North Atlantic Oscillation (NAO) Date,Value 195001,0.92 195002,0.40 195003,-0.36 195004,0.73 195005,-0.59 195006,-0.06 195007,-1.26 195008,-0.05 195009,0.25 195010,0.85 195011,-1.26 195012,-1.02 195101,0.08 195102,0.70 195103,-1.02 195104,-0.22 195105,-0.59 195106,-1.64 195107,1.37 195108,-0.22 195109,-1.36 195110,1.87 195111,-0.39 195112,1.32 195201,0.93 195202,-0.83 195203,-1.49 195204,1.01 195205,-1.12 195206,-0.40 195207,-0.09 195208,-0.28 195209,-0.54 195210,-0.73 195211,-1.13 195212,-0.43 195301,0.33 195302,-0.49 195303,-0.04 195304,-1.67 195305,-0.66 195306,1.09 195307,0.40 195308,-0.71 195309,-0.35 195310,1.32 195311,1.04 195312,-0.47 195401,0.37 195402,0.74 195403,-0.83 195404,1.34 195405,-0.09 195406,-0.25 195407,-0.60 195408,-1.90 195409,-0.44 195410,0.60 195411,0.40 195412,0.69 195501,-1.84 195502,-1.12 195503,-0.53 195504,-0.42 195505,-0.34 195506,-1.10 195507,1.76 195508,1.07 195509,0.32 195510,-1.47 195511,-1.29 195512,0.17 195601,-0.22 195602,-1.12 195603,-0.05 195604,-1.06 195605,2.21 195606,0.10 195607,-0.75 195608,-1.37 195609,0.24 195610,0.88 195611,0.51 195612,0.10 195701,1.05 195702,0.11 195703,-1.26 195704,0.49 195705,-0.79 195706,-0.72 195707,-1.19 195708,-0.55 195709,-1.66 195710,1.32 195711,0.73 195712,0.12 195801,-0.54 195802,-1.06 195803,-1.96 195804,0.37 195805,-0.24 195806,-1.38 195807,-1.73 195808,-1.56 195809,-0.07 195810,0.16 195811,1.64 195812,-0.70 195901,-0.87 195902,0.68 195903,-0.15 195904,0.36 195905,0.39 195906,0.40 195907,0.74 195908,0.06 195909,0.88 195910,0.89 195911,0.41 195912,0.44 196001,-1.29 196002,-1.89 196003,-0.50 196004,1.36 196005,0.45 196006,-0.21 196007,0.35 196008,-1.40 196009,0.39 196010,-1.73 196011,-0.51 196012,0.06 196101,0.41 196102,0.45 196103,0.55 196104,-1.55 196105,-0.36 196106,0.86 196107,-0.39 196108,0.90 196109,1.24 196110,0.51 196111,-0.62 196112,-1.48 196201,0.61 196202,0.55 196203,-2.47 196204,0.99 196205,-0.10 196206,0.16 196207,-2.47 196208,0.14 196209,-0.37 196210,0.41 196211,-0.23 196212,-1.32 196301,-2.12 196302,-0.96 196303,-0.43 196304,-1.35 196305,2.16 196306,-0.43 196307,-0.77 196308,-0.64 196309,1.79 196310,0.94 196311,-1.27 196312,-1.92 196401,-0.95 196402,-1.43 196403,-1.20 196404,0.36 196405,0.52 196406,1.29 196407,1.90 196408,-1.77 196409,0.20 196410,0.74 196411,-0.01 196412,-0.15 196501,-0.12 196502,-1.55 196503,-1.51 196504,0.72 196505,-0.62 196506,0.29 196507,0.32 196508,0.45 196509,0.37 196510,0.38 196511,-1.66 196512,1.37 196601,-1.74 196602,-1.39 196603,0.56 196604,-0.75 196605,0.22 196606,1.05 196607,0.32 196608,-1.76 196609,-0.45 196610,-0.68 196611,-0.04 196612,0.72 196701,-0.89 196702,0.19 196703,1.51 196704,0.18 196705,-0.99 196706,1.40 196707,0.41 196708,1.44 196709,0.93 196710,0.07 196711,0.60 196712,-0.45 196801,0.13 196802,-1.29 196803,0.40 196804,-1.08 196805,-1.76 196806,0.33 196807,-0.80 196808,-0.66 196809,-1.92 196810,-2.30 196811,-0.93 196812,-1.40 196901,-0.83 196902,-1.55 196903,-1.56 196904,1.53 196905,0.55 196906,0.55 196907,0.57 196908,-1.45 196909,2.07 196910,0.66 196911,-0.96 196912,-0.28 197001,-1.50 197002,0.64 197003,-0.96 197004,-1.30 197005,1.14 197006,1.55 197007,0.10 197008,0.10 197009,-0.09 197010,-0.92 197011,-0.60 197012,-1.20 197101,-1.13 197102,0.24 197103,-0.84 197104,-0.24 197105,0.50 197106,-1.57 197107,0.24 197108,1.55 197109,0.39 197110,0.58 197111,-0.20 197112,0.60 197201,0.27 197202,0.32 197203,0.72 197204,-0.22 197205,0.95 197206,0.88 197207,0.18 197208,1.32 197209,-0.12 197210,1.09 197211,0.54 197212,0.19 197301,0.04 197302,0.85 197303,0.30 197304,-0.54 197305,-0.44 197306,0.39 197307,0.57 197308,-0.06 197309,-0.30 197310,-1.24 197311,-0.93 197312,0.32 197401,1.34 197402,-0.14 197403,-0.03 197404,0.51 197405,-0.24 197406,-0.14 197407,-0.76 197408,-0.64 197409,0.82 197410,0.49 197411,-0.54 197412,1.50 197501,0.58 197502,-0.62 197503,-0.61 197504,-1.60 197505,-0.52 197506,-0.84 197507,1.55 197508,-0.26 197509,1.56 197510,-0.54 197511,0.41 197512,0.00 197601,-0.25 197602,0.93 197603,0.75 197604,0.26 197605,0.96 197606,0.80 197607,-0.32 197608,1.92 197609,-1.29 197610,-0.08 197611,0.17 197612,-1.60 197701,-1.04 197702,-0.49 197703,-0.81 197704,0.65 197705,-0.86 197706,-0.57 197707,-0.45 197708,-0.28 197709,0.37 197710,0.52 197711,-0.07 197712,-1.00 197801,0.66 197802,-2.20 197803,0.70 197804,-1.17 197805,1.08 197806,1.38 197807,-1.14 197808,0.64 197809,0.46 197810,1.93 197811,3.04 197812,-1.57 197901,-1.38 197902,-0.67 197903,0.78 197904,-1.71 197905,-1.03 197906,1.60 197907,0.83 197908,0.96 197909,1.01 197910,-0.30 197911,0.53 197912,1.00 198001,-0.75 198002,0.05 198003,-0.31 198004,1.29 198005,-1.50 198006,-0.37 198007,-0.42 198008,-2.24 198009,0.66 198010,-1.77 198011,-0.37 198012,0.78 198101,0.37 198102,0.92 198103,-1.19 198104,0.36 198105,0.20 198106,-0.45 198107,0.05 198108,0.39 198109,-1.45 198110,-1.35 198111,-0.38 198112,-0.02 198201,-0.89 198202,1.15 198203,1.15 198204,0.10 198205,-0.53 198206,-1.63 198207,1.15 198208,0.26 198209,1.76 198210,-0.74 198211,1.60 198212,1.78 198301,1.59 198302,-0.53 198303,0.95 198304,-0.85 198305,-0.07 198306,0.99 198307,1.19 198308,1.61 198309,-1.12 198310,0.65 198311,-0.98 198312,0.29 198401,1.66 198402,0.72 198403,-0.37 198404,-0.28 198405,0.54 198406,-0.42 198407,-0.07 198408,1.15 198409,0.17 198410,-0.07 198411,-0.06 198412,0.00 198501,-1.61 198502,-0.49 198503,0.20 198504,0.32 198505,-0.49 198506,-0.80 198507,1.22 198508,-0.48 198509,-0.52 198510,0.90 198511,-0.67 198512,0.22 198601,1.11 198602,-1.00 198603,1.71 198604,-0.59 198605,0.85 198606,1.22 198607,0.12 198608,-1.09 198609,-1.12 198610,1.55 198611,2.29 198612,0.99 198701,-1.15 198702,-0.73 198703,0.14 198704,2.00 198705,0.98 198706,-1.82 198707,0.52 198708,-0.83 198709,-1.22 198710,0.14 198711,0.18 198712,0.32 198801,1.02 198802,0.76 198803,-0.17 198804,-1.17 198805,0.63 198806,0.88 198807,-0.35 198808,0.04 198809,-0.99 198810,-1.08 198811,-0.34 198812,0.61 198901,1.17 198902,2.00 198903,1.85 198904,0.28 198905,1.38 198906,-0.27 198907,0.97 198908,0.01 198909,2.05 198910,-0.03 198911,0.16 198912,-1.15 199001,1.04 199002,1.41 199003,1.46 199004,2.00 199005,-1.53 199006,-0.02 199007,0.53 199008,0.97 199009,1.06 199010,0.23 199011,-0.24 199012,0.22 199101,0.86 199102,1.04 199103,-0.20 199104,0.29 199105,0.08 199106,-0.82 199107,-0.49 199108,1.23 199109,0.48 199110,-0.19 199111,0.48 199112,0.46 199201,-0.13 199202,1.07 199203,0.87 199204,1.86 199205,2.63 199206,0.20 199207,0.16 199208,0.85 199209,-0.44 199210,-1.76 199211,1.19 199212,0.47 199301,1.60 199302,0.50 199303,0.67 199304,0.97 199305,-0.78 199306,-0.59 199307,-3.18 199308,0.12 199309,-0.57 199310,-0.71 199311,2.56 199312,1.56 199401,1.04 199402,0.46 199403,1.26 199404,1.14 199405,-0.57 199406,1.52 199407,1.31 199408,0.38 199409,-1.32 199410,-0.97 199411,0.64 199412,2.02 199501,0.93 199502,1.14 199503,1.25 199504,-0.85 199505,-1.49 199506,0.13 199507,-0.22 199508,0.69 199509,0.31 199510,0.19 199511,-1.38 199512,-1.67 199601,-0.12 199602,-0.07 199603,-0.24 199604,-0.17 199605,-1.06 199606,0.56 199607,0.67 199608,1.02 199609,-0.86 199610,-0.33 199611,-0.56 199612,-1.41 199701,-0.49 199702,1.70 199703,1.46 199704,-1.02 199705,-0.28 199706,-1.47 199707,0.34 199708,0.83 199709,0.61 199710,-1.70 199711,-0.90 199712,-0.96 199801,0.39 199802,-0.11 199803,0.87 199804,-0.68 199805,-1.32 199806,-2.72 199807,-0.48 199808,-0.02 199809,-2.00 199810,-0.29 199811,-0.28 199812,0.87 199901,0.77 199902,0.29 199903,0.23 199904,-0.95 199905,0.92 199906,1.12 199907,-0.90 199908,0.39 199909,0.36 199910,0.20 199911,0.65 199912,1.61 200001,0.60 200002,1.70 200003,0.77 200004,-0.03 200005,1.58 200006,-0.03 200007,-1.03 200008,-0.29 200009,-0.21 200010,0.92 200011,-0.92 200012,-0.58 200101,0.25 200102,0.45 200103,-1.26 200104,0.00 200105,-0.02 200106,-0.20 200107,-0.25 200108,-0.07 200109,-0.65 200110,-0.24 200111,0.63 200112,-0.83 200201,0.44 200202,1.10 200203,0.69 200204,1.18 200205,-0.22 200206,0.38 200207,0.62 200208,0.38 200209,-0.70 200210,-2.28 200211,-0.18 200212,-0.94 200301,0.16 200302,0.62 200303,0.32 200304,-0.18 200305,0.01 200306,-0.07 200307,0.13 200308,-0.07 200309,0.01 200310,-1.26 200311,0.86 200312,0.64 200401,-0.29 200402,-0.14 200403,1.02 200404,1.15 200405,0.19 200406,-0.89 200407,1.13 200408,-0.48 200409,0.38 200410,-1.10 200411,0.73 200412,1.21 200501,1.52 200502,-0.06 200503,-1.83 200504,-0.30 200505,-1.25 200506,-0.05 200507,-0.51 200508,0.37 200509,0.63 200510,-0.98 200511,-0.31 200512,-0.44 200601,1.27 200602,-0.51 200603,-1.28 200604,1.24 200605,-1.14 200606,0.84 200607,0.90 200608,-1.73 200609,-1.62 200610,-2.24 200611,0.44 200612,1.34 200701,0.22 200702,-0.47 200703,1.44 200704,0.17 200705,0.66 200706,-1.31 200707,-0.58 200708,-0.14 200709,0.72 200710,0.45 200711,0.58 200712,0.34 200801,0.89 200802,0.73 200803,0.08 200804,-1.07 200805,-1.73 200806,-1.39 200807,-1.27 200808,-1.16 200809,1.02 200810,-0.04 200811,-0.32 200812,-0.28 200901,-0.01 200902,0.06 200903,0.57 200904,-0.20 200905,1.68 200906,-1.21 200907,-2.15 200908,-0.19 200909,1.51 200910,-1.03 200911,-0.02 200912,-1.93 201001,-1.11 201002,-1.98 201003,-0.88 201004,-0.72 201005,-1.49 201006,-0.82 201007,-0.42 201008,-1.22 201009,-0.79 201010,-0.93 201011,-1.62 201012,-1.85 201101,-0.88 201102,0.70 201103,0.61 201104,2.48 201105,-0.06 201106,-1.28 201107,-1.51 201108,-1.35 201109,0.54 201110,0.39 201111,1.36 201112,2.52 201201,1.17 201202,0.42 201203,1.27 201204,0.47 201205,-0.91 201206,-2.53 201207,-1.32 201208,-0.98 201209,-0.59 201210,-2.06 201211,-0.58 201212,0.17 201301,0.35 201302,-0.45 201303,-1.61 201304,0.69 201305,0.57 201306,0.52 201307,0.67 201308,0.97 201309,0.24 201310,-1.28 201311,0.90 201312,0.95 201401,0.29 201402,1.34 201403,0.80 201404,0.31 201405,-0.92 201406,-0.97 201407,0.18 201408,-1.68 201409,1.62 201410,-1.27 201411,0.68 201412,1.86 201501,1.79 201502,1.32 201503,1.45 201504,0.73 201505,0.15 201506,-0.07 201507,-3.18 201508,-0.76 201509,-0.65 201510,0.44 201511,1.74 201512,2.24 201601,0.12 201602,1.58 201603,0.73 201604,0.38 201605,-0.77 201606,-0.43 201607,-1.76 201608,-1.65 201609,0.61 201610,0.41 201611,-0.16 201612,0.48 201701,0.48 201702,1.00 201703,0.74 201704,1.73 201705,-1.91 201706,0.05 201707,1.26 201708,-1.10 201709,-0.61 201710,0.19 201711,-0.00 201712,0.88 201801,1.44 201802,1.58 201803,-0.93 201804,1.24 201805,2.12 201806,1.09 201807,1.39 201808,1.97 201809,1.67 201810,0.93 201811,-0.11 201812,0.61 201901,0.59 201902,0.29 201903,1.23 201904,0.47 201905,-2.62 201906,-1.09 201907,-1.43 201908,-1.17 201909,-0.16 201910,-1.41 201911,0.28 201912,1.20 202001,1.34 202002,1.26 202003,1.01 202004,-1.02 202005,-0.41 202006,-0.15 202007,-1.23 202008,0.12 202009,0.98 202010,-0.65 202011,2.54 202012,-0.30 202101,-1.11 202102,0.14 202103,0.73 202104,-1.43 202105,-1.24 202106,0.77 202107,0.03 202108,-0.28 202109,-0.21