NWS temperature audit
Global Warming by Design
On April 4, 2026, the NWS declared record temperatures in Philadelphia and Dallas. The data from their own instruments says otherwise. The datasets below are the complete records; every claim in the article can be checked against them.
Dallas / Fort Worth (KDFW) — April 4, 2026
CLI reported 74°F. Highest visible observation: 73.4°F (23°C). Highest hourly METAR: 73.0°F (22.8°C). Zero out of 213 observations reached 74°F.
213 temperature readings from the KDFW ASOS station across the full CLI day.
Official NWS Climatological Report with discrepancy analysis and rounding breakdown.
Philadelphia (KPHL) — April 4, 2026
CLI reported 84°F (new all-time record, breaking 80°F from 1892). Highest visible observation: 82.4°F (28°C). Highest hourly METAR: 82.9°F (28.3°C). Zero out of 215 observations reached 83°F.
215 temperature readings from the KPHL ASOS station across the full CLI day.
Official NWS Climatological Report with record analysis and rounding breakdown.
Analysis
The full investigative article with technical explanation of the ASOS dual-path architecture, rounding math, and systematic bias analysis.
Complete editorial with appendices, conversion tables, and API reproduction guide.
Primary sources (NWS API)
Every dataset above was derived from these public NWS endpoints. No account is needed to query them.