362 



BEN NEVIS OBSERVATORY. 



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

 Fort- William Observatory, 42 feet above Sea Level. 



1901 



BAROMETER— BEN NEVIS. 





Mid- 

 night. 



1 



2 



3 



4 



5 



6 



7 



8 



9 



10 



11 



12 



13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 



Mid- 

 night. 



.Mi 



Jan. . 

 Feb. . 

 .Mar. . 



5229 



•411 

 ■146 



5-227 

 •408 

 •141 



5-225 

 •404 

 •134 



5-222 

 •398 

 •126 



5 "221 1 

 •395 

 •121 



5-221 

 •392 

 •118 



5-222 

 ■392 

 US 



5-227 

 ■396 

 •120 



5-231 

 •398 

 •123 



5-238 

 •403 

 •124 



5-243 

 •405 

 ■131 



5"242 

 •410 



•134 



5-234 

 ■409 

 •139 



5-229 

 •406 

 •137 



5-224 

 •401 

 •135 



5-224 

 394 

 131 



5-225 

 ■394 

 •132 



5-228 

 •395 

 •131 



5-231 

 •397 

 135 



5-232 

 •400 

 •139 



5-234 

 •399 

 •145 



5-236 



•400 

 •147 



5-238 

 •400 

 •148 



5-236 

 •395 

 •145 



5-232 

 •394 

 •143 



•"' 



Apr. . 

 May . 

 June . 



•154 

 •5S8 

 •416 



•148 

 •582 

 •414 



•140 

 •577 

 •410 



•136 

 •571 

 •405 



■131 

 •572 

 •402 



•129 

 •572 



■407 



•131 

 •570 

 •415 



•135 

 •571 

 •418 



139 



•577 

 ■424 



•142 

 ■580 

 ■427 



•151 

 •582 

 •430 



•155 

 •585 

 •435 



•160 

 •587 

 •437 



■165 

 ■587 

 •443 



■166 

 •586 

 •443 



•168 

 •590 

 ■443 



•174 

 ■587 

 •442 



180 

 •578 

 •443 



•185 

 •576 

 •442 



•188 

 •574 

 ■446 



•192 



■580 

 •447 



•193 

 •580 

 •448 



•193 

 •575 

 '449 



•188 

 •571 

 •446 



■188 

 •667 

 •439 





July . 

 Aug. . 

 Sept. . 



•560 

 •44-2 

 •343 



•556 

 •436 

 •336 



•551 

 •430 

 •327 



•547 

 •427 

 •322 



•545 



•420 

 ■317 



•544 

 •422 

 •316 



•544 

 •423 

 •316 



■549 

 •428 

 •318 



•554 

 •434 

 •322 



•559 

 ■440 

 •32S 



•561 

 •442 

 ■333 



•563 

 •445 

 •333 



•568 

 •447 

 •333 



■570 

 •450 

 •340 



•571 

 ■453 

 •340 



■569 

 •451 

 341 



•566 

 •449 

 •336 



•563 

 •445 

 ■342 



564 

 444 

 •342 



■564 

 •444 

 •343 



■566 

 ■447 

 ■348 



•567 

 •448 

 •349 



■567 

 •445 

 •351 



■565 

 •443 

 •344 



•563 

 •439 



■342 





Oct. . 

 Nov. . 

 Dec. . 



•248 



•480 



4-918 



•241 



•476 



4-917 



"238 



•476 



4-914 



■234 



■471 

 4-910 



•230 



•468 

 4-9U6 



•230 



■466 



4904 



•234 



•464 

 4-903 



■238 



•470 

 4-901 



■246 



•474 



4-906 



•249 



■478 

 4'910 



•249 



•478 

 4-915 



■251 



•480 



4-916 



•252 



•477 

 4-911 



•252 



•470 



4-908 



•254 



•462 



4-910 



•254 



•463 



4-903 



•252 



•462 

 4-907 



■259 



•462 



4-911 



•262 



■466 

 4-914 



•264 



•463 

 4-916 



•266 



•466 



4916 



•264 



•468 

 4-915 



•264 



•469 

 4-908 



•262 



•467 



4-906 



•259 

 •488 



4-903 



1 

 4) 



Year . 



5-328 



5-324 



5-319 



5314 



5-311 



5-310 



5311 



5314 



5-319 



5-323 



5-327 



5 329 



5-330 



5-330 



5-329 



5-328 



5-327 



5-328 



5-330 



5-332 



5-334 



5-335 



5-334 



5-331 



5-328 



;'■' 



BAROMETER— FORT-WILLIAM. 



Jan. 

 Feb. 

 Mar. 



Apr. 

 May 

 June 



July 

 Aug. 

 Sept. 



Oct. 

 Nov. 

 Dec. 



Year . 



9-867 

 0093 

 9-774 



9861 

 0-089 

 9-767 



9-859 

 088 

 9-761 



9-855 

 0-083 

 9-753 



9-S50 

 0-079 

 9-748 



9-852 

 0-077 

 9 748 



9855 

 0075 

 9-746 



9-855 

 0-078 

 9-747 



9-864 

 0-084 

 9-749 



9-873 

 0-086 

 9-749 



9-878 

 000 

 9-749 



9-879 

 0-091 

 9-751 



9'870 

 0-088 

 9-748 



9-S59 

 0-081 

 9742 



9-854 

 0-072 

 9-737 



9-851 

 0-007 

 9 732 



9-859 

 0-006 

 9-729 



9-850 

 0-067 

 9732 



9-801 

 0-070 

 9-740 



9-859 

 0-072 

 9-748 



9-869 

 0-072 

 9755 



9-871 

 0-072 

 9-761 



9872 

 0-072 

 9-764 



■715 



0-126 

 9-953 



■711 

 0-122 

 9-951 



•705 

 0-121 

 9-947 



•701 

 0-120 

 9944 



•697 

 0-122 

 9 945 



•696 

 0-124 

 9-949 



•698 



0-127 

 9-955 



•701 

 0-127 

 9-959 



701 



0-128 

 9961 



■701 

 0-122 

 9-961 



•704 

 0-117 

 9-961 



■704 

 0-110 

 9-958 



•703 

 0-li:4 

 9-960 



•7*5 



0-096 

 9-957 



•706 

 0-091 

 9-955 



■709 

 0-085 

 9-953 



■711 

 0080 

 9-952 



•714 

 0-075 

 9-953 



•722 

 0077 

 9-956 



•729 



0-080 

 9-961 



•743 

 0-089 

 9-965 



•748 

 0-094 

 9-972 



■752 



0-099 

 9-978 



0-1-27 



9-935 



•829 



0-024 



9-926 



•827 



0-021 



9-923 



■825 



0-017 



9-917 



•818 



0-015 

 9-913 



•817 



0-015 



9-912 



•813 



0-020 



9-918 



•816 



0-024 



9-925 



■823 



0027 



9-929 



•828 



0-025 



9-930 



•826 



0-023 



9-930 



•826 



0-017 



9 931 



•820 



0-017 



9-931 



•818 



0-014 



9-931 



•814 



0-012 



9-930 



•810 



0-008 



9-927 



■804 



0-005 



9-925 



•801 



0-002 



9-922 



•802 



0-004 



9-925 



•807 



0-008 



9-926 



•814 



0-014 



9 935 



■825 



0-020 



9 937 



•827 



0-026 



9-93S 



•828 



•795 



0-102 

 9-492 



•789 

 0096 

 9-491 



•785 

 0-094 

 9492 



•778 

 0-091 

 9-489 



•773 

 0-088 

 9 485 



•771 

 0-084 

 9-482 



•777 

 0-087 

 9-481 



•782 

 0-089 

 9-480 



•787 

 0-097 

 9-4S3 



•792 



0-099 

 9-487 



•795 

 0-102 

 9-495 



■792 



o-ioo 



9-496 



•790 

 0-095 

 9-489 



•787 

 0-082 

 9-484 



•784 

 0-075 

 9-481 



•783 



fl-072 

 9-480 



•785 

 0-073 

 9-484 



■788 

 0-075 

 9-485 



•797 

 0-082 

 9-488 



•802 



0-083 

 9491 



•805 



0-085 

 9-491 



•807 



0-084 

 9-489 



•809 

 0-086 

 9-482 



9-892 



9-888 



9-885 



9-880 



9-878 



9-877 



9-880 



9-882 



9-886 



9-888 



9-889 



9-887 



9-884 



9-879 



9-876 



9-873 



9-872 



9-873 



9-877 



9-881 



9-887 



9-890 



9-892 



9-871 , 9-870 

 0-072 | 0-073 

 9765 ; 9-765 



•751 -753 

 0-099 0-101 

 9981 9-978 



0027 0-028 



9-935 9-935 



■828 -827 



•808 [ -810 

 0M)83 0-085 

 9 478 , 9-476 



TEMPERATURE— BEN NEVIS. 



Jan. 

 Feb. 

 Mar. 



Apr. , 



May 



June 



July 

 Aug. 



Sept. 



Oct. 

 Nov. 

 Dec. 



Year 



24-0 

 21-8 

 22-6 



24-2 

 216 

 22-2 



24-2 

 21-1 

 22-1 



243 

 211 

 22-1 



24-2 

 21-4 

 22-0 



23-9 

 21-4 

 22-0 



23-8 

 21-2 

 21-9 



237 

 21-2 

 22-2 



237 

 21-3 

 22-7 



23-5 

 21-7 



22'8 



23 6 

 22-0 

 23 8 



23-9 

 22-4 

 24 6 



24 4 

 22-8 

 25-1 



24-7 

 23-1 



25-5 



24-4 

 23-2 

 25-5 



24-4 

 22-8 

 25-3 



24-2 

 227 

 25-1 



237 

 22-0 



24'4 



23-9 

 22-0 

 24-0 



24-1 

 22 1 

 23"2 



23-8 

 22-3 

 22-9 



24-0 

 22-2 

 227 



23-9 

 22 

 22-5 



24 

 22 

 22-6 



23-8 

 22-0 

 22-6 



27-2 

 35-7 



27-1 

 367 

 35-4 



27-2 

 36-5 

 35-2 



27-0 

 36-2 

 35-0 



26-9 

 35 9 

 35-0 



27-1 

 362 

 35-5 



27-2 

 36-6 

 35-4 



27-7 

 37-0 

 35-6 



28-0 

 37 6 

 36-1 



28-6 

 38-1 

 367 



29-4 

 39-1 

 37-2 



29-8 

 397 

 37-9 



30-3 

 40-5 

 38-0 



30-2 

 407 

 38-5 



30-5 

 40-8 

 38-8 



30-2 

 40-9 

 39-0 



30-2 



40-3 

 38-8 



29-8 

 40-1 

 38-7 



29-4 

 39-7 

 38-1 



28-6 

 391 

 37-8 



28-2 

 380 

 37-6 



28-1 

 37-6 

 371 



27-9 

 372 

 366 



27-5 

 37-1 

 36'3 



27-5 

 37-0 

 30-0 



46-7 

 403 

 38-1 



46-4 

 403 

 38-0 



463 

 40-0 

 37-6 



401 

 399 

 37-3 



45-8 

 40-0 

 37 2 



46 

 39 9 

 37-2 



45-9 

 39-8 

 37-3 



46-2 

 40-0 

 37 4 



46 4 

 40-2 

 38-0 



47-1 

 40-4 

 38-5 



47-9 

 407 

 391 



48-8 

 41-1 

 39-6 



49-4 

 417 

 40-1 



50-0 

 41-9 

 40-7 



50-1 

 42-1 

 41-1 



50-1 

 42-3 

 41-2 



50-1 

 419 

 41-0 



49-7 

 41-6 



407 



49-1 

 412 

 40-3 



487 

 407 

 39-9 



48-1 

 40-4 

 393 



47-5 

 40-3 

 39-1 



47-0 

 40-1 

 38-8 



46-8 

 400 

 386 



46-8 

 39-8 

 382 



80-1 



28-4 

 23-5 



30 

 283 

 23 4 



300 

 28-3 

 23-0 



301 

 28 3 

 23-0 



30-3 



28-4 

 23-0 



30-4 

 28-6 

 22-9 



30-3 



28-4 

 22-8 



30-4 

 28"2 

 22-9 



30-6 

 28-1 

 22-9 



30-8 



28-4 

 22-8 



313 



28-6 

 23-1 



317 

 28-7 

 23-3 



32-0 

 28'8 

 23-5 



31-8 

 28-7 

 23-5 



31-8 

 287 

 23-5 



3V8 



287 

 23'4 



31.5 



28-1 

 23-2 



31-3 



28-4 

 23 2 



31-2 



28-2 

 23-3 



31-0 



28-1 

 23-2 



31-0 

 28-0 

 23-4 



30-9 

 28-1 

 23-5 



30-6 



28-2 

 23-4 



30-2 

 28'4 

 23-4 



80-1 

 2S-4 



■a-i 



31-3 



31-1 



310 



30-9 



30-8 



30-9 



30-9 



31-0 



313 



31-0 



32-2 



32-6 



33-0 



333 



33-4 



33-3 



33-1 



32-8 



32-5 



32-2 



31-9 



31-8 



31-5 



31-4 



31-3 



! 



■ 



;0li 



■ 



TEMPERATURE— FORT- WILLIAM. 



.1.111. . 

 Feb. . 

 Mar. . 



40-7 

 36-2 



37-5 



405 

 36-1 

 37-4 



40-5 

 36-1 

 37-1 



403 

 361 

 37-1 



402 

 36 

 369 



40-2 

 36-0 

 369 



40-3 

 35-8 

 36-7 



40-2 

 357 

 368 



40-2 

 35-6 

 37-4 



40-1 

 36-2 

 39 1 



40-4 

 36-9 

 40-2 



407 

 38'2 

 41-0 



41-5 



39-0 

 42'0 



417 

 39-8 

 43-0 



417 

 40-2 

 43-4 



41-6 

 40 5 

 43-5 



41-0 

 40-4 

 43 4 



407 

 395 

 42-4 



40-5 

 3S4 

 41-2 



40 3 

 38-0 

 40-0 



40-2 

 37-6 

 39 4 



40-0 

 372 

 38-9 



40-1 

 36-8 

 38-2 



40-5 

 367 

 37-8 



40-4 

 364 

 37 4 





Apr. . 

 May . 

 June . 



42-0 

 48-3 

 50-2 



415 

 476 

 49-9 



41-3 

 46-7 

 49-4 



41-0 

 459 

 48-9 



40-6 

 45-1 



48-8 



40-4 

 45-2 

 492 



40-8 

 46-3 

 50-2 



42 1 

 48'6 



517 



43-8 

 50-8 

 53-0 



45-2 

 53-1 

 539 



46-5 

 54-8 

 54-6 



476 

 56-1 

 557 



48-5 

 57-8 

 56-5 



49-4 

 58-5 

 57-3 



497 



59 3 

 58-0 



497 

 60-1 

 58-1 



503 

 59-9 

 57-8 



49-6 

 597 

 58-0 



487 

 597 



57-4 



477 

 57-5 

 56-3 



45-5 

 54-5 

 54-5 



443 

 52-5 

 52-9 



43-6 

 50-9 

 519 



43 

 49-6 

 51-2 



424 

 48-5 

 60-1 





July . 

 lug. . 

 Sept. . 



57-1 

 54-3 

 54 



56-4 

 54-0 

 533 



66-0 

 53-8 

 52-5 



557 

 53-4 

 52-2 



555 



ss-i 



52 



55-8 

 52-8 

 51-8 



56 6 



52-9 

 51-8 



577 

 53 9 

 52-2 



58-8 

 55-0 

 53-5 



602 

 56-0 

 55-2 



61-6 

 57-1 

 565 



63-3 



57-9 

 57-4 



64-2 



587 

 58-4 



64-9 

 592 

 59-0 



65-3 

 59-4 

 -59-3 



65 8 

 59-6 

 .59-9 



657 

 59-6 

 59-6 



65-4 

 59 3 

 58-9 



647 

 58 '5 

 57-9 



63-3 

 57-3 

 567 



61 '3 



55-8 

 557 



59 8 

 55-3 

 55-0 



58-8 

 647 

 54-6 



58-1 

 54-5 

 54-2 



57-3 

 54-1 

 538 





Oct . 



Nov. 

 Dec. . 



4.V5 

 41-9 

 38-1 



45-3 

 41-6 

 37-9 



457 

 41-6 

 377 



45-1 

 417 

 377 



451 



41-6 

 37-6 



44-9 

 41-4 

 377 



447 

 41-3 

 37-8 



417 

 41-2 

 37-i) 



45-1 

 41-2 

 37-8 



457 

 41-6 

 377 



467 

 42-2 

 37-8 



47-8 

 43-1 

 38-0 



48-8 

 43-9 

 38-4 



49-2 

 44-9 

 38-8 



49-6 

 45-2 

 38-8 



49-5 

 45-1 

 38-5 



48-9 

 445 

 381 



48 '2 

 44-0 

 37-9 



47-4 

 437 

 37-9 



47-0 

 43 5 

 37-9 



46-4 

 432 

 37-8 



46-0 

 43 1 

 37-9 



45-5 

 42-8 

 377 



45-3 

 42-8 

 37-7 



45-2 

 42-4 

 37-8 





Year . 



45-5 



45-1 



44-8 



44 6 



44-4 



44-4 



44-6 



45-2 



46-0 



47-0 



47-9 



48-9 



49-8 



50-5 



-50-8 



51-0 



50-8 



503 



496 



487 



477 



469 



46-3 



46-0 



46'£ 



tu 



