3G2 DR. C. CHREE: ANALYSIS OF RESULTS FROM THE KEW MAGNETOGRAPHS 
Table XIII.—Diurnal Inequality of Horizontal 
Hoiir. 
i 
Forenoon. 
1. 
2. 
3. 
4. 
5. 
6. 
7. 
8. 
9. 
10 
11. 
12. 
1 
1 January (1890 to 1900). 
+ 2 
+ 3 
+ 14 
+ 35 
+ 50 
+ 58 
+ 61 
+ 33 
- 2.3 
- 68 
- 92 
- 74 
1 February .. . 
+ 17 
+ 15 
+ 23 
+ 23 
+ 40 
+ 49 
+ 52 
+ 30 
- 32 
- 89 
-115 
- 97 
1 March . 
+ 4.3 
+ 45 
+ 42 
+ 40 
+ 58 
+ 60 
+ 42 
- 18 
-109 
— 175 
-192 
-148 
' April . 
+ 66 
+ 58 
+ .56 
+ 53 
+ 54 
+ 51 
+21 
— 55 
-150 
-237 
-258 
-200 
May ,, . 
+ 69 
+ 46 
+ 41 
+ 29 
+ 15 
-2.3 
-88 
-166 
-219 
-234 
-210 
-142 
June . 
+ 44 
+ 33 
+ 31 
+ 28 
+ 14 
-36 
-98 
-162 
-213 
-233 
-205 
-133 
July ., . 
+ 52 
+ 40 
+ 41 
+ 31 
+ 16 
-30 
-81 
-145 
-207 
-245 
-219 
-156 
August . 
+ 73 
+ 61 
+ 55 
+ 44 
+ 22 
-15 
-81 
-167 
-232 
-252 
-210 
-123 
September .. . 
+ 74 
+ 60 
+ .52 
+ 47 
+ 37 
+ 5 
— 55 
-140 
-215 
-250 
-207 
-103 
October ,, . 
+ 53 
+ 48 
+ 53 
+ 56 
+ 68 
+ 62 
+ 36 
- 29 
-124 
-195 
-203 
-155 
Xovember .. ... 
+ 18 
+ 19 
+ 23 
+ 44 
+ 61 
+ 68 
+ 49 
+ 8 
- 64 
-127 
-132 
-107 
December .. . 
- 9 
- 6 
+ 6 
+ 2.3 
+ 34 
+ 42 
+ 44 
+ 29 
+ 2 
- 38 
- 62 
- 52 
Mean for j ear (1890 to 1900) .... 
+ 42 
+ 36 
+ .37 
+ 38 
+ 39 
+ 24 
- 8 
— 65 
-132 
-179 
— 175 
-124 
„ „ (1890, 1899, 1900). . . 
+ 33 
+ 26 
+ .30 
+ 30 
+ 32 
+ 15 
-10 
— 56 
-109 
-142 
-136 
- 86 
„ ,, (1892 to 189.8) .... 
+ 53 
+ 49 
+ 48 
+ 50 
+ 53 
+ 35 
- 6 
- 77 
-161 
—222 
-225 
-168 
Table XIV.—Diurnal Inequality of Vertical 
Hour. 
Forenoon. 
1. 
o 
3. 
4. 
5. 
6. 
7. 
8. 
9. 
10. 
11. 
12. 
January (1891 to 1900). 
- 3 
- 6 
- 8 
- 7 
-12 
-13 
-16 
-21 
-23 
- 30 
- 32 
- 32 
February . 
+ 1 
- 9 
-10 
- s 
-10 
-11 
-14 
-15 
-IS 
- 45 
- 54 
- 50 
March . 
+ 17 
+ 12 
+ 6 
+ 5 
+ 4 
+ 3 
+ 13 
+ 8 
-25 
- SO 
-123 
-133 
April ,, . 
+ 26 
+ 13 
+ 12 
+ 10 
+ 16 
+ 20 
+ 27 
+ 14 
-34 
- 92 
-154 
-171 
May „ . 
+ 30 
+ 26 
+ 25 
+ 30 
+ 38 
+ 37 
+ 23 
-12 
-69 
-144 
-201 
-209 
June ,, . 
+ 6 
- 2 
+ 1 
+ 4 
+ 14 
+ 7 
- 1 
-28 
-69 
-114 
-158 
-149 
July . 
+15 
+ 3 
- 6 
- 3 
+ 7 
- 8 
-16 
-36 
-73 
-103 
-154 
-165 
August ,, . 
+ 13 
+ 11 
+ 5 
+ 10 
+ 25 
+26 
+ 21 
- 7 
— 55 
-111 
-143 
-150 
September .. . 
+22 
+ 19 
+ 13 
+ 12 
+ 12 
+ 18 
+ 18 
- 9 
— 55 
-112 
-138 
-135 
October . 
+ 12 
+ 6 
+ 4 
+ 6 
- 3 
- 1 
+ 7 
+ 5 
-23 
- 74 
-103 
-101 
November .. . 
0 
0 
^ 2 
- 4 
— 5 
-13 
-18 
-11 
-18 
— 45 
- 51 
- 40 
December ,, . 
+ 4 
+ 2 
+ 1 
+ 2 
+ 3 
- 1 
— 5 
- 9 
-20 
- 33 
-32 
- 31 
Mean for year (1891 to 1900) .... 
+ 12 
+ 6 
+ 3 
+ 5 
+ 7 
+ 5 
+ 3 
-10 
-40 
- 82 
-112 
