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- parameters labelled as analyses or instantaneous forecasts are created from data with a valid time in the month, between 00 and 23 UTC on each day of the month.
- accumulations are created from data with a forecast period falling within the month. Monthly means of daily means for accumulations are created from the last forecast step (24) on of the forecasts for each day of the month.
The accumulations in monthly means of daily means (stream=moda) have units that include "per day". So for accumulations in this stream:
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