Table 6 Equations of ANOVA regression for the observed sites

S1-Njiloum1 (1948–2018)

0.03004 ∗ 18119.1 ∗ 607^{2.012 ∗ (−0.488)}

1.0073

S2-Njiloum2 (1948–2018)

0.03004 ∗ 33858 ∗ 607^{2.012 ∗ (−0.2612)}

35.0509529712193

S3-Njitout (1948–2018)

0.03004 ∗ 158816.73 ∗ 607^{2.012 ∗ (−0.394)}

29.6676110831837

S4-Koutaba (1948–2018)

0.0305 ∗ 1812 ∗ 610^{1.694 ∗ (−0.493)}

0.260802712270763

S5-Bafoussam (1948–2018)

0.0233 ∗ 13589.52 ∗ 613^{1.76 ∗ (−0.3463)}

6.33339140678556

Mean 1948–2018

14.4640116346919

S1-Njiloum1 (2019)

18255.1 ∗ 55603585 ∗ 614^{1.1724 ∗ (−0.886)}

1,878,436,394.94023

S2-Njiloum2 (2019)

18255.1 ∗ 58869398061659300 ∗ 614^{1.1724 ∗ (−1.473)}

16,453,557,989,053,200

S3-Njitout (2019)

18255.04 ∗ 309547810768.523 ∗ 614^{1.1724 ∗ (−1.13)}

1,143,698,653,144.39

S4- Koutaba (2019)

18255.04 ∗ 55603585 ∗ 616^{1.63 ∗ (−0.903)}

79,529,751.9255277

S5-Bafoussam (2019)

13691.28 ∗ 41702688.98 ∗ 618^{1.94 ∗ (−0.646)}

181,480,394.584158

Mean 2019

3,290,940,765,430,580