Add aggregation of maximum and minimum climdex variables #81
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nikola-rados
approved these changes
Aug 23, 2019
| # cdo command, then calculate climatologies - disallowing further | ||
| # aggregation - from them. | ||
| aggregations = generate_counted_aggregates(temporal_subset, input_file) | ||
| # For these variables, the value of a year is *not* the mean of the |
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Great documentation as always!
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Previously (#61), the
generate_climosscript was updated to correctly handle variables that count the number of times something happens in a specific time period, likefdETCCDI(frost days), which counts the number of days where the temperature goes below zero. The number of frost days in a year is the sum of the number of frost days in each month of that year. In order to calculate the average number of frost days per year over a 30-year period, we:This PR expands that framework to also handle variables that measure the minimum or maximum of something, like
tnnETCCDI, which measure the lowest temperature recorded each month. The yearly value fortnnETCCDIshould be the lowest temperature recorded for that year.rx1dayETCCDImeasures the maximum amount of precipitation that falls in a single day in each month; the value ofrx1dayETCCDIfor a year should the be maximum precipitation that falls in one day of that year.