44 



Results of Makeestoun Observations, 1845. 



TABLE IV. — Errors of the Approximate Mean Temperatures, deduced from one or two Daily 

 Observations, for each Month, and the Year 1845. 



Months 



Mean 





Approximate Means ( + ) greater, or 



( — ) less than true Means. 























and 



of 24 



Max. 



17h lom 



211. 40m 



21h 40m 



22'' 10"- 



221' 10" 



17h lOm 



211. 10" 





Year. 



Hours. 



and 



and 



and 



and 



and 



and 



and 



and 



71" 10". 







Min. 



4k lO"". 



101' 10". 



9^ 40". 



11" 10". 

 -0-02 



lOh 10". 



231' lOm. 



gh 10". 





January 



33-97 



-0-37 



+ 0-23 



-0-37 



-0-47 



-0-02 



+ 0-28 



-0-92 



-0-97 



February 



33-35 



+ 0-34 



+ 0-65 



-0-48 



-0-45 



-0-45 



-0-05 



0-00 



-0-85 



-0-35 



March 



35-07 



+ 0-64 



-0-12 



-0-22 



-0-05 



+ 0-03 



+ 0-18 



-0-02 



-0-27 



-0-27 



April 



44-23 



+ 0-71 



+ 0-67 



-0-91 



-0-53 



-0-73 



-0-38 



-0-73 



-0-68 



+ 0-87 



May 



46-45 



+ 0-56 



+ 0-20 



-0-08 



000 



0-00 



+ 0-20 



+ 0-45 



-0-20 



-0-35 



Juue 



55-92 



+ 0-32 



-0-02 



-0-15 



+ 0-25 



-0-47 



+ 0-03 



-0-02 



+ 0-48 



+ 1-28 



July 



54-00 



+ 0-41 



+ 0-20 



-0-35 



-0-08 



-0-20 



+ 005 



-0-05 



-0-20 



+ 110 



August 



54-67 



+ 0-43 



+ 0-03 



-0-17 



+ 0-13 



-012 



+ 0-23 



+ 0-08 



+ 0-03 



+ 0-53 



September 



49-81 



+ 0-50 



-0-01 



+ 011 



+ 0-31 



+ 0-54 



+ 0-69 



+ 0-04 



-0-06 



-0-41 



October 



48-28 



-0-05 



-0-28 



-0-28 



-0-23 



+ 0-12 



+ 0-12 



+ 0-22 



-0-58 



-0-48 



November 



42-02 



-0-33 



-0-17 



-0-32 



-0-25 



+ 0-18 



+ 0-13 



+ 0-43 



-0-62 



-0-52 



December 



37-57 



-0-27 



-0-42 



-0-17 



-015 



-007 



+ 0-08 



+ 0-28 



-0-37 



-0-37 



Year 



44-61 



+ 0-24 



+ 0-08 



-0-28 



-0-13 



-0-10 



+ 0-10 



+ 0-08 



-0-36 



+ 0-01 



The 12 Moi 



iths. 





















Mean of Er 



rors 



0-41 



0-25 



0-30 



0-24 



0-24 



0-18 



0-22 



0-44 



0-62 



Range of Ei 



rrors 



1-08 



1-09 



1-02 



0-84 



1-27 



1-07 



116 



1-40 



2-25 



TABLE V. — Diurnal Ranges of Temperature, as deduced from the Hourly Observations of the 

 Dx'y Bulb Thermometer, on each Civil Day of 1845. 



Civil 

 Day. 



Jan. 



Feb. 



March . 



April. 



May. 



June. 



July. 



Aug. 



Sept. 



Oct. 



Nov. 



Dec. 





o 



o 



o 



o 



o 



o 



o 



o 



o 



o 



o 



„ 



1 



7-4 



16-7 



7-4 



22-9 



11-6 



(29-0) 



9-6 



13-9 



19-8 



10-9 



8-9 



12-6 



2 



6-3 



(26-0) 



(13-0) 



32 



1 



10-6 



12-6 



12-8 



18 



•1 



15-4 



10-4 



(15-0) 



5-6 



3 



7-9 



11-3 



9-6 



32 







11-7 



16-8 



9-2 



(15 



0) 



23-9 



14-4 



17-8 



7-2 



4 



9-9 



16-2 



9-7 



10 







(16-0) 



13-0 



16-9 



14 



9 



9-3 



6-9 



20-2 



12-4 



5 



(7-0) 



9-4 



10-6 



21 



3 



10-0 



16-8 



22-9 



21 



8 



171 



(200) 



16-3 



6-8 



6 



19-0 



7-6 



13-7 



(35 



0) 



8-5 



11-1 



(21-0) 



18 



8 



21-5 



25-3 



10-7 



13-5 



7 



7-4 



5-6 



6-6 



15 



3 



7-0 



141 



17-0 



13 



8 



(25-0) 



7-0 



4-6 



(9-0) 



8 



12-3 



9-4 



7-9 



15 







n-3 



(16-0) 



15-3 



17 



1 



21-6 



14-1 



11-9 



16-7 



9 



14-6 



(8-0) 



(11-0) 



20 



6 



13-4 



11-1 



14-7 



4 



5 



9-2 



17-3 



(16-0) 



5-4 



10 



18-2 



9-0 



13-5 



4 



9 



7-7 



12-3 



15-7 



(10 



0) 



7-3 



11-7 



14-5 



11-3 



11 



13-0 



3-2 



7-7 



12 



3 



(25-0) 



17-5 



11-7 



7 



1 



8-4 



14-8 



13-6 



13-0 



12 



(13-0) 



4-4 



14-7 



21 



1 



13-8 



26-5 



15-5 



7 



8 



21-5 



(18-0) 



14-7 



13-9 



13 



14-7 



11-3 



161 



(17 



0) 



17-3 



21-7 



(23-0) 



17 







18-1 



15-6 



14-2 



13-6 



14 



6-7 



5-9 



12-4 



11 







24-1 



15-9 



12-2 



11 



8 



(25-0) 



8-7 



13-6 



(250) 



15 



14-4 



11-6 



14-4 



9 



6 



24-2 



(22-0) 



16-9 



10 



5 



25-8 



11-9 



18-5 



7-6 



16 



8-5 



(10-0) 



(18-0) 



21 



9 



16-7 



11-6 



19-4 



10 



6 



18-7 



8-4 



(8-0) 



10-7 



17 



8-9 



11-3 



13-7 



23 







12-0 



11-2 



18-8 



(18 



0) 



13-3 



9-6 



8-1 



9-5 



18 



7-7 



17-7 



12-9 



11 



9 



(17-0) 



14-3 



150 



15 



3 



9-4 



12-7 



13-5 



9-9 



19 



(9-0) 



13-1 



8-2 



12 



3 



5-4 



15-4 



11-7 



7 



3 



15-8 



(14-0) 



4-1 



12-9 



20 



13-6 



12-5 



14-3 



(27 



0) 



10-0 



19-9 



(6-0) 



6 



7 



24-1 



10-9 



7-8 



6-0 



21 



9-3 



13-8 



21-6 



30 



1 



10-5 



14-9 



4-2 



12 



4 



(14-0) 



111 



9-8 



(8-0) 



22 



7-4 



10-2 



9-3 



30 



9 



8-0 



(20-0) 



4-5 



25 



2 



16-6 



9-3 



11-8 



10-7 



23 



11-6 



(12-0) 



(16-0) 



27 



5 



9-5 



18-3 



6-2 



14 



1 



19-9 



7-6 



(12-0) 



7-5 



24 



12-4 



15-8 



18-3 



20 



6 



5-4 



11-2 



9-3 



(20 



0) 



24-9 



5-6 



9-9 



16-0 



25 



17-9 



23-9 



21-8 



27 



9 



(11-0) 



17-0 



17-7 



15 







13-9 



13-1 



9-8 



10-0 



26 



(16-0) 



6-2 



16-3 



10 



2 



2-8 



15-3 



14-6 



13 



9 



17-0 



(14-0) 



5-6 



11-8 



27 



5-9 



12-4 



9-7 



(12 



0) 



4-2 



19-5 



(20-0) 



11 



3 



18-7 



4-6 



4-1 



18-5 



28 



6-5 



10-6 



8-4 



11 



5 



8-8 



80 



21-3 



26 



7 



(10-0) 



4-5 



2-9 



(18-0) 



29 



23-3 





16-9 



15 



8 



9-1 



(22-0) 



23-4 



22 



8 



12-9 



3-8 



10-3 



24-4 



30 



21-6 





(15-0) 



15 







18-1 



13-5 



23-1 



25 



7 



13-0 



13-8 



(17-0) 



18-9 



31 



28-9 





21-2 





21-6 





16-7 



(19-0) 





14-8 





12-3 



