 ▲ 2.98% CURY3 30.20 ▲ 0.83% AERI3 2.05 ▲ 0.49% VIVARA 21.55 ▲ 0.65% COMPASS 24.81 ▲ 1.51% VAMOS 3.23 ▲ 4.53% SANB11 26.95 ▼ 0.96% ASAI3 8.40 ▲ 1.82% SBSP3 29.29 ▲ 2.41% WALMEX 48.65 ▼ 1.02% GMEXICO 214.34 ▲ 2.57% FEMSA 227.98 ▲ 0.55% CEMEX 22.17 ▲ 0.45% GFNORTE 191.99 ▲ 3.33% BIMBO 60.30 ▲ 1.53% TELEVISA 9.82 ▲ 0.61% AMX 22.70 ▼ 0.26% GAP 378.40 ▼ 0.03% ASUR 273.53 ▼ 0.52% OMA 229.62 ▲ 1.49% KOF 182.55 ▲ 1.15% GRUMA 280.45 ▼ 0.76% KIMBER 38.85 ▲ 1.17% SQM-B 65,055 ▲ 0.80% COPEC 6,550 ▲ 1.55% BSANTANDER 79.85 ▲ 1.06% FALABELLA 6,042 ▲ 2.08% ENELAM 84.53 — 0.00% CENCOSUD 2,010 ▼ 0.89% CMPC 1,070 ▼ 1.28% BANCO CHILE 193.50 ▲ 1.84% LATAM AIR 24.09 ▼ 0.45% YPF 82,500 ▲ 2.33% GGAL 8,275 ▲ 3.89% PAMPA 5,625 ▲ 2.74% TXAR 668.50 ▼ 1.55% ALUAR 974.00 ▲ 0.10% TGS 9,905 ▲ 2.01% CEPU 2,411 ▲ 3.03% MIRGOR 16,925 ▲ 0.89% COME 43.14 ▲ 0.63% LOMA NEGRA 3,823 ▲ 6.03% BYMA 295.00 ▲ 0.94% TELECOM ARG 4,420 ▲ 3.88% ECOPETROL 16.69 ▲ 0.97% BANCOLOMBIA 84.66 ▲ 1.22% GRUPO AVAL 5.04 ▼ 0.98% CREDICORP 393.43 ▲ 0.60% SOUTHERN COPPER 195.48 ▲ 3.97% BUENAVENTURA 32.09 ▲ 2.69% MERCADOLIBRE 1,799 ▼ 1.29% NUBANK 14.51 ▲ 0.83% XP 17.30 ▲ 2.67% PAGSEGURO 9.67 ▲ 0.94% STONE 11.36 ▲ 0.93% GLOBANT 30.67 ▼ 4.45% TECNOGLASS 45.24 ▲ 0.20% GAP AIRPORT 217.70 ▲ 0.01% ASUR 273.53 ▼ 0.52% OMA AIRPORT 105.35 ▲ 1.07% AMX ADR 26.12 ▲ 0.12% FEMSA ADR 130.96 ▲ 0.47% CEMEX ADR 12.74 ▲ 0.32% PETROBRAS ADR 18.89 ▲ 1.89% VALE ADR 14.85 ▲ 4.21% ITAU ADR 8.48 ▲ 0.95% SANTANDER BR 5.45 ▲ 0.74% AMBEV ADR 3.14 ▲ 0.96% CSN 1.09 ▲ 9.00% GERDAU 4.77 ▲ 2.69% LATAM ADR 51.22 ▼ 0.68% BTC 65,600 ▼ 0.76% ETH 1,922 ▼ 0.61% SOL 77.60 ▼ 0.39% XRP 1.14 ▼ 0.57% BNB 569.70 ▼ 0.18% ADA 0.17 ▲ 0.28% DOGE 0.07 ▼ 0.63% AVAX 6.56 ▼ 0.86% LINK 8.60 ▼ 0.29% DOT 0.82 ▼ 1.10% LTC 47.16 ▲ 0.19% BCH 217.86 ▼ 0.96% TRX 0.33 ▼ 0.06% XLM 0.18 ▼ 1.63% HBAR 0.07 ▲ 0.48% NEAR 1.87 ▼ 0.05% ATOM 1.45 ▼ 0.99% AAVE 96.89 ▼ 0.48% SELIC 14.25% EMBRAER 83.79 ▲ 1.38% EMBRAER ADR 66.05 ▲ 0.89% JBS 12.25 ▲ 2.51% JBS BDR 61.80 ▲ 2.62% MBRF3 16.03 ▲ 6.09% MBRFY 3.19 ▲ 8.14% INTER 5.69 ▲ 1.97% EGX 53,932 ▼ 0.11% USD/ZAR 16.36 ▼ 0.32% USD/NGN 1,370 — 0.00% NIKKEI 66,536 ▲ 0.64% CSI300 4,708 ▼ 0.20% HSI 25,227 ▲ 1.34% NIFTY 23,965 ▼ 0.13% KOSPI 7,051 ▲ 3.73% JCI 6,432 ▲ 1.54% USD/JPY 163.05 ▼ 0.03% USD/CNY 6.7671 ▲ 0.05% DAX 25,155 ▲ 0.58% CAC 8,438 ▲ 0.89% FTSE 10,717 ▲ 1.24% MIB 52,792 ▲ 0.97% IBEX 19,571 ▲ 0.99% STOXX 646.93 ▲ 0.58% EUR/USD 1.1436 ▲ 0.24% GBP/USD 1.3389 ▲ 0.10% SPX 7,499 ▼ 0.14% DJI 52,219 ▼ 0.01% NDX 28,998 ▼ 0.54% RUT 2,960 ▼ 0.92% TSX 35,485 ▲ 0.33% VIX 16.64 ▼ 2.40% USD/CAD 1.4063 ▼ 0.13% US10Y 4.6570 ▲ 0.63%
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Thursday, July 23, 2026

Study reveals unreliability of U.S. climate data: 96% rated as inadequate

By · July 30, 2023 · 2 min read

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Climate change has become a prevalent topic in mainstream media, often featuring dire projections based on various climate data.

However, the reliability of such data is now being questioned.

Noted meteorologist Anthony Watts, associated with The Heartland Institute, has dedicated substantial time to studying weather patterns and climate data.

His recent report, “Corrupted Climate Stations: The Official U.S. Surface Temperature Record Remains Fatally Flawed,” unveils significant issues with the data collection process.

U.S. temperature stations
US Weather stations. (Photo Internet reproduction)
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Watts claims that 96% of the U.S. temperature stations used to monitor climate change do not meet the National Oceanic and Atmospheric Administration (NOAA) guidelines.

He argues that these stations are often situated near heat sources like asphalt or machinery in urban areas, leading to potential data distortion.

According to NOAA’s regulations, thermometers should be installed in natural environments like fields or hilltops, away from urban heat influences.

However, Watt’s research reveals that 96% of these devices are improperly placed, often in proximity to artificial heat sources such as buildings or parking lots.

This incorrect positioning results in inflated temperature readings, causing a “warming bias” in the collected data.

While urban areas are indeed warmer due to human activity, this localized increase in temperature should not be mistaken for global warming, suggests the study.

Human-induced changes, such as urbanization, create microclimates that can distort the overall climate data.

Media reporting on climate change often overlooks these nuances, leading to potential misinterpretation of data, which could subsequently influence public opinion and policy-making inaccurately.

The discourse on climate change is undeniably vital, but it is equally crucial that the underlying data are reliable and correctly interpreted.

This research underscores the importance of revisiting current data collection methodologies and improving climate monitoring systems for accurate climate change projections.

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