nClimGrid-Daily v1-0-0 auxiliary observation counts for 2023-06-01 through 2023-06-30
  created on 2023-09-09 with nClimGrid-Daily software vv1-0-0-20221002
  from GHCN-Daily  3.30-upd-2023090917 CSV files provided on Sat Sep  9 20:05:00 2023