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Spanning the Spectrum
February so far has brought a wide range of conditions. … read full story
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These maps, which are produced by the Applied Climate Information System (ACIS), show recent precipitation and temperature patterns on a regional or nationwide basis. Normals used on the departure and percent of normal maps are for the period 1981-2010. The Standardized Precipitation Index (SPI) is negative for dry conditions and positive for wet conditions.