Skip to main content

Advertisement

Table 4 Allen model for the six cities

From: Evaluation of global solar radiation from meteorological data in the Sahelian zone of Chad

Cities TM Tmin (°C) H 0 (kWh/m2) H/H 0 H (kWh/m2) Err (%)
Abeche 37.42 22.28 8.722 0.66 5.747 −5.482
N’Djamena 36.38 22.02 8.936 0.64 5.724 0.078
Ati 36.22 21.41 8.802 0.651 5.726 −5.825
Bokoro 36.73 21.13 8.905 0.666 5.932 1.181
Mongo 36.45 26.15 8.930 0.543 4.849 −17.506
Moussoro 35.56 22.13 8.748 0.621 5.429 −7.523