Table 11.
Models for estimating monthly and yearly maximum incident solar radiation employing global radiation index and global solar radiation and comparison with NASA numerical values in Lagos.
| Present Study |
NASA |
|||
|---|---|---|---|---|
| Month | Model # | Model | Model # | Model |
| JAN | 26a | HT = 1.3055(H) | 26b | HT = 1.1241(H) |
| FEB | 27a | HT = 1.4565(H) | 27b | HT = 1.0507(H) |
| MAR | 28a | HT = 1.6048(H) | 28b | HT = 1.0077(H) |
| APR | 29a | HT = 1.5573(H) | 29b | HT = 1.0027(H) |
| MAY | 30a | HT = H | 30b | HT = 1.0219(H) |
| JUN | 31a | HT = 1.0302(H) | 31b | HT = 1.0293(H) |
| JUL | 32a | HT = 1.0132(H) | 32b | HT = 1.0222(H) |
| AUG | 33a | HT = 1.0014(H) | 33b | HT = 1.0056(H) |
| SEP | 34a | HT = H | 34b | HT = 1.0068(H) |
| OCT | 35a | HT = 1.0877(H) | 35b | HT = 1.0247(H) |
| NOV | 36a | HT = 1.0972(H) | 36b | HT = 1.0937(H) |
| DEC | 37a | HT = 1.0621(H) | 37b | HT = 1.1505(H) |
| ANNUAL | 38a | HT = 1.0515(H) | 38b | HT = 1.0445(H) |