Diurnal temperature range
Mean difference between TX and TN.
dtr(tmax, tmin, data_names = NULL, time.scale = YEAR, na.rm = FALSE)
tmax |
daily maximum temperature, Celsius |
tmin |
daily minimum temperature, Celsius |
data_names |
names of each period of time |
time.scale |
month, season or year |
na.rm |
logical. Should missing values (including NaN) be removed? |
temperature, Celsius
DTR_j = \frac{ ∑_{ i = 1 } ^ { I } ( TX_{ ij } - TN_{ ij })} {I}
Klein Tank AMG, Zwiers FW, Zhang X. 2009. Guidelines on analysis of extremes in a changing climate in support of informed decisions for adaptation, climate data and monitoring WCDMP-No 72, WMO-TD No 1500, p 5. https://www.ecad.eu/documents/WCDMP_72_TD_1500_en_1.pdf
data(data_all) dtr(tmax=data_all$tx, tmin=data_all$tn)
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