| Nama Stasiun | : | TRMM-0289 | 
                                    
                                        | Lokasi Stasiun | : | Desa Muara Opu, Kecamatan Muara Batang Toru, Tapanuli Selatan, Provinsi Sumatera Utara | 
                                    
                                        | Longitude | : | 98.875000 | 
                                    
                                        | Latitude | : | 1.375000 | 
 
                                
                             
                             
                        
                            
                                
                                    
                                        | Tahun | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des | 
|---|
                                    
                                    
                                        | 1998 | 13 | 15 | 18 | 18 | 18 | 8 | 17 | 26 | 21 | 14 | 12 | 21 | 
| 1999 | 19 | 20 | 23 | 12 | 19 | 16 | 15 | 22 | 21 | 23 | 26 | 19 | 
| 2000 | 20 | 10 | 16 | 18 | 8 | 14 | 13 | 14 | 22 | 19 | 21 | 17 | 
| 2001 | 13 | 15 | 14 | 23 | 12 | 10 | 14 | 11 | 24 | 18 | 14 | 16 | 
| 2002 | 11 | 7 | 17 | 21 | 13 | 8 | 15 | 10 | 16 | 18 | 21 | 19 | 
| 2003 | 20 | 14 | 18 | 21 | 11 | 16 | 16 | 16 | 14 | 21 | 20 | 14 | 
| 2004 | 16 | 12 | 19 | 24 | 10 | 12 | 13 | 10 | 23 | 19 | 25 | 21 | 
| 2005 | 8 | 9 | 19 | 17 | 14 | 8 | 12 | 18 | 12 | 24 | 20 | 18 | 
| 2006 | 14 | 20 | 17 | 14 | 17 | 17 | 12 | 16 | 21 | 18 | 27 | 22 | 
| 2007 | 15 | 13 | 18 | 25 | 18 | 17 | 16 | 14 | 13 | 23 | 19 | 15 | 
| 2008 | 16 | 11 | 24 | 24 | 13 | 20 | 14 | 17 | 18 | 26 | 23 | 23 | 
| 2009 | 14 | 11 | 26 | 19 | 9 | 13 | 10 | 21 | 15 | 22 | 19 | 19 | 
| 2010 | 18 | 19 | 25 | 17 | 13 | 18 | 19 | 15 | 15 | 13 | 24 | 22 | 
| 2011 | 16 | 11 | 21 | 20 | 13 | 10 | 9 | 20 | 18 | 23 | 19 | 21 | 
| 2012 | 11 | 18 | 19 | 19 | 17 | 9 | 17 | 18 | 12 | 22 | 23 | 27 | 
| 2013 | 13 | 20 | 15 | 20 | 14 | 13 | 11 | 19 | 12 | 26 | 26 | 18 | 
| 2014 | 14 | 3 | 14 | 25 | 20 | 12 | 14 | 18 | 16 | 22 | 26 | 20 | 
| 2015 | 18 | 10 | 20 | 25 | 17 | 11 | 13 | 16 | 15 | 17 | 26 | 20 | 
| 2016 | 18 | 14 | 22 | 17 | 23 | 15 | 13 | 13 | 19 | 19 | 28 | 21 | 
| 2017 | 19 | 13 | 16 | 24 | 18 | 14 | 12 | 18 | 20 | 20 | 23 | 22 | 
| 2018 | 13 | 12 | 15 | 21 | 24 | 15 | 14 | 14 | 23 | 25 | 19 | 18 | 
| 2019 | 20 | 17 | 17 | 20 | 13 | 17 | 15 | 15 | 11 | 27 | 19 | 21 | 
                                    
                                    
                                        | Rata-rata | 15.41 | 13.36 | 18.77 | 20.18 | 15.18 | 13.32 | 13.82 | 16.41 | 17.32 | 20.86 | 21.82 | 19.73 | 
| Minimum | 8.00 | 3.00 | 14.00 | 12.00 | 8.00 | 8.00 | 9.00 | 10.00 | 11.00 | 13.00 | 12.00 | 14.00 | 
| Maksimum | 20.00 | 20.00 | 26.00 | 25.00 | 24.00 | 20.00 | 19.00 | 26.00 | 24.00 | 27.00 | 28.00 | 27.00 | 
                                    
                                
                             
                                Sumber Data : Pengolahan Data oleh 
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