Measurement results by the hour (Koto) 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. 0.0477 0.0416 0.0445
22:01-23:00, Sun., 15 Apr. 0.0484 0.0427 0.0448
21:01-22:00, Sun., 15 Apr. 0.0469 0.0420 0.0443
20:01-21:00, Sun., 15 Apr. 0.0475 0.0425 0.0446
19:01-20:00, Sun., 15 Apr. 0.0479 0.0420 0.0446
18:01-19:00, Sun., 15 Apr. 0.0468 0.0417 0.0443
17:01-18:00, Sun., 15 Apr. 0.0472 0.0421 0.0446
16:01-17:00, Sun., 15 Apr. 0.0471 0.0423 0.0445
15:01-16:00, Sun., 15 Apr. 0.0472 0.0419 0.0446
14:01-15:00, Sun., 15 Apr. 0.0472 0.0414 0.0444
13:01-14:00, Sun., 15 Apr. 0.0474 0.0426 0.0446
12:01-13:00, Sun., 15 Apr. 0.0471 0.0418 0.0444
11:01-12:00, Sun., 15 Apr. 0.0482 0.0419 0.0444
10:01-11:00, Sun., 15 Apr. 0.0477 0.0428 0.0446
09:01-10:00, Sun., 15 Apr. 0.0475 0.0418 0.0445
08:01-09:00, Sun., 15 Apr. 0.0474 0.0420 0.0445
07:01-08:00, Sun., 15 Apr. 0.0472 0.0420 0.0446
06:01-07:00, Sun., 15 Apr. 0.0469 0.0417 0.0444
05:01-06:00, Sun., 15 Apr. 0.0470 0.0420 0.0447
04:01-05:00, Sun., 15 Apr. 0.0470 0.0423 0.0446
03:01-04:00, Sun., 15 Apr. 0.0469 0.0422 0.0444
02:01-03:00, Sun., 15 Apr. 0.0475 0.0421 0.0446
01:01-02:00, Sun., 15 Apr. 0.0469 0.0418 0.0446
00:01-01:00, Sun., 15 Apr. 0.0477 0.0421 0.0446
23:01-24:00, Sat., 14 Apr. 0.0483 0.0400 0.0449
22:01-23:00, Sat., 14 Apr. 0.0484 0.0427 0.0453
21:01-22:00, Sat., 14 Apr. 0.0484 0.0434 0.0452
20:01-21:00, Sat., 14 Apr. 0.0494 0.0431 0.0465
19:01-20:00, Sat., 14 Apr. 0.0513 0.0442 0.0470
18:01-19:00, Sat., 14 Apr. 0.0501 0.0447 0.0474
17:01-18:00, Sat., 14 Apr. 0.0500 0.0441 0.0469
16:01-17:00, Sat., 14 Apr. 0.0524 0.0452 0.0480
15:01-16:00, Sat., 14 Apr. 0.0524 0.0450 0.0485
14:01-15:00, Sat., 14 Apr. 0.0534 0.0470 0.0500
13:01-14:00, Sat., 14 Apr. 0.0562 0.0489 0.0526
12:01-13:00, Sat., 14 Apr. 0.0561 0.0478 0.0524
11:01-12:00, Sat., 14 Apr. 0.0544 0.0493 0.0519
10:01-11:00, Sat., 14 Apr. 0.0567 0.0488 0.0533
09:01-10:00, Sat., 14 Apr. 0.0553 0.0497 0.0526
08:01-09:00, Sat., 14 Apr. 0.0545 0.0479 0.0519
07:01-08:00, Sat., 14 Apr. 0.0560 0.0492 0.0529
06:01-07:00, Sat., 14 Apr. 0.0574 0.0493 0.0534
05:01-06:00, Sat., 14 Apr. 0.0561 0.0482 0.0514
04:01-05:00, Sat., 14 Apr. 0.0541 0.0468 0.0501
03:01-04:00, Sat., 14 Apr. 0.0524 0.0460 0.0491
02:01-03:00, Sat., 14 Apr. 0.0521 0.0465 0.0496
01:01-02:00, Sat., 14 Apr. 0.0538 0.0459 0.0494
00:01-01:00, Sat., 14 Apr. 0.0517 0.0449 0.0478
23:01-24:00, Fri., 13 Apr. 0.0514 0.0451 0.0476
22:01-23:00, Fri., 13 Apr. 0.0514 0.0459 0.0485
21:01-22:00, Fri., 13 Apr. 0.0524 0.0464 0.0495
20:01-21:00, Fri., 13 Apr. 0.0520 0.0442 0.0483
19:01-20:00, Fri., 13 Apr. 0.0481 0.0430 0.0453
18:01-19:00, Fri., 13 Apr. 0.0487 0.0427 0.0449
17:01-18:00, Fri., 13 Apr. 0.0471 0.0425 0.0449
16:01-17:00, Fri., 13 Apr. 0.0475 0.0430 0.0451
15:01-16:00, Fri., 13 Apr. 0.0480 0.0430 0.0453
14:01-15:00, Fri., 13 Apr. 0.0478 0.0426 0.0449
13:01-14:00, Fri., 13 Apr. 0.0476 0.0416 0.0445
12:01-13:00, Fri., 13 Apr. 0.0478 0.0423 0.0447
11:01-12:00, Fri., 13 Apr. 0.0469 0.0419 0.0445
10:01-11:00, Fri., 13 Apr. 0.0476 0.0425 0.0446
09:01-10:00, Fri., 13 Apr. 0.0470 0.0419 0.0445
08:01-09:00, Fri., 13 Apr. 0.0473 0.0424 0.0446
07:01-08:00, Fri., 13 Apr. 0.0482 0.0425 0.0446
06:01-07:00, Fri., 13 Apr. 0.0476 0.0424 0.0447
05:01-06:00, Fri., 13 Apr. 0.0491 0.0427 0.0449
04:01-05:00, Fri., 13 Apr. 0.0475 0.0419 0.0446
03:01-04:00, Fri., 13 Apr. 0.0471 0.0430 0.0449
02:01-03:00, Fri., 13 Apr. 0.0478 0.0427 0.0448
01:01-02:00, Fri., 13 Apr. 0.0474 0.0429 0.0448
00:01-01:00, Fri., 13 Apr. 0.0483 0.0418 0.0447
23:01-24:00, Thu., 12 Apr. 0.0470 0.0410 0.0445
22:01-23:00, Thu., 12 Apr. 0.0473 0.0426 0.0448
21:01-22:00, Thu., 12 Apr. 0.0475 0.0411 0.0447
20:01-21:00, Thu., 12 Apr. 0.0473 0.0420 0.0448
19:01-20:00, Thu., 12 Apr. 0.0476 0.0416 0.0446
18:01-19:00, Thu., 12 Apr. 0.0494 0.0424 0.0451
17:01-18:00, Thu., 12 Apr. 0.0491 0.0424 0.0450
16:01-17:00, Thu., 12 Apr. 0.0480 0.0423 0.0447
15:01-16:00, Thu., 12 Apr. 0.0466 0.0411 0.0445
14:01-15:00, Thu., 12 Apr. 0.0467 0.0422 0.0447
13:01-14:00, Thu., 12 Apr. 0.0489 0.0428 0.0447
12:01-13:00, Thu., 12 Apr. 0.0471 0.0422 0.0446
11:01-12:00, Thu., 12 Apr. 0.0469 0.0418 0.0446
10:01-11:00, Thu., 12 Apr. 0.0474 0.0423 0.0447
09:01-10:00, Thu., 12 Apr. 0.0476 0.0420 0.0445
08:01-09:00, Thu., 12 Apr. 0.0476 0.0417 0.0447
07:01-08:00, Thu., 12 Apr. 0.0484 0.0427 0.0450
06:01-07:00, Thu., 12 Apr. 0.0469 0.0418 0.0447
05:01-06:00, Thu., 12 Apr. 0.0468 0.0422 0.0445
04:01-05:00, Thu., 12 Apr. 0.0474 0.0416 0.0447
03:01-04:00, Thu., 12 Apr. 0.0480 0.0420 0.0448
02:01-03:00, Thu., 12 Apr. 0.0491 0.0425 0.0449
01:01-02:00, Thu., 12 Apr. 0.0470 0.0412 0.0447
00:01-01:00, Thu., 12 Apr. 0.0486 0.0423 0.0452
23:01-24:00, Wed., 11 Apr. 0.0505 0.0441 0.0471
22:01-23:00, Wed., 11 Apr. 0.0512 0.0447 0.0479
21:01-22:00, Wed., 11 Apr. 0.0510 0.0436 0.0478
20:01-21:00, Wed., 11 Apr. 0.0508 0.0443 0.0473
19:01-20:00, Wed., 11 Apr. 0.0501 0.0449 0.0472
18:01-19:00, Wed., 11 Apr. 0.0485 0.0433 0.0458
17:01-18:00, Wed., 11 Apr. 0.0484 0.0425 0.0463
16:01-17:00, Wed., 11 Apr. 0.0496 0.0432 0.0461
15:01-16:00, Wed., 11 Apr. 0.0497 0.0439 0.0466
14:01-15:00, Wed., 11 Apr. 0.0499 0.0429 0.0455
13:01-14:00, Wed., 11 Apr. 0.0485 0.0416 0.0453
12:01-13:00, Wed., 11 Apr. 0.0510 0.0428 0.0457
11:01-12:00, Wed., 11 Apr. 0.0500 0.0442 0.0470