2022 one of the wettest years in Singapore for the past four decades

SINGAPORE: 2022 was one of the wettest years Singapore faced in the past four decades, according to the Meteorological Service Singapore (Met Service) on Mon (Jan 30).  

This past year was the sixth wettest year since 1980, with the average annual total rainfall within the country almost 19 per cent higher than the particular long-term average through 1991 to 2020, said the Fulfilled Service.  

The higher-than-average total rainfall in 2022 was partly inspired by persistent La Nina conditions in addition to a negative Indian Sea Dipole (IOD), which typically results in wetter-than-average conditions over Singapore and the nearby region.

La Nina is a climate phenomenon in the Pacific region, while IOD describes a sustained modify in the difference in between sea surface temps in the tropical traditional western and eastern Indian Ocean.  

The Met Service’s Changi climate place also recorded an overall total of 210 rain days, the third highest after the record high of 222 in 1973 and 1927.  

A rain day is defined as a day with 0. 2mm of rainfall recorded at a rainfall train station, said the Met Service.

Final October’s rainfall was the highest for that month in the past 40 years and the average rainfall for that month was 412. 0mm.  

The Changi weather station recorded 27 rain days, which usually exceeded the previous record of 23 for your month of Oct.  

Final March was also the wettest March since 2009, said the Met Service.

“The wet weather in March 2022 was mainly brought on by  strong photo voltaic heating of land areas coupled with (the) convergence of winds over the island, ” it added.  

A total associated with 134. 22mm of rainfall was recorded on March 7 in Jurong West, the second highest for the 30 days of March within the last 10 years.

“WARMEST DECADE ON RECORD”

Despite the wetter conditions,   Singapore’s annual mean temperatures in 2022 was your 10th highest since temperature records began in 1929.