ISSf).] S. A. Hill — Ohservations of the Solar Thermometer. 



25 



Table I. — Excess TcTnperatures of Insolation on clear, or nearly clcar^Jays 



at Luchioiv. 



Hours of observation, Mean Time. 



10 



11 



12 



13 



14 



15 



16 



January, 1877... 7th 

 14th 



21st 

 28th 



February 7th 



14th 

 21st 

 28th 



March 7th 



14th 

 21st 

 28th 



April 7th 



14th 

 21st 

 28th 



May 7th 



14th 

 21st 

 28th 



June 7th 



14th 

 21st 

 28th 



Se]3tember 7th 



14th 

 21st 

 28th 



October 7th 



14th 

 21st 

 28th 



November 7th 



14th 

 21st 



28th 



December 7th 



14th 

 21st 

 28th 



- 



23-9 

 411 

 41-5 



420 



44-0 



42-0 

 381 



471 



48-1 



47-3 

 40-3 



42-9 

 38-8 



38-4 

 40-9 



371 



43-6 

 38-1 

 40-1 



35-7 



41-5 

 39-3 



43-3 



51-0 

 52-5 



53-8 



54" 1 



54-1 

 521 



53-6 

 531 



55-8 

 52-0 

 48-3 



49'5 

 50-0 



45-9 

 47-9 

 47-8 

 451 



48-9 

 43-6 

 46-4 



49-4 

 44-1 



52-3 



47-0 



510 

 59-5 

 57-5 



58-8 



58-6 

 58-1 



57-6 

 56-1 



55-8 

 55-0 

 530 



56-0 

 550 



531 

 50-0 

 49-3 

 46-5 



53-6 

 46-4 

 54-6 



51-4 



56-3 



521 



607 



55-0 57-3 



59-4 



59-1 

 561 



581 

 56-5 



57-0 



57-7 

 570 



55-5 



56-5 

 51-8 

 53-3 



55-4 



48-1 

 56-4 



58-1 

 56-4 



54-5 



56-1 



57"-8 



62'8 



59"- 6 



58-9 

 54-6 



571 



57-0 



56-0 

 540 

 58-0 



56-7 



57-3 



56-0 

 53-8 

 54-0 



561 

 50-1 

 56-4 



58-1 

 57-9 



53-5 



56-6 



57'7 



58"9 



58-1 

 54-1 



56-1 



55-0 

 55-5 



570 



54"8 



55-7 



54-4 



48.6 

 52.6 



55-6 

 57-6 



520 

 48-0 



53-6 



55-3 

 55'8 



551 



52-6 



52-9 



52-8 

 540 



54-5 

 55-0 



51-0 



50'3 



48" 6 



54-1 

 50-4 



48-5 

 40-8 



42-4 

 50-1 



46-4 

 511 

 47-9 



49"6 

 50-7 



521 



49-5 

 49-5 

 50-0 



55-5 490 

 41-0 



47-0 



451 

 41-6 



47-4 

 44-3 



44-7 

 32-8 



29-1 

 40-1 



42- 1 



45'4 

 391 



41-9 



44-5 



44-9 

 42-0 

 38-3 

 41-8 



36-8 

 350 



35-5 



351 

 321 



29-6 



18-6 

 20-3 



110 

 12-3 



