Arctic Oscillation (AO) Date,Value 195001,-0.060 195002,0.627 195003,-0.008 195004,0.555 195005,0.072 195006,0.539 195007,-0.802 195008,-0.851 195009,0.358 195010,-0.379 195011,-0.515 195012,-1.928 195101,-0.085 195102,-0.400 195103,-1.934 195104,-0.776 195105,-0.863 195106,-0.918 195107,0.090 195108,-0.377 195109,-0.818 195110,-0.213 195111,-0.069 195112,1.987 195201,0.368 195202,-1.747 195203,-1.859 195204,0.539 195205,-0.774 195206,-0.441 195207,0.383 195208,-0.030 195209,-0.383 195210,-0.437 195211,-1.891 195212,-1.827 195301,-1.036 195302,-0.249 195303,1.068 195304,-1.256 195305,-0.562 195306,0.023 195307,0.333 195308,0.085 195309,0.662 195310,-0.194 195311,0.354 195312,0.575 195401,-0.148 195402,-0.181 195403,0.476 195404,0.512 195405,-1.656 195406,-0.268 195407,0.341 195408,-0.122 195409,0.301 195410,0.513 195411,-0.328 195412,0.553 195501,-1.163 195502,-1.542 195503,-1.568 195504,0.194 195505,0.242 195506,-0.266 195507,0.332 195508,0.760 195509,0.357 195510,0.099 195511,-1.342 195512,-0.444 195601,-1.204 195602,-2.029 195603,0.470 195604,-0.868 195605,1.391 195606,0.280 195607,-0.215 195608,-0.652 195609,-0.202 195610,1.139 195611,-0.066 195612,0.001 195701,2.062 195702,-1.513 195703,-2.013 195704,0.238 195705,-0.966 195706,-0.760 195707,-0.646 195708,0.097 195709,-0.956 195710,0.903 195711,-1.380 195712,0.828 195801,-1.438 195802,-2.228 195803,-2.522 195804,-0.360 195805,-0.336 195806,-1.149 195807,-0.684 195808,-0.755 195809,-0.012 195810,0.770 195811,-0.011 195812,-1.687 195901,-2.013 195902,2.544 195903,1.432 195904,0.119 195905,-0.341 195906,-0.033 195907,0.105 195908,-0.745 195909,-0.281 195910,-0.249 195911,-1.411 195912,-0.042 196001,-2.484 196002,-2.212 196003,-1.625 196004,-0.297 196005,-0.857 196006,0.055 196007,-0.619 196008,-1.008 196009,-0.382 196010,-1.187 196011,-0.553 196012,-0.343 196101,-1.506 196102,0.621 196103,0.341 196104,-0.237 196105,0.157 196106,0.837 196107,-0.108 196108,0.013 196109,0.815 196110,0.203 196111,-0.010 196112,-1.668 196201,1.645 196202,-0.358 196203,-2.848 196204,1.169 196205,0.068 196206,0.287 196207,-0.927 196208,0.152 196209,-0.056 196210,-0.016 196211,-1.112 196212,-0.711 196301,-3.311 196302,-1.721 196303,0.724 196304,-0.348 196305,0.771 196306,-0.585 196307,-0.303 196308,-0.625 196309,0.083 196310,1.069 196311,-0.419 196312,-1.178 196401,0.385 196402,-0.575 196403,-0.558 196404,0.663 196405,1.174 196406,0.142 196407,0.734 196408,-1.207 196409,-0.227 196410,0.342 196411,-0.344 196412,-0.246 196501,-1.046 196502,-2.084 196503,-0.905 196504,0.568 196505,-0.153 196506,0.038 196507,-0.510 196508,-0.255 196509,-0.698 196510,0.394 196511,-1.341 196512,0.163 196601,-3.232 196602,-1.438 196603,-0.911 196604,-1.837 196605,1.124 196606,0.408 196607,0.011 196608,-0.945 196609,0.011 196610,-1.077 196611,0.111 196612,-1.401 196701,-0.576 196702,1.180 196703,1.967 196704,1.700 196705,0.127 196706,0.647 196707,0.259 196708,-0.293 196709,0.133 196710,1.299 196711,0.334 196712,-0.347 196801,-0.409 196802,-2.154 196803,1.741 196804,0.328 196805,-0.241 196806,0.420 196807,-0.836 196808,-0.671 196809,-1.009 196810,-1.013 196811,-2.183 196812,-0.783 196901,-2.967 196902,-3.114 196903,-1.582 196904,0.438 196905,-0.720 196906,-0.348 196907,0.410 196908,-0.782 196909,-0.083 196910,0.098 196911,0.326 196912,-1.856 197001,-2.412 197002,-1.325 197003,-2.084 197004,0.302 197005,0.531 197006,0.875 197007,0.139 197008,-0.263 197009,0.030 197010,0.098 197011,0.378 197012,-0.399 197101,-0.163 197102,-0.922 197103,-1.091 197104,-0.583 197105,0.679 197106,-0.668 197107,-0.578 197108,0.818 197109,0.153 197110,1.185 197111,0.419 197112,0.824 197201,0.166 197202,-0.195 197203,-0.141 197204,1.007 197205,0.140 197206,-0.049 197207,-0.553 197208,-0.082 197209,-0.920 197210,0.392 197211,-0.380 197212,1.238 197301,1.232 197302,0.786 197303,0.537 197304,-1.126 197305,0.073 197306,0.531 197307,0.270 197308,0.313 197309,0.114 197310,0.337 197311,0.002 197312,-0.181 197401,0.232 197402,-0.489 197403,-0.746 197404,0.309 197405,-0.507 197406,-0.048 197407,0.390 197408,-0.533 197409,-0.136 197410,-1.024 197411,-0.435 197412,0.556 197501,1.595 197502,0.194 197503,0.151 197504,0.409 197505,-0.614 197506,-0.323 197507,0.345 197508,0.130 197509,1.278 197510,0.138 197511,0.619 197512,1.290 197601,0.034 197602,1.656 197603,0.587 197604,0.440 197605,0.060 197606,0.328 197607,-0.325 197608,0.559 197609,-0.743 197610,-0.804 197611,-0.087 197612,-2.074 197701,-3.767 197702,-2.010 197703,0.344 197704,1.329 197705,0.104 197706,-0.226 197707,-0.492 197708,-1.412 197709,0.586 197710,-0.009 197711,0.605 197712,-0.240 197801,-0.347 197802,-3.014 197803,0.502 197804,-0.967 197805,0.059 197806,0.635 197807,-0.604 197808,-0.354 197809,-0.099 197810,0.895 197811,2.470 197812,-0.980 197901,-2.233 197902,-0.697 197903,-0.814 197904,-1.157 197905,-0.250 197906,0.933 197907,0.039 197908,-0.684 197909,-0.046 197910,-1.243 197911,0.475 197912,1.295 198001,-2.066 198002,-0.934 198003,-1.433 198004,-0.419 198005,-1.155 198006,0.721 198007,-0.622 198008,-0.185 198009,0.313 198010,-0.521 198011,-1.361 198012,-0.057 198101,-0.116 198102,-0.332 198103,-1.645 198104,0.430 198105,0.180 198106,-0.438 198107,0.561 198108,-0.244 198109,-1.040 198110,-1.167 198111,-0.188 198112,-1.216 198201,-0.883 198202,0.974 198203,1.074 198204,1.454 198205,-0.209 198206,-1.180 198207,0.005 198208,0.362 198209,0.558 198210,-0.211 198211,0.661 198212,0.967 198301,1.359 198302,-1.806 198303,-0.567 198304,-0.738 198305,-0.441 198306,0.313 198307,0.131 198308,1.098 198309,0.167 198310,1.369 198311,-0.688 198312,0.186 198401,0.905 198402,-0.303 198403,-2.386 198404,-0.284 198405,0.479 198406,0.007 198407,0.019 198408,0.466 198409,-0.413 198410,-0.270 198411,-0.966 198412,0.446 198501,-2.806 198502,-1.440 198503,0.551 198504,0.652 198505,-0.432 198506,-0.347 198507,-0.390 198508,-0.001 198509,0.114 198510,1.035 198511,-1.218 198512,-1.948 198601,-0.568 198602,-2.904 198603,1.931 198604,0.103 198605,0.367 198606,0.535 198607,-0.008 198608,-0.826 198609,-0.023 198610,1.425 198611,0.926 198612,0.060 198701,-1.148 198702,-1.473 198703,-1.746 198704,0.387 198705,0.325 198706,-0.710 198707,-0.466 198708,-0.836 198709,0.287 198710,-0.080 198711,-0.536 198712,-0.534 198801,0.265 198802,-1.066 198803,-0.197 198804,-0.561 198805,-0.846 198806,0.061 198807,-0.143 198808,0.255 198809,1.039 198810,0.032 198811,-0.035 198812,1.679 198901,3.106 198902,3.279 198903,1.530 198904,-0.250 198905,0.889 198906,0.345 198907,0.866 198908,0.551 198909,0.703 198910,0.991 198911,0.034 198912,-0.644 199001,1.001 199002,3.402 199003,2.990 199004,1.879 199005,0.943 199006,0.304 199007,-0.296 199008,-0.180 199009,-0.210 199010,0.660 199011,0.521 199012,1.277 199101,0.723 199102,-0.876 199103,-0.527 199104,0.530 199105,0.486 199106,-0.115 199107,-0.188 199108,0.797 199109,-0.112 199110,-0.252 199111,0.285 199112,1.613 199201,0.550 199202,1.122 199203,0.984 199204,-0.521 199205,1.341 199206,-0.302 199207,0.191 199208,0.535 199209,-0.640 199210,-0.366 199211,0.717 199212,1.627 199301,3.495 199302,0.184 199303,0.764 199304,-0.435 199305,-1.607 199306,-0.520 199307,-0.511 199308,-0.393 199309,-0.361 199310,-0.565 199311,1.002 199312,-0.104 199401,-0.288 199402,-0.862 199403,1.881 199404,0.225 199405,-0.115 199406,1.606 199407,0.351 199408,0.828 199409,-0.084 199410,0.174 199411,1.779 199412,0.894 199501,-0.154 199502,1.429 199503,0.393 199504,-0.963 199505,-0.891 199506,-0.112 199507,-0.217 199508,0.544 199509,-0.549 199510,0.075 199511,-0.723 199512,-2.127 199601,-1.200 199602,0.163 199603,-1.483 199604,-1.525 199605,-0.226 199606,0.497 199607,0.715 199608,0.125 199609,-1.140 199610,0.183 199611,0.136 199612,-1.721 199701,-0.457 199702,1.889 199703,1.091 199704,0.324 199705,-0.961 199706,-0.815 199707,-0.431 199708,0.121 199709,0.195 199710,-0.700 199711,-0.661 199712,-0.071 199801,-2.081 199802,-0.183 199803,-0.254 199804,-0.038 199805,0.429 199806,-0.711 199807,-0.212 199808,0.650 199809,-1.050 199810,0.294 199811,-1.449 199812,1.353 199901,0.110 199902,0.482 199903,-1.492 199904,0.284 199905,0.226 199906,0.707 199907,-0.002 199908,-0.672 199909,0.059 199910,-0.006 199911,0.611 199912,1.043 200001,1.270 200002,1.076 200003,-0.451 200004,-0.279 200005,0.969 200006,0.586 200007,-0.649 200008,0.144 200009,0.395 200010,0.317 200011,-1.581 200012,-2.354 200101,-0.959 200102,-0.622 200103,-1.687 200104,0.906 200105,0.452 200106,-0.015 200107,-0.031 200108,0.521 200109,-0.707 200110,0.707 200111,0.819 200112,-1.322 200201,1.381 200202,1.304 200203,0.902 200204,0.748 200205,0.401 200206,0.573 200207,0.328 200208,-0.229 200209,-0.043 200210,-1.489 200211,-1.425 200212,-1.592 200301,-0.472 200302,0.128 200303,0.933 200304,-0.178 200305,1.017 200306,-0.102 200307,0.075 200308,-0.280 200309,0.467 200310,-0.670 200311,0.642 200312,0.265 200401,-1.686 200402,-1.528 200403,0.318 200404,-0.409 200405,-0.094 200406,-0.236 200407,-0.201 200408,-0.720 200409,0.855 200410,-0.515 200411,0.678 200412,1.230 200501,0.356 200502,-1.271 200503,-1.348 200504,-0.046 200505,-0.763 200506,-0.383 200507,-0.030 200508,0.026 200509,0.802 200510,0.030 200511,0.228 200512,-2.104 200601,-0.170 200602,-0.156 200603,-1.604 200604,0.138 200605,0.156 200606,1.071 200607,0.103 200608,-0.265 200609,0.606 200610,-1.029 200611,0.521 200612,2.282 200701,2.034 200702,-1.307 200703,1.182 200704,0.544 200705,0.894 200706,-0.555 200707,-0.397 200708,-0.034 200709,0.179 200710,0.383 200711,-0.519 200712,0.821 200801,0.819 200802,0.938 200803,0.586 200804,-0.455 200805,-1.205 200806,-0.090 200807,-0.480 200808,-0.080 200809,-0.327 200810,1.676 200811,0.092 200812,0.648 200901,0.800 200902,-0.672 200903,0.121 200904,0.973 200905,1.194 200906,-1.351 200907,-1.356 200908,-0.054 200909,0.875 200910,-1.540 200911,0.459 200912,-3.413 201001,-2.587 201002,-4.266 201003,-0.432 201004,-0.275 201005,-0.919 201006,-0.013 201007,0.435 201008,-0.117 201009,-0.865 201010,-0.467 201011,-0.376 201012,-2.631 201101,-1.683 201102,1.575 201103,1.424 201104,2.275 201105,-0.035 201106,-0.858 201107,-0.472 201108,-1.063 201109,0.665 201110,0.800 201111,1.459 201112,2.221 201201,-0.220 201202,-0.036 201203,1.037 201204,-0.035 201205,0.168 201206,-0.672 201207,0.168 201208,0.014 201209,0.772 201210,-1.514 201211,-0.111 201212,-1.749 201301,-0.610 201302,-1.007 201303,-3.185 201304,0.322 201305,0.494 201306,0.549 201307,-0.011 201308,0.154 201309,-0.461 201310,0.263 201311,2.029 201312,1.475 201401,-0.969 201402,0.044 201403,1.206 201404,0.972 201405,0.464 201406,-0.507 201407,-0.489 201408,-0.372 201409,0.102 201410,-1.134 201411,-0.530 201412,0.413 201501,1.092 201502,1.043 201503,1.837 201504,1.216 201505,0.763 201506,0.427 201507,-1.108 201508,-0.689 201509,-0.165 201510,-0.250 201511,1.945 201512,1.444 201601,-1.449 201602,-0.024 201603,0.280 201604,-1.051 201605,-0.036 201606,0.313 201607,0.085 201608,0.472 201609,0.781 201610,-1.917 201611,-0.611 201612,1.786 201701,0.942 201702,0.340 201703,1.365 201704,-0.089 201705,-0.730 201706,0.402 201707,0.634 201708,0.150 201709,-0.492 201710,0.690 201711,-0.078 201712,-0.059 201801,-0.281 201802,0.113 201803,-0.941 201804,0.544 201805,1.180 201806,0.380 201807,0.612 201808,0.836 201809,0.585 201810,0.413 201811,-1.116 201812,0.110 201901,-0.713 201902,1.149 201903,2.116 201904,-0.255 201905,-1.231 201906,-0.601 201907,-0.890 201908,-0.722 201909,0.306 201910,-0.082 201911,-1.193 201912,0.412 202001,2.419 202002,3.417 202003,2.641 202004,0.928 202005,-0.027 202006,-0.122 202007,-0.412 202008,-0.381 202009,0.631 202010,-0.072 202011,2.086 202012,-1.736 202101,-2.484 202102,-1.191 202103,2.109 202104,-0.204 202105,-0.161 202106,0.840 202107,0.625 202108,-0.217 202109,-0.247