|
|
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1880 | 23.7 ) | 19.1 | 42.8 ] | ||||||||||
| 1881 | 31.4 | 58.7 | 90.3 | 118.0 | 213.4 | 366.6 | 176.7 | 28.0 | 290.2 | 67.3 | 73.8 | 58.5 | 1572.9 |
| 1882 | 98.2 | 57.1 | 72.5 | 208.0 | 129.4 | 167.6 | 95.7 | 124.4 ) | 113.4 | 107.8 | 72.2 | 11.9 | 1258.2 |
| 1883 | 66.9 | 89.5 | 89.8 | 121.3 | 112.5 | 139.3 | 70.8 | 18.4 | 109.9 | 260.6 | 37.8 | 34.7 | 1151.5 |
| 1884 | 76.0 | 67.5 | 169.2 | 140.4 | 118.7 | 216.0 | 329.7 | 76.6 | 270.6 | 32.3 | 62.7 | 24.0 | 1583.7 |
| 1885 | 47.0 | 14.4 | 105.7 | 302.4 | 86.7 | 579.4 | 212.1 | 108.3 | 52.9 | 160.7 | 91.1 | 45.5 | 1806.2 |
| 1886 | 47.8 | 47.1 | 122.7 | 90.6 | 216.8 | 134.6 | 34.2 | 105.5 | 224.6 | 187.8 | 203.1 | 27.3 | 1442.1 |
| 1887 | 124.5 | 9.0 | 102.1 | 147.2 | 107.6 | 238.9 | 126.4 | 160.6 | 84.7 | 202.4 | 47.3 | 48.4 | 1399.1 |
| 1888 | 17.0 | 19.0 | 129.8 | 202.4 | 105.1 | 129.3 | 122.6 | 128.4 | 128.1 | 76.7 | 104.7 | 78.7 | 1241.8 |
| 1889 | 20.7 | 61.8 | 77.8 | 303.1 | 78.0 | 211.9 | 488.4 | 228.2 | 174.1 | 139.6 | 113.2 | 69.4 | 1966.2 |
| 1890 | 53.4 | 116.1 | 210.2 | 246.0 | 318.7 | 184.6 | 192.8 | 62.2 | 198.5 | 195.7 | 83.5 | 154.7 | 2016.4 |
| 1891 | 33.4 | 62.4 | 121.2 | 88.2 | 64.0 | 162.2 | 224.9 | 308.7 | 154.1 | 10.5 | 44.8 | 53.6 | 1328.0 |
| 1892 | 22.6 | 120.4 | 110.3 | 149.7 | 264.3 | 348.2 | 247.6 | 36.8 | 185.4 | 148.9 | 100.5 | 21.3 | 1756.0 |
| 1893 | 71.9 | 43.5 | 49.8 | 137.0 | 237.4 | 146.2 | 59.4 | 142.2 | 156.6 | 218.1 | 75.9 | 11.5 | 1349.5 |
| 1894 | 37.4 | 70.1 | 126.5 | 213.3 | 43.7 | 132.1 | 121.2 | 65.8 | 104.2 | 88.8 | 70.8 | 57.7 | 1131.6 |
| 1895 | 42.9 | 103.8 | 129.4 | 58.3 | 116.0 | 406.6 | 297.7 | 205.6 | 122.9 | 143.0 | 52.3 | 57.6 | 1736.1 |
| 1896 | 28.1 | 83.3 | 65.3 | 244.6 | 73.2 | 158.4 | 361.1 | 226.7 | 316.4 | 181.3 | 164.2 | 71.1 | 1973.7 |
| 1897 | 82.5 | 44.3 | 147.2 | 196.5 | 172.2 | 127.3 | 234.5 | 98.5 | 450.6 | 62.6 | 106.3 | 19.2 | 1741.7 |
| 1898 | 132.6 | 83.8 | 74.3 | 96.4 | 144.6 | 208.7 | 125.5 | 150.0 | 186.5 | 46.4 | 115.4 | 80.5 | 1444.7 |
| 1899 | 45.4 | 97.5 | 156.1 | 152.1 | 63.6 | 304.2 | 295.8 | 202.1 | 437.0 | 111.8 | 26.3 | 55.9 | 1947.8 |
| 1900 | 60.2 | 43.5 | 90.7 | 221.7 | 120.4 | 106.0 | 159.0 | 252.2 | 156.2 | 161.7 | 100.1 | 39.9 | 1511.6 |
| 1901 | 97.3 | 38.7 | 80.5 | 146.3 | 62.5 | 267.8 | 259.4 | 76.4 | 66.8 | 164.7 | 57.0 | 50.4 | 1367.8 |
| 1902 | 26.8 | 4.7 | 138.3 | 149.0 | 286.2 | 145.5 | 139.1 | 243.4 | 164.3 | 99.4 | 96.1 | 81.4 | 1574.2 |
| 1903 | 80.6 | 96.7 | 193.7 | 180.3 | 266.8 | 151.0 | 626.9 | 13.5 | 172.3 | 146.9 | 83.7 | 46.9 | 2059.3 |
| 1904 | 30.1 | 58.8 | 118.3 | 145.0 | 177.2 | 345.0 | 231.9 | 86.4 | 263.9 | 116.1 | 41.2 | 51.2 | 1665.1 |
| 1905 | 56.9 | 42.0 | 104.9 | 170.1 | 125.0 | 486.6 | 225.0 | 348.3 | 82.4 | 127.0 | 25.8 | 73.9 | 1867.9 |
| 1906 | 64.1 | 139.2 | 63.7 | 54.7 | 145.8 | 199.4 | 235.3 | 32.2 | 406.4 | 172.6 | 31.4 | 37.6 | 1582.4 |
| 1907 | 58.4 | 31.7 | 77.4 | 138.2 | 151.5 | 205.1 | 203.7 | 245.6 | 306.1 | 154.9 | 78.0 | 10.8 | 1661.4 |
| 1908 | 47.6 | 37.1 | 118.2 | 326.1 | 98.3 | 210.2 | 120.6 | 216.1 | 139.0 | 132.1 | 35.6 | 86.6 | 1567.5 |
| 1909 | 163.1 | 45.8 | 142.1 | 145.8 | 135.7 | 353.0 | 74.4 | 32.6 | 296.3 | 45.0 | 47.5 | 15.7 | 1497.0 |
| 1910 | 103.3 | 46.8 | 117.7 | 84.4 | 104.9 | 224.2 | 205.8 | 144.0 | 315.0 | 157.2 | 51.1 | 42.6 | 1597.0 |
| 1911 | 86.0 | 62.8 | 113.2 | 198.5 | 96.8 | 258.5 | 245.3 | 343.1 | 245.4 | 173.0 | 68.4 | 39.8 | 1930.8 |
| 1912 | 55.7 | 167.9 | 125.1 | 162.8 | 101.5 | 118.0 | 192.5 | 86.3 | 229.8 | 52.8 | 35.8 | 120.0 | 1448.2 |
| 1913 | 61.7 | 57.3 | 52.0 | 143.5 | 238.6 | 149.0 | 24.7 | 158.6 | 75.6 | 175.6 | 102.0 | 104.5 | 1343.1 |
| 1914 | 38.3 | 67.0 | 169.0 | 81.2 | 211.5 | 280.5 | 170.0 | 125.4 | 89.3 | 88.0 | 27.2 | 43.8 | 1391.2 |
| 1915 | 119.0 | 131.7 | 76.2 | 227.7 | 207.5 | 241.4 | 188.6 | 189.4 | 120.3 | 157.2 | 82.8 | 23.3 | 1765.1 |
| 1916 | 52.0 | 123.2 | 35.9 | 131.1 | 99.9 | 348.3 | 100.4 | 59.0 | 271.4 | 234.0 | 176.5 | 79.0 | 1710.7 |
| 1917 | 18.6 | 37.0 | 181.8 | 82.4 | 56.0 | 272.3 | 69.4 | 116.5 | 320.4 | 226.9 | 31.0 | 16.8 | 1429.1 |
| 1918 | 15.6 | 48.8 | 115.9 | 166.8 | 163.6 | 151.5 | 199.5 | 237.8 | 284.1 | 154.7 | 76.3 | 72.0 | 1686.6 |
| 1919 | 83.7 | 57.0 | 139.7 | 108.8 | 44.9 | 194.8 | 170.4 | 127.3 | 221.1 | 98.2 | 91.0 | 69.2 | 1406.1 |
| 1920 | 92.0 | 91.4 | 98.2 | 85.6 | 92.1 | 295.0 | 84.5 | 165.0 | 86.4 | 60.3 | 59.4 | 110.6 | 1320.5 |
| 1921 | 121.1 | 49.4 | 170.6 | 247.4 | 175.8 | 371.5 | 393.9 | 136.2 | 351.7 | 62.9 | 33.2 | 36.9 | 2150.6 |
| 1922 | 64.9 | 173.3 | 125.3 | 123.7 | 62.5 | 122.3 | 204.3 | 63.4 | 55.0 | 128.6 | 119.2 | 31.3 | 1273.8 |
| 1923 | 31.5 | 56.8 | 134.5 | 178.8 | 254.0 | 522.2 | 280.4 | 39.0 | 286.2 | 181.1 | 125.1 | 45.0 | 2134.6 |
| 1924 | 11.4 | 48.2 | 30.5 | 140.5 | 177.9 | 84.3 | 32.7 | 71.2 | 155.0 | 168.3 | 44.2 | 19.3 | 983.5 |
| 1925 | 23.8 | 55.1 | 24.1 | 145.5 | 192.7 | 234.7 | 282.1 | 211.3 | 285.7 | 71.6 | 73.0 | 67.3 | 1666.9 |
| 1926 | 41.2 | 77.0 | 79.5 | 119.7 | 250.8 | 88.1 | 170.5 | 73.1 | 114.2 | 98.2 | 64.7 | 95.6 | 1272.6 |
| 1927 | 32.0 | 41.9 | 157.1 | 87.0 | 144.6 | 121.5 | 79.4 | 201.7 | 237.2 | 44.6 | 82.3 | 37.4 | 1266.7 |
| 1928 | 110.8 | 81.8 | 72.8 | 98.1 | 127.5 | 405.5 | 154.4 | 218.3 | 118.4 | 115.5 | 73.3 | 52.1 | 1628.5 |
| 1929 | 13.1 | 18.2 | 42.1 | 92.1 | 130.7 | 71.6 | 209.9 | 130.3 | 258.8 | 144.4 | 127.8 | 112.5 | 1351.5 |
| 1930 | 37.7 | 100.2 | 98.4 | 107.5 | 99.1 | 252.3 | 230.9 | 51.3 | 83.1 | 132.0 | 122.0 | 35.9 | 1350.4 |
| 1931 | 73.5 | 92.1 | 81.7 | 175.0 | 142.1 | 206.0 | 243.8 | 58.2 | 112.2 | 175.7 | 92.0 | 90.5 | 1542.8 |
| 1932 | 19.4 | 29.1 | 74.3 | 164.6 | 108.8 | 181.5 | 343.0 | 171.8 | 216.2 | 30.2 | 133.6 | 68.0 | 1540.5 |
| 1933 | 51.1 | 27.8 | 158.3 | 153.4 | 173.2 | 91.5 | 144.7 | 136.4 | 64.3 | 156.3 | 120.1 | 55.7 | 1332.8 |
| 1934 | 26.7 | 37.8 | 74.0 | 138.3 | 50.9 | 222.2 | 181.5 | 55.1 | 203.8 | 107.1 | 118.7 | 50.2 | 1266.3 |
| 1935 | 35.1 | 93.6 | 49.7 | 90.4 | 92.5 | 549.6 | 80.2 | 376.5 | 324.6 | 60.8 | 96.9 | 85.5 | 1935.4 |
| 1936 | 23.0 | 72.0 | 48.8 | 315.7 | 165.6 | 102.8 | 203.0 | 94.4 | 172.0 | 175.8 | 44.5 | 53.6 | 1471.2 |
| 1937 | 63.3 | 71.6 | 134.4 | 86.8 | 99.7 | 301.1 | 139.8 | 50.7 | 141.4 | 111.5 | 167.8 | 36.3 | 1404.4 |
| 1938 | 65.0 | 31.8 | 101.0 | 98.5 | 154.7 | 242.9 | 361.1 | 249.2 | 123.1 | 202.3 | 36.9 | 20.2 | 1686.7 |
| 1939 | 55.9 | 36.7 | 137.2 | 117.0 | 40.4 | 126.1 | 28.8 | 111.0 | 155.8 | 115.5 | 74.5 | 3.3 | 1002.2 |
| 1940 | 6.8 | 104.1 | 73.2 | 128.3 | 35.4 | 268.8 | 140.6 | 146.2 | 26.3 | 104.0 | 33.7 | 45.6 | 1113.0 |
| 1941 | 57.1 | 73.8 | 99.4 | 72.5 | 292.8 | 401.7 | 178.9 | 166.0 | 332.6 | 90.7 | 82.7 | 72.1 | 1920.3 |
| 1942 | 10.6 | 57.1 | 145.3 | 131.3 | 86.2 | 333.8 | 13.6 | 170.0 | 260.8 | 77.7 | 32.6 | 9.3 | 1328.3 |
| 1943 | 34.8 | 48.8 | 62.5 | 125.7 | 104.5 | 154.0 | 345.2 | 121.2 | 71.6 | 123.2 | 35.9 | 47.4 | 1274.8 |
| 1944 | 30.6 | 47.0 | 79.7 | 127.8 | 108.7 | 78.8 | 69.2 | 160.1 | 132.2 | 166.9 | 125.8 | 30.2 | 1157.0 |
| 1945 | 3.6 | 46.5 | 126.0 | 67.6 | 126.5 | 252.0 | 213.4 | 98.6 | 296.9 | 335.8 | 82.1 | 53.7 | 1702.7 |
| 1946 | 43.3 | 54.3 | 129.0 | 205.2 | 238.4 | 205.9 | 176.3 | 114.9 | 178.6 | 185.5 | 94.5 | 74.4 | 1700.3 |
| 1947 | 73.0 | 31.7 | 65.0 | 74.3 | 205.9 | 144.9 | 179.3 | 54.4 | 240.6 | 69.5 | 22.4 | 62.2 | 1223.2 |
| 1948 | 36.3 | 43.9 | 130.3 | 136.6 | 57.2 | 104.2 | 158.4 | 163.9 | 294.2 | 44.9 | 141.1 | 68.8 | 1379.8 |
| 1949 | 57.2 | 85.5 | 128.6 | 86.7 | 166.6 | 347.5 | 322.6 | 75.3 | 209.1 | 181.9 | 101.4 | 106.1 | 1868.5 |
| 1950 | 137.7 | 88.0 | 177.0 | 141.3 | 169.6 | 273.1 | 135.5 | 83.6 | 157.0 | 142.0 | 92.9 | 84.3 | 1682.0 |
| 1951 | 46.5 | 79.1 | 103.4 | 168.5 | 118.7 | 141.0 | 488.2 | 41.0 | 121.2 | 83.8 | 110.0 | 53.7 | 1555.1 |
| 1952 | 75.6 | 80.2 | 166.7 | 210.1 | 163.9 | 240.7 | 426.2 | 131.3 | 149.9 | 104.9 | 80.8 | 21.3 | 1851.6 |
| 1953 | 48.8 | 80.5 | 133.0 | 66.1 | 232.9 | 378.4 | 392.3 | 164.3 | 396.3 | 56.5 | 37.5 | 51.7 | 2038.3 |
| 1954 | 102.8 | 60.1 | 81.7 | 136.1 | 206.5 | 513.6 | 251.9 | 88.0 | 236.6 | 48.2 | 62.3 | 54.1 | 1841.9 |
| 1955 | 60.4 | 104.4 | 173.7 | 188.2 | 130.1 | 174.9 | 202.0 | 146.5 | 124.9 | 129.8 | 88.6 | 23.7 | 1547.2 |
| 1956 | 33.9 | 59.6 | 198.5 | 171.1 | 236.5 | 250.8 | 159.0 | 293.8 | 230.7 | 123.4 | 65.5 | 5.4 | 1828.2 |
| 1957 | 55.9 | 55.5 | 69.9 | 150.2 | 125.2 | 251.1 | 335.9 | 172.9 | 308.8 | 46.7 | 41.8 | 66.8 | 1680.7 |
| 1958 | 84.3 | 77.2 | 63.4 | 164.8 | 103.1 | 210.0 | 241.1 | 192.4 | 339.2 | 256.1 | 78.2 | 81.8 | 1891.6 |
| 1959 | 82.3 | 164.8 | 98.3 | 180.7 | 144.8 | 88.4 | 193.4 | 452.3 | 268.8 | 111.9 | 100.9 | 97.6 | 1984.2 |
| 1960 | 40.5 | 27.1 | 70.7 | 148.8 | 198.8 | 146.2 | 192.6 | 460.1 | 156.6 | 110.7 | 99.2 | 31.2 | 1682.5 |
| 1961 | 60.1 | 30.0 | 93.4 | 176.4 | 159.3 | 498.2 | 218.3 | 107.2 | 84.9 | 331.9 | 51.0 | 29.4 | 1840.1 |
| 1962 | 55.5 | 14.2 | 31.7 | 178.7 | 144.9 | 370.1 | 216.4 | 158.0 | 49.5 | 58.4 | 55.4 | 53.5 | 1386.3 |
| 1963 | 45.3 | 45.7 | 102.8 | 157.6 | 322.2 | 287.3 | 185.1 | 236.3 | 81.0 | 102.1 | 41.8 | 18.9 | 1626.1 |
| 1964 | 89.5 | 72.9 | 94.6 | 179.3 | 115.9 | 209.9 | 152.0 | 65.2 | 133.7 | 110.2 | 68.8 | 15.2 | 1307.2 |
| 1965 | 66.0 | 29.1 | 89.0 | 100.8 | 304.2 | 281.0 | 378.9 | 31.7 | 441.2 | 84.3 | 89.3 | 63.1 | 1958.6 |
| 1966 | 24.2 | 92.8 | 171.9 | 139.7 | 214.2 | 196.4 | 269.5 | 135.6 | 280.3 | 75.5 | 67.4 | 46.8 | 1714.3 |
| 1967 | 82.9 | 31.7 | 175.9 | 265.5 | 75.2 | 107.4 | 445.7 | 49.4 | 51.5 | 136.3 | 77.9 | 17.0 | 1516.4 |
| 1968 | 39.0 | 68.5 | 110.5 | 95.0 | 99.5 | 135.5 | 275.5 | 364.0 | 210.0 | 120.0 | 28.0 | 86.5 | 1632.0 |
| 1969 | 46.0 | 109.0 | 119.5 | 111.0 | 84.0 | 402.0 | 275.0 | 134.0 | 54.0 | 77.0 | 79.0 | 25.5 | 1516.0 |
| 1970 | 52.5 | 67.5 | 64.5 | 178.0 | 134.0 | 375.0 | 141.0 | 120.5 | 226.0 | 72.0 | 99.5 | 45.5 | 1576.0 |
| 1971 | 51.5 | 50.0 | 111.5 | 164.5 | 172.5 | 132.5 | 309.0 | 158.5 | 388.5 | 147.5 | 6.5 | 69.0 | 1761.5 |
| 1972 | 74.5 | 98.0 | 152.0 | 119.0 | 129.0 | 232.5 | 389.5 | 153.0 | 288.0 | 63.5 | 105.0 | 51.5 | 1855.5 |
| 1973 | 134.0 | 71.5 | 6.5 | 272.0 | 158.0 | 171.5 | 22.5 | 183.0 | 177.0 | 200.0 | 9.5 | 2.5 | 1408.0 |
| 1974 | 25.5 | 84.5 | 92.5 | 246.0 | 72.5 | 267.0 | 382.5 | 233.5 | 124.0 | 136.5 | 81.0 | 54.5 | 1800.0 |
| 1975 | 37.5 | 55.0 | 52.5 | 185.5 | 81.0 | 208.5 | 199.0 | 238.5 | 137.5 | 205.5 | 120.0 | 52.5 | 1573.0 |
| 1976 | 7.0 | 156.0 | 119.0 | 187.5 | 200.0 | 301.0 | 148.0 | 191.0 | 363.5 | 141.5 | 39.5 | 53.0 | 1907.0 |
| 1977 | 18.0 | 29.5 | 185.5 | 111.0 | 81.5 | 168.0 | 94.5 | 59.0 | 143.0 | 52.5 | 154.0 | 51.5 | 1148.0 |
| 1978 | 28.5 | 11.0 | 57.5 | 79.0 | 89.0 | 319.0 | 75.0 | 49.0 | 247.0 | 90.5 | 66.0 | 55.5 | 1167.0 |
| 1979 | 62.0 | 95.0 | 96.0 | 188.5 | 152.0 | 220.0 | 69.0 | 166.5 | 154.5 | 85.0 | 118.0 | 26.5 | 1433.0 |
| 1980 | 85.5 | 19.5 | 161.5 | 175.5 | 238.5 | 145.5 | 375.0 | 303.5 | 204.0 | 166.0 | 112.5 | 55.0 | 2042.0 |
| 1981 | 12.0 | 62.5 | 112.5 | 186.5 | 204.0 | 200.5 | 97.0 | 120.0 | 144.5 | 205.0 | 88.5 | 25.0 | 1458.0 |
| 1982 | 21.0 | 29.0 | 123.5 | 115.5 | 98.0 | 115.0 | 302.0 | 303.5 | 86.5 | 20.0 | 117.5 | 38.0 | 1369.5 |
| 1983 | 45.0 | 43.5 | 137.5 | 215.0 | 153.5 | 266.0 | 252.5 | 118.0 | 506.5 | 135.0 | 31.5 | 24.0 | 1928.0 |
| 1984 | 46.5 | 69.5 | 50.0 | 69.0 | 97.5 | 292.5 | 195.0 | 90.5 | 118.0 | 53.0 | 35.0 | 45.5 | 1162.0 |
| 1985 | 12.5 | 115.0 | 190.5 | 177.5 | 105.5 | 389.5 | 232.0 | 12.0 | 211.5 | 48.0 | 67.0 | 38.0 | 1599.0 |
| 1986 | 14.5 | 30.0 | 152.0 | 126.5 | 229.5 | 263.5 | 422.5 | 23.5 | 55.5 | 74.0 | 19.0 | 68.5 | 1479.0 |
| 1987 | 68.5 | 44.5 | 104.5 | 46.0 | 163.0 | 150.0 | 365.5 | 36.5 | 116.0 | 110.5 | 49.5 | 15.5 | 1270.0 |
| 1988 | 36.0 | 25.0 | 125.5 | 88.5 | 176.0 | 384.0 | 213.5 | 134.0 | 133.0 | 69.5 | 49.0 | 17.0 | 1451.0 |
| 1989 | 121.0 | 182.5 | 101.0 | 104.5 | 196.0 | 185.5 | 139.5 | 249.0 | 479.0 | 40.5 | 30.0 | 18.5 | 1847.0 |
| 1990 | 48.5 | 141.0 | 132.5 | 114.0 | 162.0 | 153.5 | 197.0 | 58.5 | 387.5 | 148.0 | 129.0 | 32.0 | 1703.5 |
| 1991 | 29.5 | 77.5 | 180.0 | 157.5 | 112.5 | 266.5 | 306.0 | 31.5 | 90.0 | 245.0 | 84.0 | 43.0 ) | 1623.0 |
| 1992 | 35.5 | 41.0 | 167.5 | 145.0 | 168.5 | 168.0 | 121.5 | 165.5 | 80.0 | 110.0 | 63.0 | 76.0 | 1341.5 |
| 1993 | 68.0 | 94.5 | 63.5 | 103.5 | 95.0 | 373.5 | 324.5 | 356.5 | 230.0 | 92.0 | 106.5 | 65.0 | 1972.5 |
| 1994 | 52.5 | 77.5 | 27.5 | 137.0 | 109.5 | 113.0 | 82.0 | 40.5 | 127.0 | 49.0 | 35.0 | 30.0 | 880.5 |
| 1995 | 42.5 | 22.0 | 83.0 | 67.0 | 393.5 | 120.5 | 379.0 | 46.5 | 57.5 | 82.5 | 55.0 | 17.0 | 1366.0 |
| 1996 | 36.5 | 40.0 | 173.0 | 39.5 | 95.0 | 218.0 | 149.0 | 337.0 | 157.5 | 109.5 | 69.0 | 91.5 | 1515.5 |
| 1997 | 33.0 | 37.5 | 84.5 | 108.0 | 167.0 | 131.5 | 354.5 | 185.0 | 212.5 | 11.0 | 163.0 | 71.0 | 1558.5 |
| 1998 | 116.5 | 59.0 | 88.0 | 171.5 | 232.5 | 271.0 | 107.0 | 90.0 | 205.0 | 473.5 | 4.0 | 30.0 | 1848.0 |
| 1999 | 34.5 | 56.5 ) | 141.0 | 72.5 | 167.0 | 523.5 | 106.5 | 99.5 | 192.0 | 100.5 | 76.5 | 5.5 | 1575.5 |
| 2000 | 66.5 | 28.5 | 95.5 | 88.0 | 146.0 | 145.0 | 49.5 | 78.0 | 331.5 | 148.5 | 172.0 | 19.5 | 1368.5 |
| 2001 | 114.0 | 79.0 | 87.0 | 27.0 | 148.5 | 215.5 | 100.5 | 99.5 | 130.5 | 170.5 | 32.5 | 30.0 | 1234.5 |
| 2002 | 69.5 | 18.5 | 106.0 | 142.5 | 112.0 | 86.5 | 149.0 | 66.5 | 79.5 | 96.0 | 39.5 | 59.0 | 1024.5 |
| 2003 | 97.5 | 64.0 | 111.0 | 188.0 | 118.5 | 262.0 | 256.0 | 298.5 | 137.5 | 53.0 | 191.0 | 36.5 | 1813.5 |
| 2004 | 16.5 | 54.5 | 74.0 | 137.5 | 254.5 | 161.0 | 50.0 | 249.5 | 210.5 | 276.0 | 63.0 | 105.5 | 1652.5 |
| 2005 | 38.5 | 55.0 | 84.0 | 33.5 | 94.5 | 73.0 | 198.5 | 102.0 | 91.5 | 107.5 | 37.0 | 39.5 | 954.5 |
| 2006 | 40.5 | 99.5 | 120.0 | 135.0 | 160.5 | 183.0 | 379.0 | 84.0 | 108.5 | 91.5 | 71.5 | 109.5 | 1582.5 |
| 2007 | 22.5 | 71.5 | 81.0 | 17.5 | 156.0 | 159.0 | 250.0 | 119.0 | 128.5 | 92.0 | 23.5 | 92.0 | 1212.5 |
| 2008 | 47.0 | 61.0 | 123.5 | 178.0 | 198.5 | 189.5 | 98.5 | 87.5 | 207.0 | 123.0 | 66.5 | 50.5 | 1430.5 |
| 2009 | 89.5 | 128.0 | 113.0 | 87.5 | 107.0 | 134.0 | 309.0 | 106.5 | 53.5 | 131.0 | 156.5 | 42.0 | 1457.5 |
| 2010 | 33.0 | 140.0 | 166.5 | 191.5 | 203.0 | 227.0 | 425.0 | 175.0 | 219.0 | 160.0 | 15.0 | 106.0 | 2061.0 |
| 2011 | 10.0 | 80.5 | 60.0 | 107.0 | 415.0 | 145.5 | 137.5 | 62.0 | 345.0 | 205.5 | 73.0 | 9.5 | 1650.5 |
| 2012 | 31.0 | 115.0 | 142.0 | 118.0 | 44.5 | 236.5 | 333.5 | 112.0 | 140.5 | 88.0 | 120.0 | 81.0 | 1562.0 |
| 2013 | 41.0 | 96.0 | 65.5 | 109.5 | 38.0 | 173.5 | 140.0 | 102.0 | 358.0 | 217.5 | 50.0 | 59.5 | 1450.5 |
| 2014 | 42.5 ) | 55.0 | 147.5 | 84.5 | 78.0 | 61.0 | 98.0 | 487.0 | 65.0 | 105.0 | 60.0 | 93.5 | 1377.0 |
| 2015 | 120.5 | 43.5 | 159.0 | 163.5 | 128.0 | 263.0 | 416.5 | 241.5 | 190.5 | 38.5 | 177.0 | 101.0 | 2042.5 |
| 2016 | 77.0 | 99.0 | 69.0 | 180.5 | 147.5 | 284.0 | 102.5 | 148.5 | 458.5 | 99.5 | 82.0 | 92.0 | 1840.0 |
| 2017 | 61.0 | 40.0 | 56.0 | 129.0 | 66.0 | 205.0 | 150.5 | 129.5 | 159.0 | 397.0 | 43.0 | 33.5 | 1469.5 |
| 2018 | 42.5 | 23.5 | 157.0 | 161.0 | 187.0 | 209.0 | 368.5 | 112.5 | 390.5 | 35.5 | 22.5 | 60.5 | 1770.0 |
| 2019 | 25.0 | 41.0 | 68.5 | 107.0 | 84.5 | 140.5 | 213.5 | 355.0 | 84.5 | 215.0 | 25.5 | 47.5 | 1407.5 |
| 2020 | 64.0 | 55.5 | 92.0 | 121.5 | 114.0 | 250.5 | 552.0 | 45.5 | 114.0 | 171.5 | 41.0 | 23.0 | 1644.5 |
| 2021 | 55.5 | 54.0 | 143.0 | 202.0 | 228.5 | 128.0 | 390.0 | 468.5 | 179.5 | 41.0 | 67.5 | 76.5 | 2034.0 |
| 2022 | 38.5 | 17.0 | 89.0 | 127.5 | 80.5 | 125.5 | 302.5 | 285.0 | 197.5 | 92.5 | 79.0 | 25.0 | 1459.5 |
| 2023 | 39.0 | 36.0 | 91.5 | 208.0 | 253.0 | 228.0 | 74.5 | 195.5 | 70.0 | 60.5 | 63.0 | 26.0 | 1345.0 |
| 2024 | 53.5 | 111.0 | 189.0 | 159.5 | 245.0 | 279.0 | 113.5 | 154.0 | 39.5 | 118.0 | 134.0 | 7.5 | 1603.5 |
| 2025 | 14.0 | 19.0 | 97.0 | 51.0 | 180.0 | 295.5 | 180.5 | 305.5 | 90.5 | 163.5 | 27.5 | 57.5 | 1481.5 |
| 2026 | 0.0 | 37.5 | 80.5 | 178.5 | 116.5 | 125.0 ] | 538.0 ] |
Remarks
The red lines, if any, indicate data inhomogeneity caused by changes in instrumentation, observation methods and/or site location.