SUMMER 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 13.7 57 31.3 26534 26260 -3797 41686 49414 1959 -8 13.9 57 29.9 26541 26267 -3799 41659 49395 1960 -8 14.0 57 28.2 26552 26278 -3802 41631 49377 1961 -8 13.9 57 26.4 26560 26286 -3802 41596 49352 1962 -8 13.2 57 24.1 26578 26304 -3800 41562 49332 1963 -8 13.5 57 23.0 26580 26306 -3802 41538 49314 1964 -8 13.3 57 22.5 26579 26305 -3800 41522 49299 1965 -8 13.0 57 21.9 26575 26302 -3798 41500 49279 1966 -8 12.9 57 21.4 26568 26295 -3795 41477 49256 1967 -8 12.9 57 21.8 26549 26276 -3793 41454 49226 1968 -8 12.3 57 20.7 26548 26276 -3788 41426 49202 1969 -8 11.8 57 20.2 26541 26269 -3783 41401 49177 1970 -8 11.4 57 20.1 26530 26259 -3779 41381 49155 1971 -8 10.8 57 19.5 26525 26254 -3773 41358 49133 1972 -8 10.8 57 19.4 26517 26247 -3773 41344 49116 1973 -8 11.4 57 19.4 26511 26240 -3776 41334 49105 1974 -8 11.9 57 19.5 26507 26236 -3779 41329 49098 1975 -8 12.4 57 19.1 26509 26237 -3784 41323 49095 1976 -8 13.0 57 18.7 26516 26243 -3789 41324 49099 1977 -8 13.8 57 18.7 26518 26245 -3795 41328 49104 1978 -8 15.2 57 19.7 26511 26235 -3805 41341 49111 1979 -8 16.3 57 19.8 26511 26235 -3814 41344 49113 1980 -8 17.5 57 20.3 26505 26228 -3822 41349 49115 1981 -8 18.6 57 21.7 26494 26216 -3829 41367 49124 1982 -8 20.3 57 23.5 26476 26196 -3839 41388 49132 1983 -8 22.0 57 25.3 26462 26180 -3850 41413 49145 1984 -8 24.0 57 27.5 26441 26157 -3862 41439 49156 1985 -8 25.7 57 28.8 26434 26148 -3874 41462 49172 1986 -8 27.8 57 30.5 26424 26136 -3889 41492 49192 1987 -8 29.7 57 32.3 26413 26123 -3901 41522 49212 1988 -8 31.3 57 34.7 26397 26105 -3911 41561 49235 1989 -8 33.2 57 37.6 26373 26080 -3922 41599 49255 1990 -8 34.7 57 39.9 26358 26063 -3931 41637 49279 1991 -8 37.2 57 43.4 26329 26031 -3946 41686 49304 1992 -8 38.6 57 45.4 26323 26023 -3955 41729 49338 1993 -8 40.6 57 48.1 26308 26007 -3968 41779 49372 1994 -8 43.0 57 51.7 26281 25977 -3982 41834 49404 1995 -8 45.0 57 54.2 26267 25960 -3995 41877 49433 1996 -8 47.1 57 56.4 26254 25945 -4009 41917 49460 1997 -8 49.0 57 58.8 26236 25926 -4021 41956 49484 1998 -8 50.4 58 1.7 26211 25899 -4027 41993 49501 1999 -8 50.4 58 2.6 26208 25897 -4027 42012 49516 2000 -8 50.2 58 4.0 26196 25885 -4023 42031 49526 2001 -8 48.6 58 3.8 26201 25892 -4012 42035 49532 2002 -8 47.2 58 3.8 26204 25896 -4002 42037 49535 2003 -8 46.4 58 4.7 26194 25888 -3995 42048 49539 2004 -8 45.2 58 3.7 26208 25902 -3988 42043 49542 2005 -8 44.5 58 4.6 26203 25899 -3983 42058 49553 2006 -8 43.8 58 4.8 26207 25903 -3977 42069 49564 2007 -8 43.5 58 6.1 26201 25898 -3974 42095 49584 2008 -8 43.5 58 7.1 26198 25895 -3974 42120 49603 2009 -8 44.1 58 8.8 26190 25887 -3977 42152 49626 2010 -8 45.3 58 10.8 26179 25873 -3985 42190 49652 2011 -8 46.6 58 12.9 26169 25863 -3993 42231 49682 2012 -8 48.4 58 16.0 26150 25841 -4004 42285 49717 2013 -8 50.3 58 18.0 26145 25835 -4017 42333 49756 2014 -8 51.7 58 19.4 26150 25837 -4028 42377 49796 2015 -8 54.2 58 22.0 26139 25824 -4045 42432 49837 2016 -8 57.0 58 23.5 26141 25823 -4067 42478 49877 2017 -9 0.2 58 24.8 26146 25824 -4092 42523 49918 2018 -9 3.5 58 25.3 26159 25833 -4118 42557 49954 2019 -9 6.5 58 25.3 26178 25847 -4144 42587 49989 2020 -9 9.4 58 24.5 26202 25868 -4169 42606 50018 2021 -9 12.1 58 24.6 26216 25879 -4192 42630 50046 2022 -9 14.3 58 24.8 26227 25887 -4211 42655 50073 Seasons are grouped as follows: Winter : January, February, November, December Equinox : March, April, September, October Summer : May, June, July, August