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