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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
19-Oct-2021 1016.99 1011.70 15.47 (-5.87) 11.45 (+0.10) 8.84 (+0.08)
18-Oct-2021 1016.85 1010.65 21.34 (+1.68) 11.35 (+0.24) 8.76 (+0.14)
17-Oct-2021 1015.49 1009.55 19.66 (-8.77) 11.11 (+0.17) 8.62 (+0.12)
16-Oct-2021 1015.90 1008.60 28.43 (+6.77) 10.94 (+0.62) 8.50 (+0.12)
15-Oct-2021 1014.90 1008.65 21.66 (+4.77) 10.32 (+0.38) 8.38 (-0.1)
14-Oct-2021 1013.66 1008.15 16.89 (+2.39) 9.94 (+0.07) 8.48 (-0.17)
13-Oct-2021 1013.09 1007.95 14.50 (+1.54) 9.87 (-0.45) 8.65 (-0.26)
12-Oct-2021 1012.85 1007.95 12.96 (+10.64) 10.32 (-0.39) 8.91 (-0.15)
11-Oct-2021 1011.85 1008.60 2.32 (+6.45) 10.71 (-0.06) 9.06 (-0.26)
10-Oct-2021 1011.65 1009.40 -4.13 (-6.64) 10.77 (-0.1) 9.32 (-0.23)
9-Oct-2021 1012.98 1009.70 2.51 (-10.57) 10.87 (-0.17) 9.55 (-0.14)
8-Oct-2021 1014.42 1009.50 13.08 (-1.04) 11.04 (+0.32) 9.69 (-0.04)
7-Oct-2021 1013.78 1008.70 14.12 (+6.77) 10.72 (+0.68) 9.73 (-0.01)
6-Oct-2021 1012.23 1008.20 7.35 (-5.22) 10.04 (+0.30) 9.74 (-0.04)
5-Oct-2021 1012.14 1007.30 12.57 (-5.28) 9.74 (-0.07) 9.78 (+0.01)
4-Oct-2021 1013.21 1007.55 17.85 (+1.74) 9.81 (+/-0.00) 9.77 (+0.16)
3-Oct-2021 1014.09 1008.70 16.11 (+2.57) 9.81 (+0.21) 9.61 (+0.17)
2-Oct-2021 1014.94 1009.95 13.54 (+2.78) 9.60 (+0.36) 9.44 (-0.02)
1-Oct-2021 1015.26 1010.70 10.76 (-7.49) 9.24 (+0.05) 9.46 (-0.09)
30-Sep-2021 1016.39 1011.00 18.25 (-12.24) 9.19 (-0.24) 9.55 (-0.09)
29-Sep-2021 1017.85 1010.40 30.49 (-6.41) 9.43 (+0.08) 9.64 (-0.01)
28-Sep-2021 1018.58 1010.05 36.90 (+12.65) 9.35 (+0.78) 9.65 (+0.29)
27-Sep-2021 1016.65 1010.25 24.25 (+24.49) 8.57 (+0.66) 9.36 (+0.27)
26-Sep-2021 1013.18 1010.90 -0.24 (+15.68) 7.91 (-0.21) 9.09 (+0.06)
25-Sep-2021 1011.09 1011.45 -15.92 (+2.26) 8.12 (-0.72) 9.03 (-0.11)
24-Sep-2021 1011.46 1012.20 -18.18 (-7.96) 8.84 (-0.95) 9.14 (-0.27)
23-Sep-2021 1013.45 1012.85 -10.22 (-10.34) 9.79 (-0.74) 9.41 (-0.23)
22-Sep-2021 1014.79 1012.45 0.12 (-12.9) 10.53 (-0.17) 9.64 (-0.16)
21-Sep-2021 1015.81 1011.30 13.02 (+4.88) 10.70 (+0.32) 9.80 (+0.07)
20-Sep-2021 1016.79 1013.10 8.14 10.38 9.73




Charts: 2021 | 2020 | 2019 | 2018 | 2017 | Source: The State of Queensland, Australia

ENSO Wrap Up (Source: here)

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Last Accessed: Wed Oct 20 2021 02:44:47 HKT
Last Modified: Wed Jul 24 2019

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