Measurement results by the hour (Koto) 24 Dec., 2012 - 30 Dec., 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., 30 Dec. 0.0444 0.0401 0.0423
22:01-23:00, Sun., 30 Dec. 0.0452 0.0410 0.0430
21:01-22:00, Sun., 30 Dec. 0.0455 0.0408 0.0432
20:01-21:00, Sun., 30 Dec. 0.0494 0.0414 0.0463
19:01-20:00, Sun., 30 Dec. 0.0520 0.0454 0.0488
18:01-19:00, Sun., 30 Dec. 0.0523 0.0462 0.0495
17:01-18:00, Sun., 30 Dec. 0.0535 0.0459 0.0494
16:01-17:00, Sun., 30 Dec. 0.0525 0.0453 0.0486
15:01-16:00, Sun., 30 Dec. 0.0476 0.0433 0.0454
14:01-15:00, Sun., 30 Dec. 0.0474 0.0420 0.0445
13:01-14:00, Sun., 30 Dec. 0.0502 0.0432 0.0459
12:01-13:00, Sun., 30 Dec. 0.0477 0.0421 0.0454
11:01-12:00, Sun., 30 Dec. 0.0489 0.0429 0.0459
10:01-11:00, Sun., 30 Dec. 0.0481 0.0431 0.0456
09:01-10:00, Sun., 30 Dec. 0.0466 0.0399 0.0432
08:01-09:00, Sun., 30 Dec. 0.0461 0.0394 0.0428
07:01-08:00, Sun., 30 Dec. 0.0456 0.0404 0.0434
06:01-07:00, Sun., 30 Dec. 0.0455 0.0409 0.0432
05:01-06:00, Sun., 30 Dec. 0.0459 0.0411 0.0440
04:01-05:00, Sun., 30 Dec. 0.0465 0.0398 0.0435
03:01-04:00, Sun., 30 Dec. 0.0458 0.0403 0.0428
02:01-03:00, Sun., 30 Dec. 0.0463 0.0399 0.0429
01:01-02:00, Sun., 30 Dec. 0.0456 0.0401 0.0427
00:01-01:00, Sun., 30 Dec. 0.0437 0.0400 0.0421
23:01-24:00, Sat., 29 Dec. 0.0451 0.0390 0.0422
22:01-23:00, Sat., 29 Dec. 0.0451 0.0398 0.0420
21:01-22:00, Sat., 29 Dec. 0.0446 0.0394 0.0422
20:01-21:00, Sat., 29 Dec. 0.0439 0.0397 0.0420
19:01-20:00, Sat., 29 Dec. 0.0462 0.0396 0.0422
18:01-19:00, Sat., 29 Dec. 0.0444 0.0392 0.0418
17:01-18:00, Sat., 29 Dec. 0.0446 0.0401 0.0418
16:01-17:00, Sat., 29 Dec. 0.0449 0.0397 0.0423
15:01-16:00, Sat., 29 Dec. 0.0457 0.0390 0.0421
14:01-15:00, Sat., 29 Dec. 0.0444 0.0395 0.0422
13:01-14:00, Sat., 29 Dec. 0.0446 0.0403 0.0421
12:01-13:00, Sat., 29 Dec. 0.0449 0.0400 0.0423
11:01-12:00, Sat., 29 Dec. 0.0445 0.0395 0.0421
10:01-11:00, Sat., 29 Dec. 0.0464 0.0394 0.0423
09:01-10:00, Sat., 29 Dec. 0.0444 0.0398 0.0421
08:01-09:00, Sat., 29 Dec. 0.0456 0.0395 0.0421
07:01-08:00, Sat., 29 Dec. 0.0447 0.0403 0.0423
06:01-07:00, Sat., 29 Dec. 0.0449 0.0407 0.0428
05:01-06:00, Sat., 29 Dec. 0.0466 0.0397 0.0425
04:01-05:00, Sat., 29 Dec. 0.0445 0.0397 0.0424
03:01-04:00, Sat., 29 Dec. 0.0461 0.0405 0.0432
02:01-03:00, Sat., 29 Dec. 0.0497 0.0430 0.0460
01:01-02:00, Sat., 29 Dec. 0.0493 0.0433 0.0458
00:01-01:00, Sat., 29 Dec. 0.0501 0.0431 0.0457
23:01-24:00, Fri., 28 Dec. 0.0476 0.0422 0.0450
22:01-23:00, Fri., 28 Dec. 0.0472 0.0425 0.0449
21:01-22:00, Fri., 28 Dec. 0.0463 0.0411 0.0433
20:01-21:00, Fri., 28 Dec. 0.0456 0.0408 0.0432
19:01-20:00, Fri., 28 Dec. 0.0468 0.0422 0.0445
18:01-19:00, Fri., 28 Dec. 0.0498 0.0433 0.0459
17:01-18:00, Fri., 28 Dec. 0.0494 0.0440 0.0462
16:01-17:00, Fri., 28 Dec. 0.0495 0.0428 0.0456
15:01-16:00, Fri., 28 Dec. 0.0469 0.0403 0.0437
14:01-15:00, Fri., 28 Dec. 0.0451 0.0398 0.0429
13:01-14:00, Fri., 28 Dec. 0.0445 0.0404 0.0426
12:01-13:00, Fri., 28 Dec. 0.0453 0.0399 0.0428
11:01-12:00, Fri., 28 Dec. 0.0454 0.0393 0.0426
10:01-11:00, Fri., 28 Dec. 0.0451 0.0389 0.0423
09:01-10:00, Fri., 28 Dec. 0.0454 0.0405 0.0427
08:01-09:00, Fri., 28 Dec. 0.0457 0.0401 0.0424
07:01-08:00, Fri., 28 Dec. 0.0459 0.0402 0.0425
06:01-07:00, Fri., 28 Dec. 0.0456 0.0403 0.0430
05:01-06:00, Fri., 28 Dec. 0.0462 0.0400 0.0431
04:01-05:00, Fri., 28 Dec. 0.0462 0.0408 0.0432
03:01-04:00, Fri., 28 Dec. 0.0455 0.0408 0.0430
02:01-03:00, Fri., 28 Dec. 0.0468 0.0409 0.0428
01:01-02:00, Fri., 28 Dec. 0.0457 0.0402 0.0427
00:01-01:00, Fri., 28 Dec. 0.0467 0.0400 0.0428
23:01-24:00, Thu., 27 Dec. 0.0456 0.0405 0.0426
22:01-23:00, Thu., 27 Dec. 0.0454 0.0392 0.0425
21:01-22:00, Thu., 27 Dec. 0.0444 0.0401 0.0424
20:01-21:00, Thu., 27 Dec. 0.0452 0.0401 0.0423
19:01-20:00, Thu., 27 Dec. 0.0444 0.0396 0.0423
18:01-19:00, Thu., 27 Dec. 0.0450 0.0398 0.0423
17:01-18:00, Thu., 27 Dec. 0.0447 0.0403 0.0423
16:01-17:00, Thu., 27 Dec. 0.0456 0.0397 0.0422
15:01-16:00, Thu., 27 Dec. 0.0455 0.0402 0.0426
14:01-15:00, Thu., 27 Dec. 0.0457 0.0400 0.0423
13:01-14:00, Thu., 27 Dec. 0.0465 0.0397 0.0424
12:01-13:00, Thu., 27 Dec. 0.0448 0.0399 0.0422
11:01-12:00, Thu., 27 Dec. 0.0451 0.0397 0.0421
10:01-11:00, Thu., 27 Dec. 0.0451 0.0399 0.0422
09:01-10:00, Thu., 27 Dec. 0.0444 0.0394 0.0421
08:01-09:00, Thu., 27 Dec. 0.0458 0.0396 0.0423
07:01-08:00, Thu., 27 Dec. 0.0454 0.0394 0.0425
06:01-07:00, Thu., 27 Dec. 0.0450 0.0402 0.0424
05:01-06:00, Thu., 27 Dec. 0.0457 0.0398 0.0423
04:01-05:00, Thu., 27 Dec. 0.0456 0.0402 0.0426
03:01-04:00, Thu., 27 Dec. 0.0458 0.0399 0.0427
02:01-03:00, Thu., 27 Dec. 0.0449 0.0399 0.0427
01:01-02:00, Thu., 27 Dec. 0.0451 0.0399 0.0424
00:01-01:00, Thu., 27 Dec. 0.0461 0.0405 0.0425
23:01-24:00, Wed., 26 Dec. 0.0450 0.0402 0.0426
22:01-23:00, Wed., 26 Dec. 0.0449 0.0402 0.0425
21:01-22:00, Wed., 26 Dec. 0.0455 0.0404 0.0427
20:01-21:00, Wed., 26 Dec. 0.0448 0.0401 0.0425
19:01-20:00, Wed., 26 Dec. 0.0465 0.0410 0.0429
18:01-19:00, Wed., 26 Dec. 0.0456 0.0399 0.0424
17:01-18:00, Wed., 26 Dec. 0.0452 0.0408 0.0428
16:01-17:00, Wed., 26 Dec. 0.0455 0.0400 0.0423
15:01-16:00, Wed., 26 Dec. 0.0455 0.0401 0.0423
14:01-15:00, Wed., 26 Dec. 0.0455 0.0402 0.0427
13:01-14:00, Wed., 26 Dec. 0.0450 0.0396 0.0425
12:01-13:00, Wed., 26 Dec. 0.0467 0.0398 0.0427
11:01-12:00, Wed., 26 Dec. 0.0463 0.0396 0.0430
10:01-11:00, Wed., 26 Dec. 0.0448 0.0405 0.0424
09:01-10:00, Wed., 26 Dec. 0.0449 0.0406 0.0426
08:01-09:00, Wed., 26 Dec. 0.0452 0.0407 0.0428
07:01-08:00, Wed., 26 Dec. 0.0460 0.0390 0.0430
06:01-07:00, Wed., 26 Dec. 0.0459 0.0394 0.0427
05:01-06:00, Wed., 26 Dec. 0.0453 0.0402 0.0424
04:01-05:00, Wed., 26 Dec. 0.0452 0.0400 0.0425
03:01-04:00, Wed., 26 Dec. 0.0465 0.0392 0.0425
02:01-03:00, Wed., 26 Dec. 0.0447 0.0412 0.0427
01:01-02:00, Wed., 26 Dec. 0.0456 0.0406 0.0427
00:01-01:00, Wed., 26 Dec. 0.0444 0.0408 0.0426
23:01-24:00, Tue., 25 Dec. 0.0445 0.0402 0.0424
22:01-23:00, Tue., 25 Dec. 0.0459 0.0395 0.0424
21:01-22:00, Tue., 25 Dec. 0.0451 0.0398 0.0423
20:01-21:00, Tue., 25 Dec. 0.0446 0.0400 0.0424
19:01-20:00, Tue., 25 Dec. 0.0452 0.0402 0.0425
18:01-19:00, Tue., 25 Dec. 0.0465 0.0403 0.0428
17:01-18:00, Tue., 25 Dec. 0.0448 0.0402 0.0423
16:01-17:00, Tue., 25 Dec. 0.0455 0.0393 0.0422
15:01-16:00, Tue., 25 Dec. 0.0457 0.0394 0.0425
14:01-15:00, Tue., 25 Dec. 0.0452 0.0397 0.0423
13:01-14:00, Tue., 25 Dec. 0.0450 0.0396 0.0424
12:01-13:00, Tue., 25 Dec. 0.0452 0.0398 0.0428
11:01-12:00, Tue., 25 Dec. 0.0456 0.0407 0.0427
10:01-11:00, Tue., 25 Dec. 0.0450 0.0394 0.0423
09:01-10:00, Tue., 25 Dec. 0.0455 0.0409 0.0427
08:01-09:00, Tue., 25 Dec. 0.0451 0.0395 0.0425
07:01-08:00, Tue., 25 Dec. 0.0447 0.0400 0.0426
06:01-07:00, Tue., 25 Dec. 0.0452 0.0388 0.0422
05:01-06:00, Tue., 25 Dec. 0.0451 0.0395 0.0425
04:01-05:00, Tue., 25 Dec. 0.0446 0.0396 0.0424
03:01-04:00, Tue., 25 Dec. 0.0453 0.0390 0.0425
02:01-03:00, Tue., 25 Dec. 0.0450 0.0400 0.0425
01:01-02:00, Tue., 25 Dec. 0.0468 0.0396 0.0425
00:01-01:00, Tue., 25 Dec. 0.0446 0.0400 0.0424
23:01-24:00, Mon., 24 Dec. 0.0467 0.0400 0.0426
22:01-23:00, Mon., 24 Dec. 0.0447 0.0395 0.0424
21:01-22:00, Mon., 24 Dec. 0.0456 0.0396 0.0427
20:01-21:00, Mon., 24 Dec. 0.0458 0.0397 0.0427
19:01-20:00, Mon., 24 Dec. 0.0447 0.0405 0.0425
18:01-19:00, Mon., 24 Dec. 0.0455 0.0400 0.0425
17:01-18:00, Mon., 24 Dec. 0.0448 0.0404 0.0427
16:01-17:00, Mon., 24 Dec. 0.0452 0.0403 0.0426
15:01-16:00, Mon., 24 Dec. 0.0452 0.0397 0.0427
14:01-15:00, Mon., 24 Dec. 0.0458 0.0397 0.0426
13:01-14:00, Mon., 24 Dec. 0.0444 0.0403 0.0426
12:01-13:00, Mon., 24 Dec. 0.0451 0.0401 0.0424
11:01-12:00, Mon., 24 Dec. 0.0446 0.0396 0.0422
10:01-11:00, Mon., 24 Dec. 0.0446 0.0405 0.0425
09:01-10:00, Mon., 24 Dec. 0.0462 0.0392 0.0424
08:01-09:00, Mon., 24 Dec. 0.0448 0.0396 0.0424
07:01-08:00, Mon., 24 Dec. 0.0464 0.0388 0.0426
06:01-07:00, Mon., 24 Dec. 0.0452 0.0405 0.0427
05:01-06:00, Mon., 24 Dec. 0.0450 0.0404 0.0427
04:01-05:00, Mon., 24 Dec. 0.0456 0.0402 0.0429
03:01-04:00, Mon., 24 Dec. 0.0457 0.0403 0.0427
02:01-03:00, Mon., 24 Dec. 0.0457 0.0404 0.0428
01:01-02:00, Mon., 24 Dec. 0.0451 0.0405 0.0426
00:01-01:00, Mon., 24 Dec. 0.0450 0.0405 0.0427