Mann et al. 2003 and 2004 Corrected Optimal Surface Temperature Reconstructions Using Terrestrial Borehole Data Optimal weighted reconstruction for the 1900-1980 case. Below are revised data correcting error in the gridbox weighting, as described in Mann et al. 2004 JGR. year temperature anomaly 1.5010000e+03 -4.8433044e-01 1.5020000e+03 -4.8411649e-01 1.5030000e+03 -4.8390255e-01 1.5040000e+03 -4.8368860e-01 1.5050000e+03 -4.8347465e-01 1.5060000e+03 -4.8326071e-01 1.5070000e+03 -4.8304676e-01 1.5080000e+03 -4.8283282e-01 1.5090000e+03 -4.8261887e-01 1.5100000e+03 -4.8240493e-01 1.5110000e+03 -4.8219098e-01 1.5120000e+03 -4.8197704e-01 1.5130000e+03 -4.8176309e-01 1.5140000e+03 -4.8154914e-01 1.5150000e+03 -4.8133520e-01 1.5160000e+03 -4.8112125e-01 1.5170000e+03 -4.8090731e-01 1.5180000e+03 -4.8069336e-01 1.5190000e+03 -4.8047942e-01 1.5200000e+03 -4.8026547e-01 1.5210000e+03 -4.8005153e-01 1.5220000e+03 -4.7983758e-01 1.5230000e+03 -4.7962363e-01 1.5240000e+03 -4.7940969e-01 1.5250000e+03 -4.7919574e-01 1.5260000e+03 -4.7898180e-01 1.5270000e+03 -4.7876785e-01 1.5280000e+03 -4.7855391e-01 1.5290000e+03 -4.7833996e-01 1.5300000e+03 -4.7812602e-01 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