Table of
  1. T
  2. KAPLAN Indices NINO3 SST anomaly avOS
Additional Information

TimeSST anomaly
months since 1960-01-01degreeC
Jan 18560.5846413
Feb 18560.6565694
Mar 18560.5237171
Apr 18560.4611179
May 18560.5336317
Jun 18560.4798753
Jul 18560.452636
Aug 18560.3991496
Sep 18560.3234931
Oct 18560.04096724
Nov 1856-0.3212263
Dec 1856-0.6635374
Jan 1857-0.5142257
Feb 1857-0.5506926
Mar 1857-0.59456
Apr 1857-0.4497191
May 1857-0.4244303
Jun 1857-0.3538559
Jul 1857-0.3829468
Aug 1857-0.4382967
Sep 1857-0.2661732
Oct 1857-0.4047447
Nov 1857-0.368146
Dec 1857-0.115306
Jan 1858-0.007222509
Feb 1858-0.05212222
Mar 1858-0.1797128
Apr 1858-0.2695936
May 1858-0.1905712
Jun 1858-0.08349678
Jul 1858-0.03916371
Aug 18580.03656751
Sep 1858-0.05283067
Oct 1858-0.1247744
Nov 1858-0.1967258
Dec 1858-0.3899091
Jan 1859-0.4274662
Feb 1859-0.2260304
Mar 1859-0.08013608
Apr 1859-0.1734909
May 18590.04777461
Jun 18590.06662908
Jul 18590.1734677
Aug 18590.1237322
Sep 1859-0.02545396
Oct 1859-0.07694032
Nov 1859-0.1914102
Dec 1859-0.3216437
Jan 1860-0.7070003
Feb 1860-0.8881046
Mar 1860-0.8797466
Apr 1860-0.8727174
May 1860-0.6926628
Jun 1860-0.4877295
Jul 1860-0.3910697
Aug 1860-0.390322
Sep 1860-0.4163843
Oct 1860-0.4432811
Nov 1860-0.7915989
Dec 1860-0.7466736
Jan 1861-0.5112719
Feb 1861-0.397008
Mar 1861-0.5929493
Apr 1861-0.539669
May 1861-0.5616488
Jun 1861-0.5059296
Jul 1861-0.4164236
Aug 1861-0.5439873
Sep 1861-0.663841
Oct 1861-0.5957235
Nov 1861-0.5735242
Dec 1861-0.4394249
Jan 1862-0.438208
Feb 1862-0.2541696
Mar 18620.02522956
Apr 18620.2178292
May 18620.4359749
Jun 18620.2673821
Jul 18620.2315379
Aug 18620.06394321
Sep 1862-0.3576464
Oct 1862-0.6781184
Nov 1862-1.045977
Dec 1862-0.766591
Jan 1863-0.4727035
Feb 1863-0.2445581
Mar 1863-0.2157099
Apr 1863-0.09251358
May 1863-0.03831958
Jun 1863-0.04606779
Jul 18630.07671662
Aug 18630.2697793
Sep 18630.2108381
Oct 18630.2273084
Nov 18630.1630798
Dec 18630.1531725
Jan 1864-0.03666423
Feb 1864-0.02796078
Mar 18642.6702348E-04
Apr 18640.141197
May 18640.2688533
Jun 18640.2361599
Jul 18640.5872589
Aug 18640.972976
Sep 18640.9964353
Oct 18641.057848
Nov 18640.9489363
Dec 18640.9057693
Jan 18650.8274092
Feb 18650.8174867
Mar 18650.6755006
Apr 18650.688661
May 18650.6743393
Jun 18650.6806219
Jul 18650.8350766
Aug 18650.8133494
Sep 18650.8704866
Oct 18650.9836465
Nov 18651.060424
Dec 18651.171835
Jan 18661.297397
Feb 18661.218756
Mar 18661.155709
Apr 18661.055171
May 18661.190474
Jun 18661.287784
Jul 18661.169257
Aug 18661.009454
Sep 18660.8073066
Oct 18660.7115012
Nov 18660.7062626
Dec 18660.6377662
Jan 18670.7809371
Feb 18670.8102981
Mar 18670.9157225
Apr 18670.9293737
May 18671.110704
Jun 18671.191523
Jul 18670.9932103
Aug 18670.8342871
Sep 18670.7969856
Oct 18670.5676088
Nov 18670.4156066
Dec 18670.4939593
Jan 18680.4642867
Feb 18680.4319989
Mar 18680.3602125
Apr 18680.2674174
May 18680.4687792
Jun 18680.519743
Jul 18680.5406959
Aug 18680.7036906
Sep 18681.089046
Oct 18681.311643
Nov 18681.614937
Dec 18681.452738
Jan 18691.126393
Feb 18690.760204
Mar 18690.3936017
Apr 18690.1797488
May 1869-0.03084828
Jun 1869-0.1942223
Jul 1869-0.3013129
Aug 1869-0.7033587
Sep 1869-1.221672
Oct 1869-0.8799259
Nov 1869-0.7972191
Dec 1869-0.8017465
Jan 1870-0.965927
Feb 1870-0.7487907
Mar 1870-0.4346262
Apr 1870-0.2158305
May 1870-0.3748683
Jun 1870-0.5198226
Jul 1870-0.6700282
Aug 1870-0.70989
Sep 1870-0.6909078
Oct 1870-0.8420703
Nov 1870-0.9346427
Dec 1870-0.5648797
Jan 1871-0.3587188
Feb 1871-0.2928245
Mar 1871-0.1436466
Apr 1871-0.1498028
May 1871-0.2746888
Jun 1871-0.3729676
Jul 1871-0.2719086
Aug 1871-0.3382679
Sep 1871-0.1761402
Oct 1871-0.05236335
Nov 1871-0.005080712
Dec 1871-0.2190979
Jan 1872-0.507943
Feb 1872-0.5338779
Mar 1872-0.5470864
Apr 1872-0.5993402
May 1872-0.6539498
Jun 1872-0.5890633
Jul 1872-0.5151876
Aug 1872-0.622287
Sep 1872-1.006794
Oct 1872-0.9242316
Nov 1872-0.8692099
Dec 1872-0.7839134
Jan 1873-0.7322224
Feb 1873-0.848555
Mar 1873-0.8302711
Apr 1873-0.6967049
May 1873-0.4472251
Jun 1873-0.3311406
Jul 1873-0.1519745
Aug 1873-0.3931844
Sep 1873-0.35809
Oct 1873-0.6436241
Nov 1873-1.022443
Dec 1873-1.15798
Jan 1874-0.977675
Feb 1874-1.095369
Mar 1874-0.9698693
Apr 1874-0.8385447
May 1874-0.7492242
Jun 1874-0.7405641
Jul 1874-0.8531258
Aug 1874-1.169888
Sep 1874-1.008743
Oct 1874-1.02821
Nov 1874-1.241719
Dec 1874-0.7862667
Jan 1875-0.5007489
Feb 1875-0.7723381
Mar 1875-0.4697102
Apr 1875-0.7509295
May 1875-0.6116778
Jun 1875-0.5964393
Jul 1875-0.4156816
Aug 1875-0.710027
Sep 1875-0.58809
Oct 1875-0.8802114
Nov 1875-0.7978505
Dec 1875-0.6426929
Jan 1876-0.9430026
Feb 1876-0.9875724
Mar 1876-0.9535649
Apr 1876-0.9449373
May 1876-0.4895944
Jun 1876-0.2590892
Jul 1876-0.02269931
Aug 1876-0.0394473
Sep 1876-0.06526132
Oct 18760.4626058
Nov 18760.4427125
Dec 18760.396056
Jan 18770.6933954
Feb 18770.6445057
Mar 18770.7832347
Apr 18771.153204
May 18771.144875
Jun 18771.700639
Jul 18771.855882
Aug 18772.149972
Sep 18772.493482
Oct 18772.532328
Nov 18772.617669
Dec 18772.768228
Jan 18782.706941
Feb 18782.490248
Mar 18782.063885
Apr 18781.616921
May 18781.422885
Jun 18781.188132
Jul 18780.8760833
Aug 18780.4318818
Sep 1878-0.08010317
Oct 1878-0.3455392
Nov 1878-0.3302751
Dec 1878-0.3774329
Jan 1879-0.08524374
Feb 18790.1259546
Mar 1879-0.0371546
Apr 1879-0.05080608
May 1879-0.06481541
Jun 1879-0.2119253
Jul 1879-0.3412859
Aug 1879-0.7765452
Sep 1879-0.5242156
Oct 1879-0.5390989
Nov 1879-0.6571201
Dec 1879-0.9762943
Jan 1880-1.14188
Feb 1880-0.3620768
Mar 1880-0.1695351
Apr 1880-0.08182127
May 1880-0.1210259
Jun 1880-0.2339711
Jul 1880-0.4074053
Aug 1880-0.1069904
Sep 18800.198529
Oct 18800.4775516
Nov 18800.3577367
Dec 18800.4414097
Jan 18810.4248731
Feb 18810.2995668
Mar 18810.3148039
Apr 18810.4116186
May 18810.318777
Jun 18810.1204593
Jul 1881-0.03956385
Aug 18810.0931209
Sep 18810.01017026
Oct 1881-0.1219171
Nov 1881-0.3250878
Dec 1881-0.372119
Jan 1882-0.4369687
Feb 1882-0.3978217
Mar 1882-0.2577064
Apr 1882-0.1875025
May 1882-0.3115286
Jun 1882-0.7728069
Jul 1882-0.9155949
Aug 1882-0.6939514
Sep 1882-0.3926249
Oct 1882-0.5965714
Nov 1882-0.7112704
Dec 1882-0.6326277
Jan 1883-0.5953483
Feb 1883-0.4700374
Mar 1883-0.05947516
Apr 18830.132002
May 18830.1387638
Jun 18830.1856733
Jul 18830.2323347
Aug 18830.2112349
Sep 18830.08882114
Oct 1883-0.1019899
Nov 18830.0522038
Dec 1883-0.1728456
Jan 1884-0.2721644
Feb 1884-0.2467712
Mar 18840.1007315
Apr 18840.5185267
May 18840.4641195
Jun 18840.2624407
Jul 18840.2920676
Aug 18840.468108
Sep 18840.4283462
Oct 18840.7612629
Nov 18840.752303
Dec 18840.8731384
Jan 18850.7254738
Feb 18850.2953367
Mar 18850.420362
Apr 18850.3789994
May 18850.1682411
Jun 18850.1328746
Jul 1885-0.04040695
Aug 18850.1745295
Sep 18850.5653868
Oct 18850.7369159
Nov 18850.7882868
Dec 18850.6393248
Jan 18860.07129367
Feb 1886-0.4073939
Mar 1886-0.3075505
Apr 1886-0.3341043
May 1886-0.5296564
Jun 1886-0.9588613
Jul 1886-0.9322238
Aug 1886-0.8663436
Sep 1886-0.6604351
Oct 1886-0.9447826
Nov 1886-0.91362
Dec 1886-1.123852
Jan 1887-0.9297581
Feb 1887-0.8672336
Mar 1887-0.6693604
Apr 1887-0.5626882
May 1887-0.1484034
Jun 1887-0.01871508
Jul 1887-0.004448741
Aug 1887-0.3269316
Sep 1887-0.01324375
Oct 18870.003129408
Nov 18870.2023958
Dec 18870.2925512
Jan 18880.5080474
Feb 18880.6728494
Mar 18880.5884187
Apr 18880.4789288
May 18880.872642
Jun 18880.8661187
Jul 18880.8960886
Aug 18880.9291189
Sep 18881.492117
Oct 18881.801422
Nov 18881.976892
Dec 18882.133921
Jan 18892.08082
Feb 18891.609783
Mar 18891.285711
Apr 18890.9749942
May 18890.7256586
Jun 18890.2141094
Jul 1889-0.2730065
Aug 1889-0.9481459
Sep 1889-0.7346705
Oct 1889-1.058232
Nov 1889-1.150147
Dec 1889-1.108014
Jan 1890-1.387866
Feb 1890-0.8446153
Mar 1890-0.8433486
Apr 1890-0.5577911
May 1890-0.4421893
Jun 1890-0.5733762
Jul 1890-0.624975
Aug 1890-0.6914277
Sep 1890-0.6310944
Oct 1890-0.9733682
Nov 1890-0.8635943
Dec 1890-0.2233572
Jan 18910.008253021
Feb 18910.1999137
Mar 18910.1520299
Apr 18910.5337161
May 18910.6613445
Jun 18910.6021646
Jul 18910.4718256
Aug 18910.341123
Sep 1891-0.08055287
Oct 18910.08113151
Nov 18910.1597879
Dec 1891-0.01488989
Jan 18920.01701255
Feb 1892-0.04266522
Mar 1892-0.1318495
Apr 1892-0.3775811
May 1892-0.4278891
Jun 1892-0.6759114
Jul 1892-0.8221979
Aug 1892-0.9607051
Sep 1892-1.270066
Oct 1892-1.720526
Nov 1892-1.536326
Dec 1892-1.372649
Jan 1893-1.33853
Feb 1893-1.466773
Mar 1893-1.12407
Apr 1893-1.090937
May 1893-1.163695
Jun 1893-1.078549
Jul 1893-0.8744432
Aug 1893-0.8144639
Sep 1893-0.7966973
Oct 1893-0.8029079
Nov 1893-0.7878944
Dec 1893-0.6133332
Jan 1894-0.7228003
Feb 1894-0.7027472
Mar 1894-0.7409906
Apr 1894-0.545367
May 1894-0.5574281
Jun 1894-0.2490067
Jul 1894-0.1229643
Aug 1894-0.3529902
Sep 1894-0.1921437
Oct 1894-0.308795
Nov 1894-0.2571668
Dec 1894-0.4377249
Jan 1895-0.2956854
Feb 1895-0.3303982
Mar 1895-0.03710793
Apr 18950.122707
May 18950.2085261
Jun 18950.07194397
Jul 18950.03431495
Aug 18950.191041
Sep 18950.5343401
Oct 18950.495431
Nov 18950.8032097
Dec 18950.6529356
Jan 18960.4963084
Feb 18960.4005755
Mar 18960.4311305
Apr 18960.388858
May 18960.3621522
Jun 18960.4797319
Jul 18960.8197827
Aug 18961.330362
Sep 18961.172138
Oct 18961.297644
Nov 18961.749193
Dec 18962.119336
Jan 18971.830191
Feb 18971.488186
Mar 18970.8820725
Apr 18970.4309514
May 18970.2121454
Jun 18970.09694805
Jul 18970.05337303
Aug 1897-0.1761162
Sep 1897-0.03384324
Oct 1897-0.2255687
Nov 1897-0.4404518
Dec 1897-0.3961982
Jan 1898-0.2945282
Feb 1898-0.4301129
Mar 1898-0.4918092
Apr 1898-0.1285781
May 1898-0.1785638
Jun 1898-0.2383489
Jul 1898-0.3862762
Aug 1898-0.5326267
Sep 1898-0.4885688
Oct 1898-0.5495051
Nov 1898-0.7000293
Dec 1898-0.7161575
Jan 1899-0.5657887
Feb 1899-0.3804422
Mar 1899-0.1105289
Apr 18990.2867325
May 18990.5402475
Jun 18990.6050402
Jul 18990.7576615
Aug 18991.065094
Sep 18991.128902
Oct 18991.298813
Nov 18991.327842
Dec 18991.540621
Jan 19001.431964
Feb 19001.352043
Mar 19001.038765
Apr 19001.027189
May 19000.9558539
Jun 19000.8512012
Jul 19000.7732013
Aug 19000.6233611
Sep 19000.4967896
Oct 19000.5063674
Nov 19000.2988993
Dec 19000.5067418
Jan 19010.3276578
Feb 19010.1364093
Mar 1901-0.1126374
Apr 19010.01259731
May 1901-0.09889906
Jun 1901-0.2426667
Jul 1901-0.3943274
Aug 1901-0.3145178
Sep 1901-0.2814196
Oct 1901-0.09815791
Nov 1901-0.09335802
Dec 1901-0.001742631
Jan 19020.2584866
Feb 19020.4121844
Mar 19020.4915802
Apr 19020.6420115
May 19020.8921279
Jun 19021.180685
Jul 19021.549853
Aug 19021.598056
Sep 19021.634787
Oct 19021.550637
Nov 19021.779141
Dec 19021.555267
Jan 19031.134272
Feb 19030.8528433
Mar 19030.5904921
Apr 19030.2388463
May 1903-0.02203339
Jun 1903-0.2980583
Jul 1903-0.4168679
Aug 1903-0.4936716
Sep 1903-0.5713142
Oct 1903-0.5982616
Nov 1903-0.773704
Dec 1903-0.9755818
Jan 1904-0.6446748
Feb 1904-0.4285127
Mar 1904-0.2576191
Apr 19040.01088749
May 19040.2481185
Jun 19040.3551469
Jul 19040.6292315
Aug 19040.7095217
Sep 19040.5283827
Oct 19040.7079634
Nov 19040.760287
Dec 19040.9321866
Jan 19051.019594
Feb 19050.8949627
Mar 19051.035322
Apr 19051.164717
May 19051.538269
Jun 19051.603439
Jul 19051.506176
Aug 19051.491888
Sep 19051.677302
Oct 19051.575288
Nov 19051.520969
Dec 19051.506904
Jan 19061.362667
Feb 19060.9346638
Mar 19060.4803927
Apr 19060.6011216
May 19060.1576547
Jun 19060.05423285
Jul 1906-0.242014
Aug 1906-0.7846168
Sep 1906-0.5013905
Oct 1906-0.5594644
Nov 1906-0.5758371
Dec 1906-0.4168587
Jan 1907-0.4065702
Feb 1907-0.3842921
Mar 1907-0.1828671
Apr 19070.02789211
May 19070.1957929
Jun 19070.4248118
Jul 19070.414283
Aug 19070.1697117
Sep 19070.09337655
Oct 1907-0.01343907
Nov 1907-0.2276512
Dec 19070.1668706
Jan 1908-0.07629091
Feb 1908-0.1082157
Mar 1908-0.3267481
Apr 1908-0.5878754
May 1908-0.5272205
Jun 1908-0.3972838
Jul 1908-0.6351178
Aug 1908-0.4520617
Sep 1908-0.5976667
Oct 1908-0.6694799
Nov 1908-0.8448194
Dec 1908-1.075623
Jan 1909-0.8272102
Feb 1909-0.6675802
Mar 1909-0.5113922
Apr 1909-0.3939195
May 1909-0.3321157
Jun 1909-0.4349235
Jul 1909-0.4263315
Aug 1909-0.443577
Sep 1909-0.5927213
Oct 1909-0.9326612
Nov 1909-1.227405
Dec 1909-1.027257
Jan 1910-0.9141178
Feb 1910-0.9795296
Mar 1910-0.9702853
Apr 1910-1.155048
May 1910-1.00449
Jun 1910-0.6503137
Jul 1910-0.6112722
Aug 1910-0.8960486
Sep 1910-0.5584386
Oct 1910-0.5995888
Nov 1910-0.6206758
Dec 1910-0.5156247
Jan 1911-0.4996882
Feb 1911-0.8358832
Mar 1911-0.7788541
Apr 1911-0.6635586
May 1911-0.2133411
Jun 19110.1305049
Jul 19110.3521282
Aug 19110.5595071
Sep 19110.7215005
Oct 19110.9853563
Nov 19111.256641
Dec 19111.548042
Jan 19121.391527
Feb 19121.139463
Mar 19120.8090652
Apr 19120.7461621
May 19120.4717958
Jun 19120.2029458
Jul 1912-0.1592693
Aug 1912-0.2948239
Sep 1912-0.1466019
Oct 1912-0.01764442
Nov 19120.02733467
Dec 1912-0.03507817
Jan 19130.3366216
Feb 19130.3779009
Mar 1913-0.04713548
Apr 1913-0.2417589
May 1913-0.1527189
Jun 19130.1027856
Jul 19130.276639
Aug 19130.3832071
Sep 19130.4741919
Oct 19130.6100211
Nov 19130.8274927
Dec 19131.058656
Jan 19141.061553
Feb 19140.7107175
Mar 19140.7074158
Apr 19141.003997
May 19140.8074634
Jun 19140.4961235
Jul 19140.7028868
Aug 19141.03148
Sep 19141.057954
Oct 19141.202556
Nov 19141.359223
Dec 19141.464458
Jan 19151.509306
Feb 19151.496448
Mar 19151.468825
Apr 19151.344823
May 19151.323704
Jun 19151.216518
Jul 19151.067114
Aug 19150.5693345
Sep 19150.24894
Oct 19150.1170746
Nov 1915-0.05907891
Dec 1915-0.3172831
Jan 1916-0.5291704
Feb 1916-0.60252
Mar 1916-0.5831534
Apr 1916-0.6358208
May 1916-0.8252836
Jun 1916-0.911189
Jul 1916-0.9306833
Aug 1916-1.303057
Sep 1916-1.209272
Oct 1916-1.114891
Nov 1916-1.21351
Dec 1916-1.280517
Jan 1917-1.413873
Feb 1917-1.187537
Mar 1917-1.309147
Apr 1917-0.6177121
May 1917-0.2919208
Jun 19170.1085379
Jul 19170.1107343
Aug 1917-0.1786805
Sep 1917-0.4293939
Oct 1917-0.7703077
Nov 1917-1.043729
Dec 1917-1.098966
Jan 1918-1.100732
Feb 1918-0.7770852
Mar 1918-0.2958637
Apr 19180.1036335
May 19180.5640494
Jun 19180.841355
Jul 19181.063626
Aug 19181.173787
Sep 19181.415453
Oct 19181.761235
Nov 19181.933194
Dec 19181.797621
Jan 19191.731325
Feb 19191.558685
Mar 19191.313046
Apr 19191.159514
May 19190.893078
Jun 19190.600371
Jul 19190.3902829
Aug 19190.614531
Sep 19190.5989759
Oct 19190.4869368
Nov 19190.5894368
Dec 19190.9501035
Jan 19201.107316
Feb 19201.14483
Mar 19200.9496214
Apr 19200.9655008
May 19201.02041
Jun 19200.7432253
Jul 19200.2823282
Aug 19200.16323
Sep 19200.142494
Oct 1920-0.1116955
Nov 1920-0.144211
Dec 1920-0.05557993
Jan 1921-0.1886296
Feb 1921-0.5715312
Mar 1921-1.2874
Apr 1921-0.5612203
May 1921-0.2547514
Jun 1921-0.1211611
Jul 1921-0.1096875
Aug 1921-0.185783
Sep 1921-0.07304604
Oct 1921-0.08764634
Nov 1921-0.1750221
Dec 1921-0.3368772
Jan 1922-0.4254367
Feb 19220.2161198
Mar 19220.3497096
Apr 19220.2141798
May 19220.1819907
Jun 1922-0.09517665
Jul 1922-0.6171089
Aug 1922-1.316164
Sep 1922-0.9477794
Oct 1922-0.6442211
Nov 1922-0.5451223
Dec 1922-0.4863134
Jan 1923-0.4081191
Feb 1923-0.2072722
Mar 19230.02162933
Apr 19230.3294799
May 19230.6772367
Jun 19230.7599021
Jul 19230.5661206
Aug 19230.8490753
Sep 19230.7707614
Oct 19230.5786776
Nov 19230.9461936
Dec 19231.035331
Jan 19240.7597766
Feb 19240.6884188
Mar 19240.6673419
Apr 19240.1533184
May 1924-0.5048049
Jun 1924-0.7385331
Jul 1924-0.7732423
Aug 1924-0.8532965
Sep 1924-0.8378311
Oct 1924-0.6702929
Nov 1924-0.7988967
Dec 1924-0.6914919
Jan 1925-1.076208
Feb 1925-0.4493022
Mar 19250.1320171
Apr 19250.4718059
May 19250.3154405
Jun 19250.5727072
Jul 19250.8343633
Aug 19250.9208659
Sep 19250.9049177
Oct 19250.823137
Nov 19251.438853
Dec 19251.619907
Jan 19261.50145
Feb 19261.119931
Mar 19261.224972
Apr 19261.196327
May 19260.8807021
Jun 19260.5207583
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