Which are considerably longer. The following table presents the duration, in minutes of 30 dormancy period that occurred during a recent year

2 3 LE 6 7 8 9 10 11 12 The geyser Old Faithful in Yellowstone National Park alternates periods of eruption, which typically last from 1.5 to 4 minutes, with periods of dorma are considerably longer. The following table presents the durations, in minutes, of 30 dormancy periods that occurred during a recent year. 89 86 97 71 96 71 90 93 71 82 83 86 59 116 97 97 93 92 101 93 89 93 91 83 66 82 66 96 90 90 Send data to Excel