N year year month thermal_bias 1 1941.041 1941 1 0.1521 2 1941.124 1941 2 0.1521 3 1941.208 1941 3 0.1521 4 1941.291 1941 4 0.1521 5 1941.374 1941 5 0.1521 6 1941.458 1941 6 0.1521 7 1941.541 1941 7 0.1521 8 1941.624 1941 8 0.1521 9 1941.708 1941 9 0.1521 10 1941.791 1941 10 0.1521 11 1941.874 1941 11 0.1521 12 1941.958 1941 12 0.1521 13 1942.041 1942 1 0.1521 14 1942.124 1942 2 0.1521 15 1942.208 1942 3 0.1521 16 1942.291 1942 4 0.1521 17 1942.374 1942 5 0.1521 18 1942.458 1942 6 0.1521 19 1942.541 1942 7 0.1488 20 1942.624 1942 8 0.1411 21 1942.708 1942 9 0.1314 22 1942.791 1942 10 0.1190 23 1942.874 1942 11 0.1036 24 1942.958 1942 12 0.0856 25 1943.041 1943 1 0.0667 26 1943.124 1943 2 0.0488 27 1943.208 1943 3 0.0333 28 1943.291 1943 4 0.0208 29 1943.374 1943 5 0.0111 30 1943.458 1943 6 0.0034 31 1943.541 1943 7 -0.0023 32 1943.624 1943 8 -0.0017 33 1943.708 1943 9 0.0019 34 1943.791 1943 10 0.0018 35 1943.874 1943 11 0.0017 36 1943.958 1943 12 0.0019 37 1944.041 1944 1 0.0021 38 1944.124 1944 2 0.0023 39 1944.208 1944 3 0.0023 40 1944.291 1944 4 0.0020 41 1944.374 1944 5 0.0015 42 1944.458 1944 6 0.0006 43 1944.541 1944 7 -0.0009 44 1944.624 1944 8 -0.0039 45 1944.708 1944 9 -0.0062 46 1944.791 1944 10 -0.0087 47 1944.874 1944 11 -0.0112 48 1944.958 1944 12 -0.0137 49 1945.041 1945 1 -0.0163 50 1945.124 1945 2 -0.0188 51 1945.208 1945 3 -0.0213 52 1945.291 1945 4 -0.0238 53 1945.374 1945 5 -0.0262 54 1945.458 1945 6 -0.0286 55 1945.541 1945 7 -0.0310 56 1945.624 1945 8 -0.0333 57 1945.708 1945 9 -0.0356 58 1945.791 1945 10 -0.0380 59 1945.874 1945 11 -0.0403 60 1945.958 1945 12 -0.0427 61 1946.041 1946 1 -0.0450 62 1946.124 1946 2 -0.0474 63 1946.208 1946 3 -0.0498 64 1946.291 1946 4 -0.0521 65 1946.374 1946 5 -0.0545 66 1946.458 1946 6 -0.0571 67 1946.541 1946 7 -0.0521 68 1946.624 1946 8 -0.0422 69 1946.708 1946 9 -0.0296 70 1946.791 1946 10 -0.0132 71 1946.874 1946 11 0.0077 72 1946.958 1946 12 0.0335 73 1947.041 1947 1 0.0626 74 1947.124 1947 2 0.0920 75 1947.208 1947 3 0.1180 76 1947.291 1947 4 0.1383 77 1947.374 1947 5 0.1525 78 1947.458 1947 6 0.1618 79 1947.541 1947 7 0.1661 80 1947.624 1947 8 0.1560 81 1947.708 1947 9 0.1466 82 1947.791 1947 10 0.1408 83 1947.874 1947 11 0.1339 84 1947.958 1947 12 0.1266 85 1948.041 1948 1 0.1194 86 1948.124 1948 2 0.1124 87 1948.208 1948 3 0.1056 88 1948.291 1948 4 0.0993 89 1948.374 1948 5 0.0935 90 1948.458 1948 6 0.0883 91 1948.541 1948 7 0.0836 92 1948.624 1948 8 0.0798 93 1948.708 1948 9 0.0772 94 1948.791 1948 10 0.0755 95 1948.874 1948 11 0.0742 96 1948.958 1948 12 0.0725 97 1949.041 1949 1 0.0703 98 1949.124 1949 2 0.0674 99 1949.208 1949 3 0.0642 100 1949.291 1949 4 0.0610 101 1949.374 1949 5 0.0577 102 1949.458 1949 6 0.0542 103 1949.541 1949 7 0.0505 104 1949.624 1949 8 0.0466 105 1949.708 1949 9 0.0425 106 1949.791 1949 10 0.0381 107 1949.874 1949 11 0.0337 108 1949.958 1949 12 0.0291 109 1950.041 1950 1 0.0246 110 1950.124 1950 2 0.0203 111 1950.208 1950 3 0.0146 112 1950.291 1950 4 0.0081 113 1950.374 1950 5 0.0021 114 1950.458 1950 6 -0.0018 115 1950.541 1950 7 -0.0035 116 1950.624 1950 8 -0.0031 117 1950.708 1950 9 -0.0006 118 1950.791 1950 10 0.0028 119 1950.874 1950 11 0.0059 120 1950.958 1950 12 0.0077 121 1951.041 1951 1 0.0088 122 1951.124 1951 2 0.0100 123 1951.208 1951 3 0.0112 124 1951.291 1951 4 0.0123 125 1951.374 1951 5 0.0131 126 1951.458 1951 6 0.0138 127 1951.541 1951 7 0.0141 128 1951.624 1951 8 0.0143 129 1951.708 1951 9 0.0142 130 1951.791 1951 10 0.0139 131 1951.874 1951 11 0.0136 132 1951.958 1951 12 0.0132 133 1952.041 1952 1 0.0122 134 1952.124 1952 2 0.0104 135 1952.208 1952 3 0.0080 136 1952.291 1952 4 0.0058 137 1952.374 1952 5 0.0046 138 1952.458 1952 6 0.0051 139 1952.541 1952 7 0.0067 140 1952.624 1952 8 0.0093 141 1952.708 1952 9 0.0130 142 1952.791 1952 10 0.0179 143 1952.874 1952 11 0.0238 144 1952.958 1952 12 0.0300 145 1953.041 1953 1 0.0358 146 1953.124 1953 2 0.0409 147 1953.208 1953 3 0.0451 148 1953.291 1953 4 0.0487 149 1953.374 1953 5 0.0517 150 1953.458 1953 6 0.0546 151 1953.541 1953 7 0.0570 152 1953.624 1953 8 0.0582 153 1953.708 1953 9 0.0582 154 1953.791 1953 10 0.0581 155 1953.874 1953 11 0.0586 156 1953.958 1953 12 0.0595 157 1954.041 1954 1 0.0604 158 1954.124 1954 2 0.0613 159 1954.208 1954 3 0.0622 160 1954.291 1954 4 0.0632 161 1954.374 1954 5 0.0643 162 1954.458 1954 6 0.0655 163 1954.541 1954 7 0.0669 164 1954.624 1954 8 0.0683 165 1954.708 1954 9 0.0699 166 1954.791 1954 10 0.0716 167 1954.874 1954 11 0.0733 168 1954.958 1954 12 0.0751 169 1955.041 1955 1 0.0769 170 1955.124 1955 2 0.0786 171 1955.208 1955 3 0.0809 172 1955.291 1955 4 0.0837 173 1955.374 1955 5 0.0863 174 1955.458 1955 6 0.0878 175 1955.541 1955 7 0.0875 176 1955.624 1955 8 0.0860 177 1955.708 1955 9 0.0846 178 1955.791 1955 10 0.0832 179 1955.874 1955 11 0.0816 180 1955.958 1955 12 0.0801 181 1956.041 1956 1 0.0787 182 1956.124 1956 2 0.0772 183 1956.208 1956 3 0.0757 184 1956.291 1956 4 0.0743 185 1956.374 1956 5 0.0729 186 1956.458 1956 6 0.0716 187 1956.541 1956 7 0.0702 188 1956.624 1956 8 0.0690 189 1956.708 1956 9 0.0677 190 1956.791 1956 10 0.0664 191 1956.874 1956 11 0.0652 192 1956.958 1956 12 0.0640 193 1957.041 1957 1 0.0628 194 1957.124 1957 2 0.0616 195 1957.208 1957 3 0.0604 196 1957.291 1957 4 0.0591 197 1957.374 1957 5 0.0581 198 1957.458 1957 6 0.0570 199 1957.541 1957 7 0.0553 200 1957.624 1957 8 0.0533 201 1957.708 1957 9 0.0513 202 1957.791 1957 10 0.0491 203 1957.874 1957 11 0.0467 204 1957.958 1957 12 0.0440 205 1958.041 1958 1 0.0409 206 1958.124 1958 2 0.0377 207 1958.208 1958 3 0.0346 208 1958.291 1958 4 0.0317 209 1958.374 1958 5 0.0294 210 1958.458 1958 6 0.0276 211 1958.541 1958 7 0.0262 212 1958.624 1958 8 0.0256 213 1958.708 1958 9 0.0257 214 1958.791 1958 10 0.0255 215 1958.874 1958 11 0.0249 216 1958.958 1958 12 0.0244 217 1959.041 1959 1 0.0239 218 1959.124 1959 2 0.0234 219 1959.208 1959 3 0.0229 220 1959.291 1959 4 0.0223 221 1959.374 1959 5 0.0217 222 1959.458 1959 6 0.0211 223 1959.541 1959 7 0.0203 224 1959.624 1959 8 0.0195 225 1959.708 1959 9 0.0187 226 1959.791 1959 10 0.0177 227 1959.874 1959 11 0.0168 228 1959.958 1959 12 0.0157 229 1960.041 1960 1 0.0147 230 1960.124 1960 2 0.0136 231 1960.208 1960 3 0.0125 232 1960.291 1960 4 0.0115 233 1960.374 1960 5 0.0108 234 1960.458 1960 6 0.0093 235 1960.541 1960 7 0.0101 236 1960.624 1960 8 0.0122 237 1960.708 1960 9 0.0155 238 1960.791 1960 10 0.0201 239 1960.874 1960 11 0.0254 240 1960.958 1960 12 0.0310 241 1961.041 1961 1 0.0361 242 1961.124 1961 2 0.0405 243 1961.208 1961 3 0.0442 244 1961.291 1961 4 0.0472 245 1961.374 1961 5 0.0499 246 1961.458 1961 6 0.0524 247 1961.541 1961 7 0.0543 248 1961.624 1961 8 0.0544 249 1961.708 1961 9 0.0552 250 1961.791 1961 10 0.0559 251 1961.874 1961 11 0.0565 252 1961.958 1961 12 0.0571 253 1962.041 1962 1 0.0577 254 1962.124 1962 2 0.0583 255 1962.208 1962 3 0.0590 256 1962.291 1962 4 0.0597 257 1962.374 1962 5 0.0605 258 1962.458 1962 6 0.0613 259 1962.541 1962 7 0.0621 260 1962.624 1962 8 0.0631 261 1962.708 1962 9 0.0640 262 1962.791 1962 10 0.0651 263 1962.874 1962 11 0.0661 264 1962.958 1962 12 0.0672 265 1963.041 1963 1 0.0684 266 1963.124 1963 2 0.0695 267 1963.208 1963 3 0.0707 268 1963.291 1963 4 0.0717 269 1963.374 1963 5 0.0726 270 1963.458 1963 6 0.0742 271 1963.541 1963 7 0.0739 272 1963.624 1963 8 0.0725 273 1963.708 1963 9 0.0702 274 1963.791 1963 10 0.0669 275 1963.874 1963 11 0.0631 276 1963.958 1963 12 0.0591 277 1964.041 1964 1 0.0555 278 1964.124 1964 2 0.0524 279 1964.208 1964 3 0.0499 280 1964.291 1964 4 0.0479 281 1964.374 1964 5 0.0461 282 1964.458 1964 6 0.0444 283 1964.541 1964 7 0.0432 284 1964.624 1964 8 0.0432 285 1964.708 1964 9 0.0432 286 1964.791 1964 10 0.0429 287 1964.874 1964 11 0.0426 288 1964.958 1964 12 0.0424 289 1965.041 1965 1 0.0422 290 1965.124 1965 2 0.0419 291 1965.208 1965 3 0.0417 292 1965.291 1965 4 0.0414 293 1965.374 1965 5 0.0410 294 1965.458 1965 6 0.0406 295 1965.541 1965 7 0.0402 296 1965.624 1965 8 0.0397 297 1965.708 1965 9 0.0391 298 1965.791 1965 10 0.0385 299 1965.874 1965 11 0.0379 300 1965.958 1965 12 0.0372 301 1966.041 1966 1 0.0365 302 1966.124 1966 2 0.0357 303 1966.208 1966 3 0.0350 304 1966.291 1966 4 0.0344 305 1966.374 1966 5 0.0339 306 1966.458 1966 6 0.0328 307 1966.541 1966 7 0.0335 308 1966.624 1966 8 0.0351 309 1966.708 1966 9 0.0373 310 1966.791 1966 10 0.0403 311 1966.874 1966 11 0.0441 312 1966.958 1966 12 0.0486 313 1967.041 1967 1 0.0534 314 1967.124 1967 2 0.0579 315 1967.208 1967 3 0.0616 316 1967.291 1967 4 0.0646 317 1967.374 1967 5 0.0667 318 1967.458 1967 6 0.0683 319 1967.541 1967 7 0.0695 320 1967.624 1967 8 0.0701 321 1967.708 1967 9 0.0707 322 1967.791 1967 10 0.0712 323 1967.874 1967 11 0.0702 324 1967.958 1967 12 0.0691 325 1968.041 1968 1 0.0680 326 1968.124 1968 2 0.0669 327 1968.208 1968 3 0.0658 328 1968.291 1968 4 0.0648 329 1968.374 1968 5 0.0638 330 1968.458 1968 6 0.0628 331 1968.541 1968 7 0.0618 332 1968.624 1968 8 0.0609 333 1968.708 1968 9 0.0600 334 1968.791 1968 10 0.0588 335 1968.874 1968 11 0.0575 336 1968.958 1968 12 0.0562 337 1969.041 1969 1 0.0548 338 1969.124 1969 2 0.0534 339 1969.208 1969 3 0.0518 340 1969.291 1969 4 0.0502 341 1969.374 1969 5 0.0485 342 1969.458 1969 6 0.0467 343 1969.541 1969 7 0.0447 344 1969.624 1969 8 0.0426 345 1969.708 1969 9 0.0404 346 1969.791 1969 10 0.0382 347 1969.874 1969 11 0.0359 348 1969.958 1969 12 0.0332 349 1970.041 1970 1 0.0302 350 1970.124 1970 2 0.0269 351 1970.208 1970 3 0.0236 352 1970.291 1970 4 0.0205 353 1970.374 1970 5 0.0179 354 1970.458 1970 6 0.0160 355 1970.541 1970 7 0.0145 356 1970.624 1970 8 0.0134 357 1970.708 1970 9 0.0124 358 1970.791 1970 10 0.0116 359 1970.874 1970 11 0.0109 360 1970.958 1970 12 0.0103 361 1971.041 1971 1 0.0098 362 1971.124 1971 2 0.0094 363 1971.208 1971 3 0.0095 364 1971.291 1971 4 0.0098 365 1971.374 1971 5 0.0101 366 1971.458 1971 6 0.0104 367 1971.541 1971 7 0.0106 368 1971.624 1971 8 0.0110 369 1971.708 1971 9 0.0116 370 1971.791 1971 10 0.0125 371 1971.874 1971 11 0.0136 372 1971.958 1971 12 0.0149 373 1972.041 1972 1 0.0162 374 1972.124 1972 2 0.0173 375 1972.208 1972 3 0.0181 376 1972.291 1972 4 0.0188 377 1972.374 1972 5 0.0193 378 1972.458 1972 6 0.0197 379 1972.541 1972 7 0.0200 380 1972.624 1972 8 0.0203 381 1972.708 1972 9 0.0204 382 1972.791 1972 10 0.0205 383 1972.874 1972 11 0.0203 384 1972.958 1972 12 0.0200 385 1973.041 1973 1 0.0194 386 1973.124 1973 2 0.0187 387 1973.208 1973 3 0.0180 388 1973.291 1973 4 0.0176 389 1973.374 1973 5 0.0175 390 1973.458 1973 6 0.0178 391 1973.541 1973 7 0.0184 392 1973.624 1973 8 0.0191 393 1973.708 1973 9 0.0200 394 1973.791 1973 10 0.0211 395 1973.874 1973 11 0.0225 396 1973.958 1973 12 0.0242 397 1974.041 1974 1 0.0263 398 1974.124 1974 2 0.0284 399 1974.208 1974 3 0.0303 400 1974.291 1974 4 0.0318 401 1974.374 1974 5 0.0329 402 1974.458 1974 6 0.0335 403 1974.541 1974 7 0.0337 404 1974.624 1974 8 0.0327 405 1974.708 1974 9 0.0322 406 1974.791 1974 10 0.0316 407 1974.874 1974 11 0.0309 408 1974.958 1974 12 0.0303 409 1975.041 1975 1 0.0296 410 1975.124 1975 2 0.0290 411 1975.208 1975 3 0.0284 412 1975.291 1975 4 0.0278 413 1975.374 1975 5 0.0273 414 1975.458 1975 6 0.0267 415 1975.541 1975 7 0.0263 416 1975.624 1975 8 0.0258 417 1975.708 1975 9 0.0254 418 1975.791 1975 10 0.0250 419 1975.874 1975 11 0.0247 420 1975.958 1975 12 0.0244 421 1976.041 1976 1 0.0242 422 1976.124 1976 2 0.0240 423 1976.208 1976 3 0.0237 424 1976.291 1976 4 0.0233 425 1976.374 1976 5 0.0229 426 1976.458 1976 6 0.0224 427 1976.541 1976 7 0.0220 428 1976.624 1976 8 0.0214 429 1976.708 1976 9 0.0209 430 1976.791 1976 10 0.0203 431 1976.874 1976 11 0.0196 432 1976.958 1976 12 0.0190 433 1977.041 1977 1 0.0183 434 1977.124 1977 2 0.0176 435 1977.208 1977 3 0.0169 436 1977.291 1977 4 0.0163 437 1977.374 1977 5 0.0158 438 1977.458 1977 6 0.0148 439 1977.541 1977 7 0.0152 440 1977.624 1977 8 0.0162 441 1977.708 1977 9 0.0178 442 1977.791 1977 10 0.0200 443 1977.874 1977 11 0.0228 444 1977.958 1977 12 0.0260 445 1978.041 1978 1 0.0292 446 1978.124 1978 2 0.0320 447 1978.208 1978 3 0.0343 448 1978.291 1978 4 0.0362 449 1978.374 1978 5 0.0376 450 1978.458 1978 6 0.0387 451 1978.541 1978 7 0.0396 452 1978.624 1978 8 0.0400 453 1978.708 1978 9 0.0398 454 1978.791 1978 10 0.0390 455 1978.874 1978 11 0.0380 456 1978.958 1978 12 0.0372 457 1979.041 1979 1 0.0366 458 1979.124 1979 2 0.0365 459 1979.208 1979 3 0.0365 460 1979.291 1979 4 0.0366 461 1979.374 1979 5 0.0368 462 1979.458 1979 6 0.0370 463 1979.541 1979 7 0.0374 464 1979.624 1979 8 0.0379 465 1979.708 1979 9 0.0386 466 1979.791 1979 10 0.0394 467 1979.874 1979 11 0.0402 468 1979.958 1979 12 0.0412 469 1980.041 1980 1 0.0421 470 1980.124 1980 2 0.0429 471 1980.208 1980 3 0.0439 472 1980.291 1980 4 0.0460 473 1980.374 1980 5 0.0480 474 1980.458 1980 6 0.0487 475 1980.541 1980 7 0.0477 476 1980.624 1980 8 0.0461 477 1980.708 1980 9 0.0439 478 1980.791 1980 10 0.0407 479 1980.874 1980 11 0.0366 480 1980.958 1980 12 0.0317 481 1981.041 1981 1 0.0267 482 1981.124 1981 2 0.0221 483 1981.208 1981 3 0.0182 484 1981.291 1981 4 0.0153 485 1981.374 1981 5 0.0131 486 1981.458 1981 6 0.0115 487 1981.541 1981 7 0.0103 488 1981.624 1981 8 0.0103 489 1981.708 1981 9 0.0116 490 1981.791 1981 10 0.0135 491 1981.874 1981 11 0.0153 492 1981.958 1981 12 0.0164 493 1982.041 1982 1 0.0169 494 1982.124 1982 2 0.0174 495 1982.208 1982 3 0.0179 496 1982.291 1982 4 0.0183 497 1982.374 1982 5 0.0186 498 1982.458 1982 6 0.0188 499 1982.541 1982 7 0.0188 500 1982.624 1982 8 0.0186 501 1982.708 1982 9 0.0184 502 1982.791 1982 10 0.0179 503 1982.874 1982 11 0.0172 504 1982.958 1982 12 0.0161 505 1983.041 1983 1 0.0147 506 1983.124 1983 2 0.0131 507 1983.208 1983 3 0.0117 508 1983.291 1983 4 0.0107 509 1983.374 1983 5 0.0102 510 1983.458 1983 6 0.0102 511 1983.541 1983 7 0.0105 512 1983.624 1983 8 0.0109 513 1983.708 1983 9 0.0117 514 1983.791 1983 10 0.0128 515 1983.874 1983 11 0.0143 516 1983.958 1983 12 0.0163 517 1984.041 1984 1 0.0186 518 1984.124 1984 2 0.0209 519 1984.208 1984 3 0.0228 520 1984.291 1984 4 0.0241 521 1984.374 1984 5 0.0250 522 1984.458 1984 6 0.0254 523 1984.541 1984 7 0.0255 524 1984.624 1984 8 0.0252 525 1984.708 1984 9 0.0242 526 1984.791 1984 10 0.0227 527 1984.874 1984 11 0.0209 528 1984.958 1984 12 0.0191 529 1985.041 1985 1 0.0176 530 1985.124 1985 2 0.0164 531 1985.208 1985 3 0.0156 532 1985.291 1985 4 0.0149 533 1985.374 1985 5 0.0143 534 1985.458 1985 6 0.0138 535 1985.541 1985 7 0.0135 536 1985.624 1985 8 0.0138 537 1985.708 1985 9 0.0144 538 1985.791 1985 10 0.0147 539 1985.874 1985 11 0.0150 540 1985.958 1985 12 0.0152 541 1986.041 1986 1 0.0155 542 1986.124 1986 2 0.0158 543 1986.208 1986 3 0.0160 544 1986.291 1986 4 0.0163 545 1986.374 1986 5 0.0165 546 1986.458 1986 6 0.0166 547 1986.541 1986 7 0.0168 548 1986.624 1986 8 0.0169 549 1986.708 1986 9 0.0170 550 1986.791 1986 10 0.0170 551 1986.874 1986 11 0.0170 552 1986.958 1986 12 0.0169 553 1987.041 1987 1 0.0168 554 1987.124 1987 2 0.0166 555 1987.208 1987 3 0.0165 556 1987.291 1987 4 0.0165 557 1987.374 1987 5 0.0165 558 1987.458 1987 6 0.0166 559 1987.541 1987 7 0.0168 560 1987.624 1987 8 0.0170 561 1987.708 1987 9 0.0173 562 1987.791 1987 10 0.0176 563 1987.874 1987 11 0.0179 564 1987.958 1987 12 0.0182 565 1988.041 1988 1 0.0185 566 1988.124 1988 2 0.0189 567 1988.208 1988 3 0.0195 568 1988.291 1988 4 0.0202 569 1988.374 1988 5 0.0208 570 1988.458 1988 6 0.0210 571 1988.541 1988 7 0.0206 572 1988.624 1988 8 0.0199 573 1988.708 1988 9 0.0191 574 1988.791 1988 10 0.0184 575 1988.874 1988 11 0.0177 576 1988.958 1988 12 0.0169 577 1989.041 1989 1 0.0162 578 1989.124 1989 2 0.0154 579 1989.208 1989 3 0.0147 580 1989.291 1989 4 0.0140 581 1989.374 1989 5 0.0132 582 1989.458 1989 6 0.0125 583 1989.541 1989 7 0.0119 584 1989.624 1989 8 0.0112 585 1989.708 1989 9 0.0105 586 1989.791 1989 10 0.0098 587 1989.874 1989 11 0.0091 588 1989.958 1989 12 0.0084 589 1990.041 1990 1 0.0077 590 1990.124 1990 2 0.0070 591 1990.208 1990 3 0.0063 592 1990.291 1990 4 0.0056 593 1990.374 1990 5 0.0050 594 1990.458 1990 6 0.0046 595 1990.541 1990 7 0.0042 596 1990.624 1990 8 0.0039 597 1990.708 1990 9 0.0037 598 1990.791 1990 10 0.0035 599 1990.874 1990 11 0.0033 600 1990.958 1990 12 0.0033 601 1991.041 1991 1 0.0035 602 1991.124 1991 2 0.0038 603 1991.208 1991 3 0.0041 604 1991.291 1991 4 0.0043 605 1991.374 1991 5 0.0043 606 1991.458 1991 6 0.0039 607 1991.541 1991 7 0.0033 608 1991.624 1991 8 0.0025 609 1991.708 1991 9 0.0017 610 1991.791 1991 10 0.0008 611 1991.874 1991 11 -0.0001 612 1991.958 1991 12 -0.0012 613 1992.041 1992 1 -0.0027 614 1992.124 1992 2 -0.0044 615 1992.208 1992 3 -0.0064 616 1992.291 1992 4 -0.0083 617 1992.374 1992 5 -0.0096 618 1992.458 1992 6 -0.0101 619 1992.541 1992 7 -0.0096 620 1992.624 1992 8 -0.0084 621 1992.708 1992 9 -0.0073 622 1992.791 1992 10 -0.0061 623 1992.874 1992 11 -0.0049 624 1992.958 1992 12 -0.0037 625 1993.041 1993 1 -0.0026 626 1993.124 1993 2 -0.0014 627 1993.208 1993 3 -0.0002 628 1993.291 1993 4 0.0010 629 1993.374 1993 5 0.0021 630 1993.458 1993 6 0.0033 631 1993.541 1993 7 -0.0000 632 1993.624 1993 8 -0.0000 633 1993.708 1993 9 -0.0000 634 1993.791 1993 10 -0.0000 635 1993.874 1993 11 -0.0000 636 1993.958 1993 12 -0.0000