Fix array delimiter.

Scripts/downscale.sh

@@ -5,7 +5,7 @@ conda activate climax
 cd ~/git/climax
 
 # wet day thresholds to test
-WET_DAY_THRESHOLDS=(0, 0.5, 1, 2, 3, 5)
+WET_DAY_THRESHOLDS=(0 0.5 1 2 3 5)
 
 for w in ${WET_DAY_THRESHOLDS[@]}; do
     # change wet day threshold in configuration