NOTICE: Parts of the U.S. Government are closed. This site will not be updated; however, NOAA websites and social media channels necessary to protect lives and property will be maintained. See for critical weather information. To learn more, see

Fall 2013 Update: Spring Sea Surface Temperature - Northeast Shelf Ecosystem

sst cycle
Sea surface temperature cycle

The Northeast Shelf Large Marine Ecosystem experienced above average sea surface temperatures during the spring of 2013 continuing the trend of above average temperatures seen during fall into winter seasons.

In the graph for the last half of 2012 and first half of 2013, the long-term mean SST is shown as a dark gray line with areas representing plus and minus one and two standard deviations of the mean as progressive shades of gray, respectively (see figure). Temperatures did go below the long-term mean during June.

SSTs below the long term mean are shown in blue, above the mean in red.

The warmest seasonal conditions during 2013 were found during January and February with periods of average temperature during April and again during June.

Link disclaimer | Email webmaster | Privacy policy |     File Modified Apr 19, 2017