This dataset contains max/min temperature from multiple sources. These sources are formatted the same way and were provided 
by Russ Vose of NCDC (Russell.Vose@noaa.gov). Data was collected and uploaded to FTP on 3 Oct 2011 by Jared Rennie.

Here are the sources:

ak_hi_climat
antarctica
argentina
australia_de
australia
australia_wwr
brazil
canada
chile
climat
conus_climat
cuba
fao
fwa
ghcnd_nonconus
ghcn
greece
griffiths
griffiths_sa
indonesia
iran
ish
mexico
new_zealand
south_africa
tdxx_merge
wwr

Below is a description of the data

The files are in a header/data format.

The content of the header lines is ID, NAME, LATITUDE, LONGITUDE, 
ELEVATION, FIRSTYEAR, LASTYEAR, COUNTRY, SOURCECODE 
(a12,a30,i5,i6,i4,i4,i4,a20,a10).  You can ignore the SOURCECODE, and 
COUNTRY may or may not be accurate.  Missing LATITUDES are -9999, 
LONGITUDES are -99999, and ELEVATIONS are -999.

The content of the data lines is YEAR, JAN, FEB, ..., DEC (i4,12i5).  
Missing values are -9999.