500 



BEN NEVIS OBSERVATORY. 



TABLE XXL— DIFFERENCE OF TEMPERATURE BETWEEN BEN NEVIS OBSERVATORY AND 

 FORT-WILLIAM OBSERVATORY. 13 YEARS' AVERAGE, 1891-1903. 





Mid- 





night. 



Jan. . 



15-2 



Feb. . 



14-0 



Mar. . 



15-2 



April . 



15-0 



May . 



14-4 



June . 



1 3 3 



July . 



137 



Aug. . 



14-1 



Sept. . 



13-9 



Oct. . 



14-4 



Nov. . 



14-2 



Dec. . 



14-3 



Year . 



14 3 



15-2 15-0 

 14-0 139 

 15-0 149 



147 

 13-8 

 12-9 



133 

 13-8 

 137 



143 

 14-1 

 14-3 



14-1 



14-4 

 13-5 

 12-6 



13-2 

 13-6 

 13-5 



14-0 

 13-9 

 14-1 



13-9 13-8 



15 1 

 13'9 

 14-8 



141 

 13-3 

 12-3 



13-2 

 13-5 

 13-4 



14-0 

 13-8 

 141 



15-0 

 13-8 

 14-6 



15-0 15-0 15-1 

 13-8 ! 13-8 13-9 

 14-6 ! 14-;') 14'5 



14-0 13 



13-1 

 12-1 



13-1 



13-5 

 13-2 



12-9 

 12-1 



13-2 



13-4 

 13-2 



137 13-8 



13 7 13-8 



14-0 14-2 



13-6 13-6 



13 7 

 13 '4 



14-4 

 147 



13-0 14-0 



I 



13-6 14-5 

 13-6 : 14-3 

 131 I 13-3 



13 7 



13-8 

 14-0 



13-8 



13-9 

 13-9 

 14-1 



14-2 



15-0 

 13-8 

 14-4 



15-3 

 15-5 



14-9 



15-1 

 15-2 

 13-9 



13-8 

 13-8 

 14-2 



14-5 



!) 10 



150 14-9 

 13-9 14'0 

 15-4 15-8 



16-5 

 16-7 



15-8 



15-9 

 161 

 14-9 



14-4 

 13-9 

 14-3 



15-3 



17-2 

 17-3 

 16-4 



16-3 



16-6 

 15-6 



11 12 



15-2 

 14-6 



15 'o 

 151 



16-5 17-0 



18-0 

 18-0 

 17-0 



16-6 



17-0 

 16-3 



15-0 15-9 



141 14-6 



14'3 14-5 



15-6 16'2 



18-6 



18-2 

 17-2 



1(5-8 

 17-1 

 167 



167 

 15-1 

 14 - 6 



16-6 



13 14 15 16 17 18 19 



15-9 I 16-0 

 157 ! 16-2 

 17-6 17-9 



161 

 16-6 

 18-3 



191 



187 

 17'5 



171 

 17-4 

 17-2 



17-3 

 15-6 



15'0 



17-0 



19-3 19-3 



191 j 19-5 

 177 ' 18-3 



17-3 177 



17-6 18-0 

 17-4 '' 17-9 



15-9 15 7 

 16-5 | 16-2 

 18-2 ' 18-4 



20-0 



17 '5 



157 

 151 



17-2 



17-6 

 157 

 15-2 



17-5 



19-9 



19-6 



181 



17 7 



18-2 



17-9 



17-5 



15-6 



14'9 



17-5 



19 7 

 18-6 



17 7 

 18-0 



17-6 



16-9 



15-2 

 14-8 



15-5 

 157 



17-8 



19-6 

 19 T, 

 18-3 



17-5 



177 

 16-9 



16-0 

 15-0 

 14-6 



17-4 17'0 



19 



20 



21 



22 



23 



Mid- 

 night. 



15-5 



15-3 



15-3 



15-2 



15-4 



15-2 



15-2 



14 -8 



147 



14-5 



14-3 



141 



16-9 



16-4 



161 



15-6 



15-4 



15-2 



18-6 



17-5 



16-8 



16'2 



15-6 



151 



18-8 



17-6 



16'5 



156 



14-9 



14-5 



177 



16-4 



15-3 



14-5 



13-9 



13-2 



17'0 



16-0 



151 



14-5 



14-2 



13-8 



16-8 



15-8 



15-3 



14-8 



14-6 



14 '3 



15-9 



15-3 



15-0 



14-5 



14-3 



139 



157 



15-2 



15-0 



147 



14-6 



14-4 



14-8 



14-5 



14-5 



14-3 



14-3 



141 



14-5 



14-4 



14-4 



14-4 



14-3 



14'4 



16 -4 



157 



15-3 



14-9 



14-6 



14-3 



MEAN AND DEPARTURES. 



January 

 February 



March . 



April 

 May . 

 June 



July . 

 August . 

 September 



October 

 November 



December 



Year 



■16 



■64 



1-04 



1-98 

 2S9 



2-Jfi 



2-07 

 1 '69 

 V52 



•94 



■so 



■16 

 VS0 



■32 

 ■78 



1-18 



2S8 

 2-93 

 2-94 



2-18 



ISO 

 V69 



i ■:.'.' 



■G-J 

 ■31 



153 



■JO 



■74 



1-29 



2-60 



3-12 

 3-15 



2-25 



ro4 



VI 9 



10 



■39 -35 



1'45 \ 1-46 



2-82 

 3-40 

 3-38 



2-35 

 2-14 

 V98 



V24 1-43 

 ■70 -81 

 ■26 -38 



■38 



■ ?6 



■93 



■81 



1-64 



1-03 



3-0G 



2S2 



3W 



1-76 



2-41 



1-43 



1-81 



■93 



9' 11 



1 :.'0 



2-10 



1-01 



2-94 

 3-47 

 3-27 



2-31 



2-10 



V45 iso 



■75 -76 

 •26 -37 



V6Z IIS V78 ir,S 



■94 

 1-64 



1 -36 

 ■95 

 ■55 



■30 



■48 



1 -27 



1-37 1-37 

 •56 -74 

 ■31 -21 



V21 



■85 



■85 

 ■71 



■20 

 •21 

 •37 



•49 

 •51 



•25 



•60 

 •16 



•SO 



■44 

 ■71 

 ■31 



•41 

 •84 



•97 



•89 

 •95 

 •35 



•25 



■44 



■18 



17 



11 



12 



13 



14 



15 



16 



17 

 •37 



18 



■18 



18 



•54 



73 



•84 



•54 



16 



■05 



•41 



100 



147 



191 



176 



154 



•95 



•39 



■95 



154 



186 



2 22 



211 



2 30 



165 



128 



182 



2-26 



2 59 



3 09 



313 



3 25 



2 80 



155 



183 



2 26 



274 



311 



318 



3 31 



3 04 



154 



174 



215 



2 29 



2 86 



2 93 



312 



2 96 



123 



138 



173 



190 



2 25 



2 21 



2 22 



2 01 



135 



148 



172 



189 



2 36 



2 42 



2 30 



193 



107 



156 



199 



2 23 



275 



275 



2 40 



171 



72 



143 



2 03 



2 81 



2 37 



2 23 



160 



74 



19 



•59 



109 



123 



128 



108 



76 



■49 



•02 



•20 



•51 



•73 



74 



•47 



•31 



08 



76 



113 



157 



182 



215 



2-07 



1 96 



155 



19 ! 20 



16 



•01 



•52 



09 



•87 



•33 



21 



■04 



•01 



1-85 i 74 -05 

 236 113 -00 

 2 32 100 -07 



155 -49 '28 



101 07 -45 



75 -03 -26 



•43 

 •34 

 04 



102 



■06 

 05 



•08 



■00 

 •03 



22 



■03 

 ■32 

 ■45 



•69 



■S3 

 ■01 



■89 

 ■00 

 •66 



■33 

 ■18 

 •12 



■32 -12 1 S3 



•23 



09 



■11 



■45 



•64 



■61 



■88 



1-10 



1-70 



1-49 



:.'-08 



1-59 



2-13 



1-27 



V78 



1-21 



1-50 



■87 



V25 



■64 



■si 



■26 



■38 



■15 



■is 



■80 



VI i 



