28 RESULTS OF MAKERSTOUN OBSERVATIONS, 1845. 
TABLE L.—Ranges for each Civil Day of the Magnetic Declination, and of the Horizontal and Ver- 
tical Components of Magnetie Force, as deduced from all the Observations (Hourly, Term-Day, 
or Extra) made in 1845. 
| Decli- | Hor. | Vert. || Decli- | Hor. | Vert. || Decli- | Hor. | Vert. || Decli- | Hor. | Vert. || Decli- Decli- 
Day. |, nation.| Comp. | Comp. || nation.| Comp. | Comp. | nation.) Comp. | Comp. || nation.| Comp. | Comp. |/ nation. | Comp. | Comp. || nation.] Comp. | Comp. 
} z, 0-0 Oo 7 00 0-0 f 0-0 oo le 00 00 é OO 0 o 00 
| 
| JANUARY. MARCH. May. JULY. | SEPTEMBER. NovEMBER, 
1 ||} 16-11 | 0322 | 0044 || 14-63 | 0251 0074 | 21-21 | 0602 | 0418 || 14-43 | 0435 | 0107 || 15-44 | 0476 | 0097 || 19:92] 0561 | 0109 
2 10°65 | 0151 | 0024 AS nen ae 9°53 | 0252 | 0019 8:70 | 0472 | 0040 | 26:46 | 0763 | 0083 ats nae aes “ 
3 3°81 | 0081 | 0009 | 14:07 | 0451 | 0025 || 12:17 | 0358 | 0022 || 10-87 | 0354 | 0043 || 22:94 | 0487 | 0182 || 12°56| 0225 | 0071 | 
4 4:55 | 0073 | 0016 7-24 | 0199 | 0018 dais Ace oa 14:59 | 0358 | 0032 || 15:20 | 0889 | 0085 || 13°46} 0248 | 0066 4} 
5 ei5c a |e 6:58 | 0172 | 0025 9°93 | 0409 | 0028 || 9°87 | 0323 | 0042 || 16-34 | 0407 | 0077 || 34:39) 0417 | 0214 
6 2°62 | 0095 | 0018 7°40 | 0193 | 0013 || 13:19 | 0400 | 0026 oe nan ate 13°65 | 0416 | 0043 4-87 | 0200 | 0046 
7 7:73 | 0225 | 0029 || 11:36 | 0227 | 0043 || 14:14 | 0448 | 0030 || 15-06 | 6269 | 0081 =F se nae 16°45 | 0358 | 0079 
8 | 5°35 | 0088 | 0015 9:06 | 0269 | 0031 || 12°36 | 0412 | 0035 || 14-76 | 0582 | 0098 || 20°75 | 0540 | 0110 7°18} 0161 | 0032 
9 || 64:96 | 2622 | 0570 ate mee aed 14°56 | 0447 | 0029 || 14-53 | 0368 | 0066 || 11-06 | 0468 | 0064 ce vee a 
10 | 32:09 | 2321 | 0133 || 12-20 | 0505 | 0055 || 11-17 | 0405 | 0030 || 14-69 | 0421 | 0061 || 10-21 | 0351 | 0050 || 18-24] 0175 | 0022 
ll 9°86 | 0193 | 0043 || 14-30 | 0235 | 0026 Jas ee aoe 13°86 | 0451 | 0036 || 16-42 | 0347 | 0045 9°87 | 0210 | 0059 
ESTE eee ee =o 7°48 | 0172 | 0022 || 14-41 | 0339 | 0045 9°38 | 0398 | 0046 | 13-36 | 0399 | 0094 7-11} 0171 | 0024 } 
13 10°21 | 0295 | 0041 || 12-24 | 0244 | 0036 || 12:71 | 0427 | 0043 ie ree ea 14:90 | 0423 | 0052 4:15 | 0153 | 0018 
14 | 10°56 | 0263 | 0037 || 20-99 | 0480 | 0072 || 14:14 | 0469 | 0100 | 12:52 | 0477 | 0027 ane se aoe 5:06) 0154 | 0618 f 
15 || 16-28 | 0449 | 0033 || 17-61 | 0351 | 0067 || 17-26 | 0543 | 0124 | 13-60 | 0361 | 0024 7-58 | 0319 | 0037 4-63) 0161 | 0017 
16 || 5:95 | 0126 | 0033 ote died nee 18:44 | 0799 | 0082 || 12:15 | 0311 | 0041 || 13-89 | 0319 | 0023 ace wee aoe 
17 11°53 | 0273 | 0027 || 16-96 | 0587 | 0092 || 11-20 | 0609 | 0045 || 15-17 | 0877 | 0027 || 35:27 | 0682 | 0107 || 30-61] 0692 | 0169 | 
18 | 6-92 | 0218 | 0014 | 16°66 | 9447 | 0069 dee ie sia 13:99 | 0364 | 0025 || 28:90 | 1182 | 0245 || 21:85) 0351 | 0070 
iC) eee tee ae 18:50 | 0414 | 0122 || 27°30 | 0885 | 0253 || 16°15 | 0392 | 0038 || 20-72 | 0419 | 0102 || 12:30) 0217 | 0043 
20 | 42:00 | 1715 | 0479 || 23-48 | 0792 | 0382 || 15-76 | 0475 | 0035 20°39 | 0545 | 0040 6°82} 0141 | 0028 | 
21 | 21-50 | 0297 | 0049 || 17-65 | 0581 | 0100 || 12-91 | 0441 | oo6e |/11-03 | 0493 | 0029 || ... | ... | .. 
22 || 20-96 | 0819 | 0036 || 14-80 | 0322 | oog4 || 18-07 | 0493 | ooss ||13-05 | 0434 | 0049 | 10-71 | 0308 | 0098 || 12-94| 0368 | 0028 
23 | 20-40 | 0493 | 0066 ae soa «.. || 12-44 | 0386 | 0045 || 15-48 | 0462 | 0028 || 9:08 | 0364 | 0040 ate eT ar, 
24 | 21°38 | 0813 | 0181 || 31:15 | 0973 | 0343 || 14°38 | 0573 | 0038 || 15-17 | 0552 | 0097 | 22°95 | 0496 | 0038 || 15:14] 0381 | 0027 
25 | 30°14 | 0785 | 0121 || 27-75 | 0715 | 0269 oe oa ... || 85°64 | 0788 | 0239 || 35°05 | 1002 | 0461 8-44) 0210 | 0015 
26 || ... une --. || 25°63 | 0568 | 0137 || 819 | 0312 | 0020 || 11:00 | 0344 | 0030 || 11:74 | 0368 | 0090 7°36 | 0316 | 0042 
27 | 18:34 | 0479 | 0092 || 26-67 | 0934 | 0176 || 9-01 | 0337 | 0033 ree sae ... || 34:57 | 0668 | 0185 9:91] 0139 | 0021 J 
28 | 26°70 | 0664 | 0135 || 24-24 | 0326 | 0042 || 9-38 | 0321 | 0027 || 9-06 | 0389 | 0050 10°19} 0571 | 0050 
29 |) 29:95 | 0994 | 0198 || 20-94 | 0384 | 0082 || 10:87 | 0314 | 0036 || 10-90 | 0337 | 0029 || 11-12 | 0266 | 0058 || 16:11) 0392 | 06a | 
30 || 24-67 | 0532 ae aewee ele 0585 | 0053 || 11-23 | 0329 | 0044 || 14-60 | 0256 | oo62 | ... | .. | we 
31 | 558 | 0231 | 0043 || 10-02 | 0311 | 0024 | 34-27 | 0739 | 0112 ||13-55 | 0419 | 0046 
— 
So 
ior] 
or 
i 
a 
oO 
© 
FEBRUARY. APRIL. JUNE. AvuGUST. OcToBER. DECEMBER. 
1 || 9°55 | 0228 | 0024 || 10°34 | 0336 | 0021 ns “53 ... || 34:40 | 1142 | 0173 || 13-52 | 0281 | 0043 5-18 | 0148 | 0022 7 
CN Bee aoe «+» || 12:99 | 0290 | 0034 || 10°76 | 0242 | 0031 || 19°93 | 0396 | 0122 || 8-50 | 0328 | 0061 | 12°13) 0249 | 
3 || 7-73 | 0183 | 0015 | 17-24 | 0426 | 0069 || 10-76 | 0351 | 0041 ae =A ... || 1645 | 0309 | 0055 ||125°61| 4090 | 0543 7 © 
4 |/11-70 | 0164 | 0027 | 14-23 | 0417 | 0024 ||17-66 | 0407 | 0083 || 16-95 | 0745 | 0109 | 8-39 | 0336 | 0079 || 25°12) 1275 
5 | 16-35 | 0315 | 0224 | 13-94 | 0431 | 0033 || 13-22 | 0438 | 0052 || 10-97 | 0448 | 0064 coe 253 oct 10:51 | 0262 
6 || 21:69 | 0370 | 0036 i, lia a 13-37 | 0384 | 0031 || 13-03 | 0445 | 0052 || 11-62 | 0445 | 0057 8:80 | 0221 
7 || 13-11 | 0200 | 0035 || 13-89 | 0473 | 0025 || 16:46 | 0427 | 0047 || 11-42 | 0340 | 0050 || 10-59 | 0312 | 0028 ae et 
8 5°69 | 0136 | 0021 | 13:18 | 0386 | 0044 5 = ..- || 21°60 | 0508 | 0108 || 9:49 | 0316 | 0043 6°86 | 0146 
9 |. a ... | 18:97 | 0472 | 0054 || 19°31 | 0526 | 0068 || 18-97 | 0427 | 0107 || 32:16 | 1650 | 0215 3°79 | 0123 
10 | 13°33 | 0217 | 0035 || 12:34 | 0307 | 0034 || 15-76 | 0514 | 0082 eae since +.» || 27°83 | 0693 | 0197 6°95 | 0150 
11 || 10°15 | 0189 | 0028 || 14-95 | 0344 | 0024 || 11-16 | 0385 | 0061 || 11-63 | 0370 | 0042 || 9-21 | 0308 | 0052 5-28 | 0130 | 0018 f 
12 || 6-05 | 0241 | 0023 | 15-35 | 0347 | 0019 || 14:03 | 0454 | 0043 | 11-44 | 0353 | 0020 coe 5 nat 6-67 | 0231 
13 || 836 | 0325 | 0049 | ... ans “25 12:28 | 0340 | 0059 | 13:03 | 0374 | 0040 || 6-31 | 0265 | 0028 || 33-62] 0514 
14 | 5:00 | 0127 | 0016 || 67-37 | 4200 | 0697 || 15-86 | 0367 | 0045 | 9:37 | 0392 | 0026 | 6-58 | 0207 | 0026 3F 3 ea 
15 326 | 0105 | 0012 || 15-11 | 0398 | 0077 ex ee ... | 19:75 | 0825 | 0104 || 14-61 | 0209 | 0030 || 30-62| 0508 
1 Waco Bes Abs 9:77 | 0297 | 0048 || 12-83 | 0316 | 0042 || 15:49 | 0521 | 0044 || 9-22 | 0311 | 0033 |) 18-64] 0363 
17 |, 10°73 | 0214 | 0039 || 10-10 | 0351 | 0036 || 9:24 | 0374 | 0030 || ... “ae ... || 20°70 | 0378 | 0066 861 | 0230 
18 5:54 | 0118 | 0010 || 19:57 | 0413 | 0090 || 11-14 | 0414 | 0046 || 22-60 | 0575 | 0132 | 13-16 | 0328 | 0016 || 15°59] 0300 
19 5°67 | 0167 | 0017 || 17-59 | 0729 | 0133 || 15-14 | 0405 | 0032 13-36 | 0503 | 0026 | ... see se 3-50| 0101 
20 | 31-51 | 0413 | 0055 a che ... |]15-21 | 0473 | 0035 | 12:65 | 0519 | 0024 || 22-61 | 0430 | 0068 8-21] 0115 
21 | 26°84 | 0360 | 0103 || 13-44 | 0540 | 0131 || 18-42 | 0444 | 0023 | 14°78 | 0475 | 0026 || 52-34 | 0710 | 0142 252 wx . 
22 | 20:00 | 0452 | 0127 || 12-63 | 0416 | 0047 ees acts ... | 15:71 | 0402 | 0033 || 15°63 | 0535 | 0186 5-49| 0143 | 0006 
23 || | 15-47 | 0424 | 0030 | 13:39 | 0438 | 0038 | 19:09 | 0337 | 0042 || 7-02 | 0251 | 0026 6-73 | 0153 | 0021 
= 
oe 
va 
o 
24 | 35-10 | 0734 | 0184 || 16-61 | 0669 | 0074 0431 | 0039 ||... | ... | ... ||1169 | 0282 | 0047 || 7-54| 0132 | 0024 
25 | 2413 | 0305 | 0180 | 18-38 | 0619 | 0107 || 10-17 | 0266 | 0031 | 1615 | 0360 | 0066 || 13-26 | 0335 | 0085 || 4°51| 0164 | 0034 
26 | 21:72 | 0526 | 0204 || 14-90 | 0571 | 0034 || 11-92 | 0428 | 0040 || 16-77 | 0444 | 0094 se “6c ae 5-01| 0119 | 0021 
27 =| 3212 | 0364 | 0081 13-86 | 0349 | 0038 || 11:91 | 0308 | 0025 || 8-20 | 0158 | 0022 6:39 | 0230 | 0033 
28 | 22-00 | o269 | 0102 || 27-56 | 1240 | 0377 | 18-28 | 0473 | 0060 | 12-41 | 0374 | 0034 | 11-27 | 0147 | 0024 
29 14:39 | 0384 | 0051 53-05 | 1145 | 0288 || 8-23 | 0146 | 0037 4:07 | 0172 | 0024 
30 | 16-90 | 0480 | 0090 | 11-29 | 0490 | 0063 || 26-16 | 0974 | 0280 || 7-70 | 0182 | 0017 || 16-99] 0370 | 0078 
| ve NE a ie 0347 | 0033 || 12-76) 0148 
