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|
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1943 | 182.5 | 136.2 | 124.1 | 107.4 | 80.0 | 103.8 | 116.9 | 116.2 | 355.9 | 122.4 | 180.4 | 124.0 | 1749.8 |
| 1944 | 274.8 | 241.5 | 161.9 | 120.7 | 69.0 | 46.2 | 144.8 | 229.4 | 151.8 | 256.7 | 124.6 | 248.4 | 2069.8 |
| 1945 | 353.5 | 288.3 | 147.7 | 47.5 ) | 78.8 | 287.9 | 131.7 | 64.0 | 382.3 | 408.2 | 74.8 | 425.0 | 2689.7 |
| 1946 | 148.5 | 183.1 | 144.3 | 120.3 | 124.8 | 230.5 | 178.6 | 56.2 | 162.5 | 267.0 | 121.2 | 268.9 | 2005.9 |
| 1947 | 279.9 | 341.7 | 152.5 | 76.4 | 100.9 | 147.0 | 100.2 | 56.5 | 179.6 | 193.2 | 61.0 | 288.8 | 1977.7 |
| 1948 | 134.6 | 135.9 | 74.1 | 86.9 | 50.3 | 114.0 | 176.1 | 121.0 | 258.6 | 167.9 | 231.8 | 159.6 | 1710.8 |
| 1949 | 185.9 | 139.0 | 132.5 | 87.7 | 111.0 | 247.2 | 216.2 | 64.7 | 246.9 | 145.7 | 179.1 | 244.7 | 2000.6 |
| 1950 | 183.1 | 161.4 | 212.7 | 97.4 | 104.6 | 149.4 | 40.8 | 93.7 | 258.0 | 294.1 | 217.3 | 198.8 | 2011.3 |
| 1951 | 150.9 | 176.6 | 193.8 | 92.3 | 129.8 | 83.2 | 229.5 | 32.4 | 43.9 | 183.7 | 199.7 | 223.3 | 1739.1 |
| 1952 | 282.5 | 261.4 | 133.5 | 140.1 | 135.9 | 211.2 | 297.3 | 38.2 | 276.1 | 72.4 | 114.8 | 185.9 | 2149.3 |
| 1953 | 342.1 ) | 216.3 | 142.0 | 86.7 | 142.8 | 259.0 | 588.6 | 172.6 | 335.1 | 89.5 | 166.4 | 148.3 | 2689.4 |
| 1954 | 367.0 | 218.6 | 185.6 | 113.4 | 191.6 | 247.0 | 179.2 | 26.6 | 241.0 | 69.6 | 79.4 | 184.1 | 2103.1 |
| 1955 | 243.2 | 169.4 | 119.6 | 132.4 | 69.8 | 125.6 | 119.0 | 92.0 | 175.1 | 141.3 | 127.4 | 131.6 | 1646.4 |
| 1956 | 226.8 | 241.5 | 188.5 | 67.4 | 61.6 ) | 190.0 | 168.9 | 156.2 | 192.0 | 127.5 | 181.3 | 197.6 | 1999.3 |
| 1957 | 179.3 | 214.7 | 134.6 | 104.3 | 142.0 | 146.6 | 372.8 | 122.3 | 107.0 ) | 131.2 | 70.4 | 206.2 | 1931.4 |
| 1958 | 181.8 | 123.8 | 155.2 | 158.9 | 104.7 | 98.5 | 266.5 | 202.2 | 191.0 | 157.0 | 149.9 | 122.1 | 1911.6 |
| 1959 | 222.7 | 157.1 ) | 68.1 | 110.0 | 112.7 ) | 157.5 | 158.1 ) | 96.9 | 370.9 | 120.7 ) | 130.9 | 251.4 | 1957.0 |
| 1960 | 316.6 | 140.7 | 186.3 | 102.1 | 134.2 | 68.7 | 187.0 | 164.5 | 170.2 | 152.4 | 191.8 | 249.9 ) | 2064.4 |
| 1961 | 178.4 | 166.6 | 82.4 | 143.2 | 67.0 | 205.3 | 101.8 | 129.3 | 306.2 | 336.2 | 106.8 | 242.0 | 2065.2 |
| 1962 | 258.5 | 148.3 | 100.7 | 151.7 | 134.2 | 222.1 | 99.7 | 144.9 | 126.9 | 149.1 | 185.9 | 87.9 | 1809.9 |
| 1963 | 258.0 | 201.2 | 118.3 | 153.0 | 241.2 | 307.0 | 133.2 | 181.3 | 100.6 | 81.7 | 103.6 | 97.6 | 1976.7 |
| 1964 | 148.5 | 175.5 ) | 107.3 | 160.8 | 68.3 | 154.8 | 402.5 | 143.6 | 249.3 | 164.8 | 212.4 | 222.2 | 2210.0 |
| 1965 | 179.2 | 179.5 | 127.9 ) | 129.5 | 189.8 | 166.2 | 532.3 | 8.1 | 524.9 ) | 62.4 | 164.0 | 242.5 | 2506.3 |
| 1966 | 150.7 | 143.8 ) | 227.0 | 93.9 | 165.9 | 222.3 | 114.8 | 51.3 | 511.3 | 115.6 ) | 168.6 | 326.2 | 2291.4 |
| 1967 | 201.6 | 165.1 | 126.8 ) | 182.5 | 66.1 | 107.3 | 325.0 | 149.8 | 248.3 | 180.8 | 147.2 | 63.9 | 1964.4 |
| 1968 | 180.5 | 204.0 | 121.0 | 81.5 | 102.5 | 80.0 | 263.5 | 219.5 | 170.0 | 125.0 | 60.0 | 183.5 | 1791.0 |
| 1969 | 229.0 | 154.5 | 106.0 | 97.5 | 85.0 | 184.5 | 192.5 | 149.5 | 190.5 | 178.0 | 110.5 | 149.0 | 1826.5 |
| 1970 | 280.5 | 110.0 | 116.5 | 120.0 | 79.0 | 286.0 | 150.5 | 145.5 | 126.5 | 168.0 | 323.0 | 189.5 | 2095.0 |
| 1971 | 101.0 | 186.0 | 75.0 | 80.5 | 79.0 | 190.0 | 266.5 | 143.5 | 317.5 | 117.0 | 87.5 | 133.5 | 1777.0 |
| 1972 | 242.0 | 190.0 | 113.5 | 93.0 | 123.5 | 182.5 | 489.5 | 147.5 | 332.0 | 121.5 | 140.5 | 163.5 | 2339.0 |
| 1973 | 135.0 | 153.0 | 92.5 | 92.0 | 65.5 | 120.5 | 21.0 | 34.0 | 153.0 | 88.0 | 214.0 | 175.0 | 1343.5 |
| 1974 | 92.0 | 168.0 | 158.0 | 122.0 | 45.5 | 80.0 | 273.0 | 90.5 | 193.5 | 114.5 | 107.0 | 187.0 | 1631.0 |
| 1975 | 246.5 | 196.0 | 73.5 | 126.0 | 155.0 | 133.0 | 206.0 | 238.0 | 228.5 | 195.0 | 212.5 | 236.0 | 2246.0 |
| 1976 | 112.5 | 150.0 | 117.5 | 127.0 | 122.5 | 124.5 | 81.5 | 343.5 | 517.0 | 102.0 | 248.5 | 95.0 | 2141.5 |
| 1977 | 107.0 | 191.0 | 153.0 | 72.5 | 40.5 | 183.0 | 56.5 | 153.5 | 205.0 | 57.0 | 136.5 | 186.0 | 1541.5 |
| 1978 | 127.5 | 178.5 | 128.0 | 78.0 | 71.0 | 135.0 | 6.0 | 50.5 | 212.5 | 134.5 | 109.5 | 174.5 | 1405.5 |
| 1979 | 111.5 | 144.5 | 74.0 | 90.0 | 128.0 | 127.5 | 82.0 | 87.0 | 224.0 | 263.5 | 179.0 | 111.5 | 1622.5 |
| 1980 | 219.0 | 52.5 | 153.5 | 117.5 | 283.5 | 112.5 | 297.5 | 245.0 | 132.0 | 228.0 | 161.0 | 139.5 | 2141.5 |
| 1981 | 192.5 | 122.0 | 69.0 | 184.5 | 204.5 | 298.5 | 276.0 | 100.5 | 165.5 | 131.0 | 199.0 | 160.5 | 2103.5 |
| 1982 | 257.5 | 131.5 | 125.0 | 126.0 | 121.5 | 48.0 | 113.5 | 289.0 | 220.0 | 78.5 | 134.0 | 97.0 | 1741.5 |
| 1983 | 186.0 | 144.0 | 165.5 | 134.0 | 98.5 | 124.5 | 243.5 | 91.0 | 264.0 | 112.5 | 170.5 | 391.0 | 2125.0 |
| 1984 | 230.5 | 208.0 | 77.5 | 133.0 | 83.0 | 168.5 | 93.0 | 23.5 | 96.0 | 115.5 | 131.0 | 274.0 | 1633.5 |
| 1985 | 197.5 | 174.0 | 197.5 | 195.0 | 133.5 | 251.5 | 247.0 | 13.5 | 298.0 | 76.5 | 141.5 | 111.0 | 2036.5 |
| 1986 | 109.5 | 114.0 | 123.5 | 129.0 | 132.5 | 171.0 | 257.0 | 59.5 | 99.0 | 188.5 | 95.5 | 156.0 | 1635.0 |
| 1987 | 219.5 | 127.5 | 148.0 | 36.5 | 108.5 | 185.0 | 211.0 | 177.0 | 106.0 | 208.0 | 153.0 | 135.5 | 1815.5 |
| 1988 | 120.5 | 244.0 | 185.0 | 122.0 | 163.5 | 258.0 | 302.0 | 207.0 | 194.0 | 151.5 | 180.0 | 135.0 | 2262.5 |
| 1989 | 153.0 | 266.5 | 110.0 | 68.0 | 129.5 | 97.0 | 107.0 | 171.5 | 418.0 | 148.0 | 196.0 | 172.0 | 2036.5 |
| 1990 | 331.5 | 134.0 | 130.0 | 175.0 | 154.5 | 113.0 | 131.0 | 56.5 | 465.5 | 228.0 | 282.5 | 94.0 | 2295.5 |
| 1991 | 217.0 | 178.0 | 220.5 | 143.5 | 84.0 | 192.5 | 228.5 | 77.5 | 81.5 | 164.0 | 148.0 | 216.5 | 1951.5 |
| 1992 | 155.0 | 182.0 | 180.5 | 150.5 | 85.0 | 96.0 | 183.0 | 111.0 | 71.0 | 203.5 | 189.5 | 219.0 | 1826.0 |
| 1993 | 182.5 | 162.5 | 117.5 | 56.5 | 123.5 | 214.5 | 291.5 | 244.0 | 241.0 | 62.0 | 121.0 | 204.5 | 2021.0 |
| 1994 | 144.5 | 170.0 | 99.5 | 53.5 | 125.0 | 84.0 | 7.0 | 56.5 | 395.5 | 79.5 | 113.0 | 181.0 | 1509.0 |
| 1995 | 428.0 | 124.0 | 121.0 | 97.0 | 239.0 | 56.5 | 414.0 | 112.0 | 50.5 | 68.0 | 106.0 | 271.0 | 2087.0 |
| 1996 | 205.5 | 141.0 | 140.5 | 50.5 | 97.5 | 197.5 | 173.5 | 139.0 | 232.5 | 203.0 | 81.5 | 175.0 | 1837.0 |
| 1997 | 164.0 | 113.0 | 69.0 | 99.5 | 215.5 | 131.5 | 462.5 | 130.5 | 284.5 | 89.5 | 152.0 | 163.0 | 2074.5 |
| 1998 | 255.0 | 97.5 | 78.5 | 159.0 | 141.5 | 125.5 | 251.0 | 120.5 | 366.5 | 210.5 | 103.0 | 108.0 | 2016.5 |
| 1999 | 194.0 ) | 241.5 | 143.0 | 93.0 | 122.0 | 260.5 | 81.5 | 59.0 | 248.5 | 149.5 | 178.5 | 232.5 | 2003.5 |
| 2000 | 175.0 | 247.0 | 181.5 | 92.0 | 115.0 | 147.0 | 82.5 | 25.0 | 249.5 | 189.0 | 263.5 | 158.5 | 1925.5 |
| 2001 | 231.0 | 118.5 | 190.5 | 54.0 | 120.0 | 197.0 | 105.0 | 146.0 | 292.0 | 171.5 | 236.5 | 223.5 | 2085.5 |
| 2002 | 272.0 | 151.5 | 161.0 | 77.5 | 105.0 | 67.0 | 129.0 | 136.0 | 137.5 | 129.5 | 166.0 | 244.5 | 1776.5 |
| 2003 | 131.0 | 106.5 | 140.0 | 160.0 | 137.5 | 126.5 | 234.0 | 189.5 | 107.0 | 50.0 | 149.5 | 213.5 | 1745.0 |
| 2004 | 161.5 | 92.0 | 152.5 | 51.0 | 246.0 | 107.0 | 72.0 | 149.0 | 326.5 | 335.5 | 89.5 | 288.5 | 2071.0 |
| 2005 | 156.5 | 237.5 | 175.0 | 42.0 | 69.5 | 87.0 | 231.5 | 94.0 | 122.5 | 163.5 | 232.0 | 392.0 | 2003.0 |
| 2006 | 165.0 | 159.5 | 188.0 | 91.5 | 100.5 | 75.0 | 340.0 | 14.5 | 182.0 | 124.0 | 90.0 | 95.0 | 1625.0 |
| 2007 | 137.0 | 135.5 | 102.5 | 64.0 | 106.5 | 157.0 | 252.5 | 206.5 | 74.0 | 128.0 | 74.0 | 157.0 | 1594.5 |
| 2008 | 215.0 | 215.0 | 174.0 | 173.0 | 145.0 | 220.5 | 129.5 | 166.0 | 103.5 | 43.5 | 160.0 | 155.0 | 1900.0 |
| 2009 | 320.5 | 123.5 | 105.5 | 98.0 | 56.0 | 154.5 | 239.0 | 105.0 | 70.5 | 137.0 | 292.5 | 149.5 | 1851.5 |
| 2010 | 151.0 | 131.5 | 184.0 | 150.0 | 153.5 | 150.5 | 139.5 | 28.0 | 158.5 | 184.5 | 153.5 | 246.0 | 1830.5 |
| 2011 | 252.0 | 102.0 | 147.0 | 101.0 | 366.5 | 174.0 | 114.5 | 149.5 | 462.0 | 94.0 | 93.5 | 319.5 ) | 2375.5 |
| 2012 | 299.5 | 265.5 | 229.5 | 83.0 | 101.5 | 123.5 | 116.0 | 119.5 | 261.0 | 177.0 | 187.0 | 318.0 | 2281.0 |
| 2013 | 142.0 | 119.5 | 57.0 | 80.5 | 39.5 | 105.5 | 129.0 | 264.0 | 394.5 | 320.0 | 171.0 | 225.5 | 2048.0 |
| 2014 | 187.0 | 113.5 | 183.5 | 76.0 | 77.0 | 155.5 | 118.0 | 354.5 | 70.5 | 229.5 | 128.5 | 196.5 | 1890.0 |
| 2015 | 285.0 | 105.5 | 147.0 | 148.5 | 84.5 | 165.0 | 114.0 | 131.5 | 181.0 | 39.0 | 152.5 | 196.5 | 1750.0 |
| 2016 | 183.5 | 167.5 | 70.0 | 112.5 | 94.0 | 160.0 | 73.0 | 149.0 | 326.0 | 94.5 | 120.0 | 245.0 | 1795.0 |
| 2017 | 248.5 | 306.5 | 94.0 | 71.0 | 46.5 | 76.5 | 205.0 | 208.0 | 314.0 | 353.5 | 121.5 | 203.0 | 2248.0 |
| 2018 | 141.5 | 97.0 | 179.5 | 97.0 | 167.0 | 117.5 | 314.5 | 32.0 | 617.0 | 90.0 | 102.5 | 228.0 | 2183.5 |
| 2019 | 118.5 | 95.5 | 148.5 | 119.5 | 51.0 | 167.5 | 154.5 | 133.0 | 79.0 | 215.0 | 87.5 | 167.0 | 1536.5 |
| 2020 | 118.0 | 120.0 | 148.5 | 219.5 | 74.5 | 288.0 | 272.5 | 8.5 | 261.5 | 111.0 | 114.5 | 359.5 | 2096.0 |
| 2021 | 145.0 | 117.0 | 129.5 | 104.5 | 146.0 | 125.5 | 380.0 | 388.5 | 126.0 | 135.0 | 116.0 | 275.0 | 2188.0 |
| 2022 | 140.0 | 187.0 | 93.5 | 129.5 | 48.0 | 87.5 | 239.5 | 127.0 | 179.0 | 108.0 | 78.0 | 117.5 | 1534.5 |
| 2023 | 237.0 | 86.0 | 77.5 | 205.0 ) | 222.0 | 206.0 | 256.0 | 266.0 | 133.5 | 101.5 | 166.0 | 102.0 | 2058.5 |
| 2024 | 242.0 | 166.5 | 150.0 | 168.0 | 127.5 | 170.5 | 280.0 | 73.5 | 22.0 | 223.0 | 234.5 | 191.5 | 2049.0 |
| 2025 | 106.0 | 199.5 | 184.5 | 58.0 | 96.5 | 173.0 | 16.0 | 144.0 | 185.5 | 168.0 | 102.5 | 234.5 | 1668.0 |
| 2026 | 290.5 | 135.5 | 126.0 | 125.0 | 58.0 | 53.0 ] | 788.0 ] |
Remarks
The red lines, if any, indicate data inhomogeneity caused by changes in instrumentation, observation methods and/or site location.