下载NCDC气象数据
ncdc_download.py
http://blog.csdn.net/lihuinihao/article/details/38315231 ftp://ftp3.ncdc.noaa.gov/pub/data/noaa/isd-lite/ python3 ncdc_download.py 1901 2014 weatherdata
ncdc_download.py //上述代码文件 1901 //起始下载年份 2014 //截止下载年份 weatherdata //指定的下载目录（要手动自己创建）
ncdc.sh
chmod 777 ncdc.sh ftp://ftp.ncdc.noaa.gov/pub/data/noaa
Usage: ./ncdc.sh 1901 1930 # download wheather datasets for period from 1901 to 1930.