| 12-6 Monthly Sunshine Hours by Region(2010) | ||||||
| (hours) | ||||||
| City | Jan. | Feb. | Mar. | Apr. | May | June |
| Jinan | 156.4 | 89.8 | 135.2 | 200.1 | 239.9 | 179.1 |
| Qingdao | 153.0 | 103.4 | 147.2 | 192.0 | 219.3 | 206.0 |
| Zibo | 156.0 | 88.6 | 158.9 | 212.6 | 248.3 | 186.7 |
| Zaozhuang | 140.3 | 88.5 | 133.7 | 194.0 | 189.6 | 169.5 |
| Dongying | 192.7 | 145.1 | 223.3 | 251.0 | 260.6 | 208.9 |
| Yantai | 144.6 | 141.7 | 187.8 | 220.6 | 250.4 | 245.3 |
| Weifang | 168.0 | 115.1 | 197.1 | 219.3 | 264.3 | 232.6 |
| Jining | 194.1 | 114.0 | 185.5 | 244.5 | 275.7 | 247.7 |
| Tai'an | 181.4 | 111.7 | 175.6 | 228.0 | 263.7 | 223.6 |
| Weihai | 130.9 | 131.2 | 175.7 | 200.9 | 251.4 | 242.7 |
| Rizhao | 175.2 | 107.4 | 146.8 | 207.8 | 237.5 | 203.9 |
| Laiwu | 185.0 | 113.1 | 165.0 | 219.6 | 244.2 | 199.3 |
| Linyi | 184.6 | 109.5 | 154.5 | 206.7 | 227.3 | 218.7 |
| Dezhou | 171.2 | 137.0 | 177.9 | 238.5 | 265.3 | 228.4 |
| Liaocheng | 155.2 | 90.6 | 136.9 | 191.4 | 241.0 | 204.4 |
| Binzhou | 176.2 | 132.5 | 181.9 | 209.5 | 268.6 | 224.8 |
| Heze | 172.2 | 113.4 | 171.3 | 221.1 | 255.1 | 245.8 |