BEN NEVIS OBSERVATORY. 



409 



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

 Fort- William Observatory, 42 feet above Sea Level. 



1892. 



WIND FOKCE— BEN NEVIS. 



Jan. 

 Feb. 

 Mar. 



Apr. 

 May 

 June 



July 

 Aug. 

 Sept. 



Oct. 



Nov. . 

 Dec. . 



Year . 



Mid- 

 night. 



261 

 2-38 

 2-29 



1-78 

 2-53 

 1-87 



163 

 202 

 2-22 



2-58 

 3-07 

 2-55 



2-29 



2-28 



2-60 

 2-43 

 2 06 



1-77 

 2-55 

 200 



1-87 

 2-44 

 2-18 



2-52 

 3-07 

 2-61 



2 34 



2-56 

 240 

 2-21 



1-88 

 2-32 

 1-95 



1-87 

 2 37 

 2-05 



2 34 



2-85 

 2-26 



2-50 

 245 

 2-27 



1-98 

 2-34 

 2 03 



2-05 

 219 

 1-85 



2 - 21 

 295 



2 02 



2-31 

 2-29 

 223 



1-68 

 2-27 

 1-95 



1-84 

 2-26 



1-77 



2-02 

 3-03 

 2-08 



2-14 



2-27 

 2 36 

 2-24 



1-68 

 2-15 

 2T2 



1-90 

 2-34 



1-82 



1-85 

 3-18 

 221 



2-44 

 2-45 



2"29 



1-73 



1-90 

 1-78 



2-00 

 325 

 231 



2-50 

 2-74 

 2-47 



1-47 

 2-06 

 1-53 



1-87 

 1-89 



2-00 



2-16 

 2-75 

 2-16 



213 



2-21 



1-30 

 2-26 

 1-65 



1-82 

 2-03 

 1-88 



2-10 



270 

 2-15 



2-09 



2-61 

 2-62 

 2-26 



1-50 



2-08 

 1-42 



1-66 

 2-10 

 1-85 



1-94 

 3 05 

 2-40 



12 



2-56 

 2-48 

 2-23 



1-42 



2-08 

 1-55 



1-50 

 1-86 

 2-03 



195 

 293 

 2-27 



2-07 



13 



2-45 

 2-34 

 2-19 



1-45 



2-00 

 1-62 



1-44 

 1-87 

 2-08 



1-87 

 2-97 

 2-27 



2-37 

 2"21 

 1-94 



1-43 



2-04 

 1-53 



1-58 

 1-68 

 2-00 



2-02 

 2-93 

 2-48 



2-02 



2-52 

 1-97 

 2-14 



1-63 

 1-90 

 1-63 



1-66 

 1-60 

 1-98 



2-10 

 270 

 219 



16 



2-65 

 1-95 

 2-16 



1-53 



1-94 

 1-62 



1-42 

 1-71 

 2-02 



1-77 

 2-65 

 2-34 



17 



2-79 

 2-09 

 2-13 



1-57 

 2-21 

 1-68 



139 

 1-85 

 1-85 



2-40 

 270 

 2-31 



18 



2-82 

 2"21 

 2-31 



1-70 

 2-34 

 1-70 



1-5S 

 1-9(1 

 2-03 



2-52 

 2-48 

 226 



2-15 



19 



2-73 

 2-16 

 2-31 



1-72 

 2-31 

 143 



1-35 



1-65 

 1-95 



2-73 

 2-83 

 2-44 



2-13 



2-42 

 2-05 

 229 



1-80 

 2-19 

 1-53 



1-45 



1-77 

 1-77 



2-90 

 3-08 

 2-65 



2-16 



21 



2-45 

 2*21 

 2-37 



2-02 

 2-53 

 1-77 



1-60 

 1-89 

 2-10 



2-90 

 3-12 

 2-76 



231 



22 



2-53 

 2-17 

 2-31 



1-87 

 2-66 

 1-62 



1-47 



1-85 

 2-05 



2-79 

 2-87 

 2-77 



2-25 



23 



252 

 2-29 

 2-24 



1-88 

 2-63 

 1-57 



1-61 

 2-03 

 2-10 



2-85 

 3-00 

 2-76 



2-29 



Mid 

 night. 



Mean. 



273 2-53 

 2-24 I 2-31 

 2-37 2-24 



1-77 

 2-56 

 1-77 



1-76 

 1-92 

 2-23 



2-56 

 303 

 276 



2-31 



1-68 

 2-23 

 1-71 



1-67 

 199 

 199 



2-30 

 2-92 

 2-38 



2-16 



WIND DIRECTIONS— BEN NEVIS. 



N . 



167 



NE . 



120 



E . . . . 



60 



SE . . . . 



67 



S . . . . 



62 



|w .... 



85 



w . 



81 



NVV. 



74 



Calm or Var. . 



28 



January. 



February. 



206 



119 



75 



115 



March. 



156 

 81 

 48 



155 



67 

 82 

 72 

 44 



April. 



163 

 115 

 17 

 123 



54 

 58 

 89 

 46 



May. 



109 

 77 

 39 



134 



100 



142 



80 



37 



26 



June. 



186 

 54 



47 

 76 



58 



81 



100 



35 



83 



July. 



178 

 37 

 54 

 94 



71 

 65 



88 



ugust. 



September. 



136 



114 



36 



15 



58 



33 



54 



39 



88 



84 



127 



148 



124 



208 



62 



55 



59 



24 



October. 



388 



111 



51 



35 



36 

 32 

 34 

 19 



38 



November. 



58 

 12 

 50 

 196 



138 

 128 

 76 

 24 



38 



December 



193 

 35 



22 

 87 



129 

 92 

 85 

 42 



59 



Year. 



2054 

 812 

 554 



1175 



914 

 1062 

 1066 



590 



557 



HOURS OF SUNSHINE— BEN NEVIS. 



January- 

 February 



March 



April 

 May . 

 June . 



July . 



August 



September 



October 

 November 

 December . 



Year . 



0-86 

 0-62 



1-03 

 3-10 



2-37 

 4-96 

 5-20 



7-33 



0-18 



9-04 20-14 



2-81 



8-09 

 8-22 

 5-40 



2-00 

 1-28 



1-38 

 7-66 



10-74 

 9-53 

 6-35 



7-46 

 2-92 

 2-82 



2-96 



35-09 51-82 



020 

 3-98 

 8-84 



10-32 

 8-17 

 7-77 



4-35 

 2-64 



4-72 

 1-88 

 0-75 



0-59 

 4-73 

 10-43 



11-56 

 7-47 

 6-25 



8-24 

 5 62 

 2-05 



5-55 

 3-03 

 4-69 



70-21 



0-12 

 4-85 

 11-41 



12-03 

 8-40 

 8-07 



8-48 

 5-40 

 2-12 



4-94 

 363 

 6-66 



76-11 



12 



0-26 



4-74 



11-58 



13-04 

 10-32 

 6-76 



9-57 

 2-32 

 3-04 



6-42 

 3-78 

 6-74 



78-57 



2-44 

 4-89 

 13-16 



13-54 

 9-51 

 7-59 



11-53 



1-98 



5-14 

 2-82 

 6-89 



82-05 



5-02 



5-61 



10-62 



10-33 

 8-31 

 7-51 



10-51 

 1-99 

 2-57 



5-93 

 1-82 

 5-53 



75-75 



3-12 



6-82 

 9-76 



9-11 



7-22 

 5-92 



9-12 

 2-29 

 3-38 



4-43 



1-98 

 3-80 



66-95 



16 



0-40 

 4-30 

 9-07 



6-94 

 7-36 

 5-78 



9-51 

 234 

 3-21 



2-16 



0-52 



5159 



IS 



8-73 1-32 



896 

 7-77 

 4-34 



8-42 

 2-35 

 3-23 



613 

 7-83 

 6-52 



7-42 

 1-66 

 2-48 



19 



20 



21 



Total. 



- 



- 



- 



12-15 



42-98 



105 49 



2-11 

 6-91 

 8-09 



3-69 

 7-39 



0-79 



125-27 

 116-70 

 103-69 



6-11 

 1-26 

 0-04 



4-78 

 0-52 



0-36 



130-12 

 37-18 

 31-42 



- 



- 



- 



43-05 

 19-46 

 35-06 



24-52 



16-38 



1-15 



802-57 



Percentage 

 of Possible. 



HOURS OF SUNSHINE— FORT- WILLIAM. 



January 



February 



March 



April . 

 May . 

 June . 



July . 



August 



September 



October . 

 November 

 December . 



Year . 



- 



_ 



- 



3-26 



0-67 

 1216 



4-76 

 14-33 



0-58 

 8-68 

 14-58 



4-90 



9-46 



15-62 



6-90 



9-43 



17-81 



7-06 

 10-10 

 15-79 



4-58 

 12-74 

 16 '94 



0-18 

 8-13 

 14-59 



1-33 

 9-16 



140 



- 



: 



0-08 

 1-56 



0-70 

 5-18 

 5-40 



6-45 

 11-30 

 8-18 



13-54 



12-04 

 1061 



18-08 

 14-14 

 11-01 



18-67 

 12-79 

 12-83 



18-20 

 12-99 

 12-51 



19-64 

 13-82 

 12-26 



19-11 

 12-84 

 10-64 



17-70 

 13 14 

 10-02 



1393 

 13-41 

 11-56 



12-48 

 13-88 

 12-85 



11-91 

 13-54 

 13-74 



7-80 



12-72 

 12-61 



0-21 

 6-25 

 10-42 



o-io 



3-51 



0-07 



513 



0-41 



7-71 

 3 33 

 0-12 



7-64 

 5-56 

 510 



8-52 

 7-06 

 5-74 



11-25 

 8-65 

 4-93 



11-22 

 1018 

 7-15 



12-07 

 9 09 

 8-17 



12-33 

 8-47 

 9-58 



1412 



7-87 

 8-35 



16-24 

 10-34 

 7-75 



15-69 



8-97 

 S-65 



14-72 

 8-87 

 6-79 



12-83 

 5-79 

 1-82 



9-03 

 1-60 



1-13 



_ 



: 



- 



- 



3-58 



9-33 

 0-45 



12-70 

 5-29 

 1-25 



12-18 

 6-76 

 6-41 



11-84 

 4-60 

 6-41 



8-69 

 5-78 

 3-59 



7-78 

 1-70 

 1-46 



7-38 

 0-06 



0-99 



- 



- 



- 



1-71 



16-82 



37-09 



57-75 



80-96 



97-99 



11533 



130-38 



129-96 



12221 



118-43 



102-86 



8105 



54-97 



27-51 



4-74 



24-20 



65-30 



135-64 



178-42 

 168-22 

 159-71 



159-70 

 96-19 

 74-15 



74-47 

 24-64 

 19-12 



1179-76 



5 

 16 



29 



23 

 20 



16 

 31 

 45 



49 

 37 

 34 



34 

 21 



26 



15 

 16 



ROY. SOC. TRANS. EDIN. — VOL. XLII. 



3 G 



