•4.1.1 Air Quality Days •4.1.2 Overall Water Quality Index - Skagit River •4.1.3 Lowest Annual River Flow •4.1.4 Water Temperature Index •4.1.5 PM 2.5 Concentration •4.1.6 Annual PM2.5 and O3 days •4.1.7 Water Use Per Capita •4.1.8 Average Annual Rainfall •4.1.9 Total Annual High Heat Days •4.1.10 Maximum Annual Air Temperature
•4.2.1 Population Density •4.2.2 Acreage of Natural Resource Land •4.2.3 Developed Impervious Surfaces
•4.3.1 Electricity Consumption by Type •4.3.2 Renewable Energy Consumption •4.3.3 Municipal Solid Waste: Total & per Capita •4.3.4 Recycled Municipal Solid Waste
•4.4.1 Christmas Bird Count
