MAGNETIC DISTUEBANCES AT KEW. 



287 



results from sunspot maximum years for V, when equal weight was allotted to the 

 individual days. 



10. Table IX. gives mean diurnal inequalities for the year and the three seasons 

 for the northerly component N, the westerly component W, and the inclination I, 

 based on the whole 209 days. 



TABLE IX. Diurnal Inequalities of Northerly and Westerly Components (Unit O'ly) 



and of Inclination. 



Element. 



Hour . . . 



Year . 

 i Winter 

 Equinox 

 Summer 



\V 



Forenoon. 



+ 78 +88 



+14 +22 



+ 108 l + 93 



+ 116 +146 



I . 



Year . 

 Winter 

 Equinox 

 Summer 



Year . 

 Winter 

 Equinox 

 Summer 



-246 -197 

 -227 -176 



-181 



-181 

 -235 



-0-51 ] -0-75 



-0-16 | -0-34 



-0-72 ] -0-74 



-0-65 -1-17 



+ 112 

 + 42 

 + 157 

 + 136 



-163 

 -127 

 -158 

 -205 



-1-01 

 -0-59 

 -1-17 

 -1-26 



+ 76 

 + 81 

 + 55 

 + 94 



- 86 -6 



+ 60 

 + 86 

 + 122 

 - 29 



- 31 



-107 

 -120 



-1-02 

 -0-96 

 -0-70 

 -1-40 



+ 50 



- 45 



- 24 



-1-05 



-1-06 

 -1-16 

 -0-93 



+ 24 - 38 -123 

 + 82 + 74 i + 48 



+ 86 

 - 98 



- 19 

 + 89 



- 31 

 -115 



-0-75 

 -1-09 



-0-92 

 -0-23 



+ 27 

 -212 



- 77 

 -339 



- 34 - 83 



+ 110 + 76 



-48 - 76 



-164 I -250 



-0-19 +0-53 

 -1-02 ! -0-74 

 + 0-34 

 + 0-85 



-231 

 - 30 

 -227 

 -436 



-'75 

 + 52 

 - 56 

 -221 



+ 1-23 

 -0-16 

 + 1-23 

 + 2-62 



-299 

 - 73 

 -295 

 -529 



+ 2 

 + 95 

 + 46 

 -136 



-139 

 -313 

 -514 



+ 113 



+ 128 

 + 187 

 + 23 



+ 1-53 +1-53 

 + 0-02 +0-I6 



+ 1-47 

 + 3-08 



+ 1-27 

 +2-85 



12. 



-285 

 -147 

 -292 

 -413 



+ 252 

 + 208 

 + 323 

 + 224 



+ 1-11 

 + 0-40 

 + 0-97 

 + 1-95 



Element. 



N. 



Hour 



Year . . 

 Winter . 

 Equinox 

 S umiuer 



Year . . 

 Winter . 



Equinox 

 Summer 



Afternoon. 



-197 

 -136 

 -202 

 -255 



Year . . 

 Winter . 

 Equinox 

 Summer 



+331 

 + 233 

 + 420 

 + 339 



+ 0'5 

 +0-47 

 +0-41 

 + 1-06 



- 77 



-136 

 - 9 



+ 372 



+ 430 

 +421 



+ 0-14 

 + 0-30 

 +0-25 

 -0-14 



6 



- 38 



- 45 

 + 63 



+ 320 

 + 212 



+ 344 

 + 404 



+ 0-16 

 + 0-39 

 +0-20 

 -0-13 



+ 63 

 - 69 

 + 19 

 +240 



+244 

 + 158 

 + 219 

 + 355 



+0-17 

 +0-90 

 +0-26 

 -0-64 



+ 136 

 o 



+ 85 

 +323 



+ 189 

 + 86 

 + 166 

 +314 



-0-12 

 + 0-57 

 +0-09 

 -1-02 



+ 169 

 + 31 

 + 128 

 +347 



-r 73 



- 22 

 + 40 

 + 200 



-0-16 

 + 0-51 

 +0-13 

 -1-10 



+ 202 

 + 30 

 + 163 

 + 411 



- 16 



- 66 

 -124 

 + 143 



-0-35 



+ 0-S6 



+ 0-08 



1-69 



+ 158 

 + 18 

 + 127 

 + 329 



-143 

 -109 

 -269 

 - 52 



O'll 

 + 0-56 

 + 0-28 

 -1-18 



+ 128 ! + 79 



+ 94 



+ 105 



+ 21 

 + 122 



+ 186 + 95 



-241 

 -100 



-0-03 

 +0-26 

 +0-07 

 -0-41 



-191 

 -251 



- 55 



-0-08 

 + 0-50 

 -0-24 

 -0-49 



12. 



Average 



departure 



from the 



mean. 



+ 118 + 87 524 

 + 21 + nil 241 



+ 113 



+ 220 



-236 

 -281 

 -215 

 -211 



-0-38 

 + 0-45 

 -0-47 

 -1-13 



+ 76 476 

 + 130 940 



-190 ; 618 



-185 554 



-175 ! 698 



-209 749 



131 



60 



132 



236 



158 

 147 

 181 

 202 



-0-54 2-58 0-5 



-0'23 j 1-99 0-53 



-0-56 2-64 0-59 



-0-82 | 4-77 1-20 

 I 



