diff --git a/internal/report/snapshots.go b/internal/report/snapshots.go
index 067babb..3fc23fa 100644
--- a/internal/report/snapshots.go
+++ b/internal/report/snapshots.go
@@ -1094,9 +1094,19 @@ func buildHourlyTotals(ctx context.Context, dbConn *sqlx.DB, records []SnapshotR
 		if err := db.ValidateTableName(record.TableName); err != nil {
 			return nil, err
 		}
-		if rowsExist, err := db.TableHasRows(ctx, dbConn, record.TableName); err != nil || !rowsExist {
+		if record.SnapshotCount == 0 {
+			slog.Debug("hourly totals skipping empty snapshot", "table", record.TableName, "snapshot_time", record.SnapshotTime)
 			continue
 		}
+		if record.SnapshotCount < 0 {
+			rowsExist, err := db.TableHasRows(ctx, dbConn, record.TableName)
+			if err != nil {
+				slog.Debug("hourly totals snapshot probe failed", "table", record.TableName, "snapshot_time", record.SnapshotTime, "error", err)
+			}
+			if err != nil || !rowsExist {
+				continue
+			}
+		}
 		query := fmt.Sprintf(`
 SELECT
   COUNT(DISTINCT "VmId") AS vm_count,
@@ -1184,9 +1194,19 @@ func buildDailyTotals(ctx context.Context, dbConn *sqlx.DB, records []SnapshotRe
 		if err := db.ValidateTableName(record.TableName); err != nil {
 			return nil, err
 		}
-		if rowsExist, err := db.TableHasRows(ctx, dbConn, record.TableName); err != nil || !rowsExist {
+		if record.SnapshotCount == 0 {
+			slog.Debug("daily totals skipping empty snapshot", "table", record.TableName, "snapshot_time", record.SnapshotTime)
 			continue
 		}
+		if record.SnapshotCount < 0 {
+			rowsExist, err := db.TableHasRows(ctx, dbConn, record.TableName)
+			if err != nil {
+				slog.Debug("daily totals snapshot probe failed", "table", record.TableName, "snapshot_time", record.SnapshotTime, "error", err)
+			}
+			if err != nil || !rowsExist {
+				continue
+			}
+		}
 		query := fmt.Sprintf(`
 SELECT
   COUNT(DISTINCT "VmId") AS vm_count,