Open Access

Table 2

Monthly and annual mean values of weather data for Luqa, Malta (data source: Ref. [8]).

Month Air temperature (°C) Solar irradiation horizontal (kWh/m2) Relative humidity (−) Wind speed (m/s)
Jan 12.4 77 0.77 4.0
Feb 11.9 95 0.75 4.4
Mar 13.7 140 0.76 4.5
Apr 15.8 178 0.74 4.7
May 19.6 218 0.69 4.0
Jun 23.7 222 0.61 3.3
Jul 26.5 232 0.60 3.2
Aug 26.5 202 0.64 3.2
Sep 23.9 157 0.71 3.4
Oct 21.1 124 0.76 3.1
Nov 17.5 87 0.74 3.8
Dec 14.3 72 0.75 4.4
Year 18.9 1801 0.71 3.8

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