36 RESULTS OF MAKERSTOUN OBSERVATIONS, 1846. 
TABLE LXV.—Diurnal Range of the Vertical Component of Magnetic Force for each Civil Day, 
as deduced from the 12 Daily Observations, with the Means for each Week in 1846. 
March. 
0-00 
| [0319] 
0211 
0285 
0226 
0281 
0212 
0220 
[0208] 
0276 
0148 
0110 
0206 
2472 
1768 
[1259] 
1469 
1067 
TABLE LXVI.—Means of the Diurnal Ranges of the Vertical Component of Magnetic Force, 
with reference to the Moon’s Age and Declination for 1846. 
ch (0 nnn 
After After 
Moon’s Mean Moon's Mean Moon Mean Moon Mean 
Age. Range. Age. Range. ||farthest| Range. | farthest] Range. 
| North. North. 
Day. 0-00 Day. 0-00 Day. 0-00 Day. 0-00 
15 1207 0 0740 | 0 0874 14 0631 
16 0948 1 0650 1 0860 15 0659 
17 1132 2 1082 2 0583 16 0448 
18 1502 3 0573 3 0542 17 0322 
19 0753 4 0382 4 0505 18 0505 
20 1177 5 0523 5 0917 19 0796 
21 1268 6 O711 6 0685 20 1779 
22 0850 7 0610 7 0711 21 0947 
23 0658 8 1356 8 0817 22 0479 
24 0703 9 0825 9 1043 23 0819 
