ANNUAL 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 26260 -3796 41684 49412 1959 -8 13.8 57 29.9 26541 26267 -3799 41660 49396 1960 -8 13.9 57 28.5 26547 26273 -3801 41633 49376 1961 -8 13.7 57 26.4 26561 26287 -3801 41598 49354 1962 -8 13.4 57 24.6 26571 26297 -3800 41565 49331 1963 -8 13.6 57 23.5 26574 26300 -3802 41541 49314 1964 -8 13.2 57 22.7 26577 26303 -3800 41523 49299 1965 -8 13.0 57 21.9 26575 26302 -3798 41500 49279 1966 -8 12.9 57 21.7 26565 26292 -3795 41479 49256 1967 -8 12.7 57 21.6 26550 26277 -3792 41454 49227 1968 -8 12.4 57 21.1 26543 26271 -3788 41429 49202 1969 -8 11.8 57 20.6 26536 26265 -3783 41404 49177 1970 -8 11.2 57 20.2 26529 26258 -3777 41382 49154 1971 -8 10.7 57 19.7 26523 26252 -3773 41360 49133 1972 -8 10.8 57 19.6 26515 26245 -3772 41345 49117 1973 -8 11.3 57 19.6 26508 26237 -3775 41335 49104 1974 -8 11.9 57 19.5 26506 26234 -3779 41329 49097 1975 -8 12.3 57 19.2 26509 26237 -3783 41324 49095 1976 -8 13.0 57 18.9 26514 26242 -3788 41324 49098 1977 -8 13.7 57 18.8 26517 26244 -3794 41328 49103 1978 -8 15.2 57 19.9 26507 26232 -3804 41341 49108 1979 -8 16.4 57 20.3 26504 26228 -3813 41346 49111 1980 -8 17.4 57 20.6 26501 26224 -3821 41351 49114 1981 -8 18.6 57 22.0 26489 26210 -3828 41368 49122 1982 -8 20.4 57 24.2 26467 26187 -3839 41392 49131 1983 -8 22.0 57 25.6 26458 26176 -3849 41414 49144 1984 -8 23.9 57 27.5 26440 26156 -3861 41439 49155 1985 -8 25.8 57 29.0 26431 26145 -3874 41464 49172 1986 -8 27.9 57 31.0 26418 26130 -3889 41495 49191 1987 -8 29.6 57 32.6 26410 26120 -3900 41526 49213 1988 -8 31.3 57 35.0 26393 26101 -3910 41562 49234 1989 -8 33.3 57 38.1 26367 26073 -3922 41602 49254 1990 -8 34.8 57 40.1 26354 26059 -3932 41639 49278 1991 -8 36.9 57 43.2 26331 26033 -3944 41684 49304 1992 -8 38.6 57 45.8 26318 26018 -3955 41732 49337 1993 -8 40.7 57 48.6 26301 25999 -3968 41782 49370 1994 -8 43.0 57 51.9 26278 25974 -3982 41834 49403 1995 -8 45.0 57 54.4 26263 25957 -3995 41878 49433 1996 -8 47.2 57 56.7 26250 25942 -4009 41918 49459 1997 -8 49.0 57 59.0 26235 25924 -4020 41957 49484 1998 -8 50.2 58 1.6 26212 25901 -4026 41992 49501 1999 -8 50.6 58 3.1 26202 25890 -4027 42016 49516 2000 -8 50.1 58 4.2 26193 25882 -4022 42032 49525 2001 -8 48.7 58 4.3 26195 25886 -4012 42037 49531 2002 -8 47.2 58 4.1 26199 25892 -4001 42039 49535 2003 -8 46.3 58 4.7 26194 25888 -3994 42047 49538 2004 -8 45.2 58 4.2 26202 25897 -3988 42046 49542 2005 -8 44.6 58 4.7 26201 25896 -3982 42059 49552 2006 -8 43.8 58 4.9 26206 25902 -3977 42070 49564 2007 -8 43.5 58 6.2 26199 25896 -3974 42096 49583 2008 -8 43.5 58 7.4 26195 25892 -3974 42122 49603 2009 -8 44.1 58 8.8 26190 25886 -3977 42153 49626 2010 -8 45.2 58 10.8 26180 25875 -3984 42189 49652 2011 -8 46.5 58 13.0 26167 25861 -3992 42231 49681 2012 -8 48.3 58 15.9 26151 25843 -4003 42284 49717 2013 -8 50.1 58 17.9 26147 25837 -4016 42332 49756 2014 -8 51.9 58 19.8 26144 25831 -4029 42379 49795 2015 -8 54.2 58 22.1 26137 25822 -4045 42433 49837 2016 -8 56.9 58 23.5 26141 25823 -4066 42479 49878 2017 -9 0.3 58 25.0 26144 25822 -4092 42524 49918 2018 -9 3.4 58 25.4 26158 25832 -4118 42558 49954 2019 -9 6.5 58 25.4 26176 25846 -4144 42587 49989 2020 -9 9.3 58 24.8 26198 25865 -4169 42608 50018 2021 -9 12.0 58 24.8 26213 25876 -4191 42631 50045 2022 -9 14.3 58 25.1 26223 25883 -4210 42657 50073 Seasons are grouped as follows: Winter : January, February, November, December Equinox : March, April, September, October Summer : May, June, July, August