diff --git a/imap_processing/ialirt/calculate_ingest.py b/imap_processing/ialirt/calculate_ingest.py
index 8455e275e..e173c0374 100644
--- a/imap_processing/ialirt/calculate_ingest.py
+++ b/imap_processing/ialirt/calculate_ingest.py
@@ -50,7 +50,7 @@ def packets_created(start_file_creation: datetime, lines: list) -> dict:
             # Handle end of year rollover
             prev = prev_doy[station]
 
-            if prev is not None and doy < prev:
+            if prev is not None and doy < prev and prev > 300 and doy < 30:
                 station_year[station] += 1
 
             prev_doy[station] = doy