Your weather app compares today against a “normal” that is
really the climate of 2005 — then acts surprised, day after day, when
it’s warmer. Nowmal shows your town’s forecast against the climate you actually
live in. NOAA’s own data, without the nostalgia.
U.S. counties covered
3,136
every county in the NOAA record
Median drift
+0.7°F
how far the typical county’s normal high lags its climate
Largest drift
+2.0°F
and single winter days exceed +2.5°F in some counties
Data source
NOAA
nClimDiv + U.S. Climate Normals, public data
How it works
1. Start from the official number. NOAA’s 1991–2020 climate
normal — the same one your weather app uses.
2. Measure the local trend. Each county’s warming rate, fit to NOAA’s
homogenized record back to 1895 using NOAA’s published hinge-fit method.
3. Advance it to today. The normal is centered on mid-2005 — 20.5 years
ago. Nowmal moves it to 2026. Full methodology →
Okay, it’s bad. Now do something.
Aug 25–27 · free to watch
SuperCrowd26 featuring PurposeBuilt100™
Three days and 27 hours of live programming, ending with the countdown of
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Superpowers for Good — a top-100 Substack in Climate &
Environment — covers the founders fixing real problems and the ordinary people
who fund them. Something to do besides recycling.