Table 2 Average monthly value of physicochemical parameters and its correlation with Anopheles mosquitoes abundance in the study areas

October

274.60 ± 40.88b

6.88 ± 0.05a

19.80 ± 1.39de

27.22 ± 0.31def

7.92 ± 0.05ab

November

443.80 ± 42.79d

6.68 ± 0.07a

23.40 ± 2.06e

26.56 ± 0.25bcd

8.01 ± 0.06bc

December

378.40 ± 32.96 cd

6.74 ± 0.11a

12.40 ± 1.02a

28.14 ± 0.39f

7.76 ± 0.07a

January

290.60 ± 20.18b

6.55 ± 0.04a

16.60 ± 1.03bcd

26.20 ± 1.05bcd

8.03 ± 0.03bcd

February

366.40 ± 47.19c

7.07 ± 0.19a

15.20 ± 0.66abc

27.52 ± 0.36ef

7.84 ± 0.05ab

March

278.00 ± 12.89b

6.49 ± 0.25a

13.40 ± 1.03abc

27.00 ± 0.41def

7.95 ± 0.08ab

April

199.80 ± 6.64a

7.11 ± 0.23ab

20.40 ± 1.33de

24.76 ± 0.47a

8.28 ± 0.09e

May

183.80 ± 5.09a

6.95 ± 0.14a

22.20 ± 1.74e

24.60 ± 0.41a

8.31 ± 0.08e

June

146.00 ± 2.76a

6.96 ± 0.29a

13.00 ± 1.14ab

24.98 ± 0.46ab

8.27 ± 0.08e

July

152.20 ± 7.01a

7.05 ± 0.22ab

17.40 ± 1.03 cd

25.00 ± 0.52ab

8.24 ± 0.09e

August

147.00 ± 5.52a

7.13 ± 0.37ab

12.00 ± 0.89a

25.08 ± 0.48ab

8.24 ± 0.08de

September

145.60 ± 3.44a

7.59 ± 0.28b

13.40 ± 1.29abc

25.38 ± 0.55abc

8.19 ± 0.10de

Correlation

(r value)

 An. gambiae s. l

0.840**

 − 0.530

0.219

0.737**

 − 0.734**

 Sig

0.001

0.076

0.494

0.006

0.007

 An. funestus

0.843**

 − 0.470

0.141

0.759**

 − 0.789**

 Sig

0.001

0.123

0.661

0.004

0.003