What do the following lines from Anton Chekhov's The Proposal suggest about the setting of the play?

NATALYA STEPANOVNA: Then smoke. . . . Here are the matches. . . . The weather is splendid now, but yesterday it was so wet that the workmen didn't do anything all day. How much hay have you stacked? Just think, I felt greedy and had a whole field cut, and now I'm not at all pleased about it because I'm afraid my hay may rot. I ought to have waited a bit. But what's this? Why, you're in evening dress! Well, I never! Are you going to a ball, or what?—though I must say you look better. Tell me, why are you got up like that?