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Table 1 Growing season rainfall descriptive for lower eastern Kenya. The data is for six weather stations. The rain seasons have been disaggregated into two: March-June and October-January. The wettest and driest seasonal rain is shown. CV and standard deviations have been used to demonstrate rainfall variation in the study area

From: Effects of climate variability on maize yield in the arid and semi arid lands of lower eastern Kenya

Station

Wettest season average (mm)

Driest season average (mm)

Average seasonal rainfall (mm)

SD (mm) and CV (%) in brackets

 

MAMJ

ONDJ

MAMJ

ONDJ

MAMJ

ONDJ

MAMJ

ONDJ

Machakos

538.8 (1990)

821.6 (1997)

55.4 (1984)

149.1 (1998)

273.8

371.0

112.9 (41.2)

190.6 (51.3)

Makindu

472.2 (1981)

1010.6 (1997)

198.0 (1993)

363.8 (2003)

180.6

594.6

91.4 (33.4)

218.1 (58.8)

Mutomo

563.0 (1990)

1182 (1992)

16.0 (1993)

226 (1983)

229.3

601.6

155.8 (56.9)

335.3 (90.4)

Kibwezi

584.9 (1991)

1024.0 (1988)

47.2 (1984)

291.6 (1981)

245.7

461.0

121.4 (44.3)

184.3 (49.7)

Kitui

360.5 (1989)

1029.5 (1997)

59.0 (2000)

166.0 (1998)

194.5

452.8

165.3 (60.4)

227.9 (61.4)

Mwingi

405.0 (1990)

821.8 (2007)

65.0 (1983)

140.3 (1983)

245.7

402.0

97.1 (35.4)

181.0 (48.8)