Measurement results by the hour (Chofu) 15 Oct., 2012 - 21 Oct., 2012

Shown in µGy/h (microgray per hour)

Gray indicates an amount of energy (absorbed dose) when radiation hits a material object, and 1 gray (Gy) of radiation doses in the air can be converted to 1 sievert (Sv).

Measurement time Dose rate
μGy/h (microgray per hour)
Maximum value Minimum value Average value
23:01-24:00, Sun., 21 Oct. 0.0388 0.0344 0.0363
22:01-23:00, Sun., 21 Oct. 0.0405 0.0344 0.0363
21:01-22:00, Sun., 21 Oct. 0.0396 0.0349 0.0363
20:01-21:00, Sun., 21 Oct. 0.0372 0.0337 0.0359
19:01-20:00, Sun., 21 Oct. 0.0385 0.0329 0.0354
18:01-19:00, Sun., 21 Oct. 0.0382 0.0330 0.0352
17:01-18:00, Sun., 21 Oct. 0.0398 0.0332 0.0352
16:01-17:00, Sun., 21 Oct. 0.0376 0.0335 0.0352
15:01-16:00, Sun., 21 Oct. 0.0369 0.0334 0.0353
14:01-15:00, Sun., 21 Oct. 0.0384 0.0333 0.0353
13:01-14:00, Sun., 21 Oct. 0.0367 0.0336 0.0352
12:01-13:00, Sun., 21 Oct. 0.0373 0.0329 0.0354
11:01-12:00, Sun., 21 Oct. 0.0374 0.0332 0.0355
10:01-11:00, Sun., 21 Oct. 0.0385 0.0336 0.0358
09:01-10:00, Sun., 21 Oct. 0.0400 0.0339 0.0362
08:01-09:00, Sun., 21 Oct. 0.0389 0.0339 0.0366
07:01-08:00, Sun., 21 Oct. 0.0398 0.0350 0.0367
06:01-07:00, Sun., 21 Oct. 0.0397 0.0340 0.0366
05:01-06:00, Sun., 21 Oct. 0.0382 0.0349 0.0366
04:01-05:00, Sun., 21 Oct. 0.0396 0.0349 0.0367
03:01-04:00, Sun., 21 Oct. 0.0412 0.0349 0.0369
02:01-03:00, Sun., 21 Oct. 0.0393 0.0344 0.0366
01:01-02:00, Sun., 21 Oct. 0.0385 0.0339 0.0362
00:01-01:00, Sun., 21 Oct. 0.0386 0.0334 0.0363
23:01-24:00, Sat., 20 Oct. 0.0382 0.0337 0.0360
22:01-23:00, Sat., 20 Oct. 0.0379 0.0338 0.0356
21:01-22:00, Sat., 20 Oct. 0.0373 0.0329 0.0352
20:01-21:00, Sat., 20 Oct. 0.0367 0.0334 0.0351
19:01-20:00, Sat., 20 Oct. 0.0378 0.0328 0.0349
18:01-19:00, Sat., 20 Oct. 0.0368 0.0329 0.0351
17:01-18:00, Sat., 20 Oct. 0.0366 0.0326 0.0349
16:01-17:00, Sat., 20 Oct. 0.0365 0.0325 0.0347
15:01-16:00, Sat., 20 Oct. 0.0364 0.0327 0.0348
14:01-15:00, Sat., 20 Oct. 0.0371 0.0328 0.0349
13:01-14:00, Sat., 20 Oct. 0.0373 0.0330 0.0349
12:01-13:00, Sat., 20 Oct. 0.0369 0.0332 0.0351
11:01-12:00, Sat., 20 Oct. 0.0386 0.0333 0.0355
10:01-11:00, Sat., 20 Oct. 0.0372 0.0347 0.0360
09:01-10:00, Sat., 20 Oct. 0.0391 0.0348 0.0364
08:01-09:00, Sat., 20 Oct. 0.0394 0.0339 0.0362
07:01-08:00, Sat., 20 Oct. 0.0392 0.0342 0.0363
06:01-07:00, Sat., 20 Oct. 0.0380 0.0343 0.0364
05:01-06:00, Sat., 20 Oct. 0.0392 0.0346 0.0365
04:01-05:00, Sat., 20 Oct. 0.0383 0.0331 0.0363
03:01-04:00, Sat., 20 Oct. 0.0378 0.0333 0.0357
02:01-03:00, Sat., 20 Oct. 0.0383 0.0343 0.0362
01:01-02:00, Sat., 20 Oct. 0.0375 0.0331 0.0359
00:01-01:00, Sat., 20 Oct. 0.0377 0.0337 0.0358
23:01-24:00, Fri., 19 Oct. 0.0370 0.0330 0.0352
22:01-23:00, Fri., 19 Oct. 0.0370 0.0336 0.0353
21:01-22:00, Fri., 19 Oct. 0.0371 0.0332 0.0351
20:01-21:00, Fri., 19 Oct. 0.0379 0.0329 0.0350
19:01-20:00, Fri., 19 Oct. 0.0371 0.0332 0.0351
18:01-19:00, Fri., 19 Oct. 0.0366 0.0326 0.0347
17:01-18:00, Fri., 19 Oct. 0.0370 0.0329 0.0348
16:01-17:00, Fri., 19 Oct. 0.0365 0.0332 0.0347
15:01-16:00, Fri., 19 Oct. 0.0367 0.0322 0.0348
14:01-15:00, Fri., 19 Oct. 0.0364 0.0326 0.0346
13:01-14:00, Fri., 19 Oct. 0.0373 0.0327 0.0347
12:01-13:00, Fri., 19 Oct. 0.0371 0.0322 0.0349
11:01-12:00, Fri., 19 Oct. 0.0381 0.0336 0.0352
10:01-11:00, Fri., 19 Oct. 0.0370 0.0328 0.0352
09:01-10:00, Fri., 19 Oct. 0.0372 0.0333 0.0355
08:01-09:00, Fri., 19 Oct. 0.0378 0.0336 0.0355
07:01-08:00, Fri., 19 Oct. 0.0384 0.0333 0.0354
06:01-07:00, Fri., 19 Oct. 0.0375 0.0336 0.0357
05:01-06:00, Fri., 19 Oct. 0.0420 0.0343 0.0372
04:01-05:00, Fri., 19 Oct. 0.0506 0.0366 0.0432
03:01-04:00, Fri., 19 Oct. 0.0594 0.0487 0.0532
02:01-03:00, Fri., 19 Oct. 0.0608 0.0533 0.0571
01:01-02:00, Fri., 19 Oct. 0.0573 0.0456 0.0507
00:01-01:00, Fri., 19 Oct. 0.0499 0.0438 0.0470
23:01-24:00, Thu., 18 Oct. 0.0558 0.0453 0.0501
22:01-23:00, Thu., 18 Oct. 0.0606 0.0472 0.0539
21:01-22:00, Thu., 18 Oct. 0.0508 0.0409 0.0463
20:01-21:00, Thu., 18 Oct. 0.0476 0.0382 0.0431
19:01-20:00, Thu., 18 Oct. 0.0405 0.0353 0.0373
18:01-19:00, Thu., 18 Oct. 0.0403 0.0348 0.0370
17:01-18:00, Thu., 18 Oct. 0.0417 0.0360 0.0379
16:01-17:00, Thu., 18 Oct. 0.0431 0.0355 0.0386
15:01-16:00, Thu., 18 Oct. 0.0390 0.0345 0.0364
14:01-15:00, Thu., 18 Oct. 0.0415 0.0353 0.0378
13:01-14:00, Thu., 18 Oct. 0.0434 0.0365 0.0396
12:01-13:00, Thu., 18 Oct. 0.0394 0.0343 0.0365
11:01-12:00, Thu., 18 Oct. 0.0399 0.0341 0.0363
10:01-11:00, Thu., 18 Oct. 0.0389 0.0341 0.0362
09:01-10:00, Thu., 18 Oct. 0.0396 0.0347 0.0363
08:01-09:00, Thu., 18 Oct. 0.0428 0.0356 0.0378
07:01-08:00, Thu., 18 Oct. 0.0406 0.0347 0.0375
06:01-07:00, Thu., 18 Oct. 0.0402 0.0340 0.0360
05:01-06:00, Thu., 18 Oct. 0.0372 0.0335 0.0358
04:01-05:00, Thu., 18 Oct. 0.0386 0.0338 0.0357
03:01-04:00, Thu., 18 Oct. 0.0377 0.0336 0.0360
02:01-03:00, Thu., 18 Oct. 0.0370 0.0343 0.0357
01:01-02:00, Thu., 18 Oct. 0.0386 0.0344 0.0362
00:01-01:00, Thu., 18 Oct. 0.0394 0.0351 0.0367
23:01-24:00, Wed., 17 Oct. 0.0397 0.0346 0.0371
22:01-23:00, Wed., 17 Oct. 0.0410 0.0358 0.0378
21:01-22:00, Wed., 17 Oct. 0.0414 0.0354 0.0379
20:01-21:00, Wed., 17 Oct. 0.0441 0.0368 0.0409
19:01-20:00, Wed., 17 Oct. 0.0495 0.0398 0.0429
18:01-19:00, Wed., 17 Oct. 0.0518 0.0431 0.0476
17:01-18:00, Wed., 17 Oct. 0.0538 0.0396 0.0454
16:01-17:00, Wed., 17 Oct. 0.0442 0.0351 0.0398
15:01-16:00, Wed., 17 Oct. 0.0391 0.0350 0.0367
14:01-15:00, Wed., 17 Oct. 0.0390 0.0342 0.0363
13:01-14:00, Wed., 17 Oct. 0.0394 0.0349 0.0363
12:01-13:00, Wed., 17 Oct. 0.0381 0.0342 0.0362
11:01-12:00, Wed., 17 Oct. 0.0405 0.0348 0.0368
10:01-11:00, Wed., 17 Oct. 0.0398 0.0355 0.0370
09:01-10:00, Wed., 17 Oct. 0.0400 0.0356 0.0375
08:01-09:00, Wed., 17 Oct. 0.0403 0.0348 0.0376
07:01-08:00, Wed., 17 Oct. 0.0421 0.0350 0.0373
06:01-07:00, Wed., 17 Oct. 0.0409 0.0351 0.0376
05:01-06:00, Wed., 17 Oct. 0.0414 0.0350 0.0372
04:01-05:00, Wed., 17 Oct. 0.0395 0.0350 0.0371
03:01-04:00, Wed., 17 Oct. 0.0416 0.0353 0.0376
02:01-03:00, Wed., 17 Oct. 0.0406 0.0360 0.0375
01:01-02:00, Wed., 17 Oct. 0.0406 0.0358 0.0376
00:01-01:00, Wed., 17 Oct. 0.0407 0.0345 0.0367
23:01-24:00, Tue., 16 Oct. 0.0399 0.0346 0.0366
22:01-23:00, Tue., 16 Oct. 0.0394 0.0344 0.0362
21:01-22:00, Tue., 16 Oct. 0.0378 0.0339 0.0360
20:01-21:00, Tue., 16 Oct. 0.0375 0.0342 0.0359
19:01-20:00, Tue., 16 Oct. 0.0393 0.0345 0.0362
18:01-19:00, Tue., 16 Oct. 0.0381 0.0341 0.0360
17:01-18:00, Tue., 16 Oct. 0.0369 0.0338 0.0356
16:01-17:00, Tue., 16 Oct. 0.0382 0.0345 0.0361
15:01-16:00, Tue., 16 Oct. 0.0381 0.0336 0.0359
14:01-15:00, Tue., 16 Oct. 0.0391 0.0336 0.0360
13:01-14:00, Tue., 16 Oct. 0.0373 0.0343 0.0360
12:01-13:00, Tue., 16 Oct. 0.0390 0.0342 0.0362
11:01-12:00, Tue., 16 Oct. 0.0395 0.0346 0.0365
10:01-11:00, Tue., 16 Oct. 0.0394 0.0350 0.0364
09:01-10:00, Tue., 16 Oct. 0.0399 0.0347 0.0367
08:01-09:00, Tue., 16 Oct. 0.0400 0.0353 0.0369
07:01-08:00, Tue., 16 Oct. 0.0401 0.0341 0.0366
06:01-07:00, Tue., 16 Oct. 0.0401 0.0344 0.0365
05:01-06:00, Tue., 16 Oct. 0.0395 0.0346 0.0366
04:01-05:00, Tue., 16 Oct. 0.0390 0.0346 0.0365
03:01-04:00, Tue., 16 Oct. 0.0386 0.0343 0.0364
02:01-03:00, Tue., 16 Oct. 0.0389 0.0342 0.0362
01:01-02:00, Tue., 16 Oct. 0.0395 0.0335 0.0362
00:01-01:00, Tue., 16 Oct. 0.0382 0.0345 0.0363
23:01-24:00, Mon., 15 Oct. 0.0410 0.0336 0.0361
22:01-23:00, Mon., 15 Oct. 0.0392 0.0346 0.0361
21:01-22:00, Mon., 15 Oct. 0.0384 0.0345 0.0360
20:01-21:00, Mon., 15 Oct. 0.0379 0.0340 0.0360
19:01-20:00, Mon., 15 Oct. 0.0389 0.0343 0.0360
18:01-19:00, Mon., 15 Oct. 0.0374 0.0342 0.0360
17:01-18:00, Mon., 15 Oct. 0.0372 0.0338 0.0357
16:01-17:00, Mon., 15 Oct. 0.0377 0.0345 0.0361
15:01-16:00, Mon., 15 Oct. 0.0382 0.0341 0.0359
14:01-15:00, Mon., 15 Oct. 0.0376 0.0335 0.0359
13:01-14:00, Mon., 15 Oct. 0.0380 0.0346 0.0359
12:01-13:00, Mon., 15 Oct. 0.0377 0.0344 0.0360
11:01-12:00, Mon., 15 Oct. 0.0389 0.0348 0.0362
10:01-11:00, Mon., 15 Oct. 0.0415 0.0348 0.0366
09:01-10:00, Mon., 15 Oct. 0.0405 0.0351 0.0372
08:01-09:00, Mon., 15 Oct. 0.0411 0.0348 0.0377
07:01-08:00, Mon., 15 Oct. 0.0406 0.0357 0.0376
06:01-07:00, Mon., 15 Oct. 0.0410 0.0352 0.0375
05:01-06:00, Mon., 15 Oct. 0.0391 0.0351 0.0368
04:01-05:00, Mon., 15 Oct. 0.0397 0.0353 0.0367
03:01-04:00, Mon., 15 Oct. 0.0387 0.0341 0.0363
02:01-03:00, Mon., 15 Oct. 0.0389 0.0347 0.0364
01:01-02:00, Mon., 15 Oct. 0.0381 0.0334 0.0363
00:01-01:00, Mon., 15 Oct. 0.0390 0.0343 0.0362