Snowflake-costs.md

@@ -32,3 +32,6 @@
 |2022-09-30           |$0.10|
 |2022-10-31           |$0.25|
 |2022-11-30           |$0.16|
+|2022-12-31           |$0.13|
+|2023-01-31           |$0.10|
+|2023-02-28           |$0.06|
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