MAGNETIC OBSERVATORY, HERMANUS SOUTH AFRICA, IN COLLABORATION WITH THE COSMIC RAY RESEARCH UNIT, POTCHEFSTROOM UNIVERSITY HERMANUS 12-NM-64 NEUTRON MONITOR COORDINATES 34 25 S, 19 13 E ALTITUDE 26 METERS REAL COUNTS 100 TIMES TABULATED VALUES CORRECTED TO 760.0 MM HG CO-EFFICIENT 0.95 PERCENT/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 1973 335 4438 4461 4441 4453 4462 4440 4476 4449 4453 4465 4468 4441 4470 4448 4451 4452 4475 4442 4430 4441 4430 4444 4418 4434 4449.3 24 2 12 1973 336 4440 4454 4446 4416 4436 4448 4444 4432 4422 4455 4453 0 0 0 0 0 4447 4450 4439 4425 4428 4440 4423 4426 4438.1 19 3 12 1973 337 4459 4420 4437 4431 4451 4429 4444 4404 4433 4419 4436 4419 4435 4454 4473 4432 4444 4467 4491 4458 4447 4458 4466 4432 4443.3 24 4 12 1973 338 4446 4467 4444 4444 4463 4458 4443 4459 4462 4445 4447 4444 4448 4450 4468 4465 4458 4467 4486 4468 4445 4446 4480 4478 4457.5 24 5 12 1973 339 4461 4440 4427 4432 4457 4459 4445 4446 4448 4456 4459 4446 4465 4453 4445 4444 4443 4448 4448 4469 4448 4454 4457 4427 4449.0 24 6 12 1973 340 4438 4470 4447 4430 4448 4441 4430 0 4445 4460 4468 4456 4441 4443 4428 4464 4443 4437 4460 4427 4422 4449 4435 4446 4444.7 23 7 12 1973 341 4428 4434 4434 4432 4426 4459 4436 4432 4445 4428 4467 4449 4457 4441 4432 4447 4435 4448 4406 4395 4408 4429 4426 4415 4433.7 24 8 12 1973 342 4413 4414 4423 4419 4428 4417 4426 4410 4429 4428 4435 4434 4450 4460 4427 4427 4422 4419 4426 4410 4425 4445 4445 4449 4428.4 24 9 12 1973 343 4443 4433 4453 4442 4449 4426 4438 4452 4445 4459 4467 4447 4457 4446 4450 4462 4458 4428 4432 4462 4460 4442 4437 4449 4447.4 24 10 12 1973 344 4473 4462 4466 4459 4461 4447 4452 0 0 4446 4453 4438 4451 4450 4410 4453 4444 4432 4434 4448 4436 4445 4464 4441 4448.4 22 11 12 1973 345 4461 4485 4480 4461 4435 4453 4427 4431 4434 4435 4445 4442 4453 4426 4432 4430 4470 4454 4433 4414 4447 4444 4434 4424 4443.8 24 12 12 1973 346 4430 4424 4418 4433 4440 4416 4439 4449 4434 4432 4441 4449 4440 4442 4448 4431 4433 4421 4446 4441 4435 4436 4422 4415 4434.0 24 13 12 1973 347 4408 4434 4431 4443 4429 4422 4421 4448 4413 4439 4439 4438 4433 4434 4442 4433 4432 4438 4440 4432 4457 4438 4421 4429 4433.1 24 14 12 1973 348 4427 4439 4426 4419 4420 4427 4423 4430 4445 4460 4441 4427 4431 4439 4436 4449 4441 4454 4438 4469 4458 4461 4455 4467 4440.9 24 15 12 1973 349 4453 4443 4439 4450 4452 4427 4440 4459 4433 4457 4455 4456 4463 4450 4413 4437 4437 4422 4440 4419 4404 4431 4448 4441 4440.4 24 16 12 1973 350 4418 4423 4444 4453 4433 4434 4440 4435 4421 4438 4429 4447 4435 4443 4429 4428 4411 4433 4434 4439 4423 4413 4421 4415 4430.8 24 17 12 1973 351 4420 4440 4425 4441 4445 4443 4439 4426 4427 4458 4457 4472 4456 4443 4466 4433 4453 4456 4454 4445 4459 4457 4455 4461 4447.1 24 18 12 1973 352 4461 4456 4473 4450 4471 4451 4456 4438 4460 4487 4461 4471 4467 4462 4463 4448 4441 4441 4449 4459 4472 4461 4455 4445 4458.3 24 19 12 1973 353 4473 4456 4454 4438 4445 4452 4451 4443 4445 4460 4471 4459 4425 4460 4468 4458 4470 4469 4475 4485 4482 4476 4481 4458 4460.6 24 20 12 1973 354 4463 4457 4456 4469 4463 4477 4461 4460 4471 4465 4461 4489 4486 4512 4487 4468 4490 4489 4481 4476 4477 4468 4468 4466 4473.3 24 21 12 1973 355 4453 4471 4464 4446 4456 4474 4451 4438 4454 4473 4484 4466 4469 4492 4491 4473 4462 4454 4461 4463 4454 4448 4467 4462 4463.6 24 22 12 1973 356 4456 4427 4425 4436 4412 4418 4416 4431 4441 4429 4427 4426 4441 4457 4436 4453 4449 4463 4430 4448 4438 4443 4424 4423 4435.4 24 23 12 1973 357 4414 4426 4427 4425 4402 4412 4424 4423 4439 4436 4450 4464 4446 4442 4432 4453 4418 4420 4430 4412 4413 4427 4413 4432 4428.3 24 24 12 1973 358 4431 4430 4431 4431 4442 4434 4441 4448 0 0 4447 4462 4437 4473 4443 4464 4436 4456 4428 4445 4428 4427 4413 4436 4440.1 22 25 12 1973 359 4428 4422 4436 4441 4433 4457 4443 4451 4469 4465 4468 4467 4456 4454 4449 4464 4454 4438 4459 4449 4437 4447 4414 4430 4447.1 24 26 12 1973 360 4439 4435 4446 4431 4455 4434 4441 4448 4452 4460 4431 4451 4454 4453 4472 4471 4447 4462 4438 4455 4441 4444 4451 4476 4449.5 24 27 12 1973 361 4439 4465 4452 4469 4461 4442 4462 4457 4451 4455 4453 4463 4446 4454 4439 4452 4424 4451 4437 4434 4433 4452 4435 4460 4449.4 24 28 12 1973 362 4457 4470 4464 4457 4474 4464 4458 4445 4459 4452 4452 4479 4451 4442 4427 4425 4408 4429 4436 4414 4407 4417 4412 4421 4442.5 24 29 12 1973 363 4411 4412 4398 4402 4404 4421 4410 4414 4421 4435 4434 4438 4437 4415 4407 4432 4407 4422 4423 4393 4387 4392 4405 4407 4413.6 24 30 12 1973 364 4408 4420 4407 4390 4419 4397 4397 4395 4414 4426 4418 4454 4427 4437 4416 4415 4413 4427 4422 4404 4379 4398 4408 4402 4412.2 24 31 12 1973 365 4401 4415 4390 4394 4392 4385 4404 4401 4414 4431 4415 4413 4428 4426 4402 4416 4414 4424 4405 4411 4407 4421 4416 4414 4410.0 24 MONTHLY MEANS 4438 4442 4439 4437 4441 4438 4438 4436 4441 4448 4449 4450 4449 4450 4443 4446 4441 4444 4442 4439 4435 4440 4438 4438 4441.8 C-12