Sungai Siak: Perbedaan antara revisi

Sungai ini mengalir di wilayah tengah pulau Sumatra yang ber[[iklim hutan hujan tropis]] (kode: ''Af'' menurut [[klasifikasi iklim Köppen-Geiger]]).<ref name = "koppen">{{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|pages= 1633-1644| <!--sid = 1633-1644-->| date =<!-- 01/30/2016-->| doi = 10.5194/hess-11-1633-2007| first1 =M C| first2 = B L| first3 = T A| last1 = Peel| last2 = Finlayson| last3 =McMahon |access-date=30 January 2016}}</ref> Suhu rata-rata setahun sekitar 23&nbsp;°C. Bulan terpanas adalah Oktober, dengan suhu rata-rata 25&nbsp;°C, and terdingin Januari, sekitar 22&nbsp;°C.<ref name = "nasa">{{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= publisher2019-01-10|archive-date= 2020-04-26|archive-url= NASAhttps://web.archive.org/web/20200426054225/https://neo.sci.gsfc.nasa.gov/dataset_index.php|dead-url= yes}}</ref> Curah hujan rata-rata tahunan adalah 2673&nbsp;mm. Bulan dengan curah hujan tertinggi adalah November, dengan rata-rata 418&nbsp;mm, dan yang terendah Januari, rata-rata 106&nbsp;mm.<ref name = "nasarain">{{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 = 2018-11-28|archive-date = 2019-04-19|archive-url = https://web.archive.org/web/20190419091014/https://neo.sci.gsfc.nasa.gov/view.php?datasetId=TRMM_3B43M&year=2014|dead-url = yes}}</ref>