The following news indicates the El Niño is still very weak and barely meets the thresholds to be classified as such. NOAA issued an El Niño Advisory last week as described in the following article.
http://mashable.com/2015/03/05/el-nino-too-late-california-drought/
http://mashable.com/2015/03/05/el-nino-too-late-california-drought/