#module load ImageMagick/6.9.2-3_intel_64 
module load ImageMagick/6.9.2-3_gnu_64 

# -delay 50 would be the best
# Dr_spi_spei_Scal_03_LT_6_2008.png 

Here=`pwd`
fname=" "
for iy in {1984..2020}; do
   fname=${fname}" Dr_spi_spei_Scal_06_LT_6_"${iy}.png
done

OUT="spi_spei-6_LT6"

DELAY="-delay 100"

convert ${DELAY} ${fname} ${OUT}.gif

#convert ${DELAY} ${VAR}_2* ${OUT}_2.gif
#convert ${DELAY} ${VAR}_3* ${OUT}_3.gif