import os
import pandas as pd
import glob
import matplotlib.pyplot as plt
import csv
import numpy as np
obj=pd.read_csv('C:/Users/1701/Desktop//0-3.csv')
wind=obj['WIND_SPEED']
obj=np.array(obj)
print(obj[0])
listtotal=[]
num=0
for t in range(40):#要分组得轴得最大值得两倍。比如以风速0.5进行分组，如果风速最大为20，那这儿就是40
temp=[]
for i in range(1,len(obj)):
if num<=wind[i] and wind[i]<=num+0.5:
temp.append(obj[i])
num=t*0.5
listtotal.append(temp)
for t in range(6): #本历程中将风速0-3以0.5为区间进行分组，分成6组
save1=pd.DataFrame(listtotal[t])
save1.to_csv('C:\\Users\\1701\\Desktop\\0-3%d.csv'%t)
