Yes it's normal for lots of short trips
Your car isn't warming enough at 3.2 miles (are you sure it isn't closer to pi miles, 3.1416?). You should change it more frequently due to the water buildup.
I would consider getting a different car if that's all it's used for. Some four-banger that only holds 4 quarts of oil will probably do better (on your wallet as well).
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