Measurement results by the hour (Chofu) 24 Sep., 2012 - 30 Sep., 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., 30 Sep. 0.0386 0.0333 0.0354
22:01-23:00, Sun., 30 Sep. 0.0393 0.0349 0.0368
21:01-22:00, Sun., 30 Sep. 0.0441 0.0367 0.0397
20:01-21:00, Sun., 30 Sep. 0.0436 0.0372 0.0403
19:01-20:00, Sun., 30 Sep. 0.0449 0.0346 0.0399
18:01-19:00, Sun., 30 Sep. 0.0374 0.0332 0.0356
17:01-18:00, Sun., 30 Sep. 0.0382 0.0342 0.0362
16:01-17:00, Sun., 30 Sep. 0.0390 0.0340 0.0362
15:01-16:00, Sun., 30 Sep. 0.0370 0.0332 0.0351
14:01-15:00, Sun., 30 Sep. 0.0368 0.0333 0.0349
13:01-14:00, Sun., 30 Sep. 0.0365 0.0327 0.0352
12:01-13:00, Sun., 30 Sep. 0.0369 0.0330 0.0350
11:01-12:00, Sun., 30 Sep. 0.0367 0.0334 0.0352
10:01-11:00, Sun., 30 Sep. 0.0372 0.0335 0.0353
09:01-10:00, Sun., 30 Sep. 0.0369 0.0339 0.0355
08:01-09:00, Sun., 30 Sep. 0.0384 0.0342 0.0361
07:01-08:00, Sun., 30 Sep. 0.0410 0.0340 0.0365
06:01-07:00, Sun., 30 Sep. 0.0383 0.0348 0.0364
05:01-06:00, Sun., 30 Sep. 0.0378 0.0343 0.0365
04:01-05:00, Sun., 30 Sep. 0.0384 0.0344 0.0361
03:01-04:00, Sun., 30 Sep. 0.0384 0.0344 0.0360
02:01-03:00, Sun., 30 Sep. 0.0377 0.0345 0.0359
01:01-02:00, Sun., 30 Sep. 0.0389 0.0337 0.0358
00:01-01:00, Sun., 30 Sep. 0.0373 0.0341 0.0358
23:01-24:00, Sat., 29 Sep. 0.0373 0.0334 0.0355
22:01-23:00, Sat., 29 Sep. 0.0384 0.0332 0.0355
21:01-22:00, Sat., 29 Sep. 0.0371 0.0331 0.0353
20:01-21:00, Sat., 29 Sep. 0.0371 0.0337 0.0353
19:01-20:00, Sat., 29 Sep. 0.0375 0.0337 0.0356
18:01-19:00, Sat., 29 Sep. 0.0380 0.0339 0.0355
17:01-18:00, Sat., 29 Sep. 0.0378 0.0342 0.0356
16:01-17:00, Sat., 29 Sep. 0.0372 0.0336 0.0353
15:01-16:00, Sat., 29 Sep. 0.0383 0.0327 0.0355
14:01-15:00, Sat., 29 Sep. 0.0368 0.0335 0.0352
13:01-14:00, Sat., 29 Sep. 0.0369 0.0332 0.0352
12:01-13:00, Sat., 29 Sep. 0.0366 0.0316 0.0350
11:01-12:00, Sat., 29 Sep. 0.0370 0.0333 0.0349
10:01-11:00, Sat., 29 Sep. 0.0369 0.0333 0.0352
09:01-10:00, Sat., 29 Sep. 0.0372 0.0332 0.0354
08:01-09:00, Sat., 29 Sep. 0.0374 0.0342 0.0357
07:01-08:00, Sat., 29 Sep. 0.0394 0.0355 0.0366
06:01-07:00, Sat., 29 Sep. 0.0397 0.0349 0.0369
05:01-06:00, Sat., 29 Sep. 0.0383 0.0344 0.0362
04:01-05:00, Sat., 29 Sep. 0.0379 0.0337 0.0360
03:01-04:00, Sat., 29 Sep. 0.0371 0.0337 0.0357
02:01-03:00, Sat., 29 Sep. 0.0369 0.0337 0.0354
01:01-02:00, Sat., 29 Sep. 0.0377 0.0331 0.0350
00:01-01:00, Sat., 29 Sep. 0.0371 0.0334 0.0351
23:01-24:00, Fri., 28 Sep. 0.0372 0.0331 0.0348
22:01-23:00, Fri., 28 Sep. 0.0367 0.0330 0.0350
21:01-22:00, Fri., 28 Sep. 0.0370 0.0328 0.0350
20:01-21:00, Fri., 28 Sep. 0.0366 0.0327 0.0349
19:01-20:00, Fri., 28 Sep. 0.0361 0.0321 0.0348
18:01-19:00, Fri., 28 Sep. 0.0372 0.0328 0.0350
17:01-18:00, Fri., 28 Sep. 0.0369 0.0335 0.0350
16:01-17:00, Fri., 28 Sep. 0.0367 0.0331 0.0349
15:01-16:00, Fri., 28 Sep. 0.0366 0.0327 0.0349
14:01-15:00, Fri., 28 Sep. 0.0378 0.0335 0.0352
13:01-14:00, Fri., 28 Sep. 0.0383 0.0334 0.0355
12:01-13:00, Fri., 28 Sep. 0.0375 0.0334 0.0353
11:01-12:00, Fri., 28 Sep. 0.0368 0.0331 0.0353
10:01-11:00, Fri., 28 Sep. 0.0379 0.0336 0.0353
09:01-10:00, Fri., 28 Sep. 0.0370 0.0336 0.0354
08:01-09:00, Fri., 28 Sep. 0.0389 0.0329 0.0354
07:01-08:00, Fri., 28 Sep. 0.0382 0.0332 0.0354
06:01-07:00, Fri., 28 Sep. 0.0370 0.0323 0.0350
05:01-06:00, Fri., 28 Sep. 0.0374 0.0336 0.0354
04:01-05:00, Fri., 28 Sep. 0.0378 0.0335 0.0354
03:01-04:00, Fri., 28 Sep. 0.0372 0.0332 0.0352
02:01-03:00, Fri., 28 Sep. 0.0379 0.0325 0.0351
01:01-02:00, Fri., 28 Sep. 0.0366 0.0335 0.0350
00:01-01:00, Fri., 28 Sep. 0.0366 0.0333 0.0348
23:01-24:00, Thu., 27 Sep. 0.0374 0.0330 0.0352
22:01-23:00, Thu., 27 Sep. 0.0376 0.0327 0.0352
21:01-22:00, Thu., 27 Sep. 0.0369 0.0334 0.0351
20:01-21:00, Thu., 27 Sep. 0.0375 0.0331 0.0349
19:01-20:00, Thu., 27 Sep. 0.0367 0.0326 0.0347
18:01-19:00, Thu., 27 Sep. 0.0368 0.0330 0.0345
17:01-18:00, Thu., 27 Sep. 0.0364 0.0320 0.0344
16:01-17:00, Thu., 27 Sep. 0.0371 0.0333 0.0347
15:01-16:00, Thu., 27 Sep. 0.0365 0.0328 0.0346
14:01-15:00, Thu., 27 Sep. 0.0363 0.0326 0.0344
13:01-14:00, Thu., 27 Sep. 0.0363 0.0324 0.0344
12:01-13:00, Thu., 27 Sep. 0.0363 0.0320 0.0346
11:01-12:00, Thu., 27 Sep. 0.0372 0.0330 0.0347
10:01-11:00, Thu., 27 Sep. 0.0379 0.0333 0.0348
09:01-10:00, Thu., 27 Sep. 0.0376 0.0335 0.0352
08:01-09:00, Thu., 27 Sep. 0.0372 0.0329 0.0352
07:01-08:00, Thu., 27 Sep. 0.0368 0.0332 0.0351
06:01-07:00, Thu., 27 Sep. 0.0374 0.0333 0.0351
05:01-06:00, Thu., 27 Sep. 0.0383 0.0336 0.0353
04:01-05:00, Thu., 27 Sep. 0.0370 0.0334 0.0354
03:01-04:00, Thu., 27 Sep. 0.0381 0.0332 0.0352
02:01-03:00, Thu., 27 Sep. 0.0380 0.0331 0.0350
01:01-02:00, Thu., 27 Sep. 0.0370 0.0331 0.0350
00:01-01:00, Thu., 27 Sep. 0.0371 0.0335 0.0351
23:01-24:00, Wed., 26 Sep. 0.0367 0.0324 0.0349
22:01-23:00, Wed., 26 Sep. 0.0369 0.0325 0.0346
21:01-22:00, Wed., 26 Sep. 0.0370 0.0321 0.0344
20:01-21:00, Wed., 26 Sep. 0.0370 0.0322 0.0343
19:01-20:00, Wed., 26 Sep. 0.0366 0.0320 0.0343
18:01-19:00, Wed., 26 Sep. 0.0365 0.0324 0.0341
17:01-18:00, Wed., 26 Sep. 0.0367 0.0314 0.0344
16:01-17:00, Wed., 26 Sep. 0.0365 0.0323 0.0343
15:01-16:00, Wed., 26 Sep. 0.0381 0.0323 0.0345
14:01-15:00, Wed., 26 Sep. 0.0363 0.0322 0.0345
13:01-14:00, Wed., 26 Sep. 0.0365 0.0326 0.0345
12:01-13:00, Wed., 26 Sep. 0.0364 0.0321 0.0344
11:01-12:00, Wed., 26 Sep. 0.0371 0.0315 0.0344
10:01-11:00, Wed., 26 Sep. 0.0369 0.0321 0.0348
09:01-10:00, Wed., 26 Sep. 0.0368 0.0327 0.0349
08:01-09:00, Wed., 26 Sep. 0.0370 0.0321 0.0351
07:01-08:00, Wed., 26 Sep. 0.0371 0.0336 0.0354
06:01-07:00, Wed., 26 Sep. 0.0375 0.0336 0.0352
05:01-06:00, Wed., 26 Sep. 0.0371 0.0335 0.0356
04:01-05:00, Wed., 26 Sep. 0.0367 0.0329 0.0352
03:01-04:00, Wed., 26 Sep. 0.0371 0.0329 0.0350
02:01-03:00, Wed., 26 Sep. 0.0369 0.0332 0.0349
01:01-02:00, Wed., 26 Sep. 0.0367 0.0316 0.0346
00:01-01:00, Wed., 26 Sep. 0.0367 0.0321 0.0346
23:01-24:00, Tue., 25 Sep. 0.0375 0.0324 0.0346
22:01-23:00, Tue., 25 Sep. 0.0360 0.0329 0.0345
21:01-22:00, Tue., 25 Sep. 0.0366 0.0325 0.0345
20:01-21:00, Tue., 25 Sep. 0.0359 0.0331 0.0344
19:01-20:00, Tue., 25 Sep. 0.0368 0.0321 0.0343
18:01-19:00, Tue., 25 Sep. 0.0368 0.0322 0.0338
17:01-18:00, Tue., 25 Sep. 0.0364 0.0318 0.0340
16:01-17:00, Tue., 25 Sep. 0.0361 0.0319 0.0339
15:01-16:00, Tue., 25 Sep. 0.0356 0.0314 0.0339
14:01-15:00, Tue., 25 Sep. 0.0359 0.0313 0.0339
13:01-14:00, Tue., 25 Sep. 0.0372 0.0322 0.0345
12:01-13:00, Tue., 25 Sep. 0.0368 0.0322 0.0345
11:01-12:00, Tue., 25 Sep. 0.0363 0.0313 0.0341
10:01-11:00, Tue., 25 Sep. 0.0366 0.0322 0.0346
09:01-10:00, Tue., 25 Sep. 0.0360 0.0327 0.0343
08:01-09:00, Tue., 25 Sep. 0.0375 0.0318 0.0341
07:01-08:00, Tue., 25 Sep. 0.0365 0.0329 0.0344
06:01-07:00, Tue., 25 Sep. 0.0366 0.0327 0.0347
05:01-06:00, Tue., 25 Sep. 0.0381 0.0333 0.0361
04:01-05:00, Tue., 25 Sep. 0.0434 0.0352 0.0388
03:01-04:00, Tue., 25 Sep. 0.0492 0.0385 0.0434
02:01-03:00, Tue., 25 Sep. 0.0501 0.0409 0.0456
01:01-02:00, Tue., 25 Sep. 0.0493 0.0406 0.0448
00:01-01:00, Tue., 25 Sep. 0.0466 0.0338 0.0406
23:01-24:00, Mon., 24 Sep. 0.0378 0.0333 0.0354
22:01-23:00, Mon., 24 Sep. 0.0360 0.0317 0.0339
21:01-22:00, Mon., 24 Sep. 0.0360 0.0322 0.0340
20:01-21:00, Mon., 24 Sep. 0.0373 0.0325 0.0343
19:01-20:00, Mon., 24 Sep. 0.0385 0.0336 0.0352
18:01-19:00, Mon., 24 Sep. 0.0402 0.0330 0.0350
17:01-18:00, Mon., 24 Sep. 0.0365 0.0320 0.0345
16:01-17:00, Mon., 24 Sep. 0.0368 0.0321 0.0345
15:01-16:00, Mon., 24 Sep. 0.0359 0.0332 0.0347
14:01-15:00, Mon., 24 Sep. 0.0360 0.0327 0.0344
13:01-14:00, Mon., 24 Sep. 0.0365 0.0326 0.0343
12:01-13:00, Mon., 24 Sep. 0.0366 0.0320 0.0346
11:01-12:00, Mon., 24 Sep. 0.0366 0.0325 0.0344
10:01-11:00, Mon., 24 Sep. 0.0365 0.0315 0.0343
09:01-10:00, Mon., 24 Sep. 0.0374 0.0327 0.0346
08:01-09:00, Mon., 24 Sep. 0.0366 0.0327 0.0345
07:01-08:00, Mon., 24 Sep. 0.0378 0.0324 0.0352
06:01-07:00, Mon., 24 Sep. 0.0366 0.0331 0.0350
05:01-06:00, Mon., 24 Sep. 0.0369 0.0325 0.0349
04:01-05:00, Mon., 24 Sep. 0.0368 0.0329 0.0348
03:01-04:00, Mon., 24 Sep. 0.0370 0.0322 0.0343
02:01-03:00, Mon., 24 Sep. 0.0362 0.0318 0.0344
01:01-02:00, Mon., 24 Sep. 0.0360 0.0322 0.0347
00:01-01:00, Mon., 24 Sep. 0.0371 0.0322 0.0345