Table of Contents

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