Dear LouisXIV,
Here is my detailed analysis on your questions:
I think Precis paper will be most important in deciding passed candidates this time.
Well, your Precis title “Weather and Human Beings.” is not irrelevant and still somehow matches to original precis title that was like “Influence of Climate on Character” but 99% candidates wouldn't have written title exactly same as original and they may have written words like impact, humans, nature which are relevant. You will surely get atleast half marks for your precis title i.e 2.5 out of 5
You mentioned that your command of English language is good and you written your best in precis, well it totally depends on examiner if he likes your precis strategy or not but you will get 6-8 marks for sure, if you written in 3rd person, short sentences, words limit between 105-125, most important is if you used synoyms of important difficult words in your precis i.e OBSTACLES (you should write it as hurdles) etc.
Using word “Civilization” for Saqafat is totally wrong and same that you used for tasawuf. But 90% of candidates must have either done these word wrong either one of them or both and both words were mainly difficult in translation but the Saqafat mistake will lose you more marks than Tasawuf mistake because Saqafat (Culture) was mostly used in paragraph and tassawuf used in only two sentences. However, believing you wrote both of these wrong may still result in awarding you 3-4 marks if you didn't made any other mistake in translation and written well. Like if you used Buried (for madfoon) and Ancient or Old (for Qadeem) etc. then it is possible to get 3-4 marks.

As per overall anlysis, if you can share your answers of Comprehension questions and you can secure alteast 8 marks in comprehension, likewise if your calculation says that you can secure atleast 22 sure marks in both mcqs and 30 marks objective questions (correction, preposition, punctuation, direct/indirect, pair of words and idioms) then you can pass this exam otherwise it seems difficult because of your translation mistakes and confusion about your precis.

My best wishes are with you, I also attempted this paper and need your prayers because I also made some of these mistake same as yours.