514 



On Aqueous Vapour and Terrestrial Radiation. 

 Table II. 



Groups. 



Relative 

 humidity. 



Number of 

 observations. 



Temperature 

 of air. 



Temperature 



of air minus 



radiation. 





per cent. 









1 



22-417 



190 



84-83 



4°-79 



2 



40-220 



406 



71-43 



4-69 



3 



47-479 



244 



68 03 



4-43 



4 



52-455 



286 



66-46 



4-37 



5 



57521 



322 



61-99 



3-92 



6 



62-580 



301 



59-70 



3-70 



7 



67-441 



322 



5801 



3-71 



8 



72-485 



357 



5512 



3-52 



9 



77-427 



438 



5267 



3-48 



10 



82-598 



458 



51-43 



3 36 



11 



87397 



426 



49-63 



321 



12 



92-348 



403 



46-26 



3-11 



13 



96-643 



223 



43-33 



2-55 



Table III. 



Number of 



Mean 



Mean 



Temperature 







pressure 



temperature 



of air minus 



Observations. 



Groups. 



of vapour. 



of air. 



radiation. 







inch. 







220 



7 



0-2009 



42-54 



2-77 



284 



7 



•2307 



47-89 



335 



259 



6 



•2493 



48-52 



3-14 



215 



6 



•2514 



52-70 



3-57 



257 



6 



•2687 



52-38 



3-70 



213 



7 



•2698 



53-30 



3-59 



385 



9 



•2885 



54-95 



3-74 



258 



6 



•3000 



57-22 



3-79 



243 



6 



•3000 



57-53 



3-91 



268 



7 



•3253 



5710 



3-64 



295 



7 



•3401 



6203 



3*95 



276 



6 



•3552 



63-65 



3-55 



296 



7 



•3746 



63-40 



3-80 



384 



11 



•4117 



64-93 



3-69 



343 



13 



•5229 



73-5 



3-46 



In this Table are represented the means of the groups, irre- 

 spective of the number of single observations. 



Table IV. 



Number of 



Temperature 

 of air. 



Pressure of 



Temperature 



observations. 



vapour. 



of air minus 

 radiation. 



251 



41°-46 



0-2108 



296 



747 



48-30 



0-2502 



3-39 



881 



53-70 



0-2799 



3-58 



919 



5801 



0-3163 



3-73 



740 



63-40 



0-3628 



3-76 



522 1 



68-15 



0-4081 



3-86 



135 



72-72 



0-5187 



3-23 



74 



77-88 



0-5732 



3-52 1 



