COSMIC RAY RESEARCH UNIT, POTCHEFSTROOM UNIVERSITY, POTCHEFSTROOM SOUTH AFRICA 18NM64 NEUTRON MONITOR TSUMEB, NAMIBIA COORDINATES 19 12 S, 17 35 E ALTITUDE 1240 METERS BAROMETRIC PRESSURE IN QUANTITIES OF 0.1 MM HG DATE DAY UT 01 02 03 04 05 06 07 08 09 10 11 12 DAILY MEANS 13 14 15 16 17 18 19 20 21 22 23 24 1 12 1998 335 6575 6576 6579 6580 6583 6586 6587 6587 6585 6579 6575 6568 6559 6552 6546 6543 6546 6552 6557 6564 6569 6572 6571 6571 6569.3 24 2 12 1998 336 6568 6563 6562 6563 6568 6571 6574 6573 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6567.8 8 3 12 1998 337 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 4 12 1998 338 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 5 12 1998 339 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 6 12 1998 340 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 7 12 1998 341 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 8 12 1998 342 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 9 12 1998 343 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 10 12 1998 344 6587 6588 6588 6590 6593 6597 6598 6596 6593 6590 6585 6578 6570 6563 6559 6557 6557 6561 6565 6575 6592 6597 6596 6595 6582.1 24 11 12 1998 345 6593 6592 6588 6587 6591 6594 6598 6599 6597 6593 6588 6583 6578 6574 6572 6569 6570 6574 6580 6583 6588 6589 6586 6583 6585.4 24 12 12 1998 346 6581 6580 6581 6584 6587 6591 6593 6594 6591 6587 6583 6577 6569 6563 6558 6560 6564 6568 6573 6577 6580 6580 6578 6574 6578.0 24 13 12 1998 347 6574 6574 6575 6578 6581 6585 6586 6587 6586 6582 6576 6569 6561 6558 6555 6553 6557 6561 6565 6569 6572 6569 6568 6568 6571.2 24 14 12 1998 348 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 15 12 1998 349 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 16 12 1998 350 6571 6573 6575 6576 6576 6578 6582 6584 6583 6580 6575 6569 6561 6554 6551 6550 6550 6557 6564 6583 6590 6595 6589 6579 6572.7 24 17 12 1998 351 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 18 12 1998 352 6570 6568 6570 6573 6578 6581 6582 6582 6581 6576 6567 6561 6560 6563 6561 6565 6568 6573 6576 6580 6582 6585 6586 6584 6573.8 24 19 12 1998 353 6580 6580 6581 6582 6587 6591 6590 6589 6587 6586 6583 6581 6576 6571 6568 6568 6574 6578 6581 6585 6587 6589 6586 6583 6581.8 24 20 12 1998 354 6580 6579 6579 6578 6581 6586 6590 6590 6587 6583 6578 6572 6567 6562 6558 6556 6559 6562 6563 6562 6561 6564 6562 6557 6571.5 24 21 12 1998 355 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 22 12 1998 356 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 23 12 1998 357 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 24 12 1998 358 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 25 12 1998 359 6573 6573 6573 6575 6579 6582 6584 6584 6582 6578 6571 6564 6557 6550 6551 6554 6561 6569 6574 6580 6583 6584 6580 6575 6572.3 24 26 12 1998 360 6572 6568 6567 6567 6571 6573 6574 6574 6573 6571 6567 6561 6556 6552 6547 6549 6551 6556 6562 6566 6568 6571 6569 6564 6564.5 24 27 12 1998 361 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 28 12 1998 362 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 29 12 1998 363 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 30 12 1998 364 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 31 12 1998 365 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.0 0 MONTHLY MEANS 6577 6576 6577 6578 6581 6585 6586 6587 6586 6582 6577 6571 6565 6560 6557 6557 6560 6565 6569 6575 6579 6581 6579 6576 6574.4 P-12 &l0H