| Introduction | |
| Part 1 | Large-scale Influences on Oregon's Weather and Climate |
| Part 2 | Climate Elements |
| Precipitation | |
| Temperature | |
| Winds | |
| Humidity | |
| Cloud Cover and Solar Radiation | |
| Snow | |
| Part 3 | Oregon Climate Zones |
| Zone 1: The Coastal Area | |
| Zone 2: The Willamette Valley | |
| Zone 3: The Southwest Interior | |
| Zone 4: The Northern Cascades | |
| Zone 5: The High Plateau | |
| Zone 6: The North Central Area | |
| Zone 7: The South Central Area | |
| Zone 8: The Northeast Area | |
| Zone 9: The Southeast Area | |
| Part 4 | Measuring and Reporting Climate Information |
| Who Does It? | |
| Types of Observations | |
| Access to Data via the Internet | |
| Data for Selected Oregon Stations | |
| Part 5 | Time Series |
| Water Year Precipitation for Oregon Climate Zones | |
| Water Year Precipitation for Selected Oregon Stations | |
| Part 6 | Special Topics |
| Long-term Wet-Dry Cycles in Oregon | |
| Long-term Climate Trends and Salmon Populations | |
| The El-Nino-Southern Oscillation Phenomenon | |
| Global Climate Change | |
| Part 7 | Appendices |
| Climate "Normals" | |
| Glossary | |
| Index |
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