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 |