Precipitation in Northern Mariana Islands decreased to 2165.20 mm in 2024 from 2433.80 mm in 2023. Precipitation in Northern Mariana Islands averaged 1967.05 mm from 1901 until 2024, reaching an all time high of 2595.50 mm in 1963 and a record low of 1338.20 mm in 1998. source: Worldbank