However, due to the lack of data with increasing depth the data must be composited using five - year running pentads in order to have enough data for a meaningful analysis in the deep ocean. (ipcc.ch)
However, due to the lack of data with increasing depth the data must be composited using five - year running pentads in order to have enough data for a meaningful analysis in the deep ocean. (ipcc.ch)
Furthermore, in a subseasonal forecast, some kind of time average (e.g. weekly or pentad mean) is usually used, which removes part of the weather noise. (judithcurry.com)