Barometric pressure had fallen all day, but at five o’clock Galveston time it began to fall as if someone had punched a leak into the instrument’s mercury basin. At five, the barometer read 29.05 inches. Nineteen minutes later, 28.95. At 6:40 P.M., 28.73 inches. Eight minutes later, 28.70. An hour later, the barometer read 28.53 inches, and continued falling. It bottomed at 28.48.
