Drought Trends in the Iberian Peninsula over the Last 112 Years

Table 1

Significance (significance level of 0.05), slope (mm/year), and intercept of trends in accumulated precipitation and ET₀. The slope values shown were multiplied by 10⁻³. NS, nonsignificant; +, significant and positive; −, significant and negative.

Period	Precipitation			ET0
	Trend		Intercept	Trend		Intercept
1901–2012	NS	18.5	609.4	+	56.5	1064.4
1901–1937	NS	10.1	615.4	+	45.7	1069.5
1938–1974	+	160.6	607.6	−	22.8	1106.5
1975–2012	NS	4.5	609.4	+	163.8	1091.8

×10⁻³.