EQUINOX MEAN VALUES FOR QUIET DAYS MEMAMBETSU YEAR D I H X Y Z F Deg Min Deg Min nT nT nT nT nT 1958 -8 13.5 57 31.3 26533 26259 -3795 41683 49410 1959 -8 13.7 57 29.8 26544 26270 -3798 41661 49398 1960 -8 13.8 57 28.6 26546 26272 -3800 41632 49375 1961 -8 13.6 57 26.4 26562 26288 -3800 41597 49354 1962 -8 13.5 57 24.9 26567 26293 -3800 41566 49330 1963 -8 13.6 57 23.7 26571 26297 -3802 41542 49313 1964 -8 13.2 57 22.7 26576 26303 -3799 41523 49299 1965 -8 13.1 57 22.0 26573 26300 -3798 41501 49279 1966 -8 13.1 57 22.0 26560 26287 -3796 41481 49255 1967 -8 12.7 57 21.3 26554 26282 -3792 41452 49227 1968 -8 12.2 57 21.1 26543 26271 -3787 41429 49202 1969 -8 11.9 57 20.8 26533 26261 -3783 41405 49176 1970 -8 11.1 57 20.2 26528 26257 -3776 41381 49154 1971 -8 10.7 57 19.9 26521 26250 -3772 41361 49133 1972 -8 10.7 57 19.7 26513 26243 -3771 41345 49115 1973 -8 11.4 57 19.8 26505 26234 -3775 41335 49103 1974 -8 12.1 57 19.8 26502 26230 -3780 41328 49095 1975 -8 12.2 57 19.0 26511 26239 -3782 41323 49095 1976 -8 12.9 57 18.9 26513 26240 -3788 41324 49098 1977 -8 13.5 57 18.8 26518 26245 -3794 41327 49103 1978 -8 15.2 57 20.0 26505 26230 -3804 41340 49107 1979 -8 16.6 57 20.6 26499 26222 -3814 41347 49109 1980 -8 17.3 57 20.5 26502 26225 -3820 41349 49113 1981 -8 18.8 57 22.4 26482 26203 -3828 41369 49119 1982 -8 20.5 57 24.6 26462 26182 -3839 41395 49130 1983 -8 21.9 57 25.6 26456 26174 -3848 41413 49142 1984 -8 23.8 57 27.5 26440 26156 -3860 41438 49155 1985 -8 25.8 57 29.1 26431 26145 -3874 41464 49172 1986 -8 28.0 57 31.2 26415 26127 -3889 41497 49191 1987 -8 29.7 57 32.9 26406 26116 -3900 41527 49212 1988 -8 31.3 57 35.1 26391 26100 -3910 41562 49233 1989 -8 33.5 57 38.4 26361 26067 -3922 41603 49251 1990 -8 35.0 57 40.5 26349 26053 -3932 41640 49277 1991 -8 36.7 57 43.0 26334 26036 -3942 41682 49304 1992 -8 38.6 57 45.7 26319 26019 -3955 41732 49338 1993 -8 40.9 57 49.0 26295 25994 -3968 41783 49369 1994 -8 43.0 57 52.0 26277 25973 -3982 41835 49403 1995 -8 45.1 57 54.6 26260 25954 -3995 41880 49432 1996 -8 47.2 57 56.8 26248 25939 -4009 41919 49459 1997 -8 48.9 57 59.0 26235 25925 -4020 41957 49484 1998 -8 50.2 58 1.6 26212 25901 -4026 41991 49501 1999 -8 50.7 58 3.4 26198 25887 -4027 42018 49516 2000 -8 50.1 58 4.4 26191 25880 -4022 42033 49525 2001 -8 48.8 58 4.5 26192 25882 -4012 42037 49529 2002 -8 47.2 58 4.2 26198 25890 -4001 42039 49534 2003 -8 46.3 58 4.6 26194 25888 -3994 42045 49537 2004 -8 45.1 58 4.0 26205 25900 -3987 42046 49543 2005 -8 44.6 58 4.8 26200 25895 -3982 42058 49551 2006 -8 43.7 58 4.8 26207 25903 -3977 42069 49564 2007 -8 43.4 58 6.2 26198 25895 -3974 42095 49582 2008 -8 43.7 58 7.6 26192 25888 -3974 42123 49602 2009 -8 44.0 58 8.8 26189 25886 -3976 42152 49626 2010 -8 45.3 58 10.8 26179 25874 -3985 42189 49652 2011 -8 46.6 58 13.2 26165 25858 -3992 42232 49680 2012 -8 48.4 58 16.0 26150 25841 -4003 42284 49716 2013 -8 50.1 58 17.8 26148 25838 -4016 42331 49756 2014 -8 52.0 58 19.9 26141 25829 -4029 42379 49793 2015 -8 54.1 58 22.2 26136 25821 -4044 42434 49837 2016 -8 56.9 58 23.5 26141 25823 -4066 42479 49878 2017 -9 0.4 58 25.3 26139 25817 -4092 42526 49917 2018 -9 3.5 58 25.5 26157 25831 -4118 42559 49955 2019 -9 6.6 58 25.5 26175 25845 -4144 42588 49988 2020 -9 9.3 58 24.9 26198 25864 -4168 42608 50018 2021 -9 12.0 58 24.8 26213 25876 -4191 42631 50045 2022 -9 14.3 58 25.3 26221 25881 -4210 42657 50071 Seasons are grouped as follows: Winter : January, February, November, December Equinox : March, April, September, October Summer : May, June, July, August