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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
25-Jul-2021 1016.49 1012.95 15.94 (-0.25) 15.03 (+0.18) 6.47 (+0.13)
24-Jul-2021 1016.48 1012.90 16.19 (-1.66) 14.85 (+0.05) 6.34 (+0.32)
23-Jul-2021 1016.15 1012.30 17.85 (+1.35) 14.80 (+0.37) 6.02 (+0.21)
22-Jul-2021 1016.63 1013.00 16.50 (+7.70) 14.43 (+0.52) 5.81 (+0.05)
21-Jul-2021 1016.38 1014.00 8.80 (-0.06) 13.91 (+0.75) 5.76 (+0.02)
20-Jul-2021 1015.49 1013.10 8.86 (+0.06) 13.16 (+0.84) 5.74 (+/-0.00)
19-Jul-2021 1014.83 1012.45 8.80 (-8.5) 12.32 (+0.55) 5.74 (-0.14)
18-Jul-2021 1014.96 1011.20 17.30 (-13.11) 11.77 (+0.51) 5.88 (+0.05)
17-Jul-2021 1016.94 1011.05 30.41 (-2.64) 11.26 (+0.71) 5.83 (+0.35)
16-Jul-2021 1017.92 1011.60 33.05 (-4.81) 10.55 (+0.53) 5.48 (+0.42)
15-Jul-2021 1017.50 1010.40 37.86 (+11.64) 10.02 (+0.45) 5.06 (+0.37)
14-Jul-2021 1015.66 1010.45 26.22 (+1.04) 9.57 (+0.33) 4.69 (+0.34)
13-Jul-2021 1016.64 1011.60 25.18 (+7.94) 9.24 (+0.70) 4.35 (+0.50)
12-Jul-2021 1016.45 1012.70 17.24 (+2.28) 8.54 (+0.53) 3.85 (+0.48)
11-Jul-2021 1015.83 1012.45 14.96 (-1.84) 8.01 (+0.60) 3.37 (+0.27)
10-Jul-2021 1015.63 1011.95 16.80 (+2.09) 7.41 (+0.53) 3.10 (+0.08)
9-Jul-2021 1014.84 1011.50 14.71 (+3.32) 6.88 (+0.50) 3.02 (+0.06)
8-Jul-2021 1014.60 1011.80 11.39 (+0.06) 6.38 (+0.73) 2.96 (+0.02)
7-Jul-2021 1014.39 1011.60 11.33 (+7.95) 5.65 (+1.01) 2.94 (+0.12)
6-Jul-2021 1013.35 1011.85 3.38 (+2.40) 4.64 (+0.83) 2.82 (+0.12)
5-Jul-2021 1014.11 1013.00 0.98 (-14.04) 3.81 (+0.71) 2.70 (+0.02)
4-Jul-2021 1016.04 1012.65 15.02 (-4.25) 3.10 (+0.97) 2.68 (+0.02)
3-Jul-2021 1016.38 1012.30 19.27 (-6.46) 2.13 (+0.47) 2.66 (+0.17)
2-Jul-2021 1017.63 1012.50 25.73 (-5.72) 1.66 (+0.53) 2.49 (+0.43)
1-Jul-2021 1017.31 1011.25 31.45 (+20.70) 1.13 (+1.09) 2.06 (+0.46)
30-Jun-2021 1015.92 1013.10 10.75 (+9.98) 0.04 (+0.71) 1.60 (+0.17)
29-Jun-2021 1015.05 1013.65 0.77 (+6.96) -0.67 (+0.39) 1.43 (+0.08)
28-Jun-2021 1015.51 1015.10 -6.19 (-0.57) -1.06 (+0.18) 1.35 (-0.08)
27-Jun-2021 1015.34 1014.85 -5.62 (-11.45) -1.24 (+0.02) 1.43 (-0.07)
26-Jun-2021 1015.42 1013.30 5.83 -1.26 1.50




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

ENSO Wrap Up (Source: here)

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Last Accessed: Mon Jul 26 2021 03:19:54 HKT
Last Modified: Wed Jul 24 2019

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