Data Archive — exact, downloadable copies of high-value public-domain federal datasets and archived EPA climate indicators. Each dataset is preserved in its original format alongside a normalized JSON version.
EPA Climate Indicators
EPA Climate Change Indicators
Archived Dec 2025
57 indicators and 145 figures tracking greenhouse gases, temperature, sea level, wildfires, and more — removed from EPA.gov in December 2025.
Open Data
Global Land-Ocean Temperature Anomaly
NASA Goddard Institute for Space Studies
Annual global mean surface temperature anomaly combining land-surface air and sea-surface water temperatures, relative to the 1951–1980 average. The headline measure of long-term global warming.1880–2025146 records
Atmospheric CO₂ — Mauna Loa Annual Means
NOAA Global Monitoring Laboratory
Annual mean atmospheric carbon dioxide concentration measured at Mauna Loa Observatory, Hawaii — the longest continuous record of atmospheric CO₂, begun by C.D. Keeling in 1958.1959–202567 records
U.S. Billion-Dollar Weather & Climate Disasters
NOAA National Centers for Environmental Information
Every U.S. weather and climate disaster since 1980 with damages exceeding $1 billion (CPI-adjusted), including hurricanes, droughts, floods, severe storms, wildfires, and winter storms.1980–2024403 records
U.S. National Debt, 1790–Present
U.S. Department of the Treasury
Total public debt outstanding of the United States at the end of each fiscal year, from the first recorded figure in 1790 through the present — 235+ years of the nation's balance sheet.1790–2025237 records
U.S. Life Expectancy & Death Rates, 1900–Present
CDC National Center for Health Statistics
Life expectancy at birth and age-adjusted death rates for the United States since 1900, broken down by race and sex — over a century of American public health progress.1900–20181,071 records
Consumer Price Index (CPI-U), 1913–Present
Bureau of Labor Statistics
The canonical U.S. inflation measure: annual average Consumer Price Index for All Urban Consumers since 1913, with year-over-year inflation rates. The full BLS all-items series file is preserved as the raw archive copy.1913–2025113 records
U.S. State Population Estimates, 2020–2024
U.S. Census Bureau
Annual resident population estimates for every U.S. state, region, and the nation from the 2020 census base through 2024.2020–202453 records
U.S. Tornadoes, 1950–Present
NOAA Storm Prediction Center
Every recorded U.S. tornado since 1950 — over 71,000 events with date, location, magnitude, path, injuries, and fatalities. The full event-level database is preserved as the raw archive copy; annual totals are shown here.1950–202475 records
Presidential Campaign Finance, 1980–2024
Federal Election Commission
Total receipts and disbursements of the top 10 presidential candidates in every election cycle from 1980 through 2024, extracted from the FEC's bulk candidate summary files. The complete per-cycle summaries for all federal candidates are preserved as the raw archive copy.1980–2024120 records