:io 



PROFESSOR C. PIAZZI SMYTH ON 



Table III. continued; or Weekly Observations of Sun-Spots, also Weekly Observations op Earth 

 Thermometers 1, 2, and 3. Also Annual Sums of Sun-Spots, collected Weekly, and Annual Means 

 of Earth Thermometers 1, 2, and 3 collected Weekly through the Years 1880, 1881, and 1882. 

 Followed by Three Plates exhibiting those Numbers duly Projected to Scales of Time, and 

 Quantity. 















Annual Means for Middle Week of 









Year. 



Month. 



Day. 



Therm. 1. 



Therm. 2. 



Therm. 3. 



52 continuous Weeks collected 



Therm. 1. 



Therm. 2. 



Therm. 3. 















at every 



Successive Week for 









1881 



Jauuary . . 



3 



10 

 17 

 24 



47-35 

 47-23 



47-14 

 47-05 



45-74 

 45-30 

 44-97 

 44-59 



40-78 

 40-78 

 39-60 

 38-40 



July 12, 

 19 

 26 



1880 to July 4,1881 

 18 



46-35 

 46-34 

 46-33 



45-66 

 45-64 

 45-63 



45-11 

 45-09 

 45-09 







31 



46-97 



44-18 



37 60 



Aug. 2 



„ 25 



46-32 



45-62 



45-08 





February 



7 

 14 

 21 

 28 



46-84 

 46-72 

 46-59 

 46-43 



43-68 

 43-28 

 42-98 

 42-74 



38-00 

 38-10 

 38-20 

 38-10 



9 

 16 

 23 



30 



„Aug. 1 



8 



15 



22 



46-32 

 46-31 

 46-30 

 46-29 



45-61 

 45-60 

 45-59 

 45-58 



45-07 

 45-06 

 45-03 

 44-98 





March . . 



7 



14 

 21 



28 



46-30 

 46-17 

 46-00 

 45-88 



42-52 

 4232 

 42-15 

 42-19 



38-60 

 38-60 

 40-00 

 39-50 



Sept. 6 

 13 

 20 

 27 



29 



„Sept. 5 



12 



19 



46-29 

 46-28 

 46-27 

 46-27 



45-56 

 45-54 

 45-52 

 45-49 



44-93 

 44-86 

 44-79 

 44-74 





April . • . 



4 

 11 

 18 

 25 



45-74 

 45-64 

 45-53 

 45-44 



42-23 

 42-16 

 42-10 

 42-18 



39-10 

 39-20 

 40-28 

 40-70 



Oct. 4 

 11 



18 

 25 



26 



„ Oct. 3 



10 



17 



46-26 

 46-25 

 46-24 

 46-23 



45-46 

 45-44 

 45-41 

 45-39 



44-71 

 44-68 

 44-67 

 44-65 





May . . . 



2 

 9 



16 

 23 

 30 



45-32 

 45-25 

 45-18 

 45-13 

 45 09 



42-29 

 42-48 

 42-71 

 43-05 

 43-39 



41-88 

 42-53 

 43-92 

 44-39 

 45-58 



Nov. 1 



8 



15 



22 



29 



24 

 31 



„Nov. 7 

 14 

 21 



46-22 

 46-21 

 46-20 

 46-19 

 46-18 



45-37 

 45-35 

 45-34 

 45-33 

 45-32 



44-64 

 44-65 

 44-64 

 44-66 

 44-70 





June . . . 



6 

 13 

 20 



27 



45-05 

 45-05 

 45-07 

 45-09 



43-79 

 44-29 

 4474 

 45-10 



47-70 

 47-37 

 47-98 

 48-90 



Dec. 6 

 13 

 20 

 27 



28 



„ Dec. 5 



12 



19 



46-16 

 46-15 

 46-14 

 46-13 



45-32 

 45-32 

 45-32 

 45-32 



44-75 

 44-78 

 44-77 

 44-77 





July . . . 



4 

 11 

 18 

 25 



45-15 

 45-23 

 45-29 

 45-37 



45-49 

 45-90 

 46-25 

 46-63 



49-30 

 49-89 

 50-97 

 51-12 



Jan. 3, 

 10 

 17 

 24 

 31 



1881 „ 26 

 „ Jan. 2 



9 1882 

 16 

 23 



46-13 

 46-12 

 46-11 

 46-11 

 4610 



45-32 

 45-32 

 45-32 

 45-33 

 45-34 



44-77 

 44-80 

 44-83 

 44-88 

 44-97 





August . . 



1 

 8 



15 

 22 

 29 



45-47 

 45-58 

 45-69 

 45-80 

 45-94 



47-01 

 47-29 

 47-52 

 47-74 

 47-92 



50-85 

 51-10 

 51 13 

 50-80 

 50-40 



Feb. 7 

 14 

 21 

 28 



30 



„ Feb. 6 



13 



20 



46-09 

 46-09 

 46-09 

 46-09 



45-35 

 45-37 

 45-40 

 45 43 



45-07 

 45-15 

 45-23 

 45-31 





September . 



5 



12 

 19 

 26 



46-05 

 46-18 

 46-29 

 46-41 



48-01 

 48-05 

 48-09 

 4816 



49-81 

 50-00 

 49-99 

 50 00 



Mar. 7 

 14 

 21 

 28 



27 



„Mar. 6 



13 



20 



46-08 

 46-08 

 46-08 

 46-09 



45-47 

 45-50 

 45-54 

 45-59 



45-40 

 45-47 

 45-55 

 45-61 





October . . 



3 

 10 

 17 

 24 



46-51 

 46-59 

 46-68 

 46-75 



48-22 

 48-25 

 48-23 



48-08 



50-00 

 49-45 

 48-18 

 47 00 



Apr. 4 

 11 

 18 

 25 



,, . 27 



„ Apr. 3 



10 



17 



46-09 

 46-10 

 46-11 

 46-11 



45-63 

 45-67 

 45-71 

 45-75 



45-68 

 45-76 

 45-84 

 45-89 







31 



46-81 



47-84 



46-09 



May 2 



24 



46-12 



45-80 



45-94 





November . 



7 

 14 

 21 

 28 



46-90 

 46-97 ' 

 46-98 

 46-98 



47-59 

 47-30 

 47-09 

 46-99 



45-00 

 45-90 

 46-18 

 •45-60 



9 

 16 

 23 

 30 



„ May 1 



8 



15 



22 



46-13 

 46-15 

 46-16 

 46-17 



45-84 

 45-87 

 45-91 

 45-94 



45-98 

 46-01 

 46-02 

 46-04 





December . 



5 



12 

 19 

 26 



46-98 

 46-97 

 46-93 

 46-94 



46-84 

 46-64 

 46-39 

 46-08 



44-98 

 44-09 

 42-68 

 41-70 



June 6 

 13 

 20 



27 



July 4 



29 

 „June 5 

 12 

 19 



26 



46-19 

 46-20 

 46-21 

 46-23 



46-24 



45-97 

 45-99 

 46-02 

 46-04 



- 46-06 



46-07 

 46-08 

 46-10 

 46-11 



46-12 



