Measurement results by the hour (Koto) 11 Feb., 2013 - 17 Feb., 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., 17 Feb. 0.0449 0.0393 0.0419
22:01-23:00, Sun., 17 Feb. 0.0450 0.0389 0.0418
21:01-22:00, Sun., 17 Feb. 0.0443 0.0399 0.0420
20:01-21:00, Sun., 17 Feb. 0.0433 0.0387 0.0417
19:01-20:00, Sun., 17 Feb. 0.0455 0.0393 0.0420
18:01-19:00, Sun., 17 Feb. 0.0448 0.0392 0.0417
17:01-18:00, Sun., 17 Feb. 0.0454 0.0394 0.0420
16:01-17:00, Sun., 17 Feb. 0.0444 0.0398 0.0418
15:01-16:00, Sun., 17 Feb. 0.0446 0.0394 0.0418
14:01-15:00, Sun., 17 Feb. 0.0437 0.0389 0.0418
13:01-14:00, Sun., 17 Feb. 0.0448 0.0398 0.0416
12:01-13:00, Sun., 17 Feb. 0.0441 0.0391 0.0417
11:01-12:00, Sun., 17 Feb. 0.0446 0.0396 0.0418
10:01-11:00, Sun., 17 Feb. 0.0436 0.0394 0.0414
09:01-10:00, Sun., 17 Feb. 0.177 0.0397 0.0471
08:01-09:00, Sun., 17 Feb. 0.0447 0.0389 0.0419
07:01-08:00, Sun., 17 Feb. 0.0446 0.0383 0.0417
06:01-07:00, Sun., 17 Feb. 0.0457 0.0397 0.0423
05:01-06:00, Sun., 17 Feb. 0.0452 0.0400 0.0421
04:01-05:00, Sun., 17 Feb. 0.0445 0.0394 0.0419
03:01-04:00, Sun., 17 Feb. 0.0441 0.0392 0.0418
02:01-03:00, Sun., 17 Feb. 0.0453 0.0393 0.0420
01:01-02:00, Sun., 17 Feb. 0.0441 0.0396 0.0419
00:01-01:00, Sun., 17 Feb. 0.0446 0.0397 0.0420
23:01-24:00, Sat., 16 Feb. 0.0443 0.0398 0.0421
22:01-23:00, Sat., 16 Feb. 0.0441 0.0383 0.0420
21:01-22:00, Sat., 16 Feb. 0.0452 0.0398 0.0423
20:01-21:00, Sat., 16 Feb. 0.0448 0.0399 0.0422
19:01-20:00, Sat., 16 Feb. 0.0459 0.0393 0.0422
18:01-19:00, Sat., 16 Feb. 0.0450 0.0394 0.0420
17:01-18:00, Sat., 16 Feb. 0.0446 0.0387 0.0420
16:01-17:00, Sat., 16 Feb. 0.0436 0.0398 0.0419
15:01-16:00, Sat., 16 Feb. 0.0444 0.0393 0.0417
14:01-15:00, Sat., 16 Feb. 0.0444 0.0393 0.0417
13:01-14:00, Sat., 16 Feb. 0.0454 0.0385 0.0418
12:01-13:00, Sat., 16 Feb. 0.0444 0.0394 0.0419
11:01-12:00, Sat., 16 Feb. 0.0448 0.0390 0.0418
10:01-11:00, Sat., 16 Feb. 0.0439 0.0386 0.0417
09:01-10:00, Sat., 16 Feb. 0.0449 0.0386 0.0419
08:01-09:00, Sat., 16 Feb. 0.0449 0.0398 0.0419
07:01-08:00, Sat., 16 Feb. 0.0440 0.0396 0.0418
06:01-07:00, Sat., 16 Feb. 0.0452 0.0391 0.0420
05:01-06:00, Sat., 16 Feb. 0.0439 0.0390 0.0418
04:01-05:00, Sat., 16 Feb. 0.0448 0.0395 0.0421
03:01-04:00, Sat., 16 Feb. 0.0452 0.0400 0.0420
02:01-03:00, Sat., 16 Feb. 0.0447 0.0393 0.0422
01:01-02:00, Sat., 16 Feb. 0.0439 0.0391 0.0419
00:01-01:00, Sat., 16 Feb. 0.0452 0.0395 0.0419
23:01-24:00, Fri., 15 Feb. 0.0441 0.0386 0.0418
22:01-23:00, Fri., 15 Feb. 0.0442 0.0397 0.0417
21:01-22:00, Fri., 15 Feb. 0.0442 0.0391 0.0416
20:01-21:00, Fri., 15 Feb. 0.0444 0.0384 0.0418
19:01-20:00, Fri., 15 Feb. 0.0452 0.0392 0.0421
18:01-19:00, Fri., 15 Feb. 0.0456 0.0401 0.0432
17:01-18:00, Fri., 15 Feb. 0.0469 0.0407 0.0439
16:01-17:00, Fri., 15 Feb. 0.0488 0.0433 0.0455
15:01-16:00, Fri., 15 Feb. 0.0502 0.0442 0.0473
14:01-15:00, Fri., 15 Feb. 0.0497 0.0435 0.0457
13:01-14:00, Fri., 15 Feb. 0.0484 0.0420 0.0450
12:01-13:00, Fri., 15 Feb. 0.0464 0.0408 0.0435
11:01-12:00, Fri., 15 Feb. 0.0452 0.0399 0.0427
10:01-11:00, Fri., 15 Feb. 0.0457 0.0396 0.0422
09:01-10:00, Fri., 15 Feb. 0.0451 0.0392 0.0422
08:01-09:00, Fri., 15 Feb. 0.0446 0.0395 0.0419
07:01-08:00, Fri., 15 Feb. 0.0448 0.0401 0.0422
06:01-07:00, Fri., 15 Feb. 0.0444 0.0385 0.0419
05:01-06:00, Fri., 15 Feb. 0.0439 0.0389 0.0416
04:01-05:00, Fri., 15 Feb. 0.0443 0.0397 0.0420
03:01-04:00, Fri., 15 Feb. 0.0448 0.0383 0.0420
02:01-03:00, Fri., 15 Feb. 0.0437 0.0390 0.0418
01:01-02:00, Fri., 15 Feb. 0.0452 0.0396 0.0418
00:01-01:00, Fri., 15 Feb. 0.0446 0.0395 0.0418
23:01-24:00, Thu., 14 Feb. 0.0440 0.0396 0.0417
22:01-23:00, Thu., 14 Feb. 0.0446 0.0396 0.0417
21:01-22:00, Thu., 14 Feb. 0.0449 0.0392 0.0418
20:01-21:00, Thu., 14 Feb. 0.0444 0.0392 0.0419
19:01-20:00, Thu., 14 Feb. 0.0443 0.0394 0.0417
18:01-19:00, Thu., 14 Feb. 0.0437 0.0393 0.0417
17:01-18:00, Thu., 14 Feb. 0.0443 0.0386 0.0413
16:01-17:00, Thu., 14 Feb. 0.0449 0.0393 0.0417
15:01-16:00, Thu., 14 Feb. 0.0434 0.0390 0.0412
14:01-15:00, Thu., 14 Feb. 0.0443 0.0388 0.0416
13:01-14:00, Thu., 14 Feb. 0.0458 0.0394 0.0419
12:01-13:00, Thu., 14 Feb. 0.0446 0.0395 0.0419
11:01-12:00, Thu., 14 Feb. 0.0441 0.0390 0.0418
10:01-11:00, Thu., 14 Feb. 0.0437 0.0384 0.0417
09:01-10:00, Thu., 14 Feb. 0.0449 0.0384 0.0414
08:01-09:00, Thu., 14 Feb. 0.0439 0.0389 0.0415
07:01-08:00, Thu., 14 Feb. 0.0437 0.0393 0.0415
06:01-07:00, Thu., 14 Feb. 0.0437 0.0388 0.0415
05:01-06:00, Thu., 14 Feb. 0.0444 0.0385 0.0416
04:01-05:00, Thu., 14 Feb. 0.0440 0.0393 0.0416
03:01-04:00, Thu., 14 Feb. 0.0443 0.0395 0.0417
02:01-03:00, Thu., 14 Feb. 0.0448 0.0383 0.0415
01:01-02:00, Thu., 14 Feb. 0.0439 0.0392 0.0416
00:01-01:00, Thu., 14 Feb. 0.0443 0.0388 0.0416
23:01-24:00, Wed., 13 Feb. 0.0445 0.0393 0.0414
22:01-23:00, Wed., 13 Feb. 0.0440 0.0388 0.0415
21:01-22:00, Wed., 13 Feb. 0.0439 0.0387 0.0411
20:01-21:00, Wed., 13 Feb. 0.0442 0.0388 0.0416
19:01-20:00, Wed., 13 Feb. 0.0453 0.0390 0.0415
18:01-19:00, Wed., 13 Feb. 0.0462 0.0393 0.0418
17:01-18:00, Wed., 13 Feb. 0.0443 0.0394 0.0419
16:01-17:00, Wed., 13 Feb. 0.0441 0.0391 0.0417
15:01-16:00, Wed., 13 Feb. 0.0434 0.0394 0.0415
14:01-15:00, Wed., 13 Feb. 0.0444 0.0392 0.0417
13:01-14:00, Wed., 13 Feb. 0.0445 0.0393 0.0417
12:01-13:00, Wed., 13 Feb. 0.0439 0.0397 0.0416
11:01-12:00, Wed., 13 Feb. 0.0437 0.0392 0.0417
10:01-11:00, Wed., 13 Feb. 0.0441 0.0398 0.0416
09:01-10:00, Wed., 13 Feb. 0.0451 0.0395 0.0417
08:01-09:00, Wed., 13 Feb. 0.0450 0.0385 0.0419
07:01-08:00, Wed., 13 Feb. 0.0450 0.0398 0.0430
06:01-07:00, Wed., 13 Feb. 0.0494 0.0429 0.0460
05:01-06:00, Wed., 13 Feb. 0.0527 0.0462 0.0489
04:01-05:00, Wed., 13 Feb. 0.0528 0.0467 0.0501
03:01-04:00, Wed., 13 Feb. 0.0525 0.0462 0.0500
02:01-03:00, Wed., 13 Feb. 0.0509 0.0437 0.0470
01:01-02:00, Wed., 13 Feb. 0.0464 0.0411 0.0435
00:01-01:00, Wed., 13 Feb. 0.0444 0.0397 0.0423
23:01-24:00, Tue., 12 Feb. 0.0447 0.0395 0.0417
22:01-23:00, Tue., 12 Feb. 0.0454 0.0395 0.0418
21:01-22:00, Tue., 12 Feb. 0.0439 0.0397 0.0421
20:01-21:00, Tue., 12 Feb. 0.0445 0.0395 0.0421
19:01-20:00, Tue., 12 Feb. 0.0450 0.0397 0.0418
18:01-19:00, Tue., 12 Feb. 0.0445 0.0397 0.0419
17:01-18:00, Tue., 12 Feb. 0.0453 0.0386 0.0418
16:01-17:00, Tue., 12 Feb. 0.0453 0.0398 0.0421
15:01-16:00, Tue., 12 Feb. 0.0441 0.0399 0.0420
14:01-15:00, Tue., 12 Feb. 0.0447 0.0394 0.0422
13:01-14:00, Tue., 12 Feb. 0.0450 0.0393 0.0419
12:01-13:00, Tue., 12 Feb. 0.0443 0.0395 0.0422
11:01-12:00, Tue., 12 Feb. 0.0441 0.0381 0.0419
10:01-11:00, Tue., 12 Feb. 0.0442 0.0392 0.0418
09:01-10:00, Tue., 12 Feb. 0.0441 0.0387 0.0418
08:01-09:00, Tue., 12 Feb. 0.0446 0.0393 0.0421
07:01-08:00, Tue., 12 Feb. 0.0459 0.0394 0.0423
06:01-07:00, Tue., 12 Feb. 0.0451 0.0392 0.0419
05:01-06:00, Tue., 12 Feb. 0.0444 0.0393 0.0418
04:01-05:00, Tue., 12 Feb. 0.0444 0.0386 0.0418
03:01-04:00, Tue., 12 Feb. 0.0451 0.0397 0.0423
02:01-03:00, Tue., 12 Feb. 0.0455 0.0401 0.0422
01:01-02:00, Tue., 12 Feb. 0.0442 0.0392 0.0421
00:01-01:00, Tue., 12 Feb. 0.0448 0.0402 0.0423
23:01-24:00, Mon., 11 Feb. 0.0458 0.0405 0.0425
22:01-23:00, Mon., 11 Feb. 0.0446 0.0398 0.0422
21:01-22:00, Mon., 11 Feb. 0.0444 0.0401 0.0422
20:01-21:00, Mon., 11 Feb. 0.0454 0.0404 0.0426
19:01-20:00, Mon., 11 Feb. 0.0451 0.0396 0.0424
18:01-19:00, Mon., 11 Feb. 0.0449 0.0405 0.0425
17:01-18:00, Mon., 11 Feb. 0.0447 0.0393 0.0424
16:01-17:00, Mon., 11 Feb. 0.0456 0.0397 0.0426
15:01-16:00, Mon., 11 Feb. 0.0445 0.0392 0.0421
14:01-15:00, Mon., 11 Feb. 0.0449 0.0397 0.0424
13:01-14:00, Mon., 11 Feb. 0.0454 0.0395 0.0422
12:01-13:00, Mon., 11 Feb. 0.0457 0.0398 0.0420
11:01-12:00, Mon., 11 Feb. 0.0445 0.0396 0.0422
10:01-11:00, Mon., 11 Feb. 0.0445 0.0398 0.0421
09:01-10:00, Mon., 11 Feb. 0.0453 0.0403 0.0425
08:01-09:00, Mon., 11 Feb. 0.0467 0.0401 0.0424
07:01-08:00, Mon., 11 Feb. 0.0451 0.0405 0.0426
06:01-07:00, Mon., 11 Feb. 0.0453 0.0401 0.0424
05:01-06:00, Mon., 11 Feb. 0.0449 0.0396 0.0424
04:01-05:00, Mon., 11 Feb. 0.0455 0.0404 0.0426
03:01-04:00, Mon., 11 Feb. 0.0447 0.0401 0.0425
02:01-03:00, Mon., 11 Feb. 0.0447 0.0399 0.0426
01:01-02:00, Mon., 11 Feb. 0.0452 0.0394 0.0424
00:01-01:00, Mon., 11 Feb. 0.0448 0.0396 0.0422