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Real-time SOI Data

Numerical data from here and values are calculated using the 1887-1989 base period. This information is usually updated every weekday at 2:00pm (AEST), public holidays excluded.

Date Pressure at Tahiti (hPa) Pressure at Darwin (hPa) Daily value 30-day average SOI 90-day average SOI
27-Feb-2024 1013.65 1006.35 12.30 (+5.67) -17.41 (+0.75) -5.05 (+0.15)
26-Feb-2024 1012.07 1005.95 6.63 (+3.80) -18.16 (+0.33) -5.20 (+0.09)
25-Feb-2024 1011.93 1006.60 2.83 (+0.81) -18.49 (+0.18) -5.29 (-0.06)
24-Feb-2024 1013.31 1008.15 2.02 (+5.77) -18.67 (+0.32) -5.23 (-0.09)
23-Feb-2024 1013.96 1010.00 -3.75 (-2.79) -18.99 (+0.01) -5.14 (-0.07)
22-Feb-2024 1014.09 1009.55 -0.96 (-7.06) -19.00 (+0.19) -5.07 (+0.06)
21-Feb-2024 1014.56 1008.55 6.10 (+2.83) -19.19 (+0.17) -5.13 (+0.25)
20-Feb-2024 1014.12 1008.70 3.27 (+8.75) -19.36 (-0.25) -5.38 (+0.23)
19-Feb-2024 1012.40 1008.80 -5.48 (-1.49) -19.11 (-0.69) -5.61 (+0.14)
18-Feb-2024 1011.26 1007.35 -3.99 (+0.57) -18.42 (-0.82) -5.75 (+0.05)
17-Feb-2024 1011.14 1007.35 -4.56 (-1.53) -17.60 (-0.8) -5.80 (-0.07)
16-Feb-2024 1011.26 1007.15 -3.03 (+5.52) -16.80 (-0.98) -5.73 (-0.07)
15-Feb-2024 1010.51 1007.55 -8.55 (+11.29) -15.82 (-1.34) -5.66 (-0.09)
14-Feb-2024 1008.61 1008.00 -19.84 (+7.20) -14.48 (-1.71) -5.57 (-0.11)
13-Feb-2024 1007.06 1007.95 -27.04 (+10.47) -12.77 (-1.78) -5.46 (-0.13)
12-Feb-2024 1005.08 1008.15 -37.51 (+3.22) -10.99 (-2.05) -5.33 (-0.18)
11-Feb-2024 1005.21 1008.95 -40.73 (-1.2) -8.94 (-1.79) -5.15 (-0.09)
10-Feb-2024 1005.61 1009.10 -39.53 (+7.01) -7.15 (-1.58) -5.06 (-0.13)
9-Feb-2024 1003.50 1008.45 -46.54 (-14.31) -5.57 (-1.6) -4.93 (-0.29)
8-Feb-2024 1005.88 1007.85 -32.23 (+6.82) -3.97 (-1.13) -4.64 (-0.22)
7-Feb-2024 1005.31 1008.70 -39.05 (+2.64) -2.84 (-1.34) -4.42 (-0.3)
6-Feb-2024 1005.56 1009.50 -41.69 (-5.28) -1.50 (-1.48) -4.12 (-0.27)
5-Feb-2024 1007.06 1009.90 -36.41 (-8.36) -0.02 (-0.96) -3.85 (-0.19)
4-Feb-2024 1008.30 1009.40 -28.05 (-5.86) 0.94 (-0.71) -3.66 (-0.15)
3-Feb-2024 1007.67 1007.55 -22.19 (+6.82) 1.65 (-0.55) -3.51 (-0.15)
2-Feb-2024 1006.85 1008.15 -29.01 (+0.39) 2.20 (-0.99) -3.36 (-0.34)
1-Feb-2024 1007.27 1008.65 -29.40 (-7.88) 3.19 (-0.99) -3.02 (-0.32)
31-Jan-2024 1009.49 1009.45 -21.52 (-3.48) 4.18 (-0.63) -2.70 (-0.2)
30-Jan-2024 1009.93 1009.15 -18.04 (-1.79) 4.81 (-1) -2.50 (-0.21)
29-Jan-2024 1009.71 1008.55 -16.25 5.81 -2.29




Charts: 2024 | 2023 | 2022 | 2021 | 2020 | Source: The State of Queensland, Australia

For the latest synopsis of the current ENSO conditions, please visit Australia's Bureau of Meteorology website.

Last Accessed: Wed Feb 28 2024 16:13:48 HKT
Last Modified: Mon Jul 24 2023