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. 2019 Nov 22;10:1485. doi: 10.3389/fpls.2019.01485

Table 3.

Pearson correlation matrix of daily values of climatic variables of the measurement days (2015 and 2018).

Tmax (˚C) VPDmax (kPa) ET0 (mm) Global radiation (MJ/m2) DOY
Tmax 1
VPDmax 0.83 1
ET0 0.40 0.63 1
Global radiation 0.40 0.58 0.82 1
DOY ns* ns -0.79 -0.66 1

Correlations shown are highly significant (P < 0.001). *ns, not significant.