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Sum of degree days when TX >= 32 Celsius on the interval June-August. The 32 celsius limit is the critical biological threshold for the maximum air temperature from which the physiological optimal growth and development of wheat and maize plants.
stx32(data, data_names = NULL, na.rm = FALSE, ...)
maximum temperature
names of each period of time
logical. Should missing values (including NaN) be removed?
...
temperature sums 1
# NOT RUN { data(data_all) stx32(data = data_all$tx) # }
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