SUMMER MEAN VALUES FOR DISTURBED DAYS MEMAMBETSU YEAR D I H X Y Z F Deg Min Deg Min nT nT nT nT nT 1958 -8 15.3 57 34.0 26492 26217 -3804 41691 49396 1959 -8 16.0 57 32.7 26499 26224 -3810 41668 49380 1960 -8 15.8 57 30.4 26516 26241 -3810 41635 49361 1961 -8 14.9 57 27.8 26539 26264 -3807 41599 49344 1962 -8 13.8 57 25.0 26563 26289 -3802 41564 49327 1963 -8 14.4 57 24.2 26562 26287 -3806 41540 49306 1964 -8 13.8 57 23.2 26569 26295 -3803 41524 49296 1965 -8 13.5 57 22.5 26565 26292 -3800 41501 49275 1966 -8 13.7 57 22.6 26549 26276 -3799 41479 49247 1967 -8 14.4 57 23.6 26520 26246 -3800 41459 49215 1968 -8 13.4 57 22.4 26523 26250 -3793 41432 49194 1969 -8 12.5 57 21.4 26523 26251 -3786 41405 49171 1970 -8 12.6 57 21.9 26502 26230 -3784 41386 49144 1971 -8 11.5 57 20.4 26512 26241 -3777 41361 49128 1972 -8 12.2 57 21.3 26489 26218 -3779 41349 49106 1973 -8 12.4 57 20.8 26490 26218 -3781 41337 49096 1974 -8 13.3 57 21.1 26482 26210 -3787 41333 49088 1975 -8 12.9 57 19.9 26498 26225 -3786 41325 49090 1976 -8 13.8 57 19.8 26499 26225 -3792 41326 49091 1977 -8 14.5 57 19.6 26505 26231 -3799 41329 49098 1978 -8 17.3 57 22.6 26468 26191 -3815 41351 49095 1979 -8 16.9 57 20.9 26494 26217 -3816 41347 49107 1980 -8 18.2 57 21.5 26487 26209 -3825 41352 49108 1981 -8 20.3 57 24.3 26456 26176 -3836 41375 49110 1982 -8 22.2 57 26.1 26436 26154 -3848 41395 49117 1983 -8 23.0 57 26.7 26440 26157 -3854 41415 49135 1984 -8 24.9 57 28.6 26423 26138 -3867 41441 49148 1985 -8 26.5 57 29.9 26418 26131 -3878 41466 49166 1986 -8 28.7 57 31.8 26404 26115 -3892 41496 49184 1987 -8 30.4 57 33.7 26393 26102 -3904 41528 49205 1988 -8 32.1 57 36.0 26378 26085 -3914 41565 49229 1989 -8 34.8 57 39.5 26343 26048 -3930 41604 49243 1990 -8 36.6 57 42.0 26326 26029 -3941 41643 49267 1991 -8 39.1 57 46.3 26285 25985 -3953 41694 49287 1992 -8 40.3 57 47.6 26289 25988 -3963 41735 49325 1993 -8 41.6 57 49.6 26285 25982 -3972 41783 49363 1994 -8 43.8 57 52.9 26263 25958 -3986 41836 49396 1995 -8 45.8 57 55.2 26251 25944 -3999 41880 49426 1996 -8 47.5 57 56.9 26246 25937 -4011 41919 49458 1997 -8 49.6 57 59.8 26222 25911 -4023 41958 49478 1998 -8 51.7 58 3.5 26184 25871 -4033 41997 49491 1999 -8 51.3 58 3.7 26193 25880 -4031 42016 49511 2000 -8 51.3 58 5.9 26166 25854 -4026 42035 49514 2001 -8 49.4 58 4.7 26187 25878 -4016 42037 49527 2002 -8 48.0 58 4.9 26187 25879 -4005 42039 49528 2003 -8 47.9 58 6.6 26165 25857 -4001 42051 49527 2004 -8 46.2 58 5.6 26181 25874 -3991 42049 49533 2005 -8 45.8 58 6.6 26171 25865 -3987 42063 49540 2006 -8 44.3 58 5.5 26195 25891 -3979 42070 49559 2007 -8 43.8 58 6.4 26195 25892 -3976 42096 49580 2008 -8 43.9 58 7.7 26190 25887 -3976 42122 49601 2009 -8 44.3 58 9.0 26186 25882 -3978 42152 49624 2010 -8 46.1 58 11.7 26165 25859 -3989 42192 49646 2011 -8 47.3 58 13.8 26155 25848 -3996 42233 49676 2012 -8 49.0 58 16.9 26136 25827 -4006 42286 49711 2013 -8 51.5 58 19.7 26120 25808 -4022 42338 49747 2014 -8 52.2 58 20.1 26138 25826 -4031 42380 49793 2015 -8 55.5 58 23.8 26110 25794 -4051 42436 49825 2016 -8 57.6 58 24.3 26128 25809 -4070 42478 49871 2017 -9 0.8 58 25.6 26135 25812 -4094 42526 49914 2018 -9 4.1 58 26.3 26144 25817 -4121 42560 49949 2019 -9 7.0 58 25.9 26168 25838 -4146 42588 49985 2020 -9 9.7 58 25.0 26195 25861 -4171 42607 50016 2021 -9 12.5 58 25.0 26209 25871 -4194 42630 50043 2022 -9 14.9 58 25.5 26215 25874 -4213 42655 50067 Seasons are grouped as follows: Winter : January, February, November, December Equinox : March, April, September, October Summer : May, June, July, August