Figure 6

Subsurface temperature anomalies. (a) Monthly temperature anomalies calculated for the MHIA (solid) and STR (dashed) time series. Anomalies were calculated using 2010–2017 climatologies for each dataset. b) Daily temperature anomalies from the seasonal trend (i.e., detrended temperatures) calculated for the MHIA (teal) and STR (black) time series. The bottom panel shows the daily differences (observed–modelled) between detrended temperatures.