How do I calculate a “rolling” statistic on this pandas table, but with the time-window centered on the datapoint?

Question

Suppose I have the following pandas table:

import pandas as pd
import math
l = [[\'f8196bb6d34a9f44e950e30f15e1a2ab_6862\', 1605148870, 51.98157826, 5.85744811],