0.-11

52

Table of Hourly Means for Months— 1904.

Month. j Oh. lh. 2h. 3h. 4h. 5h. 6h. 7h. 8h. 9h. lOh. llh. 12h. 13h. 14h. 15h. 16h. 17h- 18h. 19h. 20h. 21h. I 22h. 23h. [Mean. January February March April MayJune July August September October November December Min. 21-7 21-5 21-3 22-2 20-3 20-5 20-7 20-9 21-2 23-5 24-0 24-4 Min. 24-2 23-9 23-6 24-4 22-0 21-8 22-1 22-8 23-6 26-0 26-9 27-2 Min. Min. Min. Min. Min. 25-0 24-9 | 24-1 23-3 | 22-8 25-3 25-4 24-4 23-2 22-3 24-9 25-0 24-4 22-9 22-3 25-6 25-7 24-8 23-8 23-0 23-3 23-3 22-6 21-6 20-8 22-7 23-2 22-8 21-7 21-1 23-4 23-9 23-5 22-5 21-6 24-3 25-1 25-1 24-2 23-2 25-3 26-2 25-9 25-0 23-8 27-7 27-8 26-8 25-6 24-3 29-0 29-0 28-1 26-9 25-4 28-9 29-6 28-9 27-6 26-0 Min. 24-9 25-4 25-0 25-7 23-3 23-2 23-9 25-1 26-2 27-8 29-0 29-6 Min. 22-8 22-3 22-3 23-0 20-8 21-1 21-6 23-2 23-8 24-3 25-4 26-0 Declination (east of norfc Min. Min. Min. Min. 22-2 ! 21-7 21-2 j 20-8 21-5 21-5 21-1 20-5 22-0 21-4 20-8 20-7 22-3 22-2 21-5 21-0 20-5 19-7 19-1 19-4 21-0 20-9 j 20-7 20-0 21-7 21-6 21-3 20-8 23-0 22-7 22-6 22-2 23-2 22-7 22-4 21-9 23-4 23-1 22-8 22-5 24-2 23-7 23-1 22-4 24-8 24-0 23-9 23-4 if north) : 16° + . . .' Min. Min. Min. -Min. | 20-8 20-4 20-2 j 20-4 20-5 20-4 20-4 ! 20-2 20-7 20-6 20-5 20-5 21-0 20-9 20-6 21-0 19-4 19-1 19-0 18-8 20-0 19-6 19-4 19-9 20-8 20-6 20-5 20-6 22-2 22-2 21-4 21-4 21-9 21-7 21-6 21-5 22-5 22-1 21-9 21-8 22-4 22-4 22-1 22-0 23-4 23-1 22-9 22-8 -Min. I 20-2 20-2 20-5 20-9 18-9 20-1 20-9 21-7 21-9 22-0 21-9 22-9 Min. 20-0 20-3 20-6 21-5 19-8 20-4 21-2 21-8 22-3 22-0 22-4 23-0 Min. .Min. Min. Min. 20-5 j 20-1 19-3 18-2 I 20-4 20-3 20-1 18-7 20-5 20-6 20-5 19-9 21-8 21-7 21-6 21-2 20-1 20-4 20-4 20-2 20-7 20-8 20-7 20-8 21-5 21-6 21-5 21-3 22-2 22-0 22-1 22-1 22-6 22-5 22-4 22-1 22-3 22-6 22-0 20-6 22-8 22-7 22-0 20-1 23-1 22-5 21-6 20-0 Min. 16-8 ; i7-2 18-7 20-9 19-9 20-8 21-4 21-6 21-1 18-8 18-2 18-3 Min. 16-3 16-1 17-4 200 19-7 20-5 21-3 20-7 19-6 17-8 17-0 17-4 Min. 17-3 I 16-5 16-7 19-6 19-2 19-9 20-5 19-6 18-5 18-2 17-9 18-4 Min. I 19-4 18-9 18-8 20-3 19-3 19-8 201 19-4 19-0 20-5 20-6 20-9 Mini 20-9 20-8 21-0 22-0 20-3 20-8 21-5 22-2 224 22-7 23-1 23-6 Means — 21-8 24-0 25-4 25-8 25-1 24-0 23-0 23-0 22-5 22-1 21-7 21-3 21-3 21-1 20-9 20-9 210 21-3 21-5 21-5 21-2 20-4 19-5 18-6 18-5 19-7 21-8 I— I -1 i 1 __ ■ i |. ! "I 1 ■ January February March April May June July -August September October November December 623 624 634 613 626 643 641 637 629 615 608 615 634 632 638 615 626 639 636 631 628 622 618 627 645 655 658 663 660 642 650 657 657 657 644 651 657 659 657 620 627 j 633 634 636 630 632 i 635 639 639 638 642 ! 648 653 653 635 640 ': 646 651 651 632 638 i 643 648 651 630 635 642 645 647 634 645 i 652 650 649 637 649 I 655 657 652 641 654 | 664 662 658 636 j 643 ! 649 ! 651 651 Horizontal Force: 0-2! 658 657 I 655 ! 657 654 : 654 654 ; 656 657 659 658 i 659 638 638 637 637 640 633 635 638 653 653 652 652 651 650 650 650 650 649 650 650 648 649 648 648 647 647 645 647 650 647 644 645 653 652 651 650 650 ! 649 648 i 649 j .: 0-22 ... C.G.S. ! 657 656 I 654 j 654 ; 656 655 j 656 657 : 659 657 658 658 637 639 638 637 638 637 637 637 652 650 i 649 650 650 650 649 649 650 651 650 650 648 649 650 649 647 644 644 646 645 644 644 643 650 648 648 648 649 I 648 648 648 653 653 658 640 640 651 650 652 650 644 642 646 654 652 657 639 639 651 650 651 649 645 642 645 653 655 653 650 652 652 653 652 658 657 i 658 657 639 642 i 645 644 640 642 ' 643 644 653 653 : 654 655 650 650 I 653 656 651 653 ! 653 654 650 652 j 652 654 646 648 I 650 647 643 643 : 645 644 645 647 ; 648 ] 646 648 649 i 651 650 642 642 653 640 645 656 657 656 655 640 636 636 630 633 646 633 642 658 659 656 651 630 623 623 626 | 623 638 625 637 656 ! 656 651 646 620 609 612 | 619 618 635 616 624 > 651 650 643 636 614 603 606 648 647 653 634 637 651 649 648 646 640 638 643 Means ' 648 626 — 626 629 648 646 640 633 I ! 644 I— II j I- 1