Seychelles vs Türkiye: Standardised Precipitation-Evapotranspiration Index

Seychelles
0.2971
in 2023
Türkiye
0.3045
in 2023
Seychelles rank
47th
Türkiye rank
46th

Standardised Precipitation-Evapotranspiration Index over time

  • Seychelles
  • Türkiye
-2-1012196019912023

How they compare

Türkiye currently reports 0.3045 against 0.2971 in Seychelles, a difference of 0.0074.

The two have swapped places 22 times across 64 shared years of data; in 1960 it was Türkiye ahead.

Seychelles ranks 47th and Türkiye ranks 46th of 189 countries.

Across the 7 decades both report, Seychelles averaged higher in 4 and Türkiye in 3.

Head to head by decade

Decade Seychelles Türkiye Difference Ahead
1960s 0.6374 0.6396 0.0023 Türkiye
1970s 0.0127 -0.0781 0.0908 Seychelles
1980s -0.2979 0.164 0.4618 Türkiye
1990s 0.2321 -0.1802 0.4123 Seychelles
2000s -0.1509 -0.3274 0.1765 Seychelles
2010s -0.4196 0.0908 0.5104 Türkiye
2020s 0.143 -1.03 1.17 Seychelles

Averages of every year both report within each decade.

Frequently asked questions

Which has higher standardised precipitation-evapotranspiration index, Seychelles or Türkiye?
Türkiye, at 0.3045 against 0.2971 in Seychelles as of 2023.
What is the difference in standardised precipitation-evapotranspiration index between Seychelles and Türkiye?
0.0074, with Türkiye ahead.
How many years of comparable data are there for Seychelles and Türkiye?
64 years are reported by both, from 1960 to 2023.
How do Seychelles and Türkiye rank globally for standardised precipitation-evapotranspiration index?
Seychelles ranks 47th and Türkiye ranks 46th of 189 countries.
Where does this data come from?
Global SPEI database (SPEIbase). https://spei.csic.es/database.html, published as Standardised Precipitation-Evapotranspiration Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Seychelles vs Türkiye: Standardised Precipitation-Evapotranspiration Index. Statizoid, drawing on Global SPEI database (SPEIbase). https://spei.csic.es/database.html. Retrieved 17 August 2026, from https://environment.statizoid.com/compare/standardised-precipitation-evapotranspiration-index/seychelles/turkiye/

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About this data

Indicator
Standardised Precipitation-Evapotranspiration Index
Source
Global SPEI database (SPEIbase). https://spei.csic.es/database.html
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
189 places, 12,095 data points, 1960–2023
Last refreshed

The SPEI fulfills the requirements of a drought index since its multi-scalar character enables it to be used by different scientific disciplines to detect, monitor, and analyze droughts. Like the sc-PDSI and the SPI, the SPEI can measure drought severity according to its intensity and duration, and can identify the onset and end of drought episodes. The SPEI allows comparison of drought severity through time and space, since it can be calculated over a wide range of climates, as can the SPI.