ECAD figures and statistical tests added

past_climate_figs/ECAD/EST/DJF/CC6_EST.png

past_climate_figs/ECAD/EST/DJF/FG6BFT_EST.png

past_climate_figs/ECAD/EST/JJA/CC6_EST.png

past_climate_figs/ECAD/EST/year/CC2_EST.png

past_climate_figs/ECAD/EST/year/CC6_EST.png

past_climate_figs/ECAD/EST/year/CC_EST.png

past_climate_figs/ECAD/EST/year/CFD_EST.png

past_climate_figs/ECAD/EST/year/FD_EST.png

past_climate_figs/ECAD/EST/year/FG6BFT_EST.png

past_climate_figs/ECAD/EST/year/FXX_EST.png

past_climate_figs/ECAD/EST/year/QQ_EST.png

past_climate_figs/ECAD/EST/year/SD1_EST.png

past_climate_figs/ECAD/EST/year/SD50CM_EST.png

past_climate_figs/ERA5/EST/DJF/CDD_EST.png

past_climate_figs/ERA5/EST/DJF/CFD_EST.png

past_climate_figs/ERA5/EST/DJF/CSU_EST.png

past_climate_figs/ERA5/EST/DJF/CWD_EST.png

past_climate_figs/ERA5/EST/DJF/DTR_EST.png

past_climate_figs/ERA5/EST/DJF/FD_EST.png

past_climate_figs/ERA5/EST/DJF/GD4_EST.png