Delta State

=== Climate ===

An important characteristics of the Climate of Delta State is flooding.<ref>{{Cite journal |last1=Balogun |first1=Verere S. |last2=Onokerhoraye |first2=Andrew G. |date=2022-08-01 |title=Climate change vulnerability mapping across ecological zones in Delta State, Niger Delta Region of Nigeria |journal=Climate Services |language=en |volume=27 |pages=100304 |doi=10.1016/j.cliser.2022.100304 |issn=2405-8807|doi-access=free |bibcode=2022CliSe..2700304B }}</ref> The ecological attributes of Delta State also include heavy rainfall,  which makes the state, like other states in the Niger-Delta Nigeria to be regarded as lowland [[rainforest]], feshwater [[swamp]] and mangrove swamp. Delta State has a mean rainfall of 36.9&nbsp;mm, as well as increase in rainfall which in year 2015 resulted to [[Flood|inundation]] of farmlands in the state.<ref name="Oyerinde 15–18">{{Cite journal |last=Oyerinde |first=Oyeleke Oluwaseun |date=2021-03-27 |title=Analysis of Decadal Rainfall and Temperature Trend in Warri, Nigeria |url=https://www.ej-geo.org/index.php/ejgeo/article/view/120 |journal=European Journal of Environment and Earth Sciences |language=en |volume=2 |issue=2 |pages=15–18 |doi=10.24018/ejgeo.2021.2.2.120 |issn=2684-446X|doi-access=free }}</ref> 2015 was also the year the state had the highest rainfall, amounting to 3183.6&nbsp;mm. In year 2007, the state had the lowest rainfall over the 11-year period, amounting to an annual rainfall of 2030.58&nbsp;mm. While January has the lowest rainfall in the state, in July, rainfall is very high at 423.2&nbsp;mm.<ref name="Oyerinde 15–18"/>