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各位大佬,我有一个逐月降水数据文件,请问怎么提取每年3、4、5月份降水数据,数据具体内容在附件里,不知道咋回事,我以图片上传上去是一个x,所以只能把文件内容沾过来
Variable: f
Type: file
filename: cru_ts4.02.1901.2017.pre.dat
path: /cygdrive/f/ML/shuju/cru_ts4.02.1901.2017.pre.dat.nc/cru_ts4.02.1901.201 7.pre.dat.nc
file global attributes:
Conventions : CF-1.4
title : CRU TS4.02 Precipitation
institution : Data held at British Atmospheric Data Centre, RAL, UK.
source : Run ID = 1811131722. Data generated from:pre.1804231108.dtb
history : Tue 13 Nov 2018 20:31:27 GMT : User ianharris : Program makegrid sauto.for called by update.for
references : Information on the data is available at http://badc.nerc.ac.u k/data/cru/
comment : Access to these data is available to any registered CEDA user.
contact : support@ceda.ac.uk
dimensions:
lon = 720
lat = 360
time = 1404 // unlimited
variables:
float lon ( lon )
long_name : longitude
units : degrees_east
float lat ( lat )
long_name : latitude
units : degrees_north
float time ( time )
long_name : time
units : days since 1900-1-1
calendar : gregorian
float pre ( time, lat, lon )
long_name : precipitation
units : mm/month
correlation_decay_distance : 450
_FillValue : 9.96921e+36
missing_value : 9.96921e+36
integer stn ( time, lat, lon )
description : number of stations contributing to each datum
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