Temporal Description of Annual Temperature and Rainfall in the Bawku Area of Ghana

Table 6

Mann–Kendall trend test for annual temperature.

Meteorological station	No. of years	MK stat. (S)	K. tau	Min	Max	M	SD	value	CI [L–U]	Sen’s slope
Binduri
Mean	40	41.0	0.054	25.6	29.3	28.5	0.7	0.640	0.000–0.006	0.001
Max T	40	195.0	0.264	34.5	36.0	35.3	0.4	0.022	0.010–0.014	0.012
Min T	40	−29.0	−0.038	16.3	22.8	21.7	1.3	0.743	−0.007–0.000	0.000
Garu-Tempane
Mean	40	384.0	0.503	27.6	32.9	28.9	0.9	0.0001	0.028–0.050	0.033
Max T	40	484.0	0.634	32.8	36.1	34.9	0.8	0.0001	0.048–0.053	0.050
Min T	40	269.0	0.352	19.6	30.2	22.8	1.4	0.002	0.026–0.033	0.030
Manga
Mean	40	403.0	0.529	23.9	30.0	28.7	0.9	0.0001	0.038–0.044	0.041
Max T	40	329.0	0.432	34.6	36.9	35.6	0.6	≤0.001	0.030–0.037	0.033
Min T	40	352.0	0.458	12.9	23.2	21.9	1.7	0.0001	0.042–0.050	0.046

Sig. at 0.05. Reject H₀ at ≤0.05 level or accept H₁ at ≥0.05.