diff --git a/SYNOP/main_synop.sh b/SYNOP/main_synop.sh
index 008f1846a8b2ea85b4db975eae5c143d36a6b053..9166b8741d08d681e778c2632cd56d20a0c24135 100755
--- a/SYNOP/main_synop.sh
+++ b/SYNOP/main_synop.sh
@@ -32,12 +32,14 @@ echo "          -- FOR AIR TEMPERATURE AT 2 METRE"
 echo "===================================================================="
 echo " "
 
+
 varMETnum="39"
-varMETstr="2t"
-lon_val_min="21" #20
-lon_val_max="24" #25
-lat_val_min="61" #60
-lat_val_max="64" #65
+varMETstr="2t" # air temperature at 2 meter
+# N stations: 88    21   9
+lon_val_min="17" #"21" #20
+lon_val_max="33" #"24" #25
+lat_val_min="58" #"61" #60
+lat_val_max="72" #"64" #65
 echo "varMETnum varMETstr lon_val_min lon_val_max lat_val_min lat_val_max:"
 echo "$varMETnum $varMETstr $lon_val_min $lon_val_max $lat_val_min $lat_val_max"