270 



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 j 6 



7 



8 



9 



10 



11 



12 



13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 



Mid- 



night. 



Mi 



Jan. . 

 Feb. . 

 .Mar. . 



6169 



4-!)U 

 5-422 



5-167 



4-914 

 5-420 



5-102 

 4-911 

 5-418 



5-1G1 

 4-908 



5-413 



5-158 

 4-905 

 5-410 



5-153 5-145 

 4-901 4-902 

 5-410 5 411 



5-141 

 4903 

 5-411 



5-146 

 4-91)8 

 5-41C 



5-148 

 4-915 

 5-420 



5-149 

 4-920 

 5-422 



5-150 

 4-920 

 5-427 



5159 

 4-929 

 5-428 



5-153 



4-927 

 5424 



5-153 

 4-919 

 5422 



5-102 

 4-918 

 5412 



5-169 

 4-921 

 5-409 



5-171 

 4-920 

 5-410 



5-167 

 4-924 

 5 413 



5171 

 4-929 

 5-417 



5-166 

 4-932 

 5-420 



5-170 

 4-928 

 5-420 



5-171 

 4-925 

 5-420 



5-173 

 4928 

 5-422 



5-171 

 4-929 



5-420 



Apr. . 

 May . 

 June . 



•270 

 •3 J 7 

 •412 



•270 

 •340 

 •406 



•258 

 •338 

 •402 



•247 

 •335 

 •398 



•244 

 ■329 

 •392 



•243 

 •324 

 •390 



•248 

 •324 

 •391 



•252 

 ■324 

 •393 



•261 

 •327 

 •394 



•267 

 •336 

 •398 



•271 

 ■339 

 •398 



•275 

 •347 



•401 



•277 

 •356 

 •403 



■282 

 •364 

 •403 



•282 

 ■366 

 •405 



•285 

 •370 

 ■405 



•283 

 •365 

 •403 



■280 

 •365 

 •399 



-281 

 •364 

 •395 



•281 

 •367 

 •392 



•282 

 •370 

 •392 



■278 

 •375 

 ■390 



•276 

 •377 

 •390 



■268 

 •377 



•380 



•264 

 •371 

 •383 



■I 



July . 

 Aug. . 

 Sent. . 



•449 

 •461 



•4S1 



•445 

 ■455 

 •476 



•439 

 •449 

 ■471 



•433 

 •445 

 •470 



•433 

 •441 

 ■465 



•433 



•441 

 •464 



■438 

 ■443 



•470 



■438 

 •447 

 ■478 



■440 

 •451 

 •480 



•445 

 •455 

 •485 



•450 

 •456 

 •487 



•453 



•462 

 •488 



•457 

 ■405 

 •488 



•459 

 •467 

 •489 



•461 



•468 

 •488 



•459 

 •468 

 ■479 



•455 

 •465 

 •472 



■453 



•466 

 •468 



•455 

 •462 

 •467 



■456 

 •467 

 •469 



•457 

 •470 

 •471 



•460 

 •474 

 •470 



•459 

 •473 

 •469 



•459 

 •470 

 •470 



456 

 •469 

 •4C7 



s 



Oct. . 

 Nov. . 

 Dee. . 



•248 

 ■121 



•U28 



•247 

 •119 

 •031 



•247 

 •115 

 •034 



•243 

 111 

 •035 



•237 

 •107 

 •031 



•233 

 •111 

 033 



•232 

 •111 

 •036 



■238 

 •120 

 •046 



■243 

 •126 

 ■050 



•246 

 ■130 

 •060 



•252 

 •130 

 •065 



•254 

 •130 



■071 



•255 

 •129 

 •064 



•249 

 •127 

 ■059 



■248 

 ■121 

 •053 



•246 

 •121 

 •044 



■243 

 ■119 

 •043 



•246 

 •127 

 ■044 



•250 

 •132 

 •037 



•254 

 •134 

 •030 



•254 

 •132 

 •032 



•254 

 •129 

 •027 



•255 

 •127 

 •024 



•252 

 •127 

 •022 



"251 

 ■122 

 ■1)23 





Year . 



5-278 



5-274 



5-270 



5-267 



5-263 



5-261 



5-262 



5-266 



5-270 



5-275 



5-278 



5-232 



5-284 



5-284 



5-282 



5 281 



5-279 



5-279 



5-279 



5-281 



5-282 



5-281 



5-280 



5-280 



6-277 



5 



BAROMETER— FORT-WI LLIAM. 



Jan. 



Feb. 

 Mar. 



Apr. 

 May 

 June 



July 

 Aug. 



.Sept. 



Oct. 

 Nov. 



Bee. 



Year 



9-770 



•528 



0-iou 



9767 



•527 



100 



9-7C4 



•524 



0-099 



9-763 



■521 



0-095 



9-701 



■519 



0-093 



9-754 



•51S 



092 



9 749 



•519 



0-094 



9-746 



■523 



0-096 



9-752 

 •531 



o-ioi 



9-754 

 ■537 



o-ioo 



9-758 

 ■540 



o-ioo 



9-757 

 •543 



o-ioo 



9-758 



■544 



0-097 



9-755 



•538 



0-089 



9-758 

 •530 



0-080 



9-763 



•526 



071 



9-767 



•527 



0-068 



9-770 



•530 



0-069 



9-774 



■536 



073 



9-772 



•539 



0-079 



9-774 



•543 



0-085 



9-771 



■544 



0-085 



9-776 



•545 



0-090 



9-865 

 •904 

 ■8S2 



9-855 

 •902 

 •881 



9-840 

 •901 

 •S82 



9-831 

 •896 

 •877 



9-825 

 ■893 

 •874 



9-824 

 •892 

 •873 



9828 

 •893 

 •876 



9-833 



•892 

 •874 



9-841) 

 ■895 

 ■S75 



9 840 

 •896 

 •870 



9-843 

 •898 

 •867 



9 843 

 ■898 

 •864 



9-843 

 ■899 

 •861 



9-847 

 •900 

 ■855 



9-847 

 •898 

 •851 



9-844 

 •895 

 •846 



9 843 

 •894 

 •841 



9-842 

 •894 

 •839 



9-845 

 •896 

 •838 



9-845 

 ■903 

 ■839 



9-850 

 •913 



•842 



9-850 

 ■920 

 •846 



9-851 

 ■924 



•848 



•921 

 ■943 

 •9S5 



•917 

 ■937 

 ■981 



•914 

 •936 

 •981 



•911 

 •932 



•977 



•910 

 931 

 •979 



•910 

 •932 

 •978 



•914 

 •936 

 •986 



•918 

 ■939 

 •994 



■923 



•944 



0-002 



•924 



•945 



0-003 



•926 

 •943 



0-004 



•925 

 •940 

 •998 



■926 

 ■937 

 •994 



■924 

 •935 

 •990 



•923 

 ■936 

 ■985 



•917 

 •932 

 •974 



•913 

 •931 



■968 



•911 

 •928 

 ■963 



•912 



■929 

 •963 



•914 

 •937 

 ■966 



•919 



■946 

 •969 



•924 

 •950 

 ■969 



•927 

 ■953 

 •971 



■805 

 •673 

 •575 



•803 

 ■668 

 •573 



■802 

 •60S 

 •578 



•795 

 •662 

 •581 



•792 

 •659 

 ■580 



•788 

 •658 

 •579 



•790 

 •663 

 •585 



•797 

 •666 

 •588 



9-004 

 ■673 

 •595 



9-806 

 •678 

 ■606 



9-808 

 •683 

 •616 



•809 

 ■679 

 ■620 



■805 

 •677 

 •610 



•797 

 ■671 

 •601 



•794 

 •668 

 •591 



•787 

 •667 

 •586 



■789 

 •671 

 •586 



•790 

 ■676 

 ■584 



•796 

 •682 

 •583 



•801 

 •687 

 •584 



•805 

 •6S8 

 •579 



•805 

 ■685 

 •576 



■808 

 •685 

 •572 



9-829 



9-826 



9824 



9820 



9-818 



9 816 



9-819 



9-822 



9-828 



9-830 



9-832 



9-831 



9-829 



9-825 



9-822 



9-817 



9-816 



9-816 



9-S19 



9-822 



9-826 



9-827 



9-829 



9-775 9-775 



■544 -546 



0-091 , 0-095 



9-84S 9-847 



•926 -928 



■847 -848 



■929 -929 



■953 -953 



■971 -an 



•569 



•08i) 

 •570 



TEMPERATURE— BEN NEVIS. 



Jan. 

 Feb. 

 Mar. 



Apr. 

 May 



June 



July 

 Aug. 

 Sept. 



Oct. 



Nov. 

 Dee. 



Year 



244 

 18-3 

 21-6 



21-5 

 183 



21-5 



24 5 

 18-2 

 2T2 



243 

 183 

 21-2 



24-1 

 18-4 

 21-2 



24-2 

 18-3 

 21-1 



24-0 

 18-5 

 21-0 



24-0 



18-4 

 21-2 



24-2 

 18-5 

 22-0 



24-4 

 18-8 

 22'7 



24-5 

 192 

 23 1 



24-9 

 19-5 

 235 



247 

 20-1 

 23-7 



24 9 

 20-1 

 24-0 



24-9 

 20-3 

 24-0 



24-7 

 20-2 

 24-2 



24-3 

 19-9 

 23-8 



24-1 

 19-4 

 23-3 



24-1 

 190 

 22-8 



24-2 

 18-7 

 22-4 



24-3 

 18-6 

 22-5 



24-2 

 18-5 

 22-6 



24-1 

 183 

 223 



24 



18 4 

 22-0 



24"2 

 18-4 

 21-8 



27-7 

 313 

 40-4 



27-7 

 31-1 



4')-l 



27-6 

 30-9 

 39-7 



27-9 

 306 

 39-4 



28-1 

 30 3 

 393 



28-0 

 303 

 39-6 



28-5 

 30-6 

 40-2 



28-8 

 30-9 

 40-4 



28-8 

 31 5 

 41-0 



298 

 32-0 

 419 



30-4 

 32-6 

 42-4 



30-5 

 335 

 43-0 



30-6 

 339 

 43-5 



30-7 

 342 

 43-9 



30-7 

 343 

 44'2 



30-5 

 34-4 

 44'4 



30-3 

 316 

 44-6 



29-8 

 33-9 

 44-0 



29-3 

 33-7 

 43 7 



28-8 

 33-4 

 43-3 



28-7 

 32-7 

 42-3 



28-5 

 32-4 

 41-4 



27-9 

 321 

 40 9 



276 

 32-0 

 40-6 



27-7 

 317 

 40-4 



41-5 

 400 

 39 6 



41-4 

 39 8 

 396 



411 

 39-7 

 39-3 



409 

 396 

 398 



40-6 

 39-3 

 39 



40 7 

 391 

 38-8 



40-8 

 39-2 

 38-6 



41-2 

 394 

 3S-6 



415 

 396 

 38-8 



41-9 

 40-1 

 39-2 



42-3 

 40-9 

 397 



42-8 

 417 

 40-0 



43-5 



42-0 

 40-4 



43 9 



42-8 

 40-9 



43-9 

 43-1 

 40-8 



441 

 43-1 

 40-8 



443 

 42-7 

 40-6 



43-9 

 42-5 

 40-5 



436 

 42 

 40-0 



43-0 

 41-4 

 39-7 



42-6 

 40-8 

 39-8 



42-5 

 40-5 

 39-9 



42-1 

 40-3 

 39 6 



41-9 

 40-2 

 393 



41-0 

 40-0 

 39 2 



297 

 28-2 

 28-3 



29 9 



28-6 

 2S'3 



29-8 

 28-6 

 28-1 



29 9 

 28-8 

 280 



29-8 

 28-9 

 28-0 



29-8 

 287 

 28-0 



29-9 

 287 

 28-3 



29-8 

 28-7 

 28-3 



30-0 



287 

 28-3 



30-2 

 29'2 

 28-4 



306 



29-4 

 28-6 



313 



29-7 

 28-8 



316 

 297 

 29-1 



31-5 

 29-5 

 29-0 



31-6 

 293 

 28-9 



31-5 



28-8 

 28-7 



31-2 



28-6 

 28-5 



30-5 

 28-6 

 28 7 



30-1 



28-5 

 28-6 



30-3 

 28-3 

 28-6 



30-2 

 28-3 

 28-3 



30-0 

 28-2 

 28-1 



301 



28-2 

 28-1 



30-0 



28-1 

 28-2 



23-S 

 27-9 

 28-2 



30-9 



30-9 



307 



30-7 



30-6 



30-0 



30-7 



30-8 



31 1 



31-6 



32'0 



32-4 



32-7 



33-0 



33-0 



33-0 



32-8 



32-4 



32-1 



31-8 



31-6 



31-4 



31-2 



31-11 



30-9 



TEMPERATURE— FORT- WILLIAM. 



Jan. . 

 Feb . 



Mar. . 



40-1 

 33-0 

 30-6 



402 

 327 

 36-1 



40-2 

 32-5 

 35-9 



40-2 

 322 

 35-6 



40-1 

 32 

 35-4 



40-0 

 31-7 

 35 1 



40-2 

 31-8 

 34-5 



40-2 

 31'6 

 34'8 



40-1 

 31-5 

 35 3 



40-2 

 31-9 

 37 



40-2 

 32-5 

 38-4 



40-7 

 337 

 39-6 



40-9 

 352 

 40-9 



41-2 

 36-3 

 42-0 



411 

 37-2 

 42-0 



40-8 

 37 2 

 42-7 



40-6 

 37-0 

 425 



40-6 

 360 

 42-0 



40-0 

 35-0 

 407 



40-0 

 344 

 392 



39-8 

 34-0 

 33-3 



40-2 

 33 6 



37-5 



39-9 

 33-3 

 37-2 



39-8 

 33-0 

 37-0 



40-0 

 3:1-1 

 368 



Apr. . 

 May . 

 June . 



42 -s 

 52-7 



42-3 

 46-1 

 51-9 



41-0 

 45-9 

 51-3 



41-6 

 455 



50-8 



41-5 

 45-1 

 50'6 



41-4 

 451 

 61-0 



41-6 

 46-0 



52-0 



42-6 

 47-4 

 53-7 



43-7 

 487 

 55-4 



45-2 

 50-0 

 57-4 



4G-4 

 50-8 

 58-6 



47 6 

 52-1 

 59-8 



47-9 

 52-8 

 00-6 



48*4 

 531 

 61-6 



48-9 

 53 7 

 62"2 



49-7 

 54-2 

 62-8 



49-2 

 51-1 

 62-9 



49-1 

 537 

 01-7 



48-4 

 53-0 

 61-2 



46-8 

 52-1 

 60-0 



45-6 

 50-5 

 57-5 



44-6 

 495 

 56-0 



43-7 

 48-6 

 54-6 



4.3-1 



47-8 

 5J-6 



42-8 

 47-1 

 52-8 



July . 

 Aug. . 

 Sept. . 



55-6 

 53-4 

 52-1 



55-2 

 53 3 



51-6 



55-0 



53-0 

 513 



547 

 52 4 

 51-1 



54-4 

 52-3 

 60 7 



54-6 



52-2 

 50-3 



548 

 523 



50-1 



55-8 

 53 

 50-4 



56-8 

 54-9 

 51-3 



57 7 

 56-7 

 52-8 



53-4 

 57-5 

 539 



59-3 

 58-6 

 65"2 



60-0 

 59-4 

 56-2 



60-7 

 60 

 56-9 



61-0 

 60-4 

 57-1 



61-5 

 6T2 

 57-6 



61-2 

 61-0 

 57-4 



60-8 

 60-6 

 55-9 



6)3 



59-8 

 55-9 



59-3 

 58-3 

 64-6 



58-1 

 567 

 53-6 



57-3 

 55-5 

 53-3 



56-6 



64-7 

 53-0 



56-1 

 54-2 

 62-5 



55-7 

 534 

 61-8 



Oct . 

 Nov. 



111 

 48-0 



438 



44-3 

 42-9 

 43-7 



44-1 

 42-6 

 438 



44-2 

 42 4 

 43-6 



44-2 

 42-0 

 43-2 



44-2 

 41-9 

 43-3 



44-4 

 42-0 

 43-0 



41-2 

 41-9 

 43-0 



44-5 

 41-9 

 42-9 



45-4 

 42-0 

 431 



46-4 

 42-6 

 43-4 



47-4 

 43-3 

 437 



43-2 

 440 

 44-1 



48-9 

 44-7 

 44-6 



49-0 

 4.V3 

 447 



48-9 

 4V1 

 444 



48-5 

 446 

 44-3 



47 9 

 44-1 

 411 



46-9 

 43 

 43-8 



46-3 

 43-2 

 43-6 



45-9 

 42-9 

 43-7 



45-6 

 42-8 

 43-9 



45-0 

 42-6 

 43-9 



44-8 

 425 

 44'0 



44-5 

 42-6 

 43-8 



Year . 



l.vl 



45-0 



44-8 



445 



44-3 



44-2 



44-4 



44-9 



45-6 



40-6 



47-4 



48-4 



492 



49-9 



50-3 



50-5 



50-3 



49-8 



490 



48-2 



47-2 



466 



46-1 



45-7 



45-4 























































