Median monthly rain fall at the Esk Post Office in the centre of the Somerset region since records began in 1887 is . The highest recorded annual rainfall was in 1893, the year of the 1893 Brisbane flood also known as the Black February floods. By contrast, the rainfall recorded for the year of the 2010–2011 Queensland floods in South East Queensland was , but for the period January 2010 to January 2011, the total rainfall was .