Extract from Meteorological Observations kept at the Madras Magnetic Observatory. 



HOURLY MEANS. 



[No. 1, NEW SERIES. 



Gottingen 

 MeanTime 



Madras 

 MeanTime. 



Noon. 



h. m. 

 4 41 



ill 



1858 

 Apr 

 May 

 June 



U 0) 



1885 

 ; ( Apr. 



J ( June 



1858 

 Apr 



In. 



•645 

 •654 



June 90- 7 



h. m. 

 5 41 



In. 



29-773 29 787 29*810 29 833 29 858 29 872 29 876 29 867 29 850 29-836 29"827 29-825 29 834 29-846 29 866 29-890 29 905 29 902 29-890 29 868 



•663 

 •668 



7 84- 0 83- 3 82- 9 

 5 83- 7:82- 9 

 4 85- 9 84- 8 84- 1 



79- 3 78- 9 78- 

 79- 3 78- 8 78- 

 June 79- 3 79- 2 78- 



1858 



July 29-666 29-678 29 696 29720 29 740 29-759 29 765 29 761 

 Aug 

 Sept 



•723 



1858 

 July 90- 

 Aug. " 



Q H I Sept 

 1858 



87* 8 85- 3 84- 1 



H (Sept. 



.703 

 ■739 



4 88- 

 6 86- 



3 79- 1 



9 77- 6 77 



h m. 

 6 41 



h. m. 

 7 41 



In 



'8] 

 •686 



721 

 •764 



78- 



h. ni. 

 8 41 



In. In. 



708, 726 

 709 732 



h. m. 



9 41 



In. 



•741 

 •750 



h. m. 

 10 41 



h. m. 

 II 41 



In. 



748 

 756 



82- 682 



82- 7 82 



83- 6 83- 4 



5 78- 

 3 78- 

 9 78" 



4 78- 

 2 77- 

 7 78- 



4 85- 6 84- 5 

 9 84- 4 83- 6 83 



83* 2 82 



July 78- 9 78- 9 78- 4 78- 3 78- 3 77* 7 77" 3 77' 1 



4 78 

 4 77- 2 



3 78- 

 9 77- 

 6 78- 



767 

 •814 



3 78 



2 



77- 1 



1 78 

 977 

 4 78- 3 



In. 



737 

 •749 



81- 



3 81- 



8 



h. m. 

 12 41 



In. 



•724 

 •734 



h. m. 

 13 41 



In. 



•709 

 721 



80- 8 80- 

 8;8L- 480- 



o3' 



0 77 



9 77 



977- 5 77- 

 6 77- 5 77- 

 78- 0 77- 7 77- 



7841 787 780 

 •830 -832 -823 



5 82- 8 81- 9 81- 3 81- 0 80- 7 



6 82' 

 2 81- 



0 77" 8 

 0 76- 9 



29-744 29-735 29.729 29728 29-732 29 744 29 761 



769 

 •810 



7 76- 4 



•758 

 797 



10 



h. m. 

 14 41 



In. 



700 

 714 



11 



h. m. 

 15 41 



In. 



•711 



o o 



8 79 

 4 80 

 181' 8 



2 79 



9 80- 4 



3 82 



2 78 



3 77 



2 76 

 76- 8 76 

 2 



4 77 



3 80- 

 9 80- 



76- 9 76- 6 76 



5 77- 0 76- 7 76 



76- 3 76 



•750 

 789 



80- 4 80- 

 7 80- 2 79- 

 3 79- 7 79- 



76- S76 



749 

 783 



4 76- 

 5176- 

 1 75. 



12 



h. m. 

 16 41 



In. 



705 

 718 



13 



h. m. 

 17 41 



In. 



719 



.731 



6 78- 2 80- 1 

 79- 8 79- 7 81- 6 84 

 81- 4 81- 2 



9 76- 5 76- 1 



7 76- 



•754 

 •789 



2 80- 0 



2 78- 



2 75- 

 2 76- 

 9 75- 



75- 

 75' 5 



14 



h. m. 

 18 41 



In. 



740 

 •752 



83- 5 86 



766 782 

 •800 -819 



8 79' 2 79' 0 80- 1 



79- 9 80' 9 83 

 79" 0 

 7 78. 5 



79- 5 



9 75' 4 



0 75. 6 76- 0 76- 7 77' 1 

 7 75. 1 



15 



h. m. 

 19 41 



In. 



■757 

 •764 



16 



h. m. 

 20 41 



In. 



•767 

 •77-1 



83- 4j86 

 2:86 

 9 90' 1 



3 88 



4 S3 



78- 3 78. 6 79- 1 

 76- 9 77' 2 

 9,77- 3 



0 76 



1 



8 



8 83 



75- 4 76- 2 76- 8 77* 3 77 

 0 



75- 0 



17 



h. m. 

 21 41 



In. 



768 

 771 



18 



h. m. 

 22 41 



In. 



755 

 •757 



9 90- 

 6 90- 

 92- 3 94- 



4 91- 



2 78- 1 



29 775 29786 29 787 29777 29761 

 •801 1 -812 -814 -803 

 •841 -854 851 



87- 7 



8 86- 1 



2 92- 4 92 



89- 6 91 



19 



h. m. 

 23 41 



In. 



.732 

 •739 



4 96- 



6 79- 



20 21 



h. m jh. m. 

 0 41 I 41 



In. 



29 637 

 .705 

 •716 



In. 



29 809 29-787 29772 



•680 

 •693 



91- 



1 91- 0 

 1 92 

 8 97- 1 



7 79- 8 

 78- 8 79 2 

 78- 3 78 



77' 9 78- I 78- 4 78- 8 78- 



77- 4 77- 6 77- 9 78- 4 78' 9 79- 2 



75- 3 75- 8 76- 2 76- 6 77* 1 77" 5 77- 6 77' 8 



I 



79- 6 

 79- 

 • 0 



7 79 



29 739 29-717 

 758 730 

 •785 , 755 



92- 5 



92- 9 93- 2 92- 0 85- 4 

 8 85- 4 87" 6 89. 5 91- 2 92- 2 92. 9 ( 92« 3l91- 4 85. 0 

 87- 9 89- 5 90- 4 90" 6 90- 4 89- 1 84- 



22 



h. m- 

 2 41 



In. 



•658 

 •667 



90- 5 



9 90- 

 95- 6 93- 



3 91 



23 



h. m. 

 3 41 



In. 



Means 



•645 

 .653 



In. 



29 843 

 713 

 722 



79- 6 79- 

 79- 4 ! 79- 

 79- 479. 



-701 

 •729 



6 84- 

 85- 

 5187* 



6 78- 

 6 77- 

 3 77- 



29 69029-673 29-736 

 691 | 758 

 720 795 



79- 3 

 77' 8 



77- 41 

 77- 6 

 76- 7 



* The numbers in these columns are not observed but interpolated for the sake of obtaining- the daily means. 

 Madras Observatory: "\ 



