Growth and Productivity Assessment of Short-Duration Rice (Oryza sativa L. and Upland NERICA) Genotypes in Semiarid North-Central Namibia

Table 3

Weather conditions during the 2017 and 2018 experimental years.

Month	Tem. (°C)		SR (MJ·m^−2)		RH (%)		Rainfall (mm)		Rain days
	2017	2018	2017	2018	2017	2018	2017	2018	2017	2018
Mean	23.8 ± 0.7	24.1 ± 0.9	20.7 ± 0.6	21.7 ± 1.3	55.1 ± 4.6	55.3 ± 4.6
Jan.	25.7 ± 0.5	26.2 ± 0.3	23.1 ± 1.4	24.3 ± 0.7	46.6 ± 4.6	50.5 ± 2.5	44.6 ± 5.2	0.8 ± 0.1	8	3
Feb.	24.5 ± 0.5	26.0 ± 0.2	19.8 ± 1.3	25.2 ± 0.8	60.0 ± 3.6	48.4 ± 3.0	76.6 ± 1.5	16.4 ± 0.2	7	12
Mar.	23.9 ± 0.2	23.9 ± 0.3	20.2 ± 0.9	20.5 ± 1.0	68.1 ± 1.8	66.3 ± 2.8	118.2 ± 1.9	63.6 ± 1.0	22	14
Apr.	22.7 ± 0.3	22.9 ± 0.2	20.7 ± 0.7	18.3 ± 0.7	58.3 ± 1.7	66.6 ± 2.3	23.0 ± 0.3	106.9 ± 1.7	10	11
May	22.0 ± 0.4	21.3 ± 0.1	19.9 ± 0.5	20.2 ± 0.4	42.6 ± 1.6	44.8 ± 1.4	0.0 ± 0.0	0.0 ± 0.0	0	0
Total							262.4 ± 20.7	187.7 ± 20.9	47.0 ± 3.6	40.0 ± 2.7

Temp., air temperature; SR, solar radiation; RH, relative humidity.