観測開始からの毎月の値
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つくば（館野）（茨城県) 日照時間の月合計値（h）
| 年 | 1月 | 2月 | 3月 | 4月 | 5月 | 6月 | 7月 | 8月 | 9月 | 10月 | 11月 | 12月 | 年の値 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 179.4 | 198.7 | 204.5 | 162.1 | 171.0 | 94.2 | 166.2 | 184.9 | 92.6 | 122.5 | 218.8 | 177.5 | 1972.4 | |
| 193.1 | 153.0 | 234.8 | 203.0 | 174.7 | 208.0 | 160.9 | 235.6 | 150.4 | 182.9 | 165.0 | 228.7 | 2290.1 | |
| 195.7 | 127.1 | 205.2 | 161.4 | 143.6 | 130.1 | 139.0 | 245.4 | 168.5 | 158.7 | 155.1 | 170.6 | 2000.4 | |
| 220.7 | 185.8 | 239.1 | 156.2 | 216.8 | 137.4 | 241.0 | 212.8 | 139.1 | 142.3 | 190.0 | 175.9 | 2257.1 | |
| 196.6 | 173.3 | 231.5 | 176.0 | 196.0 | 165.5 | 170.5 | 199.5 | 150.0 | 138.3 | 174.6 | 207.2 | 2179.0 | |
| 203.9 | 173.8 | 208.6 | 224.9 | 174.5 | 202.2 | 199.1 | 204.0 | 158.5 | 180.6 | 222.4 | 180.6 | 2333.1 | |
| 206.2 | 174.6 | 191.1 | 206.2 | 220.9 | 204.9 | 176.2 | 227.9 | 127.3 | 157.1 | 178.9 | 180.3 | 2251.6 | |
| 181.1 | 219.4 | 211.8 | 213.5 | 186.6 | 98.5 | 117.2 | 123.1 | 186.3 | 131.9 | 148.9 | 169.7 | 1988.0 | |
| 228.8 | 230.8 | 211.5 | 196.8 | 140.8 | 177.5 | 206.2 | 231.0 | 128.5 | 124.2 | 119.3 | 130.1 | 2125.5 | |
| 203.8 | 143.2 | 150.7 | 174.2 | 211.6 | 174.8 | 167.1 | 234.0 | 201.5 | 176.5 | 182.5 | 172.1 | 2192.0 | |
| 170.4 | 121.9 | 231.9 | 218.4 | 265.5 | 189.1 | 119.4 | 251.1 | 142.8 | 163.9 | 149.6 | 171.6 | 2195.6 | |
| 216.8 | 213.2 | 231.3 | 214.2 | 267.8 | 130.6 | 161.2 | 207.6 | 117.1 | 153.0 | 148.8 | 177.5 | 2239.1 | |
| 185.6 | 187.4 | 151.4 | 134.6 | 211.1 | 201.9 | 199.2 | 246.1 | 220.4 | 176.8 | 178.8 | 216.6 | 2309.9 | |
| 242.1 | 236.3 | 222.4 | 192.2 | 250.1 | 217.5 | 118.4 | 189.4 | 107.7 | 129.2 | 172.9 | 162.4 | 2240.6 | |
| 213.3 | 171.1 | 203.3 | 223.6 | 227.3 | 225.9 | 204.2 | 167.5 | 93.3 | 200.3 | 170.9 | 181.3 | 2282.0 | |
| 227.5 | 194.7 | 228.8 | 173.3 | 191.8 | 211.0 | 239.9 | 226.6 | 184.2 | 139.5 | 140.1 | 150.1 | 2307.5 | |
| 160.7 | 152.0 | 187.0 | 196.0 | 208.5 | 191.5 | 211.9 | 269.3 | 175.2 | 144.4 | 149.0 | 241.1 | 2286.6 | |
| 218.3 | 221.4 | 148.2 | 238.1 | 205.8 | 139.5 | 179.7 | 206.4 | 174.8 | 148.7 | 189.8 | 191.8 | 2262.5 | |
| 222.4 | 205.1 | 234.9 | 201.0 | 210.6 | 175.3 | 248.1 | 214.6 | 183.5 | 139.5 | 143.9 | 206.4 | 2385.3 | |
| 252.2 | 210.4 | 241.2 | 220.6 | 290.1 | 235.0 | 252.6 | 212.4 | 157.1 | 187.3 | 133.7 | 192.5 | 2585.1 | |
| 217.5 | 206.5 | 179.8 | 180.8 | 194.5 | 125.8 | 108.2 | 163.6 | 117.1 | 211.1 | 118.7 | 166.4 | 1990.0 | |
| 241.5 | 161.5 | 195.6 | 221.8 | 204.0 | 142.5 | 214.8 | 218.1 | 154.5 | 196.9 | 198.2 | 209.4 | 2358.8 | |
| 252.0 | 222.7 | 220.7 | 226.4 | 198.6 | 160.5 | 212.8 | 242.6 | 152.6 | 153.7 | 169.3 | 196.7 | 2408.6 | |
| 215.9 | 220.8 | 194.7 | 189.1 | 197.6 | 216.5 | 182.7 | 256.8 | 181.3 | 130.6 | 157.9 | 196.7 | 2340.6 | |
| 240.2 | 207.9 | 206.3 | 233.3 | 193.3 | 146.2 | 154.6 | 219.6 | 108.9 | 140.8 | 195.8 | 230.2 | 2277.1 | |
| 200.9 | 179.1 | 163.1 | 201.3 | 148.3 | 223.9 | 193.8 | 236.9 | 173.5 | 177.6 | 145.4 | 192.8 | 2236.6 | |
| 172.4 | 220.3 | 194.2 | 240.1 | 181.2 | 88.5 | 217.9 | 266.6 | 127.3 | 129.5 | 187.9 | 170.5 | 2196.4 | |
| 202.7 | 196.4 | 180.2 | 187.2 | 151.5 | 142.9 | 148.4 | 146.0 | 163.0 | 147.6 | 156.9 | 158.6 | 1981.4 | |
| 198.3 | 152.1 | 210.6 | 216.4 | 208.0 | 112.6 | 203.5 | 204.1 | × | × | × | × | 1505.6 ] | |
| × | × | × | × | × | × | × | × | × | × | × | × | × | |
| 204.6 | 167.5 | 152.9 | 167.4 | 186.5 | 153.4 | 127.6 | 180.4 | 102.6 | 125.3 | 180.3 | 188.2 | 1936.7 | |
| 189.5 | 121.1 | 164.8 | 161.8 | 227.4 | 120.8 | 145.8 | 210.8 | 103.6 | 142.6 | 129.6 | 169.8 | 1887.6 | |
| 216.0 | 193.3 | 178.3 | 229.1 | 207.7 | 76.9 | 143.3 | 102.8 | 104.3 | 182.5 | 191.8 | 158.1 | 1984.1 | |
| 140.5 | 204.7 | 198.0 | 170.0 | 179.1 | 92.3 | 118.4 | 202.6 | 191.4 | 129.1 | 188.0 | 178.7 | 1992.8 | |
| 234.2 | 206.0 | 130.9 | 159.5 | 201.2 | 183.4 | 254.9 | 220.6 | 142.3 | 137.9 | 199.2 | 209.7 | 2279.8 | |
| 211.8 | 220.4 | 164.8 | 215.0 | 165.7 | 179.5 | 191.2 | 210.9 | 174.5 | 115.8 | 150.4 | 251.2 | 2251.2 | |
| 207.2 | 168.2 | 254.2 | 195.7 | 210.7 | 153.2 | 136.4 | 253.7 | 114.5 | 178.5 | 180.8 | 187.2 | 2240.3 | |
| 194.3 | 177.5 | 189.0 | 178.3 | 227.2 | 195.9 | 128.8 | 176.2 | 139.6 | 129.0 | 129.7 | 188.7 | 2054.2 | |
| 179.2 | 122.1 | 181.3 | 196.2 | 197.7 | 137.9 | 150.1 | 168.7 | 129.9 | 126.5 | 117.2 | 176.4 | 1883.2 | |
| 230.0 | 200.9 | 201.6 | 154.0 | 194.6 | 154.3 | 173.1 | 229.1 | 158.7 | 154.1 | 138.9 | 185.5 | 2174.8 | |
| 197.7 | 213.6 | 199.2 | 196.8 | 182.5 | 163.9 | 208.1 | 153.8 | 159.9 | 80.9 | 175.3 | 204.0 | 2135.7 | |
| 225.6 | 200.9 | 204.9 | 207.1 | 191.3 | 116.6 | 137.1 | 254.4 | 184.0 | 151.2 | 130.9 | 193.6 | 2197.6 | |
| 249.3 | 214.4 | 188.6 | 183.5 | 107.7 | 114.1 | 141.4 | 166.3 | 113.6 ) | 147.9 | 155.3 | 183.2 | 1965.3 | |
| 132.5 | 157.4 | 197.5 | 116.8 | 173.4 | 138.3 | 134.2 | 180.1 | 86.5 | 145.8 | 177.1 | 169.9 | 1809.5 | |
| 183.3 | 208.0 | 244.2 | 167.5 | 173.9 | 126.9 | 93.1 | 233.6 | 126.6 | 202.2 | 151.4 | 171.9 | 2082.6 | |
| 215.0 | 160.3 | 154.3 ) | 133.0 ) | 224.6 | 131.4 | 113.4 | 191.5 | 135.2 | 177.3 ) | 145.7 | 177.2 | 1958.9 | |
| 203.8 | 166.7 | 197.8 | 165.5 | 241.1 | 182.9 | 146.0 | 184.0 | 102.1 | 127.6 | 110.9 | 188.3 | 2016.7 | |
| 208.9 | 202.2 | 153.5 | 185.7 | 168.9 | 145.9 | 113.2 | 110.7 | 108.9 | 93.0 | 183.4 | 131.3 ) | 1805.6 | |
| 149.2 | 96.8 | 161.6 | 159.7 ) | 195.6 | 149.4 | 101.2 ) | 144.5 | 116.0 | 118.6 ) | 131.8 | 190.3 | 1714.7 | |
| 167.7 | 164.3 | 196.4 | 122.1 | 197.0 | 104.0 | 109.5 | 174.0 ) | 91.7 | 122.8 | 137.1 ) | 151.7 | 1738.3 | |
| 183.6 | 164.5 | 196.6 ) | 168.1 | 171.0 | 107.8 | 128.8 | 202.8 | 80.9 | 113.4 | 158.5 | 172.1 ) | 1848.1 | |
| 151.2 | 134.6 | 206.5 | 182.0 | 201.4 | 127.4 | 162.3 | 224.0 ) | 180.0 | 153.0 | 159.9 | 150.8 | 2033.1 | |
| 175.0 | 159.6 | 217.9 | 148.6 | 174.2 ) | 85.3 | 193.8 | 195.1 | 121.3 | 130.5 | 168.6 | 186.8 ) | 1956.7 | |
| 215.5 | 117.2 ) | 172.6 | 183.8 | 215.0 | 104.3 | 76.8 | 190.3 | 128.7 | 102.4 | 155.1 | 168.8 | 1830.5 | |
| 178.7 | 168.8 | 139.7 | 142.0 | 203.6 | 71.8 | 137.6 | 212.3 | 181.4 | 90.9 | 128.0 | 179.2 | 1834.0 | |
| 233.5 | 148.4 | 147.6 | 110.7 ) | 169.6 | 83.7 | 135.5 | 127.4 | 143.8 | 148.1 | 151.3 | 176.5 | 1776.1 | |
| 169.9 | 190.1 | 142.7 | 162.5 | 213.7 | 99.2 | 161.1 | 100.5 | 121.6 | 149.6 | 133.1 | 188.9 | 1832.9 | |
| 154.5 ) | 161.4 | 208.1 | 167.6 | 164.4 | 190.2 | 242.5 | 228.9 | 102.4 | 123.3 | 155.4 | 155.8 | 2054.5 | |
| 175.5 | 149.7 | 178.9 | 153.6 | 181.8 | 194.1 | 142.0 | 156.2 | 140.0 | 160.8 | 110.9 | 180.2 | 1923.7 | |
| 191.6 | 220.8 | 172.8 | 150.6 | 183.9 | 140.0 | 92.6 | 103.2 | 126.1 | 159.8 | 137.8 | 187.5 | 1866.7 | |
| 230.9 | 160.4 | 185.3 | 198.4 | 185.9 | 74.9 | 170.5 | 178.5 | 126.4 | 151.7 | 130.6 | 193.8 | 1987.3 | |
| 188.2 | 176.5 | 190.6 | 175.1 | 248.1 | 157.1 | 106.2 | 161.5 | 118.6 | 166.3 | 120.1 | 144.0 | 1952.3 | |
| 207.7 | 203.4 | 170.9 | 156.6 | 224.3 | 152.0 | 87.9 | 154.2 | 103.0 | 143.9 | 174.6 | 206.7 | 1985.2 | |
| 206.6 | 179.3 | 211.4 | 165.7 | 175.3 | 98.0 | 171.5 | 249.3 | 139.9 | 138.6 | 152.4 | 167.2 | 2055.2 | |
| 194.8 | 147.3 | 70.0 | 178.5 | 194.1 | 100.7 | 187.6 | 246.2 | 100.7 | 153.3 | 156.7 | 197.0 | 1926.9 | |
| 191.0 | 179.5 | 167.1 | 166.2 | 193.4 | 143.3 | 96.0 | 205.6 | 141.3 | 144.9 | 135.8 | 167.0 | 1931.1 | |
| 189.0 | 181.2 | 169.3 | 212.0 | 175.2 | 196.9 | 185.8 | 154.3 | 115.9 | 137.4 | 130.1 | 164.4 | 2011.5 | |
| 183.7 | 191.5 | 150.3 | 208.2 | 195.6 | 133.0 | 57.4 | 156.5 | 55.5 | 160.4 | 185.9 | 216.0 | 1894.0 | |
| 150.8 | 135.9 | 186.4 | 207.7 | 148.4 | 155.7 | 133.2 | 194.9 | 116.2 | 143.2 | 132.2 | 175.1 | 1879.7 | |
| 183.3 | 84.3 | 209.0 | 153.6 | 173.6 | 128.1 | 136.9 | 251.2 | 155.0 | 140.3 | 162.2 | 206.5 | 1984.0 | |
| 216.4 | 214.8 | 132.8 | 148.3 | 201.0 | 136.0 | 126.8 | 140.2 | 97.0 | 75.6 | 154.9 | 160.3 | 1804.1 | |
| 195.9 | 183.0 | 118.5 | 173.8 | 151.4 | 114.9 | 145.5 | 177.9 | 183.5 | 122.7 | 157.9 | 184.1 | 1909.1 | |
| 142.0 | 191.6 | 193.7 | 175.5 | 194.6 | 101.0 | 56.6 | 104.5 | 102.6 | 152.8 | 149.5 | 161.3 | 1725.7 | |
| 177.3 | 216.2 | 179.6 | 216.3 | 188.3 | 135.8 | 194.4 | 255.5 | 125.0 | 87.2 | 180.4 | 174.9 | 2130.9 | |
| 244.8 | 192.5 | 149.1 | 158.1 | 134.3 | 66.5 | 128.8 | 245.9 | 137.0 | 153.0 | 208.7 | 252.0 | 2070.7 | |
| 216.8 | 204.3 | 182.4 | 206.6 | 179.7 | 111.8 | 196.7 | 176.4 | 152.9 | 149.0 | 111.2 | 205.0 | 2092.8 | |
| 250.4 | 202.5 | 188.2 | 186.4 | 169.4 | 164.2 | 201.8 | 184.4 | 104.5 | 216.4 | 149.4 | 167.1 | 2184.7 | |
| 171.6 | 159.3 | 206.5 | 88.7 | 136.1 | 74.8 | 102.1 | 83.5 | 92.7 | 120.6 | 162.0 | 170.6 | 1568.5 | |
| 232.1 | 209.6 | 134.2 | 142.4 | 185.0 | 125.7 | 175.8 | 231.9 | 134.0 | 154.2 | 150.0 | 202.1 | 2077.0 | |
| 170.6 | 218.6 | 223.9 | 180.4 | 186.9 | 126.2 | 213.7 | 200.5 | 134.1 | 114.7 | 118.3 | 191.1 | 2079.0 | |
| 193.3 | 167.1 | 186.3 | 224.4 | 169.3 | 115.6 | 263.3 | 119.7 | 118.2 | 162.2 | 175.3 | 205.9 | 2100.6 | |
| 211.4 | 167.2 | 192.5 | 169.4 | 171.3 | 136.4 | 176.9 | 226.4 | 131.5 | 187.5 | 146.0 | 145.8 | 2062.3 | |
| 216.2 | 159.8 | 193.9 | 168.0 | 147.1 | 107.0 | 56.2 | 118.7 | 163.9 | 136.7 | 102.3 | 192.7 | 1762.5 | |
| 216.8 | 228.8 | 185.7 | 229.5 | 145.2 | 176.3 | 250.7 | 188.3 ) | 154.4 | 118.3 | 158.8 | 179.7 | 2232.5 | |
| 211.9 | 175.0 | 185.7 | 216.9 | 180.9 | 104.2 | 110.5 | 183.3 | 154.0 | 110.2 | 206.8 | 228.5 | 2067.9 | |
| 182.8 | 137.5 | 196.9 | 145.6 | 123.1 | 85.7 | 73.5 | 155.1 | 122.3 | 142.2 | 150.3 | 157.1 | 1672.1 | |
| 194.4 | 206.1 | 208.7 | 158.5 | 226.5 | 173.2 | 78.3 | 232.9 | 135.4 | 135.6 | 153.4 | 179.5 | 2082.5 | |
| 181.1 | 220.6 | 189.8 | 157.5 | 146.4 | 122.5 | 139.5 | 134.7 | 125.4 | 145.4 | 139.2 | 190.7 | 1892.8 | |
| 174.6 | 148.4 | 176.5 | 232.7 | 164.9 | 95.0 | 107.4 | 148.3 | 137.7 | 161.2 | 122.4 | 185.6 | 1854.7 | |
| 231.3 | 118.4 | 128.9 | 132.5 | 200.1 | 158.8 | 186.2 | 233.3 | 168.5 ) | 104.4 | 153.0 | 202.2 | 2017.6 | |
| 259.1 | 156.6 | 224.9 | 198.5 | 138.0 ) | 117.2 | 183.5 | 188.3 | 186.6 | 142.5 | 153.2 | 191.9 | 2140.3 | |
| 206.2 | 161.1 ) | 155.9 | 174.0 | 200.2 | 162.7 | 185.9 | 266.7 | 170.6 | 171.5 | 162.2 | 177.3 | 2194.3 | |
| 218.7 | 181.6 | 187.1 | 202.4 | 243.9 | 126.1 | 170.7 | 221.4 | 172.3 | 122.6 | 185.3 | 192.7 | 2224.8 | |
| 220.8 | 158.0 | 213.1 | 227.7 | 240.3 | 151.3 | 188.5 | 174.8 | 166.0 | 144.1 | 130.4 | 196.2 | 2211.2 | |
| 202.6 | 172.2 | 200.6 | 161.6 | 245.7 | 134.6 | 185.5 | 146.1 | 117.4 | 199.0 | 118.7 | 174.9 | 2058.9 | |
| 211.1 | 179.5 | 172.8 | 156.4 | 202.3 | 140.9 | 146.1 | 176.8 | 100.1 | 140.5 | 141.1 | 209.9 | 1977.5 | |
| 233.9 | 208.5 | 206.9 | 201.0 | 205.9 | 170.1 | 184.3 | 95.0 | 134.7 ) | 104.9 | 162.8 | 217.4 | 2125.4 | |
| 220.1 | 178.1 | 199.3 | 204.6 | 196.1 | 167.7 | 226.2 | 211.2 | 91.5 | 148.6 | 156.4 | 155.6 | 2155.4 | |
| 238.4 | 139.4 | 182.9 | 204.2 | 238.6 | 133.5 | 82.2 | 192.4 | 158.3 | 116.7 | 175.9 | 134.3 | 1996.8 | |
| 162.3 | 196.2 | 181.4 | 201.3 | 172.6 | 143.1 | 47.0 | 269.4 | 121.2 | 112.4 | 171.5 | 183.7 | 1962.1 | |
| 188.1 | 232.2 | 181.7 | 230.0 | 148.2 | 141.1 | 162.8 ) | 187.6 | 118.7 | 161.4 | 217.5 | 211.0 | 2180.3 | |
| 217.3 | 209.4 | 202.0 | 172.1 | 176.0 | 164.5 | 170.9 | 163.4 | 135.5 | 135.7 | 160.7 | 182.7 | 2090.2 | |
| 204.2 ) | 194.7 | 174.6 | 205.5 | 208.6 | 138.4 | 251.8 | 261.4 | 170.1 | 197.4 | 182.3 | 200.7 | 2389.7 | |
| 210.1 | 162.8 | 207.9 | 139.6 | 192.2 | 177.8 | 206.3 | 192.4 | 158.3 | 103.0 | 177.6 | 250.5 | 2178.5 | |
| 218.6 | 241.4 | 161.9 | 178.1 | 9.4 ] | 809.4 ] |
- 値欄の記号の説明
- 赤線は、観測場所を移転した場合、観測装置を変更した場合または観測の時間間隔を変更した場合に、その前後のデータが均質でないことを示します。
赤実線の前後では観測データや観測史上1位などの極値を比較できませんが、赤点線の前後では極値を比較できます。 - 最新の月のデータは稀に更新されない場合があります。年の数字をクリックして表示される「月ごとの値」もご確認ください。