diff --git a/db/migrate/20190720025309_add_ts_mem_for_outputs.rb b/db/migrate/20190720025309_add_ts_mem_for_outputs.rb
new file mode 100644
index 000000000..1cf3f3e6f
--- /dev/null
+++ b/db/migrate/20190720025309_add_ts_mem_for_outputs.rb
@@ -0,0 +1,5 @@
+class AddTsMemForOutputs < ActiveRecord::Migration[5.2]
+  def change
+    add_column :outputs, :ts_mem, :float
+  end
+end
diff --git a/db/migrate/20190720025341_add_ts_time_for_outputs.rb b/db/migrate/20190720025341_add_ts_time_for_outputs.rb
new file mode 100644
index 000000000..a5366fbd0
--- /dev/null
+++ b/db/migrate/20190720025341_add_ts_time_for_outputs.rb
@@ -0,0 +1,5 @@
+class AddTsTimeForOutputs < ActiveRecord::Migration[5.2]
+  def change
+    add_column :outputs, :ts_time, :float
+  end
+end