When they came back they said there were fifteen inches of water in the measuring tube, which, in the receiver, would be an inch and a half.

"That would just fill it," said Donald.

"Does that mean," asked Susie, "that if the rain had stayed on the ground it would be an inch and a half deep all over?"

"Yes," answered Uncle Robert.

"Would that be very much?" she asked, taking the rod by which the rain in the gauge was measured and finding the mark for an inch and a half.

"We might find out how much it would be on Susie's garden," said Uncle
Robert. "Does any one know how large the garden is?"

No one knew.

"Let's get father's tapeline and measure it," said Frank.

"Oh, do," said Susie, always interested in anything about her garden.

When they came in Donald said: