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=Additional Information for NOAA reports = | =Additional Information for NOAA reports = | ||
Steve Loft (do searches for "NOAA" and for " | Steve Loft (do searches for "NOAA" and for "Degree Days" in the Cumulus 1 sub-forum for more details on key points shown below): | ||
Be aware that a regenerated report for a past period might not be quite as accurate as the report that Cumulus can generate as part of end of day processing. The original report will use figures processed during the preceding day, while a regenerated report has to recalculate them (unless accurate figures are in dayfile.txt). Such differences may be seen for average temperature, average wind speed, dominant direction, and the heating and cooling degree days, because Cumulus has to calculate those as it goes along, it can't do it retrospectively. | Be aware that a regenerated report for a past period might not be quite as accurate as the report that Cumulus can generate as part of end of day processing. The original report will use figures processed during the preceding day, while a regenerated report has to recalculate them (unless accurate figures are in dayfile.txt). Such differences may be seen for average temperature, average wind speed, dominant direction, and the heating and cooling degree days, because Cumulus has to calculate those as it goes along, it can't do it retrospectively. | ||