diff --git a/geomagio/ObservatoryMetadata.py b/geomagio/ObservatoryMetadata.py
index add0c6355615233959e8b47408cc15df10bb4a06..8e78f8983c33fd1e5e305b7676d2fe3d8256d00e 100644
--- a/geomagio/ObservatoryMetadata.py
+++ b/geomagio/ObservatoryMetadata.py
@@ -941,8 +941,10 @@ DEFAULT_METADATA = {
 
 
 DEFAULT_INTERVAL_SPECIFIC = {
-    "minute": {"data_interval_type": "filtered 1-minute (00:15-01:45) "},
-    "second": {"data_interval_type": "Average 1-Second"},
+    "day": {"data_interval_type": "1-day"},
+    "hour": {"data_interval_type": "1-hour"},
+    "minute": {"data_interval_type": "1-minute"},
+    "second": {"data_interval_type": "1-second"},
 }