Year,Value,United Kingdom (Country),Temp,Jun-Aug,(°C)
1940,14.454
1941,14.63
1942,13.869
1943,13.905
1944,14.233
1945,14.331
1946,13.589
1947,15.769
1948,13.524
1949,14.862
1950,14.508
1951,13.613
1952,14.134
1953,13.927
1954,12.777
1955,15.087
1956,12.819
1957,14.323
1958,13.841
1959,14.937
1960,14.117
1961,13.685
1962,12.879
1963,13.242
1964,13.434
1965,12.912
1966,13.548
1967,14.101
1968,13.805
1969,14.426
1970,14.365
1971,13.637
1972,12.926
1973,14.293
1974,13.37
1975,15.211
1976,15.827
1977,13.42
1978,13.235
1979,13.518
1980,13.501
1981,13.729
1982,14.531
1983,15.271
1984,14.854
1985,13.179
1986,13.363
1987,13.479
1988,13.719
1989,14.87
1990,14.608
1991,14.147
1992,14.334
1993,13.533
1994,14.474
1995,15.678
1996,14.347
1997,15.112
1998,13.824
1999,14.489
2000,14.213
2001,14.416
2002,14.423
2003,15.753
2004,14.772
2005,14.781
2006,15.764
2007,14.104
2008,14.473
2009,14.737
2010,14.665
2011,13.722
2012,13.879
2013,15.152
2014,14.892
2015,14.019
2016,14.91
2017,14.762
2018,15.815
2019,15.151
2020,14.73
2021,15.291
2022,15.799
2023,15.408
2024,14.538
2025,16.136