about nine o'clock
`` I hope we do n't catch it before we reach where we are going to . A snowstorm in the mountains is not a very pleasant thing to encounter . '' `` We must run our chances , '' returned Matt , and Billy was urged forward , and soon the city outskirts were left far behind . The sun had shone for awhile , but about nine o'clock it went under a heavy cloud . Then it began to get slightly warmer , and Andy was certain that snow was coming . His prediction was fulfilled . By ten o'clock it was snowing furiously , and by eleven the ground was covered to the depth of half a foot .