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Partial Spearman correlation coefficients (p < 0.05) between meteorological factors and heat stroke search index (HSSI). (a) Maximum temperature (b) Relative humidity (RH) (c) Evaporation (d) Sunshine duration (e) Wind speed. Points in red are positive and in blue are negative. All points shown on the Figure have passed the significance test. The table in the Figure shows the number of cities in different ranges of correlation coefficients.
