Average high temperature in Chicago, 493, 543

Cloud height, 415

Determining the speed of a river, 446

Distance to a fire cave, 404

Distance to a forest fire, 411

Earthquake magnitude, 343, 346, 385, 389, 391

Height of a bamboo plant, 410

Height of a weather balloon, 415

Lightning, 416, 806

Ocean depth, 77

Water from melting snow, 148

Water wave, 478

Wind, 604, 632