SUMMER MEAN VALUES FOR QUIET DAYS CHICHIJIMA YEAR D I H X Y Z F Deg Min Deg Min nT nT nT nT nT 1973 -3 2.5 36 38.0 32566 32520 -1728 24216 40582 1974 -3 3.8 36 37.0 32574 32527 -1740 24206 40583 1975 -3 4.0 36 34.3 32597 32550 -1743 24185 40589 1976 -3 5.0 36 31.9 32625 32577 -1754 24170 40602 1977 -3 5.7 36 29.4 *1 32653 32605 -1762 24154 *1 40614 *1 1978 -3 7.2 36 28.0 32672 32624 -1778 24148 40627 1979 -3 7.2 36 25.9 *2 32699 *2 32650 *2 -1779 *2 24136 40642 *2 1980 -3 8.3 36 24.2 32727 32677 -1791 24132 40662 1981 -3 9.7 36 24.5 32727 32677 -1805 24137 40665 1982 -3 10.9 36 24.8 32738 32687 -1816 24149 40681 1983 -3 11.7 36 26.1 32742 32690 -1824 24170 40697 1984 -3 14.6 36 27.9 32735 32683 -1851 24193 40705 1985 -3 14.5 36 28.6 32751 32698 -1852 24214 40731 1986 -3 16.7 36 30.0 32757 32703 -1872 24240 40751 1987 - *3 36 30.9 32769 - *3 - *3 24261 40773 1988 - *3 - *4 - *4 - *3 - *3 - *4 - *4 1989 -3 19.2 *3 36 34.9 *4 32767 *4 32712 *3 -1897 *3 24318 *4 40805 *4 1990 -3 20.8 36 37.1 32769 32713 -1912 24352 40827 1991 -3 22.6 36 40.3 32759 32702 -1929 24393 40843 1992 -3 23.7 36 43.0 32766 32708 -1940 24438 40876 1993 -3 25.1 36 46.9 32768 32709 -1953 24497 40913 1994 -3 26.3 36 51.9 32751 32691 -1964 24559 40936 1995 -3 27.6 36 55.5 32748 32688 -1976 24611 40965 1996 -3 29.4 36 58.9 32745 32683 -1993 24659 40991 1997 -3 31.0 37 2.8 32731 32669 -2008 24706 41008 1998 -3 32.7 37 7.3 32698 32636 -2022 24748 41007 1999 -3 33.7 37 9.7 32693 32630 -2031 24781 41024 2000 -3 34.8 37 12.5 32667 32603 -2040 24802 41017 2001 -3 34.9 37 13.0 32663 32599 -2041 24808 41015 2002 -3 35.5 37 14.2 32652 32588 -2046 24817 41011 2003 -3 36.0 37 16.1 32626 32561 -2049 24825 40996 2004 -3 36.9 37 15.4 32632 32568 -2057 24821 40999 2005 -3 37.9 37 16.8 32620 32554 -2066 24831 40995 2006 -3 39.1 37 17.3 32622 32556 -2077 24842 41004 2007 -3 40.7 37 18.6 32619 32552 -2093 24859 41013 2008 -3 42.6 37 20.0 32626 32558 -2111 24884 41032 2009 -3 44.8 37 21.7 32627 32557 -2132 24911 41050 2010 -3 47.9 37 24.0 32625 32554 -2162 24945 41069 2011 -3 51.5 37 26.0 32632 32558 -2196 24978 41094 2012 -3 54.5 37 28.8 32629 32553 -2224 25018 41117 2013 -3 59.0 37 30.2 32649 32570 -2268 25055 41155 2014 -4 2.1 37 30.3 32683 32602 -2300 25083 41198 2015 -4 6.7 37 31.5 32697 32613 -2344 25112 41227 2016 -4 10.6 37 32.0 32721 32634 -2383 25139 41263 2017 -4 15.2 *5 37 32.4 *5 32744 *5 32654 *5 -2428 *5 25161 *5 41296 2018 -4 18.8 37 31.6 32774 32682 -2465 25172 41326 2019 -4 22.4 37 29.8 32809 32713 -2502 25172 41352 2020 -4 26.4 37 26.4 32855 32756 -2544 25156 41380 *6 2021 -4 29.9 37 24.0 32883 32782 -2579 25141 41393 2022 -4 32.8 37 22.4 32906 32802 -2608 25134 41407 *1 From 1977/05/01 to 1977/07/31 are missed. *2 From 1979/07/18 to 1979/08/16 are missed. *3 From 1987/04/01 to 1989/01/22 are missed. *4 From 1988/04/01 to 1989/01/22 are missed. *5 From 2017/08/10 to 2017/09/22 are missed. *6 From 2020/07/01 to 2020/09/29 are missed. Seasons are grouped as follows: Winter : January, February, November, December Equinox : March, April, September, October Summer : May, June, July, August