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Table 1 Summary of some average daily climatic parameters per month for Yaoundé between the years 1967 – 1982

From: A comparative analysis of reference evapotranspiration from the surface of rainfed grass in Yaounde, calculated by six empirical methods against the penman-monteith formula

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Av. T-Max (°C) 28.8 30.4 29.8 28.8 28.6 27.2 26.0 26.0 27.2 27.6 28.4 28.4
Av. T-Min (°C) 19.3 20.0 20.0 18.5 19.5 19.2 19.0 19.0 19.0 18.9 19.2 19.0
Av. Temp (°C) 24.1 25.2 24.9 23.7 24.1 23.2 22.5 22.5 23.1 23.3 23.8 23.7
Av. Precip (mm) 31.3 58.7 144.3 150.8 199.7 136.9 53.1 83.0 253.9 290.5 98.0 19.0
Av. WVP (mbar) 22.7 22.7 23.4 24.4 24.3 22.6 22.6 22.7 23.1 23.4 23.3 22.6
Av. RH (%) 76.2 73.7 77.7 76.4 81.5 82.9 79.8 83.3 82.2 81.6 79.2 77.5
Av. WS (m/s) 2.3 2.4 2.0 1.5 1.0 2.0 2.4 2.4 2.2 0.8 0.7 1.1
Av. Insol. (hrs) 6.1 6.3 5.4 5.4 5.4 4.3 3.1 2.6 3.5 4.4 5.9 6.3
  1. Av. T-Max Average maximum temperature, Av. T-Min average minimum temperature, Av. Temp average temperature, Av. Precip Average precipitation, Av. WVP average water vapour pressure, Av. RH Average relative humidity, Av. WS average wind speed, Av. Insol average insolation