Monthly means, Dombås geomagnetic observatory IAGA code: DOB Geographic latitude: 62° 04',4 N Altitude: 660 m Country: NO Geographic longitude: 09° 06',7 E Elements measured: D,H,Z Year Month Epoche D (° ') D( ° ) H (nT) V (nT) I (° ') I ( ° ) F (nT) X (nT) Y (nT) Notes 1999 1 1999.04 -1 03.6 -1.060 14058.3 48710.2 73 54.1 73.901 50698.3 14055.9 -260.1 1999 2 1999.13 -1 03.1 -1.052 14060.0 48711.1 73 54.0 73.900 50699.7 14057.6 -258.1 1999 3 1999.21 -1 02.1 -1.035 14056.3 48711.0 73 54.2 73.904 50698.5 14054.0 -253.9 1999 4 1999.29 -1 01.5 -1.025 14059.3 48707.4 73 54.0 73.899 50695.9 14057.1 -251.5 1999 5 1999.38 -1 01.4 -1.023 14068.6 48710.6 73 53.4 73.890 50701.6 14066.4 -251.3 1999 6 1999.46 -1 00.5 -1.008 14074.9 48712.5 73 53.0 73.884 50705.1 14072.7 -247.7 1999 7 1999.54 -0 59.4 -0.990 14070.0 48715.1 73 53.4 73.890 50706.3 14067.9 -243.1 1999 8 1999.63 -0 58.2 -0.970 14061.3 48721.0 73 54.1 73.901 50709.5 14059.3 -238.0 1999 9 1999.71 -0 56.6 -0.943 14048.1 48724.6 73 55.0 73.917 50709.3 14046.2 -231.3 1999 10 1999.79 -0 55.7 -0.928 14045.9 48736.9 73 55.4 73.923 50720.5 14044.1 -227.6 1999 11 1999.88 -0 54.8 -0.913 14050.9 48746.6 73 55.2 73.921 50731.2 14049.1 -224.0 1999 12 1999.96 -0 54.9 -0.915 14057.8 48740.9 73 54.7 73.911 50727.7 14056.0 -224.5 2000 1 2000.04 -0 53.5 -0.892 14051.4 48744.7 73 55.2 73.920 50729.6 14049.7 -218.7 2000 2 2000.13 -0 53.3 -0.888 14056.3 48750.0 73 55.0 73.916 50736.0 14054.6 -217.9 2000 3 2000.21 -0 53.2 -0.887 14059.9 48747.5 73 54.7 73.911 50734.6 14058.2 -217.6 2000 4 2000.29 -0 51.3 -0.855 14050.6 48754.0 73 55.4 73.923 50738.3 14049.0 -209.7 2000 5 2000.38 -0 51.0 -0.850 14062.0 48747.4 73 54.5 73.909 50735.1 14060.5 -208.6 2000 6 2000.46 -0 50.6 -0.843 14071.7 48754.7 73 54.0 73.901 50744.8 14070.2 -207.1 2000 7 2000.54 -0 49.3 -0.822 14065.3 48768.1 73 54.7 73.912 50755.9 14063.9 -201.7 2000 8 2000.63 -0 48.0 -0.800 14052.5 48767.5 73 55.5 73.926 50751.8 14051.1 -196.2 2000 9 2000.71 -0 46.9 -0.782 14049.5 48771.9 73 55.8 73.930 50755.2 14048.2 -191.7 2000 10 2000.79 -0 45.8 -0.763 14046.9 48778.0 73 56.1 73.935 50760.3 14045.7 -187.1 2000 11 2000.88 -0 45.0 -0.750 14046.9 48785.7 73 56.2 73.937 50767.7 14045.7 -183.9 2000 12 2000.96 -0 45.4 -0.757 14059.4 48781.7 73 55.3 73.922 50767.3 14058.2 -185.7 2001 1 2001.04 -0 44.7 -0.745 14063.2 48783.9 73 55.1 73.919 50770.5 14062.0 -182.9 2001 2 2001.13 -0 44.0 -0.733 14063.4 48779.3 73 55.0 73.917 50766.1 14062.2 -180.0 2001 3 2001.21 -0 42.4 -0.707 14055.0 48785.2 73 55.7 73.928 50769.5 14053.9 -173.3 2001 4 2001.29 -0 41.0 -0.683 14054.0 48795.7 73 56.0 73.933 50779.3 14053.0 -167.6 2001 5 2001.38 -0 41.4 -0.690 14071.8 48786.0 73 54.6 73.910 50774.9 14070.8 -169.5 2001 6 2001.46 -0 40.9 -0.682 14076.2 48788.5 73 54.4 73.906 50778.5 14075.2 -167.5 2001 7 2001.54 -0 40.1 -0.668 14075.8 48791.8 73 54.5 73.908 50781.6 14074.8 -164.2 2001 8 2001.63 -0 39.0 -0.650 14069.2 48798.1 73 55.0 73.917 50785.8 14068.3 -159.6 2001 9 2001.71 -0 38.1 -0.635 14060.3 48801.3 73 55.7 73.928 50786.4 14059.4 -155.8 2001 10 2001.79 -0 36.4 -0.607 14047.6 48821.6 73 56.9 73.948 50802.4 14046.8 -148.7 2001 11 2001.88 -0 35.1 -0.585 14047.2 48827.8 73 57.0 73.950 50808.2 14046.5 -143.4 2001 12 2001.96 -0 35.8 -0.597 14064.0 48824.6 73 55.9 73.931 50809.8 14063.2 -146.5 2002 1 2002.04 -0 35.0 -0.583 14065.8 48825.2 73 55.7 73.929 50810.9 14065.1 -143.2 2002 2 2002.13 -0 34.0 -0.567 14062.5 48822.4 73 55.9 73.932 50807.3 14061.8 -139.1 2002 3 2002.21 -0 33.6 -0.560 14066.5 48824.2 73 55.7 73.928 50810.1 14065.8 -137.5 2002 4 2002.29 -0 32.8 -0.547 14067.9 48827.2 73 55.6 73.927 50813.4 14067.3 -134.2 2002 5 2002.38 -0 31.3 -0.522 14073.0 48830.7 73 55.4 73.923 50818.2 14072.4 -128.1 2002 6 2002.46 -0 31.4 -0.523 14081.2 48827.9 73 54.8 73.913 50817.8 14080.6 -128.6 2002 7 2002.54 -0 30.2 -0.503 14077.0 48827.3 73 55.1 73.918 50816.0 14076.5 -123.7 2002 8 2002.63 -0 28.5 -0.475 14064.3 48832.4 73 56.0 73.933 50817.4 14063.8 -116.6 2002 9 2002.71 -0 27.8 -0.463 14060.8 48847.1 73 56.5 73.941 50830.6 14060.3 -113.7 2002 10 2002.79 -0 25.4 -0.423 14044.9 48854.6 73 57.7 73.961 50833.4 14044.5 -103.8 2002 11 2002.88 -0 25.1 -0.418 14057.2 48858.9 73 56.9 73.949 50840.9 14056.8 -102.6 2002 12 2002.96 -0 25.3 -0.422 14064.9 48860.2 73 56.5 73.941 50844.3 14064.5 -103.5 2003 1 2003.04 -0 24.3 -0.405 14066.8 48862.3 73 56.4 73.940 50846.8 14066.4 -99.4 2003 2 2003.13 -0 23.1 -0.385 14064.6 48863.9 73 56.6 73.943 50847.8 14064.3 -94.5 2003 3 2003.21 -0 22.1 -0.368 14058.1 48861.5 73 56.9 73.949 50843.6 14057.8 -90.4 2003 4 2003.29 -0 22.0 -0.367 14060.0 48864.4 73 56.9 73.948 50847.0 14059.7 -90.0 2003 5 2003.38 -0 20.9 -0.348 14061.3 48866.6 73 56.8 73.947 50849.4 14061.0 -85.5 2003 6 2003.46 -0 20.7 -0.345 14065.3 48873.4 73 56.7 73.945 50857.1 14065.0 -84.7 2003 7 2003.54 -0 19.5 -0.325 14066.7 48878.1 73 56.7 73.945 50862.0 14066.5 -79.8 2003 8 2003.63 -0 18.2 -0.303 14062.1 48884.0 73 57.1 73.951 50866.4 14061.9 -74.4 2003 9 2003.71 -0 17.9 -0.298 14062.8 48886.5 73 57.1 73.951 50869.0 14062.6 -73.2 2003 10 2003.79 -0 15.6 -0.260 14041.5 48898.0 73 58.7 73.978 50874.1 14041.4 -63.7 2003 11 2003.88 -0 14.7 -0.245 14051.6 48910.3 73 58.3 73.971 50888.8 14051.5 -60.1 2003 12 2003.96 -0 15.0 -0.250 14065.8 48909.4 73 57.3 73.955 50891.8 14065.7 -61.4 2004 1 2004.04 -0 14.0 -0.233 14065.0 48910.9 73 57.4 73.957 50893.0 14064.9 -57.3 2004 2 2004.13 -0 14.2 -0.237 14070.8 48908.7 73 57.0 73.950 50892.5 14070.7 -58.1 2004 3 2004.21 -0 13.1 -0.218 14068.2 48904.9 73 57.1 73.951 50888.1 14068.1 -53.6 2004 4 2004.29 -0 13.1 -0.218 14070.6 48904.1 73 56.9 73.949 50888.0 14070.5 -53.6 2004 5 2004.38 -0 12.4 -0.207 14078.6 48901.2 73 56.3 73.939 50887.5 14078.5 -50.8 2004 6 2004.46 -0 12.3 -0.205 14082.0 48904.5 73 56.2 73.936 50891.6 14081.9 -50.4 2004 7 2004.54 -0 09.5 -0.158 14064.8 48898.9 73 57.2 73.953 50881.4 14064.7 -38.9 2004 8 2004.63 -0 09.7 -0.162 14069.8 48920.2 73 57.3 73.954 50903.3 14069.7 -39.7 2004 9 2004.71 -0 09.0 -0.150 14068.9 48918.4 73 57.3 73.955 50901.3 14068.9 -36.8 2004 10 2004.79 -0 08.5 -0.142 14071.5 48921.5 73 57.2 73.953 50905.0 14071.5 -34.8 2004 11 2004.88 -0 04.8 -0.080 14045.8 48938.7 73 59.2 73.986 50914.4 14045.8 -19.6 2004 12 2004.96 -0 06.0 -0.100 14066.2 48940.4 73 57.9 73.965 50921.7 14066.2 -24.6 2005 1 2005.04 -0 04.0 -0.067 14062.5 48939.2 73 58.1 73.968 50919.5 14062.5 -16.4 2005 2 2005.13 -0 05.1 -0.085 14069.7 48940.2 73 57.6 73.961 50922.5 14069.7 -20.9 2005 3 2005.21 -0 04.5 -0.075 14072.4 48934.4 73 57.4 73.956 50917.7 14072.4 -18.4 2005 4 2005.29 -0 04.1 -0.068 14072.4 48934.9 73 57.4 73.956 50918.1 14072.4 -16.8 2005 5 2005.38 -0 03.1 -0.052 14071.3 48938.6 73 57.5 73.959 50921.4 14071.3 -12.7 2005 6 2005.46 -0 03.2 -0.053 14074.3 48943.2 73 57.4 73.957 50926.6 14074.3 -13.1 2005 7 2005.54 -0 01.7 -0.028 14079.5 48942.0 73 57.0 73.951 50926.9 14079.5 -7.0 2005 8 2005.63 -0 01.0 -0.017 14078.0 48947.9 73 57.2 73.954 50932.2 14078.0 -4.1 2005 9 2005.71 0 00.5 0.008 14066.1 48959.2 73 58.2 73.971 50939.8 14066.1 2.0 2005 10 2005.79 0 00.5 0.008 14074.0 48959.4 73 57.7 73.962 50942.1 14074.0 2.0 2005 11 2005.88 0 01.4 0.023 14074.3 48961.6 73 57.7 73.962 50944.3 14074.3 5.7 2005 12 2005.96 0 02.1 0.035 14077.0 48962.3 73 57.6 73.960 50945.7 14077.0 8.6 2006 1 2006.04 0 02.7 0.045 14079.3 48961.3 73 57.4 73.957 50945.4 14079.3 11.1 2006 2 2006.13 0 03.2 0.053 14081.3 48962.2 73 57.3 73.955 50946.8 14081.3 13.1 2006 3 2006.21 0 04.0 0.067 14079.9 48961.0 73 57.4 73.956 50945.3 14079.9 16.4 2006 4 2006.29 0 04.9 0.082 14075.6 48965.6 73 57.7 73.962 50948.5 14075.6 20.1 2006 5 2006.38 0 05.4 0.090 14085.5 48967.8 73 57.1 73.952 50953.4 14085.5 22.1 2006 6 2006.46 0 06.1 0.102 14088.5 48970.7 73 57.0 73.950 50957.0 14088.5 25.0 2006 7 2006.54 0 06.8 0.113 14089.0 48972.9 73 57.0 73.950 50959.2 14089.0 27.9 2006 8 2006.63 0 08.1 0.135 14082.6 48976.9 73 57.5 73.958 50961.3 14082.6 33.2 2006 9 2006.71 0 08.8 0.147 14082.3 48976.9 73 57.5 73.959 50961.2 14082.3 36.0 2006 10 2006.79 0 09.8 0.163 14080.8 48978.6 73 57.6 73.961 50962.5 14080.7 40.1 2006 11 2006.88 0 10.6 0.177 14080.7 48983.9 73 57.7 73.962 50967.5 14080.6 43.4 2006 12 2006.96 0 12.4 0.207 14074.1 48991.1 73 58.3 73.972 50972.6 14074.0 50.8 2007 1 2007.04 0 12.7 0.212 14082.2 48996.2 73 57.9 73.965 50979.8 14082.1 52.0 2007 2 2007.13 0 13.0 0.217 14084.0 48996.6 73 57.8 73.963 50980.6 14083.9 53.3 2007 3 2007.21 0 13.5 0.225 14084.7 48996.4 73 57.7 73.962 50980.6 14084.6 55.3 2007 4 2007.29 0 14.4 0.240 14085.2 48994.2 73 57.6 73.961 50978.7 14085.1 59.0 2007 5 2007.38 0 14.9 0.248 14091.5 48998.8 73 57.3 73.955 50984.8 14091.4 61.1 2007 6 2007.46 0 15.5 0.258 14096.5 49001.1 73 57.0 73.951 50988.4 14096.4 63.6 2007 7 2007.54 0 16.6 0.277 14093.5 49003.5 73 57.3 73.955 50989.9 14093.3 68.1 2007 8 2007.63 0 17.4 0.290 14093.4 49004.4 73 57.3 73.955 50990.7 14093.2 71.3 2007 9 2007.71 0 18.5 0.308 14089.5 49003.7 73 57.5 73.959 50989.0 14089.3 75.8 2007 10 2007.79 0 19.2 0.320 14088.8 49013.2 73 57.8 73.963 50997.9 14088.6 78.7 2007 11 2007.88 0 20.3 0.338 14090.8 49016.6 73 57.7 73.962 51001.7 14090.6 83.2 2007 12 2007.96 0 21.0 0.350 14091.6 49019.0 73 57.7 73.962 51004.3 14091.3 86.1 2008 1 2008.04 0 21.9 0.365 14090.2 49020.4 73 57.8 73.964 51005.2 14089.9 89.8 Preliminary 2008 2 2008.13 0 23.0 0.383 14088.7 49024.5 73 58.0 73.966 51008.8 14088.4 94.3 2008 3 2008.21 0 23.6 0.393 14087.2 49024.2 73 58.1 73.968 51008.1 14086.9 96.7 2008 4 2008.29 0 24.2 0.403 14091.3 49028.0 73 57.9 73.965 51012.8 14091.0 99.2 2008 5 2008.38 0 24.6 0.410 14098.5 49027.9 73 57.4 73.957 51014.7 14098.1 100.9 2008 6 2008.46 0 25.7 0.428 14100.0 49030.1 73 57.4 73.956 51017.3 14099.6 105.4 2008 7 2008.54 0 26.5 0.442 14100.3 49034.4 73 57.4 73.957 51021.5 14099.9 108.7 2008 8 2008.63 0 27.5 0.458 14097.9 49036.5 73 57.6 73.960 51022.8 14097.4 112.8 2008 9 2008.71 0 28.7 0.478 14095.0 49037.6 73 57.8 73.964 51023.1 14094.5 117.7 2008 10 2008.79 0 29.6 0.493 14094.3 49043.0 73 58.0 73.966 51028.1 14093.8 121.4 2008 11 2008.88 0 28.6 0.477 14090.1 49043.5 73 58.2 73.971 51027.4 14089.6 117.2 2008 12 2008.96 0 29.2 0.487 14089.7 49046.9 73 58.3 73.972 51030.6 14089.2 119.7 2009 1 2009.04 0 31.3 0.522 14098.2 49048.0 73 57.8 73.963 51034.0 14097.6 128.4 2009 2 2009.13 0 32.8 0.547 14098.6 49048.3 73 57.8 73.963 51034.4 14098.0 134.5 2009 3 2009.21 0 33.7 0.562 14099.5 49046.2 73 57.7 73.961 51032.6 14098.8 138.2 2009 4 2009.29 0 34.4 0.573 14101.6 49049.0 73 57.6 73.960 51035.9 14100.9 141.1 2009 5 2009.38 0 35.5 0.592 14104.5 49050.4 73 57.4 73.957 51038.0 14103.7 145.6 2009 6 2009.46 0 36.5 0.608 14107.9 49053.1 73 57.3 73.955 51041.5 14107.1 149.8 2009 7 2009.54 0 37.8 0.630 14104.7 49058.3 73 57.6 73.960 51045.7 14103.8 155.1 2009 8 2009.63 0 38.9 0.648 14103.1 49062.7 73 57.8 73.963 51049.4 14102.2 159.6 2009 9 2009.71 0 39.5 0.658 14101.5 49065.1 73 57.9 73.965 51051.3 14100.6 162.0 2009 10 2009.79 0 40.4 0.673 14100.2 49067.1 73 58.0 73.967 51052.9 14099.2 165.7 2009 11 2009.88 0 41.4 0.690 14101.9 49071.3 73 58.0 73.967 51057.4 14100.9 169.8 2009 12 2009.96 0 42.1 0.702 14104.5 49071.3 73 57.8 73.964 51058.1 14103.4 172.7 2010 1 2010.04 0 43.1 0.718 14102.3 49073.7 73 58.0 73.967 51059.8 14101.2 176.8 2010 2 2010.13 0 44.5 0.742 14099.3 49079.0 73 58.3 73.972 51064.1 14098.1 182.5 2010 3 2010.21 0 44.8 0.747 14101.9 49077.7 73 58.1 73.969 51063.5 14100.7 183.8 2010 4 2010.29 0 46.7 0.778 14095.2 49079.1 73 58.6 73.976 51063.0 14093.9 191.5 2010 5 2010.38 0 47.3 0.788 14103.1 49085.4 73 58.2 73.970 51071.3 14101.8 194.0 2010 6 2010.46 0 48.3 0.805 14105.4 49086.8 73 58.1 73.968 51073.2 14104.0 198.2 2010 7 2010.54 0 49.3 0.822 14104.9 49090.5 73 58.2 73.969 51076.7 14103.4 202.3 2010 8 2010.63 0 50.8 0.847 14096.3 49094.2 73 58.8 73.980 51077.8 14094.8 208.3