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tools:actools:cmaq_reduced [2017/02/10 14:28] ctena [8h_max] |
tools:actools:cmaq_reduced [2017/02/14 15:41] ctena [8h_max] |
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This result is the maximum daily 8 hour mean. | This result is the maximum daily 8 hour mean. | ||
+ | DIRECTIVE 2008/50/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL | ||
+ | |||
+ | Maximum daily eight-hour mean: the maximum daily eight-hour mean concentration shall be selected by examining eight-hour running averages, calculated from hourly data and updated each hour. Each eight -hour average so calculated shall be assigned to the day on which it ends. i.e. the first calculation period for any one day will be the period from 17:00 on the previous day to 01:00 on that day; the last calculation | ||
==== day_mean ==== | ==== day_mean ==== | ||
+ | The mean of each day | ||
==== day_max ==== | ==== day_max ==== | ||
+ | The maximum value of each day |