312 



BEN NEVIS OBSERVATORY. 



Monthly and Annual Mean Values at Ben Nevis Observatory, 4407 feet, and at 

 Fort- William Observatory, 42 feet above Sea Level. 



1891. 



BAROMETER— BEN NEVIS. 





Mid- 

 night. 



1 



2 



3 



4 



5 



6 



7 



S 



9 



10 



11 



12 



13 



14 



15 



16 



17 



IS 



19 



20 



21 



22 



23 



Mid- 

 night. 



.Mean. 



Jan. . 

 Feb. . 

 Mar. . 



5343 

 ■659 

 •121 



5336 

 •659 

 •121 



5-329 

 •656 

 •113 



5 325 

 •652 

 •107 



5-317 

 •650 

 •102 



5-315 



•654 



■104 



5-312 

 •657 

 •105 



5'312 

 •657 

 •112 



5319 

 •660 

 •120 



5-318 

 ■664 

 •124 



5'325 

 •667 

 •125 



5 327 

 ■666 

 •129 



5-327 

 ■663 

 ■130 



5-321 

 ■659 

 •132 



5 313 

 ■646 

 •123 



5-316 



•640 

 ■123 



5-319 

 •633 

 •121 



5-330 

 •645 

 •121 



5-333 

 •651 

 •121 



5-337 

 ■654 

 •123 



5-333 

 •654 

 ■122 



5-336 

 ■658 

 •122 



5-337 

 •661 

 •120 



5-335 

 •663 

 •121 



5-333 

 •664 

 •120 



5-325 

 •656 

 ■11!) 



Apr. . 

 May . 



Juno . 



■373 

 •230 

 •562 



•372 

 •225 

 ■557 



•365 

 •219 

 •551 



■360 

 ■213 

 ■546 



■356 

 •208 

 •543 



•354 

 •204 

 •544 



■355 

 •204 

 •544 



■361 

 •209 

 •547 



•365 

 •211 

 ■550 



•368 

 •215 

 •553 



•373 



■220 

 •554 



•376 

 •223 

 ■556 



•379 

 •228 

 ■557 



•379 

 ■234 



•559 



•331 

 •241 



•561 



•380 

 •243 

 •561 



•375 

 •243 



•560 



•378 

 •240 

 ■558 



•376 

 ■240 

 ■556 



•375 

 •242 

 •556 



•375 

 •249 

 •558 



■371 

 •253 

 •562 



■368 

 ■253 

 •562 



•365 



•251 

 •557 



•359 

 •247 

 •552 



•369 

 •230 

 •554 



July . 

 Aug. . 



Sept. . 



•377 

 •203 



■291 



•370 

 •195 



•289 



•367 

 ■is:) 

 "286 



■361 



•1S2 

 •281 



■360 



•173 

 •277 



•358 



•170 

 ■274 



•362 



■171 

 •273 



•367 

 •177 

 ■282 



•372 

 •181 



■283 



•376 



•187 

 •285 



•381 

 •190 

 •288 



•385 



■196 

 •290 



■339 

 ■199 

 ■295 



■391 

 •202 

 ■298 



•393 

 •201 

 •295 



•394 

 •193 

 •294 



394 

 •198 

 •295 



•392 

 •195 

 ■296 



•391 

 •192 



■297 



•393 

 •191 

 ■298 



•392 

 •191 

 •305 



■396 

 ■190 

 •310 



•394 



•136 

 ■307 



•391 

 •181 

 •307 



•33S 

 •174 

 ■304 



•3S1 

 ■183 



Oct. . 

 Nov. . 

 Dec. . 



•(124 

 185 

 •033 



•029 



•179 

 •082 



•034 

 •172 

 •081 



•031 

 •168 

 •078 



•034 

 •163 

 073 



•036 

 •162 

 •073 



•036 

 •160 

 •076 



•039 



•164 



•081 



•049 

 •166 

 •090 



■051 

 ■163 

 •096 



■053 

 •166 

 ■103 



•059 

 •165 



•106 



■057 

 •156 

 ■102 



•055 

 •147 

 •100 



•058 

 ■144 



•094 



•057 

 •144 

 •090 



■057 

 144 

 •090 



•053 

 •146 

 •033 



■056 

 ■151 



•031 



■056 



■155 

 •032 



•057 

 •157 

 •088 



■054 

 •156 



•089 



•046 

 ■155 



•085 



■053 

 •153 



•036 



•060 

 •150 

 •082 



•049 

 •158 

 •087 



Year . 



5-288 



5-284 



5-280 



5-275 



5-271 



5 271 



5-271 



5276 



5-280 



5-284 



5-287 



5 '290 



5-290 



5-290 



5-288 



5-2S7 



5-286 



5'28fl 



5-287 



5-283 



5-230 



5-291 



5-290 



5-289 



5-286 



5-284 



BAROMETER— FORT-WILLIAM. 



.Ian. 

 Feb. 

 Mar. 



Apr. 

 May 



June 



July 

 Aug. 

 Sept. 



Oct. 



Nov. 

 Dec. 



Year 



9-9.16 

 0-303 

 9-779 



0-041 

 9-796 

 0-072 



9-872 

 •632 

 ■782 



•546 

 •775 

 •663 



9-859 



9-987 9-9S0 9975 



0-301 0301 0-295 



9777 , 9-775 9767 



0-037 i 0-034 0-029 



0-792 9-791 9-7S5 



0-069 0-065 0-061 



9-869 

 •674 

 •780 



9-867 9-861 

 •668 -661 

 •779 , -773 



•550 -554 i -553 

 •770 i -765 J -760 

 •658 [ -662 -658 



9-855 9-853 9"848 



9-963 



0-294 

 9 766 



9 959 

 0-293 

 9-767 



9-952 

 0-298 

 9-774 



9-954 

 0-299 

 9-778 



9-955 

 0-305 

 9-784 



9-956 

 0-308 

 9-V88 



9-9 S2 

 0-312 

 9-790 



9-965 

 0-309 

 9-786 



9-961 

 0-304 

 9-783 



9-951 

 0-290 

 9-777 



9-950 

 0-279 

 9773 



9-952 

 0-263 

 9763 



9-9">7 

 0-270 

 9-764 



0-030 

 9-782 



0-061 



0-025 

 9780 

 0-062 



0-030 

 9-784 

 0-066 



0-032 

 9-784 

 0'034 



0-038 

 9784 



0061 



0-035 

 9-781 

 0-057 



0-033 

 9-779 

 0-051 



0-029 

 9-774 

 0'045 



0-026 

 9772 

 0-043 



0-021 

 9-770 

 0-037 



0-020 

 9-772 

 0-034 



0-003 

 9-769 

 0-029 



0-007 

 9769 

 0-025 



9-862 

 •055 

 ■772 



9-863 

 •652 

 •768 



9-869 

 •655 

 •773 



9-872 

 •653 

 •777 



9-874 

 •663 

 ■781 



9 875 

 •062 

 •732 



9-874 

 ■6S2 



•733 



9-872 

 •659 



•778 



9-874 

 •659 

 •779 



9-872 

 •657 

 ■776 



9-871 

 •653 

 •775 



9-836 

 •654 



•771 



9-866 

 •651 

 •773 



•558 

 •755 

 ■653 



•559 

 •752 

 •651 



•506 

 •755 

 •660 



•571 

 ■754 

 ■665 



■583 

 •760 

 •676 



•534 

 •759 

 •633 



•588 

 ■760 

 •694 



•583 

 •757 

 •696 



•535 



•745 

 •690 



•579 

 -737 

 •631 



•577 

 •729 

 •675 



•573 

 •723 



•636 



•572 

 •724 

 •670 



9-346 



9-844 



9-848 



9 851 



9-355 



9-856 



9-858 



9-855 



9'852 



9-346 



9-343 



9-837 



9-337 



9-383 

 0-272 

 9-763 



9-933 

 0-232 

 9763 



9-974 

 0237 

 9-770 



9-973 



0.294 

 9774 



9-333 

 02)3 

 9775 



9-932 

 0-331 

 9773 



9-330 

 301 

 9773 



9-981 

 0-307 

 9-780 



0-095 

 9-770 

 0-022 



0-017 

 9-773 

 0-025 



0-099 

 9-734 

 0-029 



0-020 

 9-735 

 0-038 



0-023 

 9-815 

 0-046 



0-024 

 9-810 

 0-054 



0-021 

 9 812 

 0-056 



0-022 

 9-313 

 0-063 



9-867 

 •647 

 •772 



9-870 

 ■647 

 •779 



9-873 

 •647 



•784 



9-877 

 ■651 

 •793 



9-334 

 •654 

 •79S 



9-338 

 •654 

 •3)3 



9-387 

 ■650 

 •803 



9-834 

 ■647 

 •800 



•574 

 •725 

 •605 



•533 

 •731 

 •638 



•532 

 •734 

 •637 



•534 

 •733 

 •663 



•531 

 •736 

 •663 



•58) 

 •737 

 "635 



•579 

 •737 

 •632 



■533 

 •736 

 •664 



9-337 



9-842 



9-845 



9-851 



9854 



9-S53 



9-355 



9-357 



TEMPERATURE— BEN NEVIS. 



Jan. 

 Feb. 

 Mar. 



Apr. 

 May 

 June 



July 

 Aug. 

 Sept. 



Oct. 

 Nov. 

 Dec. 



23-0 

 30-6 

 195 



23-0 

 30-5 

 19-3 



22-9 | 



30-6 



19-2 



23 

 30-3 

 192 



23-0 

 30-3 

 19-3 



22-9 

 30-0 

 19'3 



23-2 

 29-8 

 19-3 



23-2 

 297 

 19-1 



23-5 

 29-8 

 197 



23-5 

 29-8 

 20-1 



237 

 30-0 

 20-4 



23-5 

 30-6 

 20-9 



23-5 

 31-2 

 21-3 



23-8 

 31-4 

 21-6 



23-6 

 31-4 

 217 



23-3 

 31-8 

 21-4 



23 2 

 31-9 



207 



22-8 

 31-0 

 20-1 



22-9 

 30'6 

 19-6 



22-8 

 30-7 

 19-8 



23-1 

 30-5 

 19-6 



23-3 

 30-5 

 194 



23 4 



309 

 19 6 



23-2 



317 

 19-4 



23 1 ] 



30-8 



191 



22-9 

 28'5 

 41-1 



227 

 28-3 

 40-9 



227 



28-0 

 41-2 



22-6 

 27-8 

 41-1 



22-5 

 27-9 



41-2 



22-4 

 28-1 

 41-5 



227 

 28-2 

 41-8 



23-1 



28-6 

 422 



23-4 

 297 

 42-6 



24-1 

 297 

 43-3 



247 

 30-4 

 43'8 



25-3 

 31-3 



44-2 



257 

 317 



447 



267 

 31-9 

 45-2 



26-2 

 32-2 

 45-5 



26-1 

 32-4 

 45-4 



25-9 

 32 1 

 45-6 



25"2 

 316 



45-1 



24-9 

 313 



44'8 



24-1 

 308 

 44-0 



247 

 30-0 

 43-1 



23-9 



29-6 

 427 



23-8 

 29-2 

 42-1 



23-6 

 28-9 

 41-6 



23-3 



28-7 

 41-2 



39-6 

 38-3 

 38-5 



39-6 

 38-2 

 38"2 



39-2 

 38-2 

 381 



39"2 

 37-9 

 37-8 



39-3 

 377 

 373 



39-4 

 377 

 37-2 



394 

 377 

 37-3 



36-6 

 377 

 37 3 



40-2 

 38-0 

 377 



40-6 

 38-5 

 38-1 



41-2 

 39-3 

 38-9 



41-6 

 397 

 39-5 



42-0 

 407 

 399 



42-3 

 40-5 

 401 



42-6 

 40-5 

 40-3 



43-0 

 40-8 

 40-4 



42-5 

 40-5 

 40-3 



42 3 



404 

 40-1 



41-8 

 40-1 

 39-7 



412 

 33-8 

 39 4 



407 

 39-4 

 39-3 



40-4 

 391 

 337 



401 

 38-6 

 38-5 



39-8 

 33-4 

 334 



39-7 

 332 

 38-3 



311 



28-0 

 20-4 



31-2 



27-9 

 26-4 



31-2 

 27-8 

 26-3 



31-0 

 27-8 

 26-4 



30-8 



27 -8 

 20-5 



307 

 27-6 

 26-6 



30-8 

 27-4 

 26-4 



307 

 27-1 

 26-3 



31-0 

 27-1 

 26-2 



31-4 

 27-6 

 26-2 



31-8 

 28-0 

 26-2 



320 



28-3 

 26-4 



32-1 

 28-5 

 26-3 



32-4 

 28-6 

 263 



32-4 



28-6 

 26 5 



32-4 

 23-3 

 265 



327 

 28 2 

 26'5 



316 

 28-1 

 26-5 



310 

 287 

 26-6 



31-3 

 28 1 

 26-3 



31-5 

 23-2 

 26-3 



31-4 

 231 

 26-3 



31-4 

 27-8 

 267 



31-5 

 27-8 

 26'3 



31-3 



277 

 263 



1 80-e 



30-5 



30-4 



30-3 



| 30-3 



30-3 



30-3 



30-4 



307 



31-1 



31-5 



31-9 



32"2 



32-5 



32-6 



32-6 



32-5 



32-1 



317 



31-5 



31-3 



31-1 



31-0 



30-8 



306 



TEMPERATURE— FORT-WILLIAM. 



Jan. ". 

 Feb. . 

 Mar. . 



38-6 

 425 

 36 



38-8 

 42-3 

 35-7 



38-8 

 42 1 

 353 



38-8 

 42-0 

 35-1 



38-8 

 41-6 

 34-8 



38-6 

 417 

 34-8 



388 

 417 

 345 



38-7 

 417 

 34-4 



38-8 

 417 

 350 



39-1 

 41-9 

 366 



39 | 

 42-4 ' 

 37-8 



39-4 I 



43-2 



39-0 



397 

 43-0 

 40-2 



40-2 

 44-8 

 40-8 



40-2 

 45-5 

 40-9 



39 9 

 45-7 

 41-3 



39-5 

 45-8 

 41-4 



39-5 

 45-2 



407 



39-2 

 44-4 

 39-4 



39-0 

 43 9 

 38 2 



38-7 

 43-6 

 37-4 



387 

 432 

 377 



38-6 

 42-8 

 36-5 



38-6 

 42-6 

 35-9 



38-7 

 427 

 356 



891 



i :•;■■; 



37'4 



Apr. . 

 May . 

 June . 



393 

 44-4 

 68*6 



39-3 

 43-8 

 524 



383 

 43-2 

 51-8 



38-0 



42-9 

 513 



37-6 

 429 



50-9 



37-4 

 43-0 

 51-4 



37-5 

 43-7 

 52-6 



38'9 

 45-4 

 54 3 



407 

 467 

 55-8 



42-8 

 48-5 

 577 



44-4 

 49-5 

 59-2 



45-3 

 51-0 

 60-6 



46-5 

 519 

 61-2 



47-4 

 53-0 

 62-1 



477 

 53-6 

 62-8 



48'0 

 53-9 

 635 



47 '6 

 54-0 

 63-3 



47 3 

 53-5 

 62-9 



465 

 52-3 

 62-1 



44-9 

 51-0 

 61-2 



43-2 



49 1 

 59-4 



42-0 



47-5 

 57-5 



41-3 

 46-5 

 559 



40-4 

 45-7 

 64-6 



39-6 

 44-7 

 535 



4S"2 



July . 

 Auk. . 

 Sept. . 



54-0 

 53 



537 

 58'2 



52-8 



53-4 

 53-0 

 52-5 



53-2 

 52-5 

 52-6 



53-0 

 52-2 

 52-3 



537 

 523 

 62-1 



53-5 

 526 

 51-7 



54-6 

 53-4 

 52-0 



55-6 



54-3 

 527 



57-0 

 55-8 

 534 



57-9 



r,c-i; 



54-4 



58-7 

 57-5 

 555 



59 3 



58-1 

 56-1 



59-8 

 58'8 

 56'9 



60-4 

 58 

 57-2 



61-0 

 59-1 

 57-3 



60-5 

 59-0 

 571 



60-0 



58-5 

 56-6 



58 -9 

 57-7 

 55 '6 



58-7 

 56-5 

 54-6 



577 

 55-5 

 54-1 



561 

 54-8 

 53'6 



55-2 

 54-4 

 53-0 



547 

 54-0 

 527 



541 

 53-5 

 52-8 



B8-7 

 55'G 



54-1 



Oct. . 

 Nov. . 

 Dec. . 



463 

 41-0 

 409 



46-1 



40-8 

 40-8 



45-4 

 407 



40-4 



45-1 



4IIT> 

 40 4 



45-0 

 40-6 

 40-5 



45-3 



40-6 

 40-5 



45-2 

 40-4 

 40-3 



45 '4 

 40 5 

 40-5 



453 

 40-3 

 40 -a 



45-7 

 40-7 

 40-6 



46-8 

 41-2 

 405 



48-4 

 42'0 

 40-8 



49-0 

 42-6 



41-2 



49-8 

 43 

 42-0 



50-2 

 43-1 

 42 



50-6 

 42-0 

 42-1 



500 

 42-4 

 41-8 



48-9 

 42-1 

 415 



47-5 

 41-5 

 41'0 



47-1 

 41-5 

 40-9 



46-6 

 416 

 40-9 



467 

 41-5 

 40 9 



46-3 



41-4 

 41-0 



46-3 

 41-4 

 40-9 



45-9 



417 

 40 '8 



47-0 

 41-4 



41-0 



Year . 



4.5-2 



45, 



44-6 



44-4 



1 



44-2 



44 2 



44-4 



45-0 



45-0 



46-6 



47-5 



48-4 



49-1 



49 8 



50-2 



50-4 



50-2 



497 



48-8 



43-1 



47-3 



46-6 



46-1 



45-6 



45-2 



ff'O 



