Bulaka River
{{For|the language group|Bulaka River languages}}
{{Infobox river
| name =Bulaka River
| name_other = Boelaka-rivier
| image =
| image_size =
| image_caption =
| pushpin_map = Indonesia South Papua#Indonesia
| pushpin_map_caption = Location of river mouth
| source1_location = Western Papua
| mouth = Arafura Sea
| mouth_coordinates = {{coord|8.1|S|139.2|E|display=inline, title}}
| subdivision_type1 = Country
| subdivision_name1 = {{flag|Indonesia}}
| length =
| source1_elevation =
| mouth_elevation =
| discharge1_avg =
| basin_size =
}}
The Bulaka River is a river in South Papua province, Indonesia.Rand McNally, The New International Atlas, 1993.[http://www.geonames.org/1647835/sungai-bulaka.html Sungai Bulaka] - Geonames.org.
Geography
The river flows in the southern area of Papua with a predominantly tropical monsoon climate (designated as Am in the Köppen-Geiger climate classification).{{Cite journal | title = Updated world map of the Köppen-Geiger climate classification| url = http://www.hydrol-earth-syst-sci.net/11/1633/2007/hess-11-1633-2007.html| year = 2007| journal = Hydrology and Earth System Sciences| volume = 11 | date =| doi = 10.5194/hess-11-1633-2007| first1 =M C| first2 = B L| first3 = T A| last1 = Peel| last2 = Finlayson| last3 =McMahon| doi-access = free}} The annual average temperature in the area is 23 °C. The warmest month is October when the average temperature is around 26 °C, and the coldest is June, at 20 °C.{{Cite web|url= http://neo.sci.gsfc.nasa.gov/dataset_index.php|title= NASA Earth Observations Data Set Index|date= 30 January 2016|publisher= NASA|access-date= 5 December 2018|archive-date= 11 May 2020|archive-url= https://web.archive.org/web/20200511075542/https://neo.sci.gsfc.nasa.gov/dataset_index.php|url-status= dead}} The average annual rainfall is 2155 mm. The wettest month is February, with an average of 356 mm of rainfall, and the driest is August, with 16 mm of rainfall.{{Cite web|url = http://neo.sci.gsfc.nasa.gov/view.php?datasetId=TRMM_3B43M&year=2014|title = NASA Earth Observations: Rainfall (1 month - TRMM)|date = 30 January 2016|publisher = NASA/Tropical Rainfall Monitoring Mission|access-date = 5 December 2018|archive-date = 19 April 2019|archive-url = https://web.archive.org/web/20190419091014/https://neo.sci.gsfc.nasa.gov/view.php?datasetId=TRMM_3B43M&year=2014|url-status = dead}}