average-temperature:18-2-c ✕ vat:21 ✕ single-population:52 ✕ average-maximum-temperature:21-4-c ✕ average-minimum-temperature:14-9-c ✕

Allow OR queries (select multiple values per filter)

When disabled: selecting a filter value replaces the current value.
When enabled: you can select multiple values for the same filter (OR logic).