Measurement results by the hour (Chofu) 25 Jun., 2012 - 1 Jul., 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., 01 Jul. 0.0438 0.0373 0.0408
22:01-23:00, Sun., 01 Jul. 0.0438 0.0373 0.0406
21:01-22:00, Sun., 01 Jul. 0.0421 0.0358 0.0386
20:01-21:00, Sun., 01 Jul. 0.0421 0.0360 0.0389
19:01-20:00, Sun., 01 Jul. 0.0448 0.0375 0.0415
18:01-19:00, Sun., 01 Jul. 0.0472 0.0399 0.0430
17:01-18:00, Sun., 01 Jul. 0.0494 0.0411 0.0441
16:01-17:00, Sun., 01 Jul. 0.0509 0.0445 0.0477
15:01-16:00, Sun., 01 Jul. 0.0476 0.0364 0.0412
14:01-15:00, Sun., 01 Jul. 0.0430 0.0363 0.0383
13:01-14:00, Sun., 01 Jul. 0.0450 0.0367 0.0393
12:01-13:00, Sun., 01 Jul. 0.0423 0.0365 0.0391
11:01-12:00, Sun., 01 Jul. 0.0433 0.0360 0.0390
10:01-11:00, Sun., 01 Jul. 0.0441 0.0362 0.0398
09:01-10:00, Sun., 01 Jul. 0.0407 0.0353 0.0377
08:01-09:00, Sun., 01 Jul. 0.0417 0.0359 0.0377
07:01-08:00, Sun., 01 Jul. 0.0408 0.0354 0.0376
06:01-07:00, Sun., 01 Jul. 0.0425 0.0357 0.0376
05:01-06:00, Sun., 01 Jul. 0.0414 0.0350 0.0376
04:01-05:00, Sun., 01 Jul. 0.0408 0.0351 0.0374
03:01-04:00, Sun., 01 Jul. 0.0409 0.0360 0.0377
02:01-03:00, Sun., 01 Jul. 0.0402 0.0354 0.0375
01:01-02:00, Sun., 01 Jul. 0.0414 0.0352 0.0375
00:01-01:00, Sun., 01 Jul. 0.0401 0.0354 0.0372
23:01-24:00, Sat., 30 Jun. 0.0405 0.0351 0.0373
22:01-23:00, Sat., 30 Jun. 0.0401 0.0356 0.0372
21:01-22:00, Sat., 30 Jun. 0.0408 0.0354 0.0375
20:01-21:00, Sat., 30 Jun. 0.0395 0.0355 0.0373
19:01-20:00, Sat., 30 Jun. 0.0419 0.0354 0.0375
18:01-19:00, Sat., 30 Jun. 0.0410 0.0352 0.0376
17:01-18:00, Sat., 30 Jun. 0.0412 0.0346 0.0376
16:01-17:00, Sat., 30 Jun. 0.0408 0.0352 0.0377
15:01-16:00, Sat., 30 Jun. 0.0406 0.0351 0.0375
14:01-15:00, Sat., 30 Jun. 0.0418 0.0351 0.0379
13:01-14:00, Sat., 30 Jun. 0.0409 0.0353 0.0375
12:01-13:00, Sat., 30 Jun. 0.0419 0.0356 0.0377
11:01-12:00, Sat., 30 Jun. 0.0410 0.0353 0.0376
10:01-11:00, Sat., 30 Jun. 0.0425 0.0350 0.0376
09:01-10:00, Sat., 30 Jun. 0.0394 0.0356 0.0373
08:01-09:00, Sat., 30 Jun. 0.0415 0.0346 0.0372
07:01-08:00, Sat., 30 Jun. 0.0409 0.0356 0.0375
06:01-07:00, Sat., 30 Jun. 0.0407 0.0346 0.0379
05:01-06:00, Sat., 30 Jun. 0.0410 0.0359 0.0376
04:01-05:00, Sat., 30 Jun. 0.0406 0.0357 0.0374
03:01-04:00, Sat., 30 Jun. 0.0403 0.0346 0.0370
02:01-03:00, Sat., 30 Jun. 0.0409 0.0354 0.0373
01:01-02:00, Sat., 30 Jun. 0.0416 0.0353 0.0376
00:01-01:00, Sat., 30 Jun. 0.0402 0.0355 0.0371
23:01-24:00, Fri., 29 Jun. 0.0403 0.0353 0.0372
22:01-23:00, Fri., 29 Jun. 0.0398 0.0351 0.0374
21:01-22:00, Fri., 29 Jun. 0.0410 0.0352 0.0370
20:01-21:00, Fri., 29 Jun. 0.0407 0.0353 0.0372
19:01-20:00, Fri., 29 Jun. 0.0403 0.0346 0.0370
18:01-19:00, Fri., 29 Jun. 0.0418 0.0357 0.0372
17:01-18:00, Fri., 29 Jun. 0.0415 0.0352 0.0373
16:01-17:00, Fri., 29 Jun. 0.0404 0.0354 0.0373
15:01-16:00, Fri., 29 Jun. 0.0406 0.0357 0.0375
14:01-15:00, Fri., 29 Jun. 0.0403 0.0353 0.0371
13:01-14:00, Fri., 29 Jun. 0.0393 0.0354 0.0368
12:01-13:00, Fri., 29 Jun. 0.0406 0.0353 0.0374
11:01-12:00, Fri., 29 Jun. 0.0418 0.0354 0.0371
10:01-11:00, Fri., 29 Jun. 0.0406 0.0348 0.0373
09:01-10:00, Fri., 29 Jun. 0.0411 0.0353 0.0372
08:01-09:00, Fri., 29 Jun. 0.0398 0.0354 0.0374
07:01-08:00, Fri., 29 Jun. 0.0407 0.0352 0.0372
06:01-07:00, Fri., 29 Jun. 0.0403 0.0355 0.0374
05:01-06:00, Fri., 29 Jun. 0.0410 0.0359 0.0373
04:01-05:00, Fri., 29 Jun. 0.0412 0.0355 0.0375
03:01-04:00, Fri., 29 Jun. 0.0387 0.0353 0.0369
02:01-03:00, Fri., 29 Jun. 0.0400 0.0347 0.0372
01:01-02:00, Fri., 29 Jun. 0.0395 0.0355 0.0371
00:01-01:00, Fri., 29 Jun. 0.0389 0.0352 0.0370
23:01-24:00, Thu., 28 Jun. 0.0395 0.0350 0.0369
22:01-23:00, Thu., 28 Jun. 0.0408 0.0348 0.0370
21:01-22:00, Thu., 28 Jun. 0.0400 0.0354 0.0374
20:01-21:00, Thu., 28 Jun. 0.0409 0.0354 0.0372
19:01-20:00, Thu., 28 Jun. 0.0401 0.0355 0.0371
18:01-19:00, Thu., 28 Jun. 0.0401 0.0351 0.0370
17:01-18:00, Thu., 28 Jun. 0.0396 0.0350 0.0371
16:01-17:00, Thu., 28 Jun. 0.0399 0.0354 0.0374
15:01-16:00, Thu., 28 Jun. 0.0408 0.0357 0.0371
14:01-15:00, Thu., 28 Jun. 0.0405 0.0353 0.0372
13:01-14:00, Thu., 28 Jun. 0.0397 0.0338 0.0369
12:01-13:00, Thu., 28 Jun. 0.0402 0.0349 0.0369
11:01-12:00, Thu., 28 Jun. 0.0401 0.0356 0.0372
10:01-11:00, Thu., 28 Jun. 0.0407 0.0346 0.0373
09:01-10:00, Thu., 28 Jun. 0.0401 0.0352 0.0374
08:01-09:00, Thu., 28 Jun. 0.0411 0.0352 0.0376
07:01-08:00, Thu., 28 Jun. 0.0403 0.0353 0.0376
06:01-07:00, Thu., 28 Jun. 0.0409 0.0352 0.0381
05:01-06:00, Thu., 28 Jun. 0.0418 0.0361 0.0382
04:01-05:00, Thu., 28 Jun. 0.0410 0.0363 0.0384
03:01-04:00, Thu., 28 Jun. 0.0404 0.0363 0.0381
02:01-03:00, Thu., 28 Jun. 0.0415 0.0355 0.0378
01:01-02:00, Thu., 28 Jun. 0.0409 0.0357 0.0377
00:01-01:00, Thu., 28 Jun. 0.0410 0.0351 0.0374
23:01-24:00, Wed., 27 Jun. 0.0401 0.0348 0.0372
22:01-23:00, Wed., 27 Jun. 0.0408 0.0349 0.0368
21:01-22:00, Wed., 27 Jun. 0.0394 0.0353 0.0367
20:01-21:00, Wed., 27 Jun. 0.0406 0.0351 0.0370
19:01-20:00, Wed., 27 Jun. 0.0412 0.0354 0.0370
18:01-19:00, Wed., 27 Jun. 0.0406 0.0350 0.0371
17:01-18:00, Wed., 27 Jun. 0.0391 0.0342 0.0368
16:01-17:00, Wed., 27 Jun. 0.0406 0.0352 0.0370
15:01-16:00, Wed., 27 Jun. 0.0403 0.0352 0.0372
14:01-15:00, Wed., 27 Jun. 0.0407 0.0356 0.0372
13:01-14:00, Wed., 27 Jun. 0.0404 0.0350 0.0371
12:01-13:00, Wed., 27 Jun. 0.0391 0.0345 0.0368
11:01-12:00, Wed., 27 Jun. 0.0398 0.0349 0.0367
10:01-11:00, Wed., 27 Jun. 0.0392 0.0349 0.0368
09:01-10:00, Wed., 27 Jun. 0.0403 0.0350 0.0369
08:01-09:00, Wed., 27 Jun. 0.0414 0.0351 0.0371
07:01-08:00, Wed., 27 Jun. 0.0405 0.0353 0.0372
06:01-07:00, Wed., 27 Jun. 0.0415 0.0357 0.0374
05:01-06:00, Wed., 27 Jun. 0.0402 0.0351 0.0372
04:01-05:00, Wed., 27 Jun. 0.0410 0.0347 0.0373
03:01-04:00, Wed., 27 Jun. 0.0408 0.0347 0.0370
02:01-03:00, Wed., 27 Jun. 0.0405 0.0345 0.0369
01:01-02:00, Wed., 27 Jun. 0.0401 0.0353 0.0370
00:01-01:00, Wed., 27 Jun. 0.0391 0.0352 0.0370
23:01-24:00, Tue., 26 Jun. 0.0406 0.0346 0.0367
22:01-23:00, Tue., 26 Jun. 0.0402 0.0351 0.0370
21:01-22:00, Tue., 26 Jun. 0.0400 0.0353 0.0369
20:01-21:00, Tue., 26 Jun. 0.0391 0.0346 0.0368
19:01-20:00, Tue., 26 Jun. 0.0382 0.0338 0.0362
18:01-19:00, Tue., 26 Jun. 0.0409 0.0346 0.0369
17:01-18:00, Tue., 26 Jun. 0.0388 0.0346 0.0366
16:01-17:00, Tue., 26 Jun. 0.0394 0.0350 0.0367
15:01-16:00, Tue., 26 Jun. 0.0400 0.0350 0.0369
14:01-15:00, Tue., 26 Jun. 0.0385 0.0347 0.0366
13:01-14:00, Tue., 26 Jun. 0.0396 0.0345 0.0368
12:01-13:00, Tue., 26 Jun. 0.0388 0.0346 0.0365
11:01-12:00, Tue., 26 Jun. 0.0398 0.0343 0.0366
10:01-11:00, Tue., 26 Jun. 0.0399 0.0346 0.0366
09:01-10:00, Tue., 26 Jun. 0.0409 0.0346 0.0368
08:01-09:00, Tue., 26 Jun. 0.0398 0.0348 0.0367
07:01-08:00, Tue., 26 Jun. 0.0387 0.0345 0.0367
06:01-07:00, Tue., 26 Jun. 0.0392 0.0343 0.0370
05:01-06:00, Tue., 26 Jun. 0.0416 0.0347 0.0369
04:01-05:00, Tue., 26 Jun. 0.0418 0.0338 0.0367
03:01-04:00, Tue., 26 Jun. 0.0392 0.0351 0.0368
02:01-03:00, Tue., 26 Jun. 0.0404 0.0340 0.0368
01:01-02:00, Tue., 26 Jun. 0.0398 0.0336 0.0365
00:01-01:00, Tue., 26 Jun. 0.0381 0.0341 0.0367
23:01-24:00, Mon., 25 Jun. 0.0392 0.0343 0.0364
22:01-23:00, Mon., 25 Jun. 0.0395 0.0345 0.0365
21:01-22:00, Mon., 25 Jun. 0.0388 0.0344 0.0363
20:01-21:00, Mon., 25 Jun. 0.0385 0.0346 0.0367
19:01-20:00, Mon., 25 Jun. 0.0392 0.0348 0.0367
18:01-19:00, Mon., 25 Jun. 0.0391 0.0350 0.0366
17:01-18:00, Mon., 25 Jun. 0.0395 0.0348 0.0365
16:01-17:00, Mon., 25 Jun. 0.0386 0.0343 0.0363
15:01-16:00, Mon., 25 Jun. 0.0391 0.0348 0.0366
14:01-15:00, Mon., 25 Jun. 0.0388 0.0347 0.0365
13:01-14:00, Mon., 25 Jun. 0.0394 0.0339 0.0365
12:01-13:00, Mon., 25 Jun. 0.0384 0.0344 0.0364
11:01-12:00, Mon., 25 Jun. 0.0402 0.0351 0.0368
10:01-11:00, Mon., 25 Jun. 0.0393 0.0345 0.0364
09:01-10:00, Mon., 25 Jun. 0.0387 0.0349 0.0365
08:01-09:00, Mon., 25 Jun. 0.0407 0.0342 0.0366
07:01-08:00, Mon., 25 Jun. 0.0395 0.0345 0.0368
06:01-07:00, Mon., 25 Jun. 0.0402 0.0346 0.0369
05:01-06:00, Mon., 25 Jun. 0.0411 0.0347 0.0369
04:01-05:00, Mon., 25 Jun. 0.0398 0.0349 0.0367
03:01-04:00, Mon., 25 Jun. 0.0414 0.0351 0.0366
02:01-03:00, Mon., 25 Jun. 0.0391 0.0348 0.0363
01:01-02:00, Mon., 25 Jun. 0.0389 0.0345 0.0365
00:01-01:00, Mon., 25 Jun. 0.0393 0.0342 0.0363