![]() Gray horizontal lines in the background indicate the data availability at each station. Temporal structure of the dataset: time series of the number of maximum temperature series available at each month. ![]() ![]() UTM coordinates (m) reference system: WGS84/UTM zone 30N (EPSG:32630). Spatial structure of the dataset: geographic distribution of the maximum temperature observatories, with indication of eleven serially complete time series. Method overview: red, candidate series to reconstruct (observed data) blue, neighbor series (observed data) gray, candidate and neighbor series (missing data) dotted, bias-corrected series purple, final reference series. A restriction can be set to reduce the number of stations participating in the calculation, such as (c) a maximum distance The width of the segments represents the weights assigned to each station, which may be dependent on (a) the geographical distance (closest stations get a higher weight), or other criteria, such as (b) correlation distance (highly correlated stations get a higher weight). The station for which new data are being calculated is represented as a red dot, while neighboring stations are represented as black dots (stations with data) or gray dots (stations that do not have data for that time and therefore do not participate in the calculation).
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