diff --git a/conf/defaults/intervals/daily b/conf/defaults/intervals/daily
new file mode 100644
index 0000000..9902f17
--- /dev/null
+++ b/conf/defaults/intervals/daily
@@ -0,0 +1 @@
+28
diff --git a/conf/defaults/intervals/monthly b/conf/defaults/intervals/monthly
new file mode 100644
index 0000000..48082f7
--- /dev/null
+++ b/conf/defaults/intervals/monthly
@@ -0,0 +1 @@
+12
diff --git a/conf/defaults/intervals/weekly b/conf/defaults/intervals/weekly
new file mode 100644
index 0000000..b8626c4
--- /dev/null
+++ b/conf/defaults/intervals/weekly
@@ -0,0 +1 @@
+4