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What does SPI stand for?

SPI stands for Standardized Precipitation Index

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This definition appears very rarely and is found in the following Acronym Finder categories:
  • Science, medicine, engineering, etc.

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Other Resources:
We have 476 other definitions for SPI in our Acronym Attic
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Special Position Identifier (aircraft transponder Mode A capability)
Special Processing Indicator
Specialist, Punched Card Accounting Machine Operator (US Navy)
Spectrometer on Integral
Spiral Point of Intersection
Spots Per Inch
Springfield, IL, USA - Capital Airport (Airport Code)
Standard Parallel Interface (computing)
Standard Practice Instruction
Standard Programmatic Interface
State Pain Initiative (American Alliance of Cancer Pain Initiatives)
State Pedagogical Institute (various locations)
Stateful Packet Inspection (firewall based protocol)
Statutory Performance Indicator
Strategic Partnership Initiative (various organizations)
Strategic Planning and Information
Strategic Planning Initiative
Strategic Profits Inc
Strategic Psychological Intelligence (trademark of Boswell Group)
Stroke Prevention Initiative

Samples in periodicals archive:
One of the widely used drought indices is the standardized precipitation index or SPI (McKee et al.
In an earlier paper (Harnack and Small, 2002), a modified standardized precipitation index (SPI) was applied to the precipitation record of New Brunswick, New Jersey.
The most common Meteorological indices include Palmer Drought Severity Index (PDSI) (Palmer, 1965), Deciles (Gibbs and Maher, 1967), and the Standardized Precipitation Index (SPI) (McKee et al.

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