Rubuta ci gaba don wannan sakin layi - Ambaliyar ruwa mai yawa tare da Kogin Mary ya haifar da ambaliyar ruwa a cikin birnin a 1870, 1873, 1893, 1955, 1968, 1974, 1989, 1992, 1999, 2011
da kuma 2013. Ambaliyar ruwa ta farko da aka rubuta a Gympie ta kasance a 1870. Yawancin ambaliyar ruwa suna faruwa ne tsakanin Disamba da Afrilu kuma yawanci ana haifar da ruwan sama mai yawa a cikin magudanar ruwa zuwa kudu.