I know some of these statistics are out there on the internet, but searching for them takes time (even in a world with LLMs), so I’m compiling them here.

To keep page load fast and make exploration easier, statistics are split across several different posts. Inland water levels now live with the normals page instead of on a separate monthly page.

Baselines

Weather Normals Explorer

When you want baselines to measure against.

Open normals
Departures

Weather Anomaly Explorer

If you like to ask the question "is this year weird?"

Open anomalies
Variability

Weather Distribution Explorer

Averages obscure variation. Variation matters.

Open distributions
Rankings

Weather Ranking Explorer

How rare was this month, season, or year?

Open rankings