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    Climate index values for estimating decay hazard to wood exposed outdoors above ground (commonly known as Scheffer index values) were calculated for 280 locations in the United States (270 locations in the conterminous United States) using the most current climate normal data available from the National Climatic Data Center. These were data for the period 1971–2000. In general, the values appear to have been moderately higher during this period than the values listed by Scheffer. The values are listed, and a revised climate index map is provided.

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    Carll, Charles G. 2009. Decay hazard (Scheffer) index values calculated from 1971-2000 climate normal data. General Technical Report FPL-GTR-179. Madison, WI: U.S. Department of Agriculture, Forest Service, Forest Products Laboratory. 17 pages


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    Wood, deterioration, climatology, wood deterioration, climate index, wood decay, decay hazard, Scheffer index, climate normal data, above-ground decay

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