test.py

import csv
import pandas as pd

events = pd.read_csv('data/temperature_events.zip',
                     compression='infer',
                     parse_dates={'event_time_index': ['event_time']},
                     index_col='event_time_index' 
                     )

maxtemps = events.resample('5Min').max()
mintemps = events.resample('5Min').min()