Krdytkyu

As per the title, does one earn any reward/s'char for the attempt (or even just the intent) to perform a mitzvah?

This evening, we all piled out of shul to say Kiddush Levana only to find that the sky was too cloudy, but we were all ready and interested in doing the mitzvah. If it ends up that, because of the weather, we cannot perform the mitzvah this month, do we receive any reward for our intent or trying to perform it?

Kiddushin 40a

מחשבה טובה מצרפה למעשה שנאמר אז נדברו יראי ה' איש אל רעהו ויקשב ה' וישמע ויכתב ספר זכרון לפניו ליראי ה' ולחושבי שמו מאי ולחושבי שמו אמר רב אסי אפילו חשב אדם לעשות מצוה ונאנס ולא עשאה מעלה עליו הכתוב כאילו עשאה

Good intention is combined with deed, for it is said: Then they that feared
the Lord spoke one with another: and the Lord hearkened, and heard, and a book of remembrance
was written before him, for them that feared the Lord, and that thought upon his name. Now, what
is the meaning of ‘that thought upon his name’? — Said R. Assi: Even if one [merely] thinks of
performing a precept but is forcibly prevented the Writ ascribes it to him as though he has performed
it. (Soncino translation)