recurrence interval

The average time interval between occurrences of a hydro-logic event, such as a flood, of a given or greater magnitude.

Related terms:

• mean rise interval
• strength-of-flood interval
• mean low-water lunitidal interval
• mean high-water lunitidal interval
• low-water lunitidal interval
• low-water interval
• strength-of-ebb interval
• high-water lunitidal interval
• tropic higher-high-water interval
• tropic lower-low-water interval