code: def time_window_cutoff(sw_time, time_cutoff):
      
      sw_time = np.array(
          [(time_cutoff / DAYS) if x > (time_cutoff / DAYS)
              else x for x in sw_time])
      return(sw_time)
docs: Allows for cutting the declustering time window at a specific time, outside
      of which an event of any magnitude is no longer identified as a cluster