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 1974 335 4334 4350 4343 4360 4365 4360 4365 4344 4367 4359 4384 4366 4375 4370 4373 4372 4360 4352 4359 4371 4392 4376 4400 4390 4366.1 24 2 12 1974 336 4373 4378 4392 4383 4386 4370 4389 4381 4401 4404 4399 4401 4397 4429 4391 4390 4383 4382 4362 4381 4375 4367 4382 4356 4385.5 24 3 12 1974 337 4380 4386 4377 4375 4386 4365 4362 4370 4379 4374 4376 4383 4373 4390 4370 4384 4358 4365 4375 4382 4408 4369 4374 4382 4376.8 24 4 12 1974 338 4368 4374 4362 4384 4371 4368 4367 4387 4370 4383 4386 4369 4402 4384 4371 4370 4383 4371 4393 4364 4366 4364 4358 4368 4374.3 24 5 12 1974 339 4339 4342 4353 4363 4347 4357 4363 4374 4365 4413 4387 4393 4400 4398 4376 4382 4379 4372 4358 4358 4366 4353 4352 4344 4368.1 24 6 12 1974 340 4348 4350 4356 4358 4344 4377 4368 4377 4402 4402 4390 4385 4418 4409 4407 4381 4397 4388 4371 4378 4376 4359 4381 4380 4379.3 24 7 12 1974 341 4376 4374 4380 4370 4368 4363 4347 4385 4364 4387 4374 4389 4405 4414 4418 4410 4415 4387 4398 4382 4386 4394 4381 4399 4386.1 24 8 12 1974 342 4399 4403 4394 4379 4396 4400 4405 4398 4420 4400 4413 4394 4383 4389 4402 4429 4438 4397 4411 4400 4408 4396 4391 4395 4401.7 24 9 12 1974 343 4390 4381 4366 4370 4356 4358 4357 4355 4337 4386 4373 4373 4386 4387 4418 4420 4389 4419 4404 4392 4406 4420 4390 4393 4384.4 24 10 12 1974 344 4403 4381 4367 4389 4372 4346 4365 4378 4374 4364 4396 4387 4398 4404 4426 4391 4378 4362 4393 4385 4385 4383 4372 4373 4382.2 24 11 12 1974 345 4390 4357 4374 4341 4360 4381 4359 4370 4375 4380 4381 4397 4394 4386 4395 4369 4379 4397 4381 4374 4374 4354 4342 4342 4373.0 24 12 12 1974 346 4336 4342 4340 4353 4367 4339 4352 4371 4380 4364 4380 4391 4406 4393 4421 4383 4369 4370 4370 4374 4337 4355 4350 4355 4366.6 24 13 12 1974 347 4365 4358 4373 4362 4370 4364 4385 4365 4352 4365 4355 4368 4379 4361 4375 4373 4387 4344 4355 4379 4363 4362 4361 4354 4365.6 24 14 12 1974 348 4371 4368 4348 4353 4359 4366 4356 4365 4371 4359 4364 4368 4375 4390 4375 4389 4370 4376 4351 4347 4373 4354 4365 4365 4365.8 24 15 12 1974 349 4361 4359 4346 4358 4350 4371 4351 4367 4376 4373 4388 4384 4399 4409 4386 4400 4383 4388 4382 4386 4377 4388 4391 4387 4377.5 24 16 12 1974 350 4391 4385 4378 4404 4411 4379 4389 4411 4408 4421 4426 4430 4422 4431 4403 4410 4406 4412 4435 4409 4415 4414 4419 4383 4408.0 24 17 12 1974 351 4423 4407 4389 4415 4398 4408 4399 4408 4395 4395 4414 4424 4429 4424 4403 4409 4396 4423 4418 4390 4410 4396 4400 4377 4406.3 24 18 12 1974 352 4391 4400 4401 4360 4379 4373 4372 4406 4413 4401 4397 4414 4427 4412 4406 4426 4398 4394 4402 4382 4394 4380 4387 4389 4396.0 24 19 12 1974 353 4390 4380 4395 4389 4402 4390 4370 4390 4381 4448 4434 4426 4433 4441 4406 4421 4393 4437 4398 4412 4399 4384 4395 4396 4404.6 24 20 12 1974 354 4394 4408 4386 4406 4394 4386 4396 4395 4417 4391 4416 4411 4421 4404 4410 4404 4406 4384 4402 4392 4377 4378 4399 4385 4398.4 24 21 12 1974 355 4382 4390 4399 4380 4389 4396 4399 4406 4394 4402 4396 4399 4414 4412 4401 4407 4415 4402 4388 4411 4394 4393 4395 4408 4398.8 24 22 12 1974 356 4426 4417 4438 4419 4427 4403 4389 4396 4366 4393 4404 4374 4381 4393 4392 4383 4386 4387 4390 4395 4400 4390 4390 4377 4396.5 24 23 12 1974 357 4400 4393 4416 4388 4390 4381 4398 4381 4394 4391 4386 4408 4413 4406 4405 4446 4435 4426 4416 4430 4428 4447 4428 4428 4409.8 24 24 12 1974 358 4444 4444 4430 4420 4425 4423 4420 4426 4416 4411 4423 4407 4441 4417 4421 4418 4427 4429 4451 4436 4459 4448 4472 4427 4430.6 24 25 12 1974 359 4433 4421 4440 4397 4416 4418 4421 4426 4426 4458 4418 4426 4434 4414 4426 4426 4402 4443 4431 4408 4416 4410 4438 4395 4422.6 24 26 12 1974 360 4394 4403 4379 4411 4382 4383 4369 4367 4354 4373 4372 4387 4377 4372 4386 4373 4369 4360 4381 4386 4411 4387 4382 4393 4381.3 24 27 12 1974 361 4387 4388 4372 4382 4391 4369 4375 4373 4388 4390 4382 4395 4389 4389 4370 4402 4401 4389 4384 4377 4368 4376 4370 4352 4381.6 24 28 12 1974 362 4354 4361 4356 4392 4373 4361 4379 4373 4393 4389 4386 4398 4383 4389 4368 4359 4360 4340 4343 4338 4339 4351 4340 4340 4365.2 24 29 12 1974 363 4359 4359 4381 4369 4377 4384 4371 4352 4378 4361 4371 4360 4360 4339 4354 4375 4360 4362 4361 4360 4364 4348 4355 4349 4362.9 24 30 12 1974 364 4345 4358 4349 4345 4359 4386 4374 4358 4356 4343 4359 4341 4359 4365 4347 4355 4333 4324 4364 4349 4335 4356 4355 4358 4353.0 24 31 12 1974 365 4371 4361 4384 4378 4361 4391 4378 4380 4374 4386 4382 4366 4378 4348 4365 4381 4365 4361 4343 4363 4363 4380 4365 4375 4370.8 24 MONTHLY MEANS 4381 4380 4379 4379 4380 4378 4377 4382 4383 4389 4391 4391 4398 4396 4392 4395 4388 4385 4386 4384 4386 4382 4383 4378 4385.1 C-12