Executive Summary 3 Acronyms 4 Definitions 5 Introduction 6 Purpose 6 Background 6 The District's Climate Adaptation and Resilience Planning 7 Methods 9 Scope 9 Scales of Analysis 9 Planning Horizons and Historical Baseline 10 Scenarios 11 Uncertainty 12 Constraints and Limitations 13 Updated Climate Change Projections for the District 14 Extreme Heat 14 Overview 14 Method 14 Climate Change Indicators 15 Average Temperatures 15 Extreme Temperatures 16 Heat Waves 20 Implications 21 Increasing Precipitation 23概述23方法23气候变化指标24年平均降水量24天至少1或2英寸的降水量24强度 - 频率 - 频率统计统计28含义28含义28海平面上升30概述30方法30方法30方法变化指标30未来更新34结论36 Appendix A:国家气候评估37
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