Measurement results by the hour (Chofu) 11 Apr., 2012 - 15 Apr., 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., 15 Apr. 0.0396 0.0347 0.0369
22:01-23:00, Sun., 15 Apr. 0.0397 0.0349 0.0366
21:01-22:00, Sun., 15 Apr. 0.0407 0.0348 0.0367
20:01-21:00, Sun., 15 Apr. 0.0397 0.0348 0.0365
19:01-20:00, Sun., 15 Apr. 0.0384 0.0344 0.0364
18:01-19:00, Sun., 15 Apr. 0.0404 0.0352 0.0369
17:01-18:00, Sun., 15 Apr. 0.0397 0.0348 0.0366
16:01-17:00, Sun., 15 Apr. 0.0390 0.0350 0.0365
15:01-16:00, Sun., 15 Apr. 0.0396 0.0348 0.0368
14:01-15:00, Sun., 15 Apr. 0.0387 0.0342 0.0366
13:01-14:00, Sun., 15 Apr. 0.0391 0.0353 0.0368
12:01-13:00, Sun., 15 Apr. 0.0389 0.0338 0.0368
11:01-12:00, Sun., 15 Apr. 0.0392 0.0346 0.0369
10:01-11:00, Sun., 15 Apr. 0.0388 0.0348 0.0366
09:01-10:00, Sun., 15 Apr. 0.0399 0.0350 0.0370
08:01-09:00, Sun., 15 Apr. 0.0410 0.0346 0.0372
07:01-08:00, Sun., 15 Apr. 0.0398 0.0354 0.0371
06:01-07:00, Sun., 15 Apr. 0.0414 0.0351 0.0369
05:01-06:00, Sun., 15 Apr. 0.0400 0.0346 0.0369
04:01-05:00, Sun., 15 Apr. 0.0408 0.0354 0.0369
03:01-04:00, Sun., 15 Apr. 0.0402 0.0338 0.0366
02:01-03:00, Sun., 15 Apr. 0.0397 0.0351 0.0368
01:01-02:00, Sun., 15 Apr. 0.0387 0.0346 0.0364
00:01-01:00, Sun., 15 Apr. 0.0395 0.0349 0.0364
23:01-24:00, Sat., 14 Apr. 0.0402 0.0355 0.0369
22:01-23:00, Sat., 14 Apr. 0.0412 0.0354 0.0378
21:01-22:00, Sat., 14 Apr. 0.0435 0.0354 0.0403
20:01-21:00, Sat., 14 Apr. 0.0441 0.0371 0.0409
19:01-20:00, Sat., 14 Apr. 0.0462 0.0396 0.0426
18:01-19:00, Sat., 14 Apr. 0.0473 0.0398 0.0434
17:01-18:00, Sat., 14 Apr. 0.0556 0.0429 0.0484
16:01-17:00, Sat., 14 Apr. 0.0571 0.0490 0.0533
15:01-16:00, Sat., 14 Apr. 0.0580 0.0488 0.0541
14:01-15:00, Sat., 14 Apr. 0.0582 0.0495 0.0538
13:01-14:00, Sat., 14 Apr. 0.0584 0.0506 0.0549
12:01-13:00, Sat., 14 Apr. 0.0633 0.0554 0.0594
11:01-12:00, Sat., 14 Apr. 0.0610 0.0526 0.0569
10:01-11:00, Sat., 14 Apr. 0.0627 0.0550 0.0592
09:01-10:00, Sat., 14 Apr. 0.0627 0.0527 0.0578
08:01-09:00, Sat., 14 Apr. 0.0629 0.0519 0.0569
07:01-08:00, Sat., 14 Apr. 0.0575 0.0496 0.0533
06:01-07:00, Sat., 14 Apr. 0.0574 0.0484 0.0528
05:01-06:00, Sat., 14 Apr. 0.0543 0.0429 0.0483
04:01-05:00, Sat., 14 Apr. 0.0482 0.0420 0.0447
03:01-04:00, Sat., 14 Apr. 0.0502 0.0404 0.0462
02:01-03:00, Sat., 14 Apr. 0.0493 0.0415 0.0453
01:01-02:00, Sat., 14 Apr. 0.0509 0.0416 0.0449
00:01-01:00, Sat., 14 Apr. 0.0537 0.0462 0.0497
23:01-24:00, Fri., 13 Apr. 0.0496 0.0433 0.0471
22:01-23:00, Fri., 13 Apr. 0.0490 0.0408 0.0444
21:01-22:00, Fri., 13 Apr. 0.0507 0.0426 0.0457
20:01-21:00, Fri., 13 Apr. 0.0493 0.0391 0.0443
19:01-20:00, Fri., 13 Apr. 0.0429 0.0352 0.0384
18:01-19:00, Fri., 13 Apr. 0.0394 0.0355 0.0370
17:01-18:00, Fri., 13 Apr. 0.0406 0.0347 0.0370
16:01-17:00, Fri., 13 Apr. 0.0408 0.0348 0.0368
15:01-16:00, Fri., 13 Apr. 0.0403 0.0349 0.0371
14:01-15:00, Fri., 13 Apr. 0.0397 0.0346 0.0370
13:01-14:00, Fri., 13 Apr. 0.0408 0.0342 0.0368
12:01-13:00, Fri., 13 Apr. 0.0415 0.0349 0.0371
11:01-12:00, Fri., 13 Apr. 0.0396 0.0350 0.0368
10:01-11:00, Fri., 13 Apr. 0.0406 0.0353 0.0371
09:01-10:00, Fri., 13 Apr. 0.0406 0.0353 0.0374
08:01-09:00, Fri., 13 Apr. 0.0410 0.0355 0.0372
07:01-08:00, Fri., 13 Apr. 0.0404 0.0356 0.0374
06:01-07:00, Fri., 13 Apr. 0.0415 0.0357 0.0379
05:01-06:00, Fri., 13 Apr. 0.0404 0.0353 0.0374
04:01-05:00, Fri., 13 Apr. 0.0406 0.0353 0.0369
03:01-04:00, Fri., 13 Apr. 0.0387 0.0355 0.0369
02:01-03:00, Fri., 13 Apr. 0.0401 0.0351 0.0372
01:01-02:00, Fri., 13 Apr. 0.0406 0.0350 0.0372
00:01-01:00, Fri., 13 Apr. 0.0428 0.0349 0.0370
23:01-24:00, Thu., 12 Apr. 0.0390 0.0352 0.0370
22:01-23:00, Thu., 12 Apr. 0.0400 0.0354 0.0369
21:01-22:00, Thu., 12 Apr. 0.0405 0.0354 0.0369
20:01-21:00, Thu., 12 Apr. 0.0395 0.0345 0.0366
19:01-20:00, Thu., 12 Apr. 0.0388 0.0353 0.0367
18:01-19:00, Thu., 12 Apr. 0.0389 0.0336 0.0365
17:01-18:00, Thu., 12 Apr. 0.0396 0.0346 0.0366
16:01-17:00, Thu., 12 Apr. 0.0389 0.0344 0.0364
15:01-16:00, Thu., 12 Apr. 0.0401 0.0350 0.0367
14:01-15:00, Thu., 12 Apr. 0.0388 0.0342 0.0364
13:01-14:00, Thu., 12 Apr. 0.0401 0.0347 0.0369
12:01-13:00, Thu., 12 Apr. 0.0391 0.0349 0.0366
11:01-12:00, Thu., 12 Apr. 0.0396 0.0346 0.0366
10:01-11:00, Thu., 12 Apr. 0.0396 0.0352 0.0369
09:01-10:00, Thu., 12 Apr. 0.0408 0.0352 0.0372
08:01-09:00, Thu., 12 Apr. 0.0405 0.0354 0.0368
07:01-08:00, Thu., 12 Apr. 0.0390 0.0353 0.0368
06:01-07:00, Thu., 12 Apr. 0.0396 0.0350 0.0368
05:01-06:00, Thu., 12 Apr. 0.0395 0.0347 0.0367
04:01-05:00, Thu., 12 Apr. 0.0393 0.0352 0.0367
03:01-04:00, Thu., 12 Apr. 0.0403 0.0347 0.0369
02:01-03:00, Thu., 12 Apr. 0.0398 0.0347 0.0368
01:01-02:00, Thu., 12 Apr. 0.0399 0.0350 0.0369
00:01-01:00, Thu., 12 Apr. 0.0413 0.0349 0.0371
23:01-24:00, Wed., 11 Apr. 0.0414 0.0359 0.0382
22:01-23:00, Wed., 11 Apr. 0.0448 0.0374 0.0412
21:01-22:00, Wed., 11 Apr. 0.0470 0.0393 0.0429
20:01-21:00, Wed., 11 Apr. 0.0447 0.0378 0.0409
19:01-20:00, Wed., 11 Apr. 0.0425 0.0359 0.0386
18:01-19:00, Wed., 11 Apr. 0.0424 0.0350 0.0375
17:01-18:00, Wed., 11 Apr. 0.0402 0.0354 0.0374
16:01-17:00, Wed., 11 Apr. 0.0410 0.0351 0.0372
15:01-16:00, Wed., 11 Apr. 0.0403 0.0356 0.0376
14:01-15:00, Wed., 11 Apr. 0.0399 0.0348 0.0373
13:01-14:00, Wed., 11 Apr. 0.0398 0.0355 0.0375
12:01-13:00, Wed., 11 Apr. 0.0426 0.0358 0.0389
11:01-12:00, Wed., 11 Apr. 0.0448 0.0389 0.0411