---
kind: "unit"
title: "15"
title_heading: "Commerce and Trade"
key: "ch111/schIV"
level: "subchapter"
label: "Subchapter IV"
heading: "Improving Federal Precipitation Information"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/15/ch111-schIV"
sections_count: 3
---

# Subchapter IV — Improving Federal Precipitation Information

Title 15 — Commerce and Trade › Chapter 111 — Weather Research and Forecasting Innovation

## Sections

- [§8561. Study on precipitation estimation](/usc/15/8561.md)
- [§8562. Improving probable maximum precipitation estimates](/usc/15/8562.md)
- [§8563. Definitions](/usc/15/8563.md)