|
|
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1963 | 122.5 | 142.4 | 185.1 | 74.9 | 34.9 | 559.8 ] | |||||||
| 1964 | 62.6 | 56.2 | 48.0 | 121.4 | 177.4 | 158.8 | 153.9 | 253.2 | 331.1 | 40.6 | 96.9 | 37.1 | 1537.2 |
| 1965 | 101.1 | 54.9 | 28.9 | 47.4 | 197.6 | 114.1 | 302.5 | 186.5 | 166.9 | 110.5 | 63.4 | 146.6 | 1520.4 |
| 1966 | 50.7 | 101.0 | 183.4 | 194.3 | 148.3 | 271.6 | 102.0 | 76.5 | 209.0 | 203.5 | 23.7 | 0.8 | 1564.8 |
| 1967 | 29.1 | 4.4 | 53.5 | 232.9 | 107.5 | 204.0 | 207.1 | 126.0 | 283.2 | 119.6 | 81.7 | 21.3 | 1470.3 |
| 1968 | 9.0 | 19.5 | 67.5 | 65.5 | 329.0 | 124.0 | 200.5 | 366.0 | 77.0 | 73.0 | 24.0 | 144.5 | 1499.5 |
| 1969 | 16.0 | 100.5 | 84.0 | 70.5 | 159.0 | 143.0 | 137.0 | 123.0 | 71.0 | 208.5 | 95.5 | 17.0 | 1225.0 |
| 1970 | 63.5 | 17.5 | 81.5 | 60.0 | 265.5 | 88.5 | 40.0 | 103.5 | 171.5 | 81.5 | 153.0 | 20.0 | 1146.0 |
| 1971 | 137.5 | 130.0 | 35.0 | 64.0 | 89.5 | 155.5 | 244.5 | 178.0 | 188.5 | 294.0 | 10.5 | 28.5 | 1555.5 |
| 1972 | 179.5 | 145.0 | 96.5 | 105.5 | 148.5 | 67.0 | 204.0 | 213.5 | 168.0 | 104.0 | 192.5 | 124.5 | 1748.5 |
| 1973 | 77.5 | 17.5 | 46.0 | 106.0 | 135.0 | 67.0 | 8.5 | 35.0 | 280.0 | 151.0 | 69.0 | 10.5 | 1003.0 |
| 1974 | 23.0 | 47.5 | 48.0 | 172.5 | 132.5 | 381.5 | 146.0 | 43.5 | 226.5 | 115.5 | 97.5 | 26.0 | 1460.0 |
| 1975 | 52.5 | 80.5 | 139.5 | 61.5 | 118.0 | 96.0 | 87.5 | 31.0 | 120.0 | 134.5 | 242.0 | 13.5 | 1176.5 |
| 1976 | 7.5 | 96.5 | 48.0 | 87.5 | 88.0 | 148.0 | 41.5 | 201.5 | 291.5 | 261.0 | 111.0 | 54.0 | 1436.0 |
| 1977 | 3.5 | 19.0 | 142.5 | 120.5 | 387.0 | 226.5 | 201.5 | 267.0 | 267.5 | 20.5 | 163.5 | 47.0 | 1866.0 |
| 1978 | 34.5 | 21.5 | 132.5 | 90.0 | 172.5 | 164.0 | 26.0 | 63.5 | 80.5 | 104.5 | 28.5 | 2.5 | 920.5 |
| 1979 | 45.0 | 179.0 | 72.0 | 181.0 | 155.0 | 61.0 | 133.0 | 283.5 | 160.5 | 319.5 | 185.0 | 47.5 | 1822.0 |
| 1980 | 43.5 | 11.5 | 117.5 | 116.5 | 116.5 | 88.5 | 364.5 | 408.5 | 83.5 | 153.0 | 64.5 | 169.5 | 1737.5 |
| 1981 | 28.0 | 32.0 | 77.5 | 181.5 | 141.5 | 209.0 | 86.5 | 309.0 | 168.5 | 254.0 | 26.5 | 25.0 | 1539.0 |
| 1982 | 35.5 | 9.5 | 102.5 | 257.0 | 162.5 | 125.5 | 111.0 | 276.5 | 185.5 | 138.5 | 152.0 | 21.5 | 1577.5 |
| 1983 | 11.5 | 85.5 | 131.0 | 116.5 | 99.5 | 321.0 | 295.5 | 197.0 | 314.5 | 77.0 | 50.5 | 19.0 | 1718.5 |
| 1984 | 25.5 | 60.5 | 49.5 | 236.0 | 111.5 | 121.0 | 225.0 | 82.0 | 295.5 | 127.5 | 30.0 | 15.0 | 1379.0 |
| 1985 | 13.0 | 97.0 | 78.0 | 157.5 | 64.0 | 50.0 | 210.0 | 85.0 | 198.5 | 121.5 | 159.0 | 9.5 | 1243.0 |
| 1986 | 24.0 | 33.5 | 77.0 | 126.5 | 127.5 | 248.5 | 210.0 | 252.5 | 111.0 | 116.5 | 75.5 | 55.5 | 1458.0 |
| 1987 | 36.0 | 19.5 | 146.5 | 33.5 | 121.0 | 62.5 | 177.5 | 328.5 | 140.0 | 49.0 | 52.0 | 14.5 | 1180.5 |
| 1988 | 17.0 | 16.0 | 127.0 | 194.0 | 108.5 | 171.0 | 217.0 | 455.0 | 160.5 | 74.5 | 61.5 | 4.5 | 1606.5 |
| 1989 | 92.0 | 47.5 | 73.0 | 321.0 | 90.5 | 125.5 | 73.0 | 146.5 | 241.5 | 99.5 | 102.0 | 53.0 | 1465.0 |
| 1990 | 14.5 | 155.5 | 51.5 | 301.5 | 89.0 | 165.5 | 258.5 | 244.0 | 261.0 | 193.0 | 279.0 | 68.0 | 2081.0 |
| 1991 | 8.0 | 128.5 | 44.5 | 37.0 | 84.0 | 151.5 | 250.0 | 311.5 | 220.5 | 370.5 | 49.5 | 22.0 | 1677.5 |
| 1992 | 26.0 | 6.5 | 76.5 | 155.0 | 177.5 | 206.5 | 170.0 | 67.5 | 129.0 | 156.5 | 46.5 | 66.0 | 1283.5 |
| 1993 | 39.5 | 81.0 | 35.0 | 56.0 | 140.0 | 220.5 | 267.0 | 187.5 | 396.0 | 143.0 | 132.5 | 36.5 | 1734.5 |
| 1994 | 14.0 | 59.5 | 130.0 | 21.0 | 281.0 | 140.5 | 53.5 | 63.0 | 532.0 | 58.5 | 5.5 | 38.5 | 1397.0 |
| 1995 | 41.5 | 17.5 | 171.5 | 194.5 | 93.0 | 207.0 | 124.5 | 276.5 | 171.5 | 67.5 | 64.0 | 16.0 | 1445.0 |
| 1996 | 13.0 | 5.5 | 144.0 | 50.5 | 174.5 | 209.0 | 110.0 | 133.0 | 177.5 | 48.5 | 105.5 | 25.0 | 1196.0 |
| 1997 | 47.0 | 35.0 | 57.0 | 84.5 | 150.0 | 341.5 | 57.0 | 22.0 | 398.0 | 53.5 | 388.5 | 27.0 | 1661.0 |
| 1998 | 106.5 | 43.5 | 53.0 | 104.5 | 146.5 | 155.5 | 180.5 | 651.5 | 163.5 | 231.5 | 31.0 | 44.5 | 1912.0 |
| 1999 | 26.5 | 49.5 | 125.0 | 150.5 | 268.5 | 288.0 | 402.0 | 121.5 | 258.0 | 140.0 | 55.5 | 2.5 | 1887.5 |
| 2000 | 81.5 | 14.5 | 126.0 | 256.5 | 320.5 | 53.5 ) | 174.5 | 22.5 | 171.5 | 90.5 | 103.5 | 20.5 | 1435.5 |
| 2001 | 39.0 | 14.0 | 98.0 | 11.5 | 104.5 | 157.5 | 168.0 | 274.0 | 131.0 | 171.5 | 32.0 | 17.0 | 1218.0 |
| 2002 | 174.5 | 5.0 | 168.0 | 23.0 | 115.5 | 103.5 | 375.0 | 196.5 | 148.5 | 202.5 | 113.0 | 17.5 | 1642.5 |
| 2003 | 152.5 | 27.0 | 180.5 | 109.0 | 67.0 | 139.0 | 553.5 | 174.0 | 46.0 | 108.0 | 170.5 | 41.5 | 1768.5 |
| 2004 | 56.0 | 39.0 | 28.5 | 158.0 | 119.0 | 230.0 | 158.5 | 150.0 | 119.5 | 225.0 | 67.5 | 87.5 | 1438.5 |
| 2005 | 68.5 | 58.5 | 98.5 | 64.5 | 84.5 | 88.0 | 259.5 | 123.0 | 158.5 | 97.5 | 62.5 | 60.5 | 1224.0 |
| 2006 | 13.5 | 71.0 | 114.5 | 182.0 | 205.5 | 173.5 | 180.5 | 65.0 | 246.0 | 246.5 | 161.5 | 153.0 | 1812.5 |
| 2007 | 127.5 | 56.0 | 82.0 | 78.5 | 217.0 | 173.0 | 264.0 | 124.0 | 135.0 | 103.0 | 52.0 | 74.5 | 1486.5 |
| 2008 | 16.0 | 17.5 | 69.5 | 117.5 | 147.5 | 131.5 | 196.0 | 367.0 | 140.0 | 114.0 | 38.5 | 53.5 | 1408.5 |
| 2009 | 100.0 | 54.0 | 132.0 | 239.0 | 86.0 | 252.5 | 147.0 | 110.5 | 20.5 | 182.5 | 127.0 | 108.5 | 1559.5 |
| 2010 | 50.0 | 24.0 | 92.0 | 265.0 | 258.0 | 166.0 | 171.5 | 78.0 | 215.5 | 158.0 | 27.0 | 315.0 | 1820.0 |
| 2011 | 8.5 | 38.0 | 2.5 ] | 126.5 ) | 169.0 | 104.0 | 95.5 | 30.0 | 309.5 | 184.5 | 37.0 | 43.0 | 1148.0 ] |
| 2012 | 20.0 | 53.5 | 98.0 | 140.5 | 276.5 | 184.5 | 78.5 | 28.0 | 125.0 | 155.5 ) | 224.0 | 128.0 | 1512.0 |
| 2013 | 26.0 | 23.0 | 11.5 | 162.5 | 48.0 | 45.5 | 412.0 | 79.5 | 119.5 | 260.5 ) | 41.5 | 55.0 | 1284.5 |
| 2014 | 12.5 | 80.5 | 177.0 ) | 105.5 | 123.5 | 280.0 | 190.0 ) | 157.5 ] | 163.0 ) | 192.0 | 92.5 | 144.5 | 1718.5 ] |
| 2015 | 36.0 | 29.5 | 184.5 | 137.0 | 82.0 | 165.5 | 67.5 | 293.5 | 354.5 | 59.5 | 182.5 | 82.5 | 1674.5 |
| 2016 | 83.5 | 58.5 | 18.5 | 176.0 | 116.0 | 313.0 | 107.0 | 408.0 | 157.5 | 86.0 | 37.0 | 47.5 | 1608.5 |
| 2017 | 17.0 | 17.0 | 35.0 | 126.0 | 123.5 | 146.5 | 160.0 | 234.0 | 325.5 | 193.5 | 14.0 ) | 33.0 | 1425.0 |
| 2018 | 35.0 | 62.0 | 252.0 | 110.0 | 177.5 | 98.5 | 67.5 | 253.0 | 184.5 | 130.0 | 113.5 | 35.0 | 1518.5 |
| 2019 | 3.0 | 32.0 | 79.5 | 138.0 | 159.5 | 207.5 | 136.5 | 298.0 | 60.0 | 508.0 | 68.0 | 32.0 | 1722.0 |
| 2020 | 97.0 | 28.5 | 129.0 | 294.0 | 101.5 | 98.0 | 314.0 | 138.0 | 228.0 | 100.0 | 15.0 | 11.0 | 1554.0 |
| 2021 | 19.0 | 84.5 | 151.0 | 197.0 | 110.0 | 162.0 | 195.5 | 219.0 | 285.0 | 122.5 | 100.0 | 60.0 | 1705.5 |
| 2022 | 24.5 | 24.0 | 142.5 | 86.0 | 144.5 | 124.5 | 379.0 | 169.0 | 125.0 | 115.0 | 47.5 | 33.5 | 1415.0 |
| 2023 | 19.0 | 36.5 | 183.5 | 106.0 | 98.0 | 168.0 | 92.0 | 206.0 | 217.5 | 93.0 | 96.0 | 77.5 | 1393.0 |
| 2024 | 200.5 | 37.0 | 147.5 | 104.5 | 89.5 | 97.5 | 215.0 | 301.5 | 231.5 | 78.5 | 84.5 | 14.5 | 1602.0 |
| 2025 | 20.0 | 2.5 | 61.5 | 181.0 | 265.0 ] |
Remarks
The red lines, if any, indicate data inhomogeneity caused by changes in instrumentation, observation methods and/or site location.