+10 during the day, +2 C at night. However, I shut off the street water supply system, which I use to pour water for the geese, inside the barn at night and drain it so that there is no water left in it. Once I was too lazy to do this, but suddenly it became -15 C at night, as a result I had to replace some of the pipes and connections.
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The water somehow managed to freeze during the night and tore the polypropylene.
Anyway, since it's already warm during the day, I can pour a big bath for the geese from the pipe instead of carrying water in buckets.
Frankly, my street water supply system is made of various free junk - most often these are leftovers and cuttings after various plumbing works, and the pipes are absolutely different - there are gray Turkish ones, there are white Russian ones, there are even rusty, but still quite viable taps, made half a century ago in the Soviet Union. There are also Italian, Chinese and even Spanish taps. Periodically, some of them break down and I replace them with others. All this is stretched in long pipes to the dwellings of geese and ducks, and in the summer I do not carry water in buckets, but pour it from the taps. It would be possible to insulate these pipes and run a heating cable through them, but I did not do this, because the distance is quite large, it would require a lot of cable and electricity. Therefore, in the winter I just carry water in buckets, pouring it into a bunch of different basins and old pots.
They are very quiet and fairly tame. 
