Measurement results by the hour (Koto) 15 Apr., 2013 - 21 Apr., 2013

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., 21 Apr. 0.0433 0.0394 0.0411
22:01-23:00, Sun., 21 Apr. 0.0434 0.0378 0.0411
21:01-22:00, Sun., 21 Apr. 0.0434 0.0383 0.0407
20:01-21:00, Sun., 21 Apr. 0.0433 0.0388 0.0412
19:01-20:00, Sun., 21 Apr. 0.0445 0.0391 0.0414
18:01-19:00, Sun., 21 Apr. 0.0444 0.0387 0.0414
17:01-18:00, Sun., 21 Apr. 0.0438 0.0382 0.0413
16:01-17:00, Sun., 21 Apr. 0.0432 0.0376 0.0411
15:01-16:00, Sun., 21 Apr. 0.0442 0.0393 0.0414
14:01-15:00, Sun., 21 Apr. 0.0441 0.0390 0.0416
13:01-14:00, Sun., 21 Apr. 0.0453 0.0400 0.0428
12:01-13:00, Sun., 21 Apr. 0.0502 0.0425 0.0459
11:01-12:00, Sun., 21 Apr. 0.0525 0.0458 0.0491
10:01-11:00, Sun., 21 Apr. 0.0537 0.0476 0.0509
09:01-10:00, Sun., 21 Apr. 0.0560 0.0488 0.0520
08:01-09:00, Sun., 21 Apr. 0.0561 0.0487 0.0521
07:01-08:00, Sun., 21 Apr. 0.0556 0.0477 0.0513
06:01-07:00, Sun., 21 Apr. 0.0545 0.0475 0.0511
05:01-06:00, Sun., 21 Apr. 0.0526 0.0451 0.0486
04:01-05:00, Sun., 21 Apr. 0.0490 0.0417 0.0452
03:01-04:00, Sun., 21 Apr. 0.0453 0.0413 0.0431
02:01-03:00, Sun., 21 Apr. 0.0477 0.0413 0.0446
01:01-02:00, Sun., 21 Apr. 0.0487 0.0423 0.0452
00:01-01:00, Sun., 21 Apr. 0.0478 0.0416 0.0450
23:01-24:00, Sat., 20 Apr. 0.0461 0.0410 0.0440
22:01-23:00, Sat., 20 Apr. 0.0482 0.0426 0.0455
21:01-22:00, Sat., 20 Apr. 0.0483 0.0412 0.0452
20:01-21:00, Sat., 20 Apr. 0.0488 0.0424 0.0451
19:01-20:00, Sat., 20 Apr. 0.0499 0.0439 0.0467
18:01-19:00, Sat., 20 Apr. 0.0512 0.0450 0.0480
17:01-18:00, Sat., 20 Apr. 0.0487 0.0434 0.0461
16:01-17:00, Sat., 20 Apr. 0.0467 0.0415 0.0440
15:01-16:00, Sat., 20 Apr. 0.0458 0.0405 0.0431
14:01-15:00, Sat., 20 Apr. 0.0455 0.0396 0.0424
13:01-14:00, Sat., 20 Apr. 0.0452 0.0398 0.0420
12:01-13:00, Sat., 20 Apr. 0.0443 0.0396 0.0420
11:01-12:00, Sat., 20 Apr. 0.0450 0.0397 0.0420
10:01-11:00, Sat., 20 Apr. 0.0452 0.0394 0.0423
09:01-10:00, Sat., 20 Apr. 0.0444 0.0394 0.0421
08:01-09:00, Sat., 20 Apr. 0.0448 0.0392 0.0417
07:01-08:00, Sat., 20 Apr. 0.0448 0.0393 0.0420
06:01-07:00, Sat., 20 Apr. 0.0448 0.0396 0.0419
05:01-06:00, Sat., 20 Apr. 0.0446 0.0392 0.0419
04:01-05:00, Sat., 20 Apr. 0.0453 0.0395 0.0421
03:01-04:00, Sat., 20 Apr. 0.0440 0.0399 0.0419
02:01-03:00, Sat., 20 Apr. 0.0445 0.0395 0.0420
01:01-02:00, Sat., 20 Apr. 0.0446 0.0389 0.0418
00:01-01:00, Sat., 20 Apr. 0.0451 0.0392 0.0417
23:01-24:00, Fri., 19 Apr. 0.0442 0.0401 0.0419
22:01-23:00, Fri., 19 Apr. 0.0450 0.0390 0.0418
21:01-22:00, Fri., 19 Apr. 0.0438 0.0397 0.0419
20:01-21:00, Fri., 19 Apr. 0.0447 0.0397 0.0420
19:01-20:00, Fri., 19 Apr. 0.0443 0.0386 0.0420
18:01-19:00, Fri., 19 Apr. 0.0440 0.0390 0.0419
17:01-18:00, Fri., 19 Apr. 0.0444 0.0392 0.0418
16:01-17:00, Fri., 19 Apr. 0.0449 0.0394 0.0418
15:01-16:00, Fri., 19 Apr. 0.0447 0.0396 0.0422
14:01-15:00, Fri., 19 Apr. 0.0446 0.0399 0.0420
13:01-14:00, Fri., 19 Apr. 0.0454 0.0390 0.0417
12:01-13:00, Fri., 19 Apr. 0.0440 0.0399 0.0418
11:01-12:00, Fri., 19 Apr. 0.0442 0.0402 0.0421
10:01-11:00, Fri., 19 Apr. 0.0452 0.0387 0.0419
09:01-10:00, Fri., 19 Apr. 0.0446 0.0394 0.0420
08:01-09:00, Fri., 19 Apr. 0.0447 0.0403 0.0422
07:01-08:00, Fri., 19 Apr. 0.0444 0.0392 0.0421
06:01-07:00, Fri., 19 Apr. 0.0445 0.0383 0.0418
05:01-06:00, Fri., 19 Apr. 0.0442 0.0403 0.0424
04:01-05:00, Fri., 19 Apr. 0.0460 0.0403 0.0421
03:01-04:00, Fri., 19 Apr. 0.0443 0.0398 0.0420
02:01-03:00, Fri., 19 Apr. 0.0455 0.0399 0.0417
01:01-02:00, Fri., 19 Apr. 0.0439 0.0387 0.0415
00:01-01:00, Fri., 19 Apr. 0.0443 0.0389 0.0417
23:01-24:00, Thu., 18 Apr. 0.0442 0.0391 0.0419
22:01-23:00, Thu., 18 Apr. 0.0445 0.0393 0.0419
21:01-22:00, Thu., 18 Apr. 0.0445 0.0386 0.0415
20:01-21:00, Thu., 18 Apr. 0.0445 0.0395 0.0418
19:01-20:00, Thu., 18 Apr. 0.0456 0.0396 0.0418
18:01-19:00, Thu., 18 Apr. 0.0444 0.0398 0.0419
17:01-18:00, Thu., 18 Apr. 0.0441 0.0392 0.0416
16:01-17:00, Thu., 18 Apr. 0.0437 0.0388 0.0415
15:01-16:00, Thu., 18 Apr. 0.0444 0.0399 0.0417
14:01-15:00, Thu., 18 Apr. 0.0450 0.0396 0.0419
13:01-14:00, Thu., 18 Apr. 0.0443 0.0394 0.0417
12:01-13:00, Thu., 18 Apr. 0.0442 0.0392 0.0416
11:01-12:00, Thu., 18 Apr. 0.0444 0.0392 0.0416
10:01-11:00, Thu., 18 Apr. 0.0439 0.0387 0.0417
09:01-10:00, Thu., 18 Apr. 0.0446 0.0391 0.0416
08:01-09:00, Thu., 18 Apr. 0.0440 0.0390 0.0415
07:01-08:00, Thu., 18 Apr. 0.0449 0.0397 0.0419
06:01-07:00, Thu., 18 Apr. 0.0445 0.0391 0.0418
05:01-06:00, Thu., 18 Apr. 0.0446 0.0392 0.0418
04:01-05:00, Thu., 18 Apr. 0.0435 0.0393 0.0417
03:01-04:00, Thu., 18 Apr. 0.0439 0.0381 0.0418
02:01-03:00, Thu., 18 Apr. 0.0440 0.0399 0.0417
01:01-02:00, Thu., 18 Apr. 0.0439 0.0395 0.0418
00:01-01:00, Thu., 18 Apr. 0.0447 0.0389 0.0417
23:01-24:00, Wed., 17 Apr. 0.0447 0.0400 0.0419
22:01-23:00, Wed., 17 Apr. 0.0446 0.0388 0.0415
21:01-22:00, Wed., 17 Apr. 0.0438 0.0401 0.0418
20:01-21:00, Wed., 17 Apr. 0.0437 0.0397 0.0417
19:01-20:00, Wed., 17 Apr. 0.0443 0.0395 0.0416
18:01-19:00, Wed., 17 Apr. 0.0455 0.0394 0.0416
17:01-18:00, Wed., 17 Apr. 0.0451 0.0386 0.0417
16:01-17:00, Wed., 17 Apr. 0.0449 0.0391 0.0417
15:01-16:00, Wed., 17 Apr. 0.0443 0.0389 0.0418
14:01-15:00, Wed., 17 Apr. 0.0438 0.0396 0.0419
13:01-14:00, Wed., 17 Apr. 0.0445 0.0390 0.0418
12:01-13:00, Wed., 17 Apr. 0.0443 0.0394 0.0418
11:01-12:00, Wed., 17 Apr. 0.0454 0.0393 0.0419
10:01-11:00, Wed., 17 Apr. 0.0440 0.0393 0.0415
09:01-10:00, Wed., 17 Apr. 0.0444 0.0385 0.0418
08:01-09:00, Wed., 17 Apr. 0.0455 0.0397 0.0417
07:01-08:00, Wed., 17 Apr. 0.0444 0.0386 0.0416
06:01-07:00, Wed., 17 Apr. 0.0445 0.0393 0.0418
05:01-06:00, Wed., 17 Apr. 0.0449 0.0391 0.0417
04:01-05:00, Wed., 17 Apr. 0.0435 0.0397 0.0418
03:01-04:00, Wed., 17 Apr. 0.0455 0.0396 0.0417
02:01-03:00, Wed., 17 Apr. 0.0441 0.0388 0.0420
01:01-02:00, Wed., 17 Apr. 0.0446 0.0396 0.0417
00:01-01:00, Wed., 17 Apr. 0.0445 0.0396 0.0419
23:01-24:00, Tue., 16 Apr. 0.0441 0.0394 0.0419
22:01-23:00, Tue., 16 Apr. 0.0439 0.0391 0.0419
21:01-22:00, Tue., 16 Apr. 0.0449 0.0395 0.0419
20:01-21:00, Tue., 16 Apr. 0.0442 0.0386 0.0418
19:01-20:00, Tue., 16 Apr. 0.0440 0.0396 0.0417
18:01-19:00, Tue., 16 Apr. 0.0445 0.0389 0.0415
17:01-18:00, Tue., 16 Apr. 0.0450 0.0399 0.0418
16:01-17:00, Tue., 16 Apr. 0.0438 0.0387 0.0417
15:01-16:00, Tue., 16 Apr. 0.0455 0.0389 0.0416
14:01-15:00, Tue., 16 Apr. 0.0444 0.0391 0.0414
13:01-14:00, Tue., 16 Apr. 0.0450 0.0392 0.0418
12:01-13:00, Tue., 16 Apr. 0.0442 0.0388 0.0416
11:01-12:00, Tue., 16 Apr. 0.0441 0.0376 0.0414
10:01-11:00, Tue., 16 Apr. 0.0441 0.0399 0.0418
09:01-10:00, Tue., 16 Apr. 0.0457 0.0398 0.0418
08:01-09:00, Tue., 16 Apr. 0.0449 0.0399 0.0420
07:01-08:00, Tue., 16 Apr. 0.0440 0.0397 0.0420
06:01-07:00, Tue., 16 Apr. 0.0451 0.0399 0.0420
05:01-06:00, Tue., 16 Apr. 0.0452 0.0398 0.0420
04:01-05:00, Tue., 16 Apr. 0.0456 0.0394 0.0419
03:01-04:00, Tue., 16 Apr. 0.0448 0.0392 0.0420
02:01-03:00, Tue., 16 Apr. 0.0438 0.0389 0.0417
01:01-02:00, Tue., 16 Apr. 0.0451 0.0392 0.0419
00:01-01:00, Tue., 16 Apr. 0.0438 0.0389 0.0416
23:01-24:00, Mon., 15 Apr. 0.0449 0.0396 0.0422
22:01-23:00, Mon., 15 Apr. 0.0459 0.0391 0.0420
21:01-22:00, Mon., 15 Apr. 0.0446 0.0394 0.0420
20:01-21:00, Mon., 15 Apr. 0.0450 0.0395 0.0420
19:01-20:00, Mon., 15 Apr. 0.0449 0.0385 0.0417
18:01-19:00, Mon., 15 Apr. 0.0446 0.0396 0.0416
17:01-18:00, Mon., 15 Apr. 0.0447 0.0396 0.0418
16:01-17:00, Mon., 15 Apr. 0.0440 0.0390 0.0417
15:01-16:00, Mon., 15 Apr. 0.0451 0.0397 0.0420
14:01-15:00, Mon., 15 Apr. 0.0443 0.0388 0.0417
13:01-14:00, Mon., 15 Apr. 0.0440 0.0393 0.0418
12:01-13:00, Mon., 15 Apr. 0.0448 0.0397 0.0419
11:01-12:00, Mon., 15 Apr. 0.0445 0.0385 0.0417
10:01-11:00, Mon., 15 Apr. 0.0436 0.0388 0.0416
09:01-10:00, Mon., 15 Apr. 0.0441 0.0386 0.0416
08:01-09:00, Mon., 15 Apr. 0.0450 0.0390 0.0418
07:01-08:00, Mon., 15 Apr. 0.0448 0.0390 0.0424
06:01-07:00, Mon., 15 Apr. 0.0445 0.0393 0.0421
05:01-06:00, Mon., 15 Apr. 0.0459 0.0398 0.0419
04:01-05:00, Mon., 15 Apr. 0.0447 0.0397 0.0420
03:01-04:00, Mon., 15 Apr. 0.0447 0.0395 0.0419
02:01-03:00, Mon., 15 Apr. 0.0450 0.0393 0.0419
01:01-02:00, Mon., 15 Apr. 0.0448 0.0391 0.0419
00:01-01:00, Mon., 15 Apr. 0.0440 0.0391 0.0417