Data Quality

Environment & Water Systems · 2 min read · 2026-09-06

Weather Models and Field Observations Are Different Kinds of Data

Before interpreting a temperature for a location, first ask where the number came from. A nearby station observation, a model grid value, and a later reanalysis product are not the same kind of evidence.

Environment Data Quality

Observability & Monitoring · 2 min read · 2024-09-09

No Data Is Not Zero

Replacing missing data with zero can make a graph look cleaner while changing its meaning. Zero says a measurement was made and the result was zero. No data says the result is unknown.

metrics Data Quality