This is the 8193rd most frequent Russian word.
лямбирском
"Лямбирском" is the prepositional case form of "Лямбирский," which refers to something associated with Lyambirsky District in Russia.
The word "Лямбирском" is used here in the prepositional case to denote a location within "Лямбирский район" (Lyambirsky district) being discussed.
Я посетил Лямбирском районе в прошлом году.
I visited the Lyambirsky district last year.
The word "Лямбирском" is utilized in instrumental case in this context to indicate products made in this location.
На выставке демонстрировались изделия, сделанные в Лямбирском районе.
The exhibition showcased items made in the Lyambirsky district.
Here, "Лямбирском" is again in prepositional case, connecting to the discussion about climate as related to this region.