Reconstructed New Zealand climate and riverflow data. 1. Lake Coleridge summer (Nov - Jan) rainfall (mm) 1879 185 1880 202 180 138 205 248 132 243 187 203 126 1890 245 198 198 248 234 141 121 198 204 176 1900 229 278 258 126 208 220 161 49 235 305 1910 190 217 208 176 209 203 129 244 214 217 1920 183 193 230 233 151 264 148 130 245 275 1930 223 159 208 173 131 121 244 284 93 219 1940 173 213 230 75 258 251 237 168 211 168 1950 253 191 232 242 193 131 156 302 141 217 1960 232 172 135 232 181 186 198 344 164 165 1970 163 161 205 203 231 202 297 129 2. Hurunui summer (Nov -Jan) river flow (m2s-1 * 10) 1879 512 1880 562 509 358 535 705 362 612 499 563 339 1890 646 501 493 713 698 423 355 518 585 473 1900 601 749 746 358 587 552 446 122 544 803 1910 570 645 584 483 543 583 372 623 552 571 1920 480 508 619 668 444 716 461 343 604 696 1930 646 532 610 539 378 265 524 678 292 664 1940 531 612 667 174 579 591 680 492 633 527 1950 713 521 611 559 466 331 423 854 362 554 1960 600 452 372 597 535 608 565 942 487 451 1970 423 393 508 501 596 509 811 426 3. Reconstructed summer (Jan-March) temperature values (øC) from Phyllocladus trichomanoides and P. glaucus chronologies. 1750 16.3 15.9 16.8 16.4 16.6 16.1 16.7 16.2 16.5 16.0 1760 16.8 16.2 16.4 16.3 16.1 16.8 15.7 16.7 16.0 16.3 1770 15.9 16.2 15.8 16.6 16.4 16.0 16.9 16.0 16.8 16.2 1780 16.3 16.6 16.3 16.1 16.9 16.3 15.9 16.2 16.2 15.8 1790 16.6 15.7 16.1 15.5 16.6 15.8 16.9 16.2 16.4 16.7 1800 16.3 16.4 16.6 16.1 16.5 16.5 16.5 15.7 16.7 16.7 1810 16.0 16.7 15.8 16.0 16.5 16.0 16.3 16.7 15.9 16.5 1820 15.9 16.5 16.1 16.7 16.0 16.3 16.6 16.3 16.4 15.7 1830 17.0 16.6 16.7 15.6 16.7 16.9 15.8 16.5 16.3 16.1 1840 17.0 15.9 16.2 15.5 16.9 15.8 16.3 17.2 16.3 16.9 1850 16.3 16.5 16.2 15.9 16.9 16.3 16.7 16.2 16.0 16.5 1860 16.1 16.6 15.8 16.6 15.8 16.7 15.6 16.7 16.1 16.2 1870 16.8 16.5 16.8 16.3 16.3 15.9 16.4 16.0 16.1 16.7 1880 16.6 15.8 16.3 16.3 15.4 16.3 16.2 16.3 15.1 16.3 1890 16.2 15.6 16.7 15.9 15.9 16.2 16.1 16.1 16.1 16.3 1900 16.5 15.3 16.6 15.8 17.0 15.7 15.7 16.8 16.7 16.3 1910 17.0 16.5 15.8 16.9 16.8 15.7 16.7 16.5 16.1 15.8 1920 16.7 16.1 15.9 16.2 17.0 16.6 16.4 16.3 17.2 16.1 1930 16.0 16.0 16.2 16.6 15.7 17.1 16.3 15.7 16.8 16.6 1940 16.2 16.4 15.7 16.8 16.1 16.1 16.6 16.0 16.4 15.5 1950 16.1 16.2 15.6 16.4 16.3 17.1 16.6 16.2 16.2 16.7 1960 15.7 15.8 17.0 16.1 16.2 15.7 16.7 16.1 17.2 15.3 1970 16.6 16.8 15.6 16.9 16.3 16.4 15.5 16.2 16.6 16.9 1980 16.0 16.9 16.2 4: Reconstructed summer (Dec-March) temperature values from Nothofagus spp. 1730 18.3 16.9 16.9 15.5 15.9 15.3 14.7 16.4 15.0 15.2 1740 16.6 15.1 15.6 15.7 14.6 15.9 15.3 15.6 16.0 15.6 1750 15.5 15.9 16.3 16.3 16.6 16.8 16.1 16.9 16.2 15.2 1760 15.5 14.4 15.7 14.4 15.4 14.5 16.1 16.4 16.4 15.8 1770 15.7 15.2 16.3 16.3 15.8 16.1 16.1 16.4 16.4 15.8 1780 15.6 15.4 15.0 15.6 14.5 14.9 15.1 15.1 14.9 15.7 1790 15.3 15.0 16.0 16.3 15.8 15.4 15.5 14.3 15.5 14.8 1800 16.1 15.3 15.7 15.2 16.0 17.0 15.1 15.7 16.5 15.9 1810 17.5 16.0 16.2 16.3 15.8 15.4 15.5 14.3 15.5 14.8 1820 15.3 15.0 16.1 15.6 15.9 16.7 15.4 16.1 14.5 16.4 1830 15.1 16.3 15.1 14.9 16.3 15.6 15.6 16.8 15.4 16.2 1840 16.8 16.7 16.2 15.4 14.6 13.6 15.1 14.7 15.2 15.9 1850 16.6 16.7 15.3 16.0 15.1 15.4 16.0 14.6 15.2 14.4 1860 15.0 16.1 15.2 15.0 16.4 15.5 16.1 15.4 15.4 16.0 1870 15.6 16.2 15.5 15.4 16.0 16.9 15.9 14.8 15.5 15.8 1880 15.7 15.6 17.3 14.6 15.8 15.6 16.6 15.1 16.0 16.2 1890 15.8 16.7 15.3 16.2 15.9 15.5 15.8 15.3 15.8 15.6 1900 15.3 15.9 15.4 16.0 15.1 14.7 17.0 15.8 15.0 16.4 1910 16.0 14.5 15.4 15.8 14.7 17.3 15.2 14.6 14.6 16.4 1920 15.7 16.7 14.6 16.3 14.7 15.7 15.1 17.8 15.7 14.8 1930 14.4 14.9 16.0 15.7 16.7 15.7 15.1 17.8 15.7 14.8 1940 16.5 14.7 14.9 16.9 15.3 16.1 15.6 15.4 15.2 14.0 1950 15.6 14.7 14.9 16.9 15.3 16.1 15.6 15.4 15.2 14.0 1960 15.1 16.5 16.3 15.5 15.7 16.1 15.3 16.9 16.4 16.6 1970 16.8 15.5 15.9 15.5 16.7 14.9 14.7 16.1 15.1