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SC Climate Division 2 — Northwest

SC Climate Division 2 — Northwest

Eleven weather stations: ANDERSON, ANDERSON FAA AP, CHESNEE 7 WSW, CLEMSON UNIV, GASTON SHOALS, NINETY NINE ISLANDS, PICKENS, RAINBOW LAKE, SANTUCK, SIMMS WTP, UNION 8 S

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SC Climate Division 2 — Northwest
Average Monthly Precipitation

Data Source: NOAA’s Satellite and Information Service | National Environmental Satellite, Data, and Information Service (NESDIS)

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SC Climate Division 2 — Northwest
Historical Monthly Precipitation, 1895–2016

Data Source: NOAA’s Satellite and Information Service | National Environmental Satellite, Data, and Information Service (NESDIS)

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SC Climate Division 2 — Northwest
Drought Indexes

PDSI PHDI PMDI SPI 1 SPI 2 SPI 3 SPI 6 SPI 9 SPI 12 SPI 24 ZNDX

hydrologic index

Data Source: NOAA’s National Centers for Environmental Information (NCEI)

Reading a Heat Map

This chart shows a specified drought measure for each month from 1895-2015. Each row represents a single year; each column a single month, January through December from left to right. These charts help to identify unusually wet or dry periods in history. See the glossary for additional information on each drought measure.