United States

TTDI covers 20 cities across the United States. Each city holds between 39 and 44 published guides and answers. Honolulu leads at 44 pages. Nashville sits at 39. The rest fall between 40 and 43. You'll find comparable page counts whether you open Boston (43 pages) or Branson (43), New York (43) or Lynchburg (42), Los Angeles (40) or St. Augustine (43). The roster also includes Austin, Chicago, Las Vegas, Louisville, Miami, Orlando, Philadelphia, Phoenix, San Francisco, Saratoga Springs, Seattle, and St. Petersburg.

Las Vegas in July averages a high of 42°C with 1 rain day. Chicago in January drops to an average high of 0°C across 10 rain days. Las Vegas and Chicago mark the measured climate extremes in the 20-city set, both at 43 published pages. For a wider geographic starting point, New York (43 pages) and Honolulu (44 pages) sit at opposite ends of the United States.

The measured climate spread runs from Chicago's average high of 0°C in January with 10 rain days to Las Vegas's 42°C in July with 1 rain day.