Verb conjugation of "conjeturar" in Spanish

I ordered a cab at four o'clock in the morning which took me to the Central Bus Station. I was much to early because the bus would go just at seven o'clock. Anyway I was sitting there and listening to music.
The sky was dark blue and this is what my sister had told me many years ago when she was there. One of the reasons for that was the altitude of the city, I recall to be it above 2000 meters.
Not worth mentioning. The next day we spent the entire day in the mall buying unuseful things, cheap Jeans of poor quality and again gifts for our friends. I remember buying swimming pants in the sports store.