1950           1960           1970           1980            1990          2000
3
0
-3
4
0
-4
NAO Index
RSW Temp. Index
Time Series of the NAO Index and the
Regional Slope Water Temperature Index
Time-Series Data
Slope-Water Sectors
There was considerable variability in the SW Temp Index over the last 40 years.  The 60’s were cold, warm in 70’s through now.  Dips in early & mid 80’s and around ‘96.  The patterns are associated with the NAO, with a lag of a few years.