1. 1983. On the monthly mean lower tropospheric circulation and the anomalous circulation during 1961/62 floods in East Africa. M.Sc. thesis, University of Nairobi.
2. and 1979. Diurnal Variations of Precipitation in East Africa, Kenya Meteorological Department, Research Report 8/79, 58 pp.
3. Spatial patterns of daily rainfall in central Kenya: Application of principal component analysis, common factor analysis and spatial correlation
4. 1991. Raingauge network designs for Uganda. Ph.D. thesis, University of Nairobi.