EQUINOX 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 15.7 57 34.5 26481 26206 -3804 41690 49389 1959 -8 16.1 57 33.5 26486 26210 -3808 41670 49375 1960 -8 16.6 57 32.5 26485 26208 -3812 41641 49349 1961 -8 14.8 57 28.3 26530 26255 -3805 41601 49340 1962 -8 14.1 57 25.7 26554 26279 -3803 41568 49325 1963 -8 14.9 57 25.5 26542 26267 -3808 41545 49299 1964 -8 14.0 57 23.6 26562 26288 -3803 41524 49292 1965 -8 13.9 57 23.1 26558 26283 -3801 41503 49272 1966 -8 13.8 57 23.7 26534 26261 -3798 41484 49244 1967 -8 13.5 57 22.8 26532 26259 -3795 41456 49219 1968 -8 13.2 57 22.7 26518 26246 -3791 41432 49191 1969 -8 13.2 57 22.8 26502 26229 -3788 41410 49164 1970 -8 12.6 57 22.5 26492 26220 -3783 41386 49138 1971 -8 11.8 57 21.3 26498 26227 -3778 41364 49123 1972 -8 11.8 57 21.3 26489 26217 -3776 41349 49106 1973 -8 12.7 57 21.7 26475 26203 -3781 41339 49090 1974 -8 13.1 57 21.9 26469 26196 -3783 41334 49082 1975 -8 13.4 57 20.7 26484 26212 -3787 41327 49084 1976 -8 14.3 57 21.5 26474 26200 -3793 41331 49082 1977 -8 14.8 57 20.8 26486 26211 -3799 41331 49089 1978 -8 16.9 57 22.4 26469 26192 -3812 41346 49092 1979 -8 17.9 57 22.9 26464 26187 -3819 41354 49096 1980 -8 18.4 57 22.2 26476 26198 -3825 41354 49103 1981 -8 20.1 57 25.3 26438 26159 -3832 41376 49101 1982 -8 22.4 57 27.7 26413 26131 -3846 41401 49109 1983 -8 23.4 57 27.7 26425 26141 -3855 41418 49129 1984 -8 25.5 57 30.0 26403 26117 -3868 41444 49139 1985 -8 26.8 57 30.8 26405 26118 -3878 41469 49161 1986 -8 28.9 57 32.4 26396 26107 -3892 41500 49183 1987 -8 30.0 57 33.8 26393 26102 -3901 41528 49206 1988 -8 32.8 57 37.4 26356 26063 -3916 41568 49219 1989 -8 36.3 57 42.5 26299 26003 -3935 41614 49228 1990 -8 36.8 57 43.3 26306 26008 -3939 41647 49259 1991 -8 39.4 57 47.0 26273 25974 -3954 41694 49282 1992 -8 39.9 57 47.7 26287 25987 -3960 41735 49324 1993 -8 42.2 57 51.0 26263 25960 -3974 41788 49356 1994 -8 44.6 57 54.4 26238 25932 -3988 41838 49385 1995 -8 46.3 57 56.4 26232 25925 -3999 41882 49419 1996 -8 48.2 57 58.1 26229 25920 -4013 41923 49452 1997 -8 50.0 58 0.4 26213 25901 -4024 41960 49475 1998 -8 51.3 58 3.3 26185 25873 -4030 41995 49490 1999 -8 51.8 58 5.4 26168 25855 -4031 42023 49504 2000 -8 51.7 58 7.1 26148 25836 -4027 42038 49507 2001 -8 50.9 58 7.8 26140 25829 -4020 42044 49507 2002 -8 49.2 58 7.0 26154 25844 -4009 42045 49516 2003 -8 48.2 58 7.3 26152 25844 -4002 42052 49521 2004 -8 45.9 58 5.3 26185 25879 -3990 42049 49536 2005 -8 45.6 58 6.3 26176 25871 -3987 42060 49540 2006 -8 44.8 58 6.3 26183 25878 -3982 42074 49555 2007 -8 44.1 58 7.1 26184 25881 -3977 42097 49577 2008 -8 44.3 58 8.5 26178 25874 -3977 42124 49596 2009 -8 44.3 58 9.3 26182 25878 -3978 42154 49623 2010 -8 45.8 58 11.8 26164 25858 -3986 42191 49645 2011 -8 47.4 58 14.4 26145 25838 -3995 42234 49672 2012 -8 49.9 58 18.3 26114 25804 -4009 42289 49702 2013 -8 50.7 58 18.9 26131 25820 -4018 42334 49749 2014 -8 52.4 58 20.8 26128 25815 -4031 42382 49789 2015 -8 55.7 58 24.5 26100 25784 -4051 42438 49822 2016 -8 57.9 58 25.2 26115 25796 -4069 42482 49867 2017 -9 1.4 58 26.9 26115 25792 -4096 42529 49907 2018 -9 4.0 58 26.5 26141 25815 -4120 42561 49948 2019 -9 7.2 58 26.5 26158 25828 -4146 42590 49982 2020 -9 9.8 58 25.8 26183 25849 -4170 42611 50012 2021 -9 12.6 58 25.8 26197 25859 -4193 42632 50038 2022 -9 15.2 58 26.5 26201 25860 -4213 42659 50063 Seasons are grouped as follows: Winter : January, February, November, December Equinox : March, April, September, October Summer : May, June, July, August