| 1-18 主要城市日照时数（2004年） | |||||||||||||
| 单位：小时 | |||||||||||||
| 城 市 | 1月 | 2月 | 3月 | 4月 | 5月 | 6月 | 7月 | 8月 | 9月 | 10月 | 11月 | 12月 | 全年 |
| 北 京 | 194.7 | 213.5 | 243.6 | 248.2 | 253.3 | 202.0 | 203.2 | 187.4 | 198.9 | 225.2 | 201.4 | 144.0 | 2515.4 |
| 天 津 | 161.7 | 185.2 | 166.8 | 214.3 | 221.0 | 182.5 | 179.5 | 149.8 | 178.7 | 194.7 | 172.8 | 119.1 | 2126.1 |
| 石 家 庄 | 193.8 | 219.2 | 220.9 | 240.9 | 277.9 | 213.4 | 185.4 | 152.1 | 203.4 | 220.7 | 197.5 | 97.9 | 2423.1 |
| 太 原 | 138.9 | 221.4 | 203.0 | 266.7 | 262.5 | 195.8 | 214.7 | 165.1 | 200.4 | 220.7 | 207.4 | 123.2 | 2419.8 |
| 呼和浩特 | 187.5 | 207.8 | 237.6 | 284.9 | 302.2 | 234.5 | 291.0 | 227.4 | 240.3 | 223.3 | 185.9 | 135.6 | 2758.0 |
| 沈 阳 | 165.4 | 180.7 | 231.7 | 245.3 | 219.3 | 230.3 | 133.0 | 198.3 | 211.1 | 229.9 | 132.2 | 114.5 | 2291.7 |
| 大 连 | 163.5 | 195.3 | 223.1 | 276.9 | 243.4 | 190.0 | 228.5 | 174.0 | 202.7 | 228.4 | 172.9 | 167.0 | 2465.7 |
| 长 春 | 194.1 | 165.0 | 246.7 | 266.8 | 246.2 | 265.5 | 183.5 | 282.7 | 232.7 | 236.2 | 138.7 | 144.5 | 2602.6 |
| 哈 尔 滨 | 119.7 | 120.8 | 240.6 | 219.4 | 225.6 | 296.4 | 227.2 | 267.7 | 221.1 | 201.5 | 128.7 | 94.7 | 2363.4 |
| 上 海 | 113.1 | 144.0 | 139.3 | 182.8 | 178.7 | 152.0 | 258.6 | 222.8 | 134.6 | 188.9 | 147.5 | 102.7 | 1965.0 |
| 南 京 | 120.6 | 157.7 | 164.8 | 195.6 | 176.9 | 186.1 | 229.3 | 218.8 | 180.3 | 218.4 | 181.1 | 111.7 | 2141.3 |
| 杭 州 | 88.9 | 147.8 | 116.5 | 176.3 | 180.9 | 121.7 | 286.4 | 201.1 | 120.1 | 200.3 | 145.2 | 89.7 | 1874.9 |
| 合 肥 | 116.2 | 186.0 | 172.1 | 205.4 | 158.3 | 183.4 | 232.1 | 175.5 | 179.6 | 167.9 | 157.0 | 94.2 | 2027.7 |
| 福 州 | 85.4 | 156.4 | 91.7 | 142.9 | 163.2 | 192.3 | 266.0 | 216.4 | 148.9 | 242.5 | 137.6 | 125.5 | 1968.8 |
| 南 昌 | 83.5 | 146.5 | 121.7 | 193.6 | 194.5 | 143.6 | 289.6 | 231.4 | 187.9 | 245.8 | 157.0 | 153.9 | 2149.0 |
| 济 南 | 183.6 | 227.9 | 196.0 | 219.7 | 246.3 | 164.4 | 151.2 | 126.7 | 176.4 | 192.6 | 184.0 | 110.9 | 2179.7 |
| 青 岛 | 176.8 | 214.3 | 223.9 | 230.0 | 211.7 | 155.1 | 158.4 | 137.5 | 214.4 | 216.0 | 165.9 | 118.9 | 2222.9 |
| 郑 州 | 116.6 | 168.0 | 155.1 | 191.6 | 237.5 | 167.0 | 123.0 | 100.5 | 152.0 | 133.6 | 144.4 | 74.9 | 1764.2 |
| 武 汉 | 90.1 | 172.6 | 144.3 | 187.7 | 165.6 | 149.4 | 221.1 | 157.0 | 184.0 | 172.3 | 157.7 | 116.2 | 1918.0 |
| 长 沙 | 44.3 | 89.6 | 105.4 | 160.2 | 165.0 | 129.2 | 237.5 | 150.8 | 159.7 | 163.3 | 105.7 | 115.5 | 1626.2 |
| 广 州 | 121.7 | 104.4 | 55.3 | 83.4 | 125.0 | 176.5 | 155.8 | 167.1 | 185.0 | 246.5 | 165.1 | 181.6 | 1767.4 |
| 南 宁 | 48.4 | 79.8 | 53.3 | 123.4 | 136.5 | 197.0 | 133.3 | 191.3 | 187.8 | 192.3 | 120.2 | 153.3 | 1616.6 |
| 海 口 | 63.5 | 108.5 | 88.1 | 164.6 | 220.1 | 256.2 | 217.1 | 243.8 | 193.8 | 210.5 | 157.6 | 145.5 | 2069.3 |
| 桂 林 | 37.2 | 101.3 | 66.8 | 114.1 | 124.8 | 160.4 | 147.7 | 202.1 | 210.5 | 189.8 | 132.4 | 140.3 | 1627.4 |
| 重 庆 | 9.0 | 45.0 | 49.2 | 150.5 | 99.6 | 99.1 | 190.9 | 175.4 | 80.2 | 33.0 | 38.5 | 4.3 | 974.7 |
| 温 江 | 34.0 | 74.0 | 70.0 | 145.0 | 118.0 | 85.0 | 139.0 | 111.0 | 71.0 | 43.0 | 52.0 | 42.0 | 984.0 |
| 贵 阳 | 11.9 | 64.3 | 53.1 | 118.9 | 93.1 | 71.0 | 126.8 | 130.0 | 103.6 | 57.6 | 53.9 | 104.8 | 989.0 |
| 昆 明 | 230.1 | 215.3 | 234.2 | 207.1 | 196.8 | 122.6 | 151.1 | 151.3 | 127.1 | 146.7 | 148.7 | 173.1 | 2104.1 |
| 拉 萨 | 245.5 | 249.8 | 271.2 | 214.9 | 288.8 | 252.2 | 172.9 | 224.1 | 258.3 | 256.0 | 252.6 | 254.0 | 2940.3 |
| 西 安 | 111.8 | 156.8 | 122.3 | 223.1 | 250.9 | 215.0 | 177.7 | 141.3 | 142.7 | 143.8 | 131.1 | 96.6 | 1913.1 |
| 兰 州 | 183.0 | 208.0 | 214.0 | 255.0 | 263.0 | 252.0 | 265.0 | 226.0 | 175.0 | 195.0 | 173.0 | 156.0 | 2565.0 |
| 西 宁 | 180.1 | 178.7 | 184.6 | 257.8 | 206.1 | 229.5 | 236.3 | 194.5 | 144.0 | 179.4 | 212.7 | 186.1 | 2389.8 |
| 银 川 | 164.3 | 226.5 | 224.5 | 271.1 | 278.9 | 278.9 | 285.9 | 231.8 | 229.9 | 232.1 | 188.0 | 139.7 | 2751.6 |
| 乌鲁木齐 | 89.1 | 145.4 | 153.2 | 258.5 | 284.0 | 309.7 | 320.8 | 292.8 | 266.1 | 223.7 | 95.0 | 57.3 | 2495.6 |