logical. Should missing values (including NaN) be removed?
Value
Diurnal temperature range
Formula
$$DTR_j = \frac{ \sum_{ i = 1 } ^ { I } ( TX_{ ij } - TN_{ ij })} {I}$$
References
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