Measurement results by the hour (Koto) 23 Apr., 2012 - 29 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., 29 Apr. 0.0468 0.0418 0.0445
22:01-23:00, Sun., 29 Apr. 0.0471 0.0418 0.0443
21:01-22:00, Sun., 29 Apr. 0.0486 0.0418 0.0443
20:01-21:00, Sun., 29 Apr. 0.0473 0.0419 0.0441
19:01-20:00, Sun., 29 Apr. 0.0467 0.0417 0.0444
18:01-19:00, Sun., 29 Apr. 0.0486 0.0423 0.0445
17:01-18:00, Sun., 29 Apr. 0.0462 0.0417 0.0441
16:01-17:00, Sun., 29 Apr. 0.0468 0.0420 0.0439
15:01-16:00, Sun., 29 Apr. 0.0467 0.0415 0.0444
14:01-15:00, Sun., 29 Apr. 0.0468 0.0421 0.0444
13:01-14:00, Sun., 29 Apr. 0.0478 0.0408 0.0442
12:01-13:00, Sun., 29 Apr. 0.0472 0.0423 0.0445
11:01-12:00, Sun., 29 Apr. 0.0470 0.0413 0.0443
10:01-11:00, Sun., 29 Apr. 0.0470 0.0422 0.0444
09:01-10:00, Sun., 29 Apr. 0.0473 0.0417 0.0446
08:01-09:00, Sun., 29 Apr. 0.0470 0.0416 0.0445
07:01-08:00, Sun., 29 Apr. 0.0477 0.0419 0.0443
06:01-07:00, Sun., 29 Apr. 0.0471 0.0422 0.0445
05:01-06:00, Sun., 29 Apr. 0.0469 0.0416 0.0443
04:01-05:00, Sun., 29 Apr. 0.0467 0.0419 0.0443
03:01-04:00, Sun., 29 Apr. 0.0472 0.0419 0.0443
02:01-03:00, Sun., 29 Apr. 0.0473 0.0421 0.0448
01:01-02:00, Sun., 29 Apr. 0.0473 0.0415 0.0447
00:01-01:00, Sun., 29 Apr. 0.0470 0.0416 0.0441
23:01-24:00, Sat., 28 Apr. 0.0470 0.0417 0.0444
22:01-23:00, Sat., 28 Apr. 0.0478 0.0421 0.0445
21:01-22:00, Sat., 28 Apr. 0.0468 0.0421 0.0443
20:01-21:00, Sat., 28 Apr. 0.0474 0.0416 0.0443
19:01-20:00, Sat., 28 Apr. 0.0472 0.0422 0.0445
18:01-19:00, Sat., 28 Apr. 0.0478 0.0414 0.0441
17:01-18:00, Sat., 28 Apr. 0.0471 0.0412 0.0444
16:01-17:00, Sat., 28 Apr. 0.0474 0.0411 0.0444
15:01-16:00, Sat., 28 Apr. 0.0463 0.0412 0.0442
14:01-15:00, Sat., 28 Apr. 0.0485 0.0422 0.0444
13:01-14:00, Sat., 28 Apr. 0.0470 0.0408 0.0445
12:01-13:00, Sat., 28 Apr. 0.0463 0.0410 0.0440
11:01-12:00, Sat., 28 Apr. 0.0472 0.0417 0.0444
10:01-11:00, Sat., 28 Apr. 0.0472 0.0416 0.0442
09:01-10:00, Sat., 28 Apr. 0.0472 0.0421 0.0446
08:01-09:00, Sat., 28 Apr. 0.0470 0.0423 0.0443
07:01-08:00, Sat., 28 Apr. 0.0473 0.0422 0.0446
06:01-07:00, Sat., 28 Apr. 0.0478 0.0427 0.0447
05:01-06:00, Sat., 28 Apr. 0.0479 0.0421 0.0446
04:01-05:00, Sat., 28 Apr. 0.0475 0.0424 0.0446
03:01-04:00, Sat., 28 Apr. 0.0471 0.0413 0.0446
02:01-03:00, Sat., 28 Apr. 0.0467 0.0418 0.0446
01:01-02:00, Sat., 28 Apr. 0.0467 0.0422 0.0443
00:01-01:00, Sat., 28 Apr. 0.0477 0.0421 0.0445
23:01-24:00, Fri., 27 Apr. 0.0470 0.0409 0.0444
22:01-23:00, Fri., 27 Apr. 0.0472 0.0418 0.0444
21:01-22:00, Fri., 27 Apr. 0.0491 0.0420 0.0445
20:01-21:00, Fri., 27 Apr. 0.0482 0.0412 0.0447
19:01-20:00, Fri., 27 Apr. 0.0486 0.0413 0.0447
18:01-19:00, Fri., 27 Apr. 0.0475 0.0426 0.0444
17:01-18:00, Fri., 27 Apr. 0.0473 0.0424 0.0444
16:01-17:00, Fri., 27 Apr. 0.0477 0.0418 0.0449
15:01-16:00, Fri., 27 Apr. 0.0485 0.0428 0.0458
14:01-15:00, Fri., 27 Apr. 0.0511 0.0456 0.0485
13:01-14:00, Fri., 27 Apr. 0.0518 0.0459 0.0483
12:01-13:00, Fri., 27 Apr. 0.0514 0.0447 0.0477
11:01-12:00, Fri., 27 Apr. 0.0506 0.0443 0.0476
10:01-11:00, Fri., 27 Apr. 0.0509 0.0442 0.0476
09:01-10:00, Fri., 27 Apr. 0.0511 0.0453 0.0478
08:01-09:00, Fri., 27 Apr. 0.0514 0.0459 0.0484
07:01-08:00, Fri., 27 Apr. 0.0535 0.0458 0.0497
06:01-07:00, Fri., 27 Apr. 0.0563 0.0467 0.0509
05:01-06:00, Fri., 27 Apr. 0.0541 0.0477 0.0505
04:01-05:00, Fri., 27 Apr. 0.0509 0.0441 0.0477
03:01-04:00, Fri., 27 Apr. 0.0503 0.0446 0.0474
02:01-03:00, Fri., 27 Apr. 0.0495 0.0442 0.0468
01:01-02:00, Fri., 27 Apr. 0.0490 0.0441 0.0467
00:01-01:00, Fri., 27 Apr. 0.0489 0.0441 0.0466
23:01-24:00, Thu., 26 Apr. 0.0498 0.0434 0.0462
22:01-23:00, Thu., 26 Apr. 0.0499 0.0429 0.0456
21:01-22:00, Thu., 26 Apr. 0.0484 0.0426 0.0453
20:01-21:00, Thu., 26 Apr. 0.0480 0.0423 0.0452
19:01-20:00, Thu., 26 Apr. 0.0492 0.0429 0.0459
18:01-19:00, Thu., 26 Apr. 0.0481 0.0419 0.0451
17:01-18:00, Thu., 26 Apr. 0.0496 0.0425 0.0460
16:01-17:00, Thu., 26 Apr. 0.0510 0.0449 0.0471
15:01-16:00, Thu., 26 Apr. 0.0493 0.0441 0.0469
14:01-15:00, Thu., 26 Apr. 0.0494 0.0420 0.0452
13:01-14:00, Thu., 26 Apr. 0.0473 0.0412 0.0442
12:01-13:00, Thu., 26 Apr. 0.0472 0.0419 0.0444
11:01-12:00, Thu., 26 Apr. 0.0473 0.0421 0.0445
10:01-11:00, Thu., 26 Apr. 0.0474 0.0415 0.0443
09:01-10:00, Thu., 26 Apr. 0.0472 0.0424 0.0451
08:01-09:00, Thu., 26 Apr. 0.0477 0.0413 0.0449
07:01-08:00, Thu., 26 Apr. 0.0473 0.0421 0.0445
06:01-07:00, Thu., 26 Apr. 0.0472 0.0417 0.0445
05:01-06:00, Thu., 26 Apr. 0.0476 0.0400 0.0444
04:01-05:00, Thu., 26 Apr. 0.0467 0.0413 0.0444
03:01-04:00, Thu., 26 Apr. 0.0463 0.0415 0.0443
02:01-03:00, Thu., 26 Apr. 0.0470 0.0415 0.0445
01:01-02:00, Thu., 26 Apr. 0.0474 0.0417 0.0442
00:01-01:00, Thu., 26 Apr. 0.0466 0.0422 0.0444
23:01-24:00, Wed., 25 Apr. 0.0461 0.0421 0.0443
22:01-23:00, Wed., 25 Apr. 0.0470 0.0414 0.0443
21:01-22:00, Wed., 25 Apr. 0.0474 0.0413 0.0443
20:01-21:00, Wed., 25 Apr. 0.0472 0.0421 0.0447
19:01-20:00, Wed., 25 Apr. 0.0473 0.0406 0.0445
18:01-19:00, Wed., 25 Apr. 0.0482 0.0415 0.0445
17:01-18:00, Wed., 25 Apr. 0.0467 0.0423 0.0446
16:01-17:00, Wed., 25 Apr. 0.0463 0.0414 0.0441
15:01-16:00, Wed., 25 Apr. 0.0472 0.0421 0.0446
14:01-15:00, Wed., 25 Apr. 0.0471 0.0417 0.0444
13:01-14:00, Wed., 25 Apr. 0.0481 0.0419 0.0443
12:01-13:00, Wed., 25 Apr. 0.0473 0.0412 0.0440
11:01-12:00, Wed., 25 Apr. 0.0465 0.0416 0.0445
10:01-11:00, Wed., 25 Apr. 0.0470 0.0411 0.0438
09:01-10:00, Wed., 25 Apr. 0.0472 0.0415 0.0444
08:01-09:00, Wed., 25 Apr. 0.0469 0.0419 0.0442
07:01-08:00, Wed., 25 Apr. 0.0477 0.0411 0.0443
06:01-07:00, Wed., 25 Apr. 0.0488 0.0409 0.0444
05:01-06:00, Wed., 25 Apr. 0.0473 0.0420 0.0446
04:01-05:00, Wed., 25 Apr. 0.0473 0.0418 0.0446
03:01-04:00, Wed., 25 Apr. 0.0468 0.0415 0.0443
02:01-03:00, Wed., 25 Apr. 0.0493 0.0418 0.0444
01:01-02:00, Wed., 25 Apr. 0.0471 0.0418 0.0446
00:01-01:00, Wed., 25 Apr. 0.0469 0.0406 0.0444
23:01-24:00, Tue., 24 Apr. 0.0471 0.0418 0.0444
22:01-23:00, Tue., 24 Apr. 0.0485 0.0423 0.0454
21:01-22:00, Tue., 24 Apr. 0.0494 0.0430 0.0471
20:01-21:00, Tue., 24 Apr. 0.0509 0.0436 0.0480
19:01-20:00, Tue., 24 Apr. 0.0484 0.0419 0.0445
18:01-19:00, Tue., 24 Apr. 0.0468 0.0416 0.0445
17:01-18:00, Tue., 24 Apr. 0.0471 0.0415 0.0443
16:01-17:00, Tue., 24 Apr. 0.0484 0.0419 0.0446
15:01-16:00, Tue., 24 Apr. 0.0467 0.0422 0.0444
14:01-15:00, Tue., 24 Apr. 0.0467 0.0418 0.0441
13:01-14:00, Tue., 24 Apr. 0.0470 0.0420 0.0446
12:01-13:00, Tue., 24 Apr. 0.0468 0.0418 0.0441
11:01-12:00, Tue., 24 Apr. 0.0481 0.0416 0.0443
10:01-11:00, Tue., 24 Apr. 0.0475 0.0419 0.0443
09:01-10:00, Tue., 24 Apr. 0.0467 0.0421 0.0446
08:01-09:00, Tue., 24 Apr. 0.0476 0.0415 0.0444
07:01-08:00, Tue., 24 Apr. 0.0479 0.0423 0.0445
06:01-07:00, Tue., 24 Apr. 0.0466 0.0420 0.0447
05:01-06:00, Tue., 24 Apr. 0.0470 0.0417 0.0441
04:01-05:00, Tue., 24 Apr. 0.0469 0.0418 0.0438
03:01-04:00, Tue., 24 Apr. 0.0467 0.0421 0.0444
02:01-03:00, Tue., 24 Apr. 0.0461 0.0419 0.0439
01:01-02:00, Tue., 24 Apr. 0.0471 0.0412 0.0442
00:01-01:00, Tue., 24 Apr. 0.0473 0.0410 0.0442
23:01-24:00, Mon., 23 Apr. 0.0471 0.0424 0.0447
22:01-23:00, Mon., 23 Apr. 0.0474 0.0416 0.0442
21:01-22:00, Mon., 23 Apr. 0.0478 0.0419 0.0445
20:01-21:00, Mon., 23 Apr. 0.0473 0.0421 0.0444
19:01-20:00, Mon., 23 Apr. 0.0464 0.0418 0.0442
18:01-19:00, Mon., 23 Apr. 0.0461 0.0416 0.0439
17:01-18:00, Mon., 23 Apr. 0.0469 0.0415 0.0446
16:01-17:00, Mon., 23 Apr. 0.0478 0.0421 0.0449
15:01-16:00, Mon., 23 Apr. 0.0481 0.0423 0.0457
14:01-15:00, Mon., 23 Apr. 0.0491 0.0441 0.0470
13:01-14:00, Mon., 23 Apr. 0.0503 0.0425 0.0465
12:01-13:00, Mon., 23 Apr. 0.0484 0.0407 0.0442
11:01-12:00, Mon., 23 Apr. 0.0473 0.0413 0.0444
10:01-11:00, Mon., 23 Apr. 0.0473 0.0422 0.0448
09:01-10:00, Mon., 23 Apr. 0.0477 0.0420 0.0446
08:01-09:00, Mon., 23 Apr. 0.0477 0.0419 0.0446
07:01-08:00, Mon., 23 Apr. 0.0471 0.0421 0.0448
06:01-07:00, Mon., 23 Apr. 0.0468 0.0422 0.0446
05:01-06:00, Mon., 23 Apr. 0.0468 0.0414 0.0445
04:01-05:00, Mon., 23 Apr. 0.0477 0.0423 0.0452
03:01-04:00, Mon., 23 Apr. 0.0490 0.0425 0.0457
02:01-03:00, Mon., 23 Apr. 0.0482 0.0421 0.0450
01:01-02:00, Mon., 23 Apr. 0.0489 0.0434 0.0457
00:01-01:00, Mon., 23 Apr. 0.0503 0.0444 0.0473