Indeed, it's completely understandable. I see no problems with the basic structures, though you could lose a few elements when moving to larger sentences and texts (like the "аз" and "ние" - none of them are needed here). When used properly, Bulgarian can be quite economical, considering the amount of information being conveyed.
Grammatically I see only one persisting error - in Bulgarian months and seasons aren't capitalized. So besides these things and some typos you are quite ready to move to larger sentence structures and soon tackle stylistics, which may prove to be a pain in the neck for you.
I can also give you a corrected version and a thorough review if you want one. :)