Table 5.
Monthly averaged Monthly global irradiation (kWh/m2/mo) for South-South Nigeria (2005–2016).
| Month | Asaba |
Calabar |
Benin City |
Port Harcourt |
Uyo |
Yenagoa |
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hopt | Hh | Hopt | Hh | Hopt | Hh | Hopt | Hh | Hopt | Hh | Hopt | Hh | |
| Jan | 199.70 | 186.40 | 196.36 | 184.14 | 195.16 | 181.88 | 190.67 | 179.21 | 193.07 | 181.53 | 193.04 | 180.84 |
| Feb | 171.80 | 165.34 | 168.21 | 162.39 | 169.55 | 162.94 | 162.03 | 156.67 | 164.37 | 158.93 | 163.32 | 157.61 |
| Mar | 176.88 | 175.80 | 162.70 | 162.07 | 173.07 | 171.93 | 157.61 | 157.01 | 161.22 | 160.60 | 162.76 | 162.11 |
| Apr | 168.75 | 172.73 | 150.18 | 153.84 | 163.91 | 167.82 | 150.16 | 153.90 | 153.88 | 157.50 | 149.59 | 153.44 |
| May | 155.98 | 163.88 | 143.38 | 150.53 | 153.16 | 160.99 | 136.63 | 143.24 | 141.63 | 148.27 | 134.41 | 141.15 |
| Jun | 138.25 | 146.36 | 115.93 | 122.09 | 132.08 | 139.83 | 106.83 | 112.28 | 116.40 | 122.48 | 111.32 | 117.40 |
| Jul | 127.39 | 133.40 | 102.07 | 106.37 | 119.87 | 125.47 | 104.52 | 108.85 | 107.34 | 111.85 | 107.86 | 112.65 |
| Aug | 130.47 | 134.11 | 106.51 | 109.26 | 123.43 | 126.97 | 113.64 | 116.66 | 114.90 | 117.91 | 117.76 | 121.18 |
| Sep | 138.15 | 138.81 | 118.46 | 119.19 | 130.73 | 131.36 | 116.23 | 116.97 | 120.44 | 121.13 | 116.63 | 117.42 |
| Oct | 162.04 | 157.95 | 143.14 | 140.38 | 158.32 | 154.29 | 137.64 | 135.01 | 143.42 | 140.59 | 139.76 | 136.88 |
| Nov | 179.44 | 169.26 | 153.45 | 146.35 | 172.05 | 162.42 | 149.89 | 142.90 | 157.87 | 150.44 | 158.91 | 150.72 |
| Dec | 194.24 | 179.88 | 184.80 | 172.32 | 187.41 | 173.37 | 182.31 | 170.32 | 184.54 | 172.36 | 186.29 | 173.19 |
| Average | 161.92 | 160.33 | 145.43 | 144.08 | 156.56 | 154.94 | 142.35 | 141.08 | 146.59 | 145.30 | 145.14 | 143.72 |