48 
Results of Makekstoun Observations, 1845. 
TABLE XII. — Hourly Means of the Pressure of Aqueous Vapour for each Month in 1845, as 
deduced from Tables II. and VIII. 
Mali. 
M. T. 
.Tan. 
Feb. 
March. 
April. 
May. 
June. 
July. 
Aug. 
Sept. 
Oct. 
Nov. 
Dec. 
h. 
ill. 
in. 
in. 
in. 
in. 
in. 
in. 
in. 
in. 
in. 
in. 
in. 
12 
0-189 
0^177 
0-178 
0^233 
0^274 
0^349 
©•346 
0-349 
0^295 
0-295 
0^241 
0 205 
13 
■188 
•175 
■175 
•231 
•271 
■348 
•339 
•345 
•290 
•299 
•240 
■210 
14 
-186 
• 175 
•176 
•230 
•265 
•343 
•333 
•339 
•289 
•292 
•237 
■207 
15 
•190 
•175 
•174 
•227 
•259 
•339 
•328 
•343 
• 292 
•287 
•236 
■204 
16 
•192 
• 174 
•169 
•225 
•261 
•341 
•332 
•342 
•290 
•287 
•239 
•199 
17 
•191 
• 175 
•171 
•225 
•264 
•352 
■337 
•345 
•288 
•284 
•240 
•198 
18 
•192 
•174 
•174 
•234 
•271 
•366 
•354 
■350 
•293 
•283 
•239 
•198 
19 
•191 
•173 
•177 
•243 
•276 
•371 
•361 
■363 
•308 
•284 
•236 
•198 
20 
•191 
•174 
■179 
•255 
•279 
•383 
•366 
•369 
•327 
•290 
•241 
•198 
21 
•191 
•178 
■185 
• 261 
•282 
•387 
•367 
•373 
•337 
•300 
•246 
•203 
22 
•198 
•177 
■ 180 
•266 
•286 
•386 
■372 
•376 
•342 
•304 
•254 
•211 
23 
•201 
•186 
• 180 
•270 
•285 
•392 
■372 
•380 
•344 
•308 
•258 
•209 
0 
•208 
•188 
•180 
•271 
•281 
•394 
■377 
•387 
•342 
•312 
•267 
•213 
1 
•213 
•190 
•180 
•269 
•290 
•391 
■368 
•383 
•341 
•305 
•264 
•214 
2 
•211 
■193 
•179 
•268 
•290 
■394 
■374 
■382 
•333 
•308 
•267 
•213 
3 
-207 
■190 
• 182 
•265 
•284 
•391 
■369 
•378 
•328 
•308 
•262 
•213 
4 
-202 
•180 
•187 
•261 
•282 
■389 
-372 
•383 
•333 
•303 
• 260 
■208 
5 
•198 
•181 
•184 
•261 
•281 
■388 
•371 
•388 
•328 
•299 
•253 
•208 
6 
•191 
•180 
■184 
•258 
•275 
■384 
-367 
•392 
•326 
■296 
•247 
•207 
7 
•190 
•181 
•185 
•255 
•274 
•384 
•365 
•384 
•320 
•294 
•245 
•207 
8 
■191 
•179 
•182 
•253 
•270 
•379 
•361 
•374 
■315 
•293 
•244 
•208 
9 
•191 
•178 
•181 
•244 
•269 
•368 
•358 
•365 
■309 
■291 
•245 
•209 
10 
■193 
■176 
•181 
• 240 
■268 
•362 
-351 
•359 
■304 
•288 
•242 
•204 
11 
•191 
■ 172 
•179 
•239 
■268 
•354 
-347 
•351 
•301 
•288 
•245 
•200 
TABLE XIII. — Hourly Means of the Pressure of Aqueous Vapour for each Astronomical Quarter, 
and for the Year 1845. 
Blak. 
M. T. 
Nov. 
Dec. 
Jan. 
Feb. 
March. 
April. 
May. 
June. 
July. 
Aug. 
Sept. 
Oct. 
Year. 
Mak. 
M. T. 
Nov. 
Dec. 
Jan. 
Feb. 
March. 
April. 
May. 
June. 
July. 
Aug. 
Sept. 
Oct. 1 
Year. 
h. 
in. 
in. 
in. 
in. 
in. 
II. 
in. 
in. 
in. 
in. 1 
in. 
12 
0-212 
0196 
0-323 
0313 
0-261 
0 
0^229 
0-213 
0-351 
0-347 i 
0^285 
13 
•213 
•194 
-319 
•311 
-259 
1 
•230 
-213 
•350 
•343 i 
■284 
14 
•210 
•194 
-314 
•307 
-256 
2 
•230 
-213 
■353 
•341 
■284 
15 
•210 
•192 
-309 
•307 
-254 
3 
•227 
•212 
■348 
•338 : 
■2S1 
16 
•210 
•189 
■311 
•306 
-254 
4 
•223 
•209 
■348 
■340 1 
• 280 
17 
•210 
•190 
•318 
•306 
-256 
5 
•220 
•209 
■ 347 
■338 i 
•278 
18 
•210 
•194 
•330 
•309 
-261 
6 
•215 
•207 
•342 
■338 
•276 
19 
•208 
•198 
■336 
•318 
-265 
7 
•214 
•207 
•341 
■333 1 
•274 
20 
•210 
•203 
■343 
•329 
-271 
8 
•214 
•205 
•337 
■327 1 
•271 
21 
• 213 
•208 
■345 
•337 
-276 
9 
•215 
•201 
•332 
•322 \ 
■267 
22 
•221 
•208 
■348 
•341 
•279 
10 
•213 
• 199 
■327 
■317 
■264 
23 
• 223 
•212 
■350 
•344 
•282 
11 
•212 
•197 
■323 
■313 1 
•261 
