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                        <gco:CharacterString>Chill Hours Daily Accumulation Maps</gco:CharacterString>
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                <gco:CharacterString>A statewide grid surface (80m spatial resolution) delineating Chill Hours (CHR) accumulation across the state of Tasmania is produced daily for the Tasmanian winter season. Chill Hours is calculated as the number of hours where air temperature is between 0-7C for the period: 1 May to 31 August. The outputs are dynamic with the map products updated daily. Three map products are produced: 
1) Chill Hours Accumulation Tracker - Current Season: CHR accumulation to date (refer to link below) for the current growing season (updated daily) 
2) Chill Hours Accumulation Tracker - 10yr Average: CHR accumulation to date (refer to link below) based on the 10 year average (i.e. averaged CHR units garnered from data 10 years prior to the current growing season; updated daily) 
3) Chill Hours Anomaly - Current Season vs 10yr Average: The difference between 1) and 2) where positive values indicate that the current growing season is cooler relative to the 10 year average, negative values indicate a warmer season. 
Map outputs are based on daily records produced from 43 Bureau of Meteorology (BoM) Automatic Weather Station sites with further bias correction provided by 267 independent air temperature logger recording sites (courtesy of the Tasmanian Government Department of Natural Resources and Environment (NRE)). For operational real-time application, the mapping was fully automated in the R programming language and hosted on a cloud-based computing platform courtesy of the high performance computing cluster provided by the Tasmanian Partnership of Advanced Computing (TPAC) of the University of Tasmania. Refer to the following link for details of the latest map updates: https://sdi.tas-hires-weather.cloud.edu.au/shiny/</gco:CharacterString>
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