Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_61 (snow__days_year_ INTEGER, storms__days_year_ VARCHAR)

### Question ###
What is the amount of snow where the days for storms are 31?

### Accurate SQL ###

SELECT SUM(snow__days_year_) FROM table_name_61 WHERE storms__days_year_ = 31