Daily Mean Temperatures in the Arctic 1958 - 2013
Daily mean temperatures for the Arctic area north of the 80th northern
parallel, plotted with daily climate values calculated from the period 1958-2002.
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Calculation of the Arctic Mean Temperature
The daily mean temperature of the Arctic area north of the 80th northern
parallel is estimated from the average of the 00z and 12z analysis for all model grid points inside that area.
The ERA40 reanalysis
data set from ECMWF, has been applied to calculate daily
mean temperatures for the period from 1958 to 2002, from 2002 to 2006 data from the global NWP model T511
is used and from 2006 to 2010 T799 data are used and from 2010 to present the T1279 model data are used.
The ERA40 reanalysis data, has been applied to calculation of daily climate values that are plotted along
with the daily analysis values in all plots. The data used to determine climate values is the full ERA40 data set,
from 1958 to 2002.
More information can be found here.
Daily mean temperature and climate north of the 80th northern parallel, as a function of the day of year.