Measurement results by the hour (Koto) 16 Apr., 2012 - 22 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., 22 Apr. 0.0493 0.0444 0.0471
22:01-23:00, Sun., 22 Apr. 0.0496 0.0438 0.0470
21:01-22:00, Sun., 22 Apr. 0.0502 0.0447 0.0468
20:01-21:00, Sun., 22 Apr. 0.0501 0.0442 0.0466
19:01-20:00, Sun., 22 Apr. 0.0485 0.0445 0.0466
18:01-19:00, Sun., 22 Apr. 0.0486 0.0423 0.0457
17:01-18:00, Sun., 22 Apr. 0.0471 0.0431 0.0450
16:01-17:00, Sun., 22 Apr. 0.0468 0.0412 0.0443
15:01-16:00, Sun., 22 Apr. 0.0482 0.0408 0.0447
14:01-15:00, Sun., 22 Apr. 0.0487 0.0419 0.0446
13:01-14:00, Sun., 22 Apr. 0.0478 0.0414 0.0444
12:01-13:00, Sun., 22 Apr. 0.0474 0.0417 0.0446
11:01-12:00, Sun., 22 Apr. 0.0482 0.0421 0.0445
10:01-11:00, Sun., 22 Apr. 0.0472 0.0416 0.0446
09:01-10:00, Sun., 22 Apr. 0.0470 0.0414 0.0443
08:01-09:00, Sun., 22 Apr. 0.0475 0.0418 0.0442
07:01-08:00, Sun., 22 Apr. 0.0477 0.0421 0.0446
06:01-07:00, Sun., 22 Apr. 0.0469 0.0418 0.0446
05:01-06:00, Sun., 22 Apr. 0.0471 0.0421 0.0442
04:01-05:00, Sun., 22 Apr. 0.0473 0.0419 0.0444
03:01-04:00, Sun., 22 Apr. 0.0471 0.0422 0.0447
02:01-03:00, Sun., 22 Apr. 0.0474 0.0416 0.0444
01:01-02:00, Sun., 22 Apr. 0.0480 0.0418 0.0449
00:01-01:00, Sun., 22 Apr. 0.0491 0.0424 0.0446
23:01-24:00, Sat., 21 Apr. 0.0471 0.0410 0.0443
22:01-23:00, Sat., 21 Apr. 0.0471 0.0417 0.0446
21:01-22:00, Sat., 21 Apr. 0.0475 0.0412 0.0442
20:01-21:00, Sat., 21 Apr. 0.0476 0.0415 0.0445
19:01-20:00, Sat., 21 Apr. 0.0485 0.0418 0.0447
18:01-19:00, Sat., 21 Apr. 0.0479 0.0420 0.0441
17:01-18:00, Sat., 21 Apr. 0.0477 0.0411 0.0442
16:01-17:00, Sat., 21 Apr. 0.0471 0.0419 0.0445
15:01-16:00, Sat., 21 Apr. 0.0468 0.0421 0.0443
14:01-15:00, Sat., 21 Apr. 0.0476 0.0418 0.0442
13:01-14:00, Sat., 21 Apr. 0.0472 0.0411 0.0441
12:01-13:00, Sat., 21 Apr. 0.0467 0.0421 0.0441
11:01-12:00, Sat., 21 Apr. 0.0474 0.0414 0.0442
10:01-11:00, Sat., 21 Apr. 0.0470 0.0423 0.0443
09:01-10:00, Sat., 21 Apr. 0.0464 0.0415 0.0441
08:01-09:00, Sat., 21 Apr. 0.0468 0.0417 0.0443
07:01-08:00, Sat., 21 Apr. 0.0483 0.0419 0.0443
06:01-07:00, Sat., 21 Apr. 0.0470 0.0423 0.0444
05:01-06:00, Sat., 21 Apr. 0.0473 0.0419 0.0441
04:01-05:00, Sat., 21 Apr. 0.0475 0.0412 0.0447
03:01-04:00, Sat., 21 Apr. 0.0480 0.0424 0.0443
02:01-03:00, Sat., 21 Apr. 0.0474 0.0421 0.0443
01:01-02:00, Sat., 21 Apr. 0.0476 0.0415 0.0442
00:01-01:00, Sat., 21 Apr. 0.0470 0.0416 0.0444
23:01-24:00, Fri., 20 Apr. 0.0477 0.0422 0.0444
22:01-23:00, Fri., 20 Apr. 0.0487 0.0423 0.0445
21:01-22:00, Fri., 20 Apr. 0.0474 0.0416 0.0444
20:01-21:00, Fri., 20 Apr. 0.0469 0.0407 0.0443
19:01-20:00, Fri., 20 Apr. 0.0470 0.0420 0.0444
18:01-19:00, Fri., 20 Apr. 0.0477 0.0422 0.0444
17:01-18:00, Fri., 20 Apr. 0.0467 0.0421 0.0444
16:01-17:00, Fri., 20 Apr. 0.0471 0.0422 0.0445
15:01-16:00, Fri., 20 Apr. 0.0463 0.0412 0.0443
14:01-15:00, Fri., 20 Apr. 0.0471 0.0421 0.0447
13:01-14:00, Fri., 20 Apr. 0.0471 0.0424 0.0444
12:01-13:00, Fri., 20 Apr. 0.0476 0.0415 0.0443
11:01-12:00, Fri., 20 Apr. 0.0470 0.0417 0.0442
10:01-11:00, Fri., 20 Apr. 0.0472 0.0407 0.0441
09:01-10:00, Fri., 20 Apr. 0.0465 0.0409 0.0445
08:01-09:00, Fri., 20 Apr. 0.0471 0.0421 0.0444
07:01-08:00, Fri., 20 Apr. 0.0469 0.0424 0.0444
06:01-07:00, Fri., 20 Apr. 0.0468 0.0414 0.0445
05:01-06:00, Fri., 20 Apr. 0.0470 0.0412 0.0442
04:01-05:00, Fri., 20 Apr. 0.0472 0.0426 0.0446
03:01-04:00, Fri., 20 Apr. 0.0474 0.0418 0.0442
02:01-03:00, Fri., 20 Apr. 0.0468 0.0421 0.0445
01:01-02:00, Fri., 20 Apr. 0.0469 0.0419 0.0443
00:01-01:00, Fri., 20 Apr. 0.0470 0.0423 0.0448
23:01-24:00, Thu., 19 Apr. 0.0474 0.0417 0.0444
22:01-23:00, Thu., 19 Apr. 0.0473 0.0418 0.0445
21:01-22:00, Thu., 19 Apr. 0.0481 0.0425 0.0447
20:01-21:00, Thu., 19 Apr. 0.0466 0.0425 0.0444
19:01-20:00, Thu., 19 Apr. 0.0474 0.0419 0.0445
18:01-19:00, Thu., 19 Apr. 0.0465 0.0418 0.0443
17:01-18:00, Thu., 19 Apr. 0.0483 0.0413 0.0445
16:01-17:00, Thu., 19 Apr. 0.0472 0.0419 0.0447
15:01-16:00, Thu., 19 Apr. 0.0467 0.0422 0.0444
14:01-15:00, Thu., 19 Apr. 0.0470 0.0422 0.0444
13:01-14:00, Thu., 19 Apr. 0.0472 0.0416 0.0444
12:01-13:00, Thu., 19 Apr. 0.0466 0.0423 0.0444
11:01-12:00, Thu., 19 Apr. 0.0472 0.0418 0.0443
10:01-11:00, Thu., 19 Apr. 0.0466 0.0419 0.0445
09:01-10:00, Thu., 19 Apr. 0.0487 0.0424 0.0445
08:01-09:00, Thu., 19 Apr. 0.0465 0.0417 0.0442
07:01-08:00, Thu., 19 Apr. 0.0478 0.0417 0.0446
06:01-07:00, Thu., 19 Apr. 0.0466 0.0426 0.0444
05:01-06:00, Thu., 19 Apr. 0.0465 0.0420 0.0446
04:01-05:00, Thu., 19 Apr. 0.0465 0.0413 0.0442
03:01-04:00, Thu., 19 Apr. 0.0466 0.0419 0.0444
02:01-03:00, Thu., 19 Apr. 0.0472 0.0409 0.0445
01:01-02:00, Thu., 19 Apr. 0.0490 0.0426 0.0445
00:01-01:00, Thu., 19 Apr. 0.0476 0.0420 0.0443
23:01-24:00, Wed., 18 Apr. 0.0476 0.0410 0.0442
22:01-23:00, Wed., 18 Apr. 0.0467 0.0409 0.0443
21:01-22:00, Wed., 18 Apr. 0.0473 0.0420 0.0443
20:01-21:00, Wed., 18 Apr. 0.0481 0.0422 0.0445
19:01-20:00, Wed., 18 Apr. 0.0476 0.0410 0.0444
18:01-19:00, Wed., 18 Apr. 0.0470 0.0420 0.0448
17:01-18:00, Wed., 18 Apr. 0.0467 0.0420 0.0444
16:01-17:00, Wed., 18 Apr. 0.0483 0.0416 0.0445
15:01-16:00, Wed., 18 Apr. 0.0463 0.0416 0.0442
14:01-15:00, Wed., 18 Apr. 0.0463 0.0428 0.0446
13:01-14:00, Wed., 18 Apr. 0.0475 0.0415 0.0444
12:01-13:00, Wed., 18 Apr. 0.0465 0.0416 0.0444
11:01-12:00, Wed., 18 Apr. 0.0478 0.0414 0.0443
10:01-11:00, Wed., 18 Apr. 0.0466 0.0404 0.0441
09:01-10:00, Wed., 18 Apr. 0.0470 0.0421 0.0445
08:01-09:00, Wed., 18 Apr. 0.0469 0.0419 0.0446
07:01-08:00, Wed., 18 Apr. 0.0468 0.0419 0.0446
06:01-07:00, Wed., 18 Apr. 0.0473 0.0420 0.0446
05:01-06:00, Wed., 18 Apr. 0.0473 0.0421 0.0445
04:01-05:00, Wed., 18 Apr. 0.0468 0.0421 0.0446
03:01-04:00, Wed., 18 Apr. 0.0481 0.0416 0.0444
02:01-03:00, Wed., 18 Apr. 0.0475 0.0413 0.0445
01:01-02:00, Wed., 18 Apr. 0.0469 0.0412 0.0444
00:01-01:00, Wed., 18 Apr. 0.0470 0.0417 0.0442
23:01-24:00, Tue., 17 Apr. 0.0479 0.0423 0.0446
22:01-23:00, Tue., 17 Apr. 0.0472 0.0418 0.0447
21:01-22:00, Tue., 17 Apr. 0.0464 0.0423 0.0444
20:01-21:00, Tue., 17 Apr. 0.0489 0.0426 0.0456
19:01-20:00, Tue., 17 Apr. 0.0497 0.0439 0.0472
18:01-19:00, Tue., 17 Apr. 0.0496 0.0435 0.0467
17:01-18:00, Tue., 17 Apr. 0.0518 0.0441 0.0476
16:01-17:00, Tue., 17 Apr. 0.0499 0.0432 0.0462
15:01-16:00, Tue., 17 Apr. 0.0477 0.0418 0.0444
14:01-15:00, Tue., 17 Apr. 0.0466 0.0416 0.0443
13:01-14:00, Tue., 17 Apr. 0.0475 0.0416 0.0442
12:01-13:00, Tue., 17 Apr. 0.0475 0.0414 0.0444
11:01-12:00, Tue., 17 Apr. 0.0469 0.0417 0.0442
10:01-11:00, Tue., 17 Apr. 0.0474 0.0411 0.0444
09:01-10:00, Tue., 17 Apr. 0.0473 0.0417 0.0449
08:01-09:00, Tue., 17 Apr. 0.0466 0.0426 0.0446
07:01-08:00, Tue., 17 Apr. 0.0482 0.0418 0.0444
06:01-07:00, Tue., 17 Apr. 0.0481 0.0418 0.0444
05:01-06:00, Tue., 17 Apr. 0.0475 0.0427 0.0448
04:01-05:00, Tue., 17 Apr. 0.0473 0.0425 0.0447
03:01-04:00, Tue., 17 Apr. 0.0472 0.0416 0.0446
02:01-03:00, Tue., 17 Apr. 0.0462 0.0420 0.0444
01:01-02:00, Tue., 17 Apr. 0.0470 0.0408 0.0445
00:01-01:00, Tue., 17 Apr. 0.0464 0.0420 0.0444
23:01-24:00, Mon., 16 Apr. 0.0471 0.0420 0.0442
22:01-23:00, Mon., 16 Apr. 0.0476 0.0417 0.0443
21:01-22:00, Mon., 16 Apr. 0.0479 0.0426 0.0445
20:01-21:00, Mon., 16 Apr. 0.0473 0.0423 0.0447
19:01-20:00, Mon., 16 Apr. 0.0485 0.0415 0.0446
18:01-19:00, Mon., 16 Apr. 0.0477 0.0429 0.0451
17:01-18:00, Mon., 16 Apr. 0.0491 0.0414 0.0445
16:01-17:00, Mon., 16 Apr. 0.0472 0.0425 0.0445
15:01-16:00, Mon., 16 Apr. 0.0472 0.0421 0.0446
14:01-15:00, Mon., 16 Apr. 0.0480 0.0416 0.0444
13:01-14:00, Mon., 16 Apr. 0.0478 0.0409 0.0446
12:01-13:00, Mon., 16 Apr. 0.0470 0.0419 0.0442
11:01-12:00, Mon., 16 Apr. 0.0470 0.0420 0.0446
10:01-11:00, Mon., 16 Apr. 0.0480 0.0420 0.0444
09:01-10:00, Mon., 16 Apr. 0.0480 0.0420 0.0446
08:01-09:00, Mon., 16 Apr. 0.0483 0.0418 0.0445
07:01-08:00, Mon., 16 Apr. 0.0469 0.0416 0.0442
06:01-07:00, Mon., 16 Apr. 0.0480 0.0418 0.0445
05:01-06:00, Mon., 16 Apr. 0.0474 0.0420 0.0446
04:01-05:00, Mon., 16 Apr. 0.0471 0.0413 0.0444
03:01-04:00, Mon., 16 Apr. 0.0471 0.0417 0.0445
02:01-03:00, Mon., 16 Apr. 0.0474 0.0420 0.0446
01:01-02:00, Mon., 16 Apr. 0.0480 0.0421 0.0447
00:01-01:00, Mon., 16 Apr. 0.0464 0.0417 0.0442