90 



IOWA ACADEMY OF SCIENCES. 



1898— 



July 



August 



September 



October . . 



November . 



December . 

 1899 -January. .. 



February.. 



March 



April 



May 



JuBe 



July 



August. . . . 



September. 



Octob r ... 



November . 



December. 

 1900 — January. . . 



February . 



March .... 



April 



May 



June 



July 



August.. . . 



September 



October . . , 



November 



December . 

 1901 — January.. . 



February.. 



March 



April 



May 



June 



July 



August .. . . 

 September. 

 October . . . 

 November. 

 December . 

 1902 — January. . . 

 February.. 

 March .... 

 April 



30[b. A. A.]^ 

 9 

 24 

 'ZS 

 16 

 16 

 16 

 22 

 18 

 17 

 22 

 24 

 25 

 29 

 27 

 27 

 22 

 18 

 9 

 21 

 13 

 23 

 21 

 15 

 27 

 27 

 28 

 24 

 23 

 17 

 16 

 20 

 20 

 17 

 23 

 26 

 24 

 30 

 28 

 25 

 24 

 22 

 10 

 23 

 19 

 18 

 20 



7 

 0.4 

 2.2 

 1.9 

 2 4 

 2.5 

 1.5 

 1.9 

 1.1 



1 5 

 1.7 

 0.7 

 1.6 

 1.5 

 0.3 

 0.8 

 0.5 

 0.9 

 1.0 

 0.7 

 0.9 

 0.6 

 1.5 

 0.8 

 0.8 

 0.6 

 0.4 

 8 

 0.8 

 0.3 

 

 0.0 

 15 

 0.6 

 0.0 

 0.4 

 0.8 

 O.l 

 0.1 

 0.1 

 0.3 

 0,5 

 0.0 

 0.4 

 0.0 

 0.7 

 0.0 



0.9 

 13.9 

 11.6 

 15 

 15.0 

 5.0 

 10 

 4.8 

 5.5 

 3 2 

 2.6 

 10.0 

 6.7 

 0.6 

 3.4 

 4.3 

 3.3 

 2.8 

 2.5 

 5.2 

 2.0 

 7.0 

 5.7 

 4.5 

 2.6 

 1.6 

 3.1 

 6 

 6 

 0.0 

 0.0 

 0.15 

 2.1 

 0.0 

 3.7 

 2.1 

 1 

 0.2 

 0.1 

 1.0 

 0.8 

 0.0 

 2.0 

 0.0 

 5.9 

 



2.8 

 2.2 

 2.3 



2.3 

 2.2 

 1.9 

 1.8 

 1.4 

 1.5 

 1.0 

 1.6 

 2.0 

 1.8 

 1.4 

 1.4 

 0.9 

 1.2 

 1.2 

 0.7 

 1.0 

 1.7 

 1.3 

 0.9 

 1.1 

 0.6 

 0.8 

 1.0 

 0.6 

 0.8 

 0.2 

 0.4 

 4 

 3 

 0.5 

 6 

 0.4 

 0.2 

 

 0.4 

 0.4 

 0.0 

 0.2 

 0.0 

 0.4 

 3 



0.1 



1.0 



0.7 



1.2 



1.0 



0.4 



0.2 



0.0 



0.3 



0.3 



0.0 



0.7 



0.4 



0.2 



0.1 



0.1 



3 



0.4 



0.4 



0.6 



2 



0.7 



0.4 



0.4 



2 



0.0 



0.0 



0.0 



0.0 











0.15 



0.5 



0.0 



0.4 



6 



0.00 



0.07 



0.04 



0.04 



0.00 



0.00 



0.00 



0.00 



0.61 



0.00 



1.7 



1.1 



1.2 



1.5 



0.7 



0.9 



1.1 



0.1 



0.7 



0.4 



0.6 



0.6 



0.3 



0.3 



4 



0.7 



0.4 



0.4 



0.4 



0.4 



0.8 



0.8 



0.3 



0.0 



0.0 



0.0 



0.1 



0.0 



0.0 



0.2 



0.10 



0.03 



0.04 



0.26 



0.50 



0.00 



0.39 



0.00 



0.06 



00 



♦Note Owing to absence from town during the greater portion of July, 1898, and 

 July, 1898, and insufficiency of observations in February, 1897, and July, 1898, a part of 

 the data given is suppUed from the British Astronomical Association solar section reports. 



