Measurement results by the hour (Koto) 15 Feb., 2016 - 21 Feb., 2016

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
22:01-23:00, Sun., 21 Feb. 0.0411 0.0367 0.0391
21:01-22:00, Sun., 21 Feb. 0.0409 0.0363 0.0387
20:01-21:00, Sun., 21 Feb. 0.0410 0.0362 0.0387
19:01-20:00, Sun., 21 Feb. 0.0412 0.0362 0.0388
18:01-19:00, Sun., 21 Feb. 0.0416 0.0372 0.0389
17:01-18:00, Sun., 21 Feb. 0.0416 0.0370 0.0389
16:01-17:00, Sun., 21 Feb. 0.0414 0.0368 0.0387
15:01-16:00, Sun., 21 Feb. 0.0422 0.0366 0.0389
14:01-15:00, Sun., 21 Feb. 0.0405 0.0358 0.0387
13:01-14:00, Sun., 21 Feb. 0.0418 0.0367 0.0391
12:01-13:00, Sun., 21 Feb. 0.0418 0.0373 0.0389
11:01-12:00, Sun., 21 Feb. 0.0412 0.0360 0.0389
10:01-11:00, Sun., 21 Feb. 0.0419 0.0367 0.0392
09:01-10:00, Sun., 21 Feb. 0.0408 0.0361 0.0389
08:01-09:00, Sun., 21 Feb. 0.0410 0.0364 0.0387
07:01-08:00, Sun., 21 Feb. 0.0413 0.0365 0.0391
06:01-07:00, Sun., 21 Feb. 0.0416 0.0372 0.0391
05:01-06:00, Sun., 21 Feb. 0.0409 0.0364 0.0386
04:01-05:00, Sun., 21 Feb. 0.0418 0.0367 0.0389
03:01-04:00, Sun., 21 Feb. 0.0420 0.0356 0.0390
02:01-03:00, Sun., 21 Feb. 0.0413 0.0366 0.0388
01:01-02:00, Sun., 21 Feb. 0.0420 0.0368 0.0394
00:01-01:00, Sun., 21 Feb. 0.0426 0.0381 0.0406
22:01-23:00, Sat., 20 Feb. 0.0480 0.0420 0.0443
21:01-22:00, Sat., 20 Feb. 0.0474 0.0407 0.0436
20:01-21:00, Sat., 20 Feb. 0.0482 0.0403 0.0447
19:01-20:00, Sat., 20 Feb. 0.0492 0.0438 0.0459
18:01-19:00, Sat., 20 Feb. 0.0488 0.0420 0.0457
17:01-18:00, Sat., 20 Feb. 0.0475 0.0418 0.0447
16:01-17:00, Sat., 20 Feb. 0.0473 0.0410 0.0439
15:01-16:00, Sat., 20 Feb. 0.0458 0.0395 0.0429
14:01-15:00, Sat., 20 Feb. 0.0445 0.0393 0.0419
13:01-14:00, Sat., 20 Feb. 0.0435 0.0382 0.0410
12:01-13:00, Sat., 20 Feb. 0.0425 0.0381 0.0400
11:01-12:00, Sat., 20 Feb. 0.0426 0.0387 0.0406
10:01-11:00, Sat., 20 Feb. 0.0423 0.0375 0.0395
09:01-10:00, Sat., 20 Feb. 0.0418 0.0368 0.0392
08:01-09:00, Sat., 20 Feb. 0.0420 0.0372 0.0395
07:01-08:00, Sat., 20 Feb. 0.0417 0.0370 0.0393
06:01-07:00, Sat., 20 Feb. 0.0410 0.0374 0.0391
05:01-06:00, Sat., 20 Feb. 0.0417 0.0366 0.0393
04:01-05:00, Sat., 20 Feb. 0.0428 0.0374 0.0394
03:01-04:00, Sat., 20 Feb. 0.0415 0.0369 0.0393
02:01-03:00, Sat., 20 Feb. 0.0412 0.0369 0.0387
01:01-02:00, Sat., 20 Feb. 0.0422 0.0362 0.0390
00:01-01:00, Sat., 20 Feb. 0.0411 0.0366 0.0389
22:01-23:00, Fri., 19 Feb. 0.0419 0.0363 0.0393
21:01-22:00, Fri., 19 Feb. 0.0410 0.0362 0.0388
20:01-21:00, Fri., 19 Feb. 0.0420 0.0366 0.0389
19:01-20:00, Fri., 19 Feb. 0.0408 0.0369 0.0388
18:01-19:00, Fri., 19 Feb. 0.0410 0.0371 0.0389
17:01-18:00, Fri., 19 Feb. 0.0413 0.0366 0.0391
16:01-17:00, Fri., 19 Feb. 0.0415 0.0367 0.0389
15:01-16:00, Fri., 19 Feb. 0.0415 0.0366 0.0388
14:01-15:00, Fri., 19 Feb. 0.0420 0.0364 0.0390
13:01-14:00, Fri., 19 Feb. 0.0414 0.0372 0.0391
12:01-13:00, Fri., 19 Feb. 0.0410 0.0367 0.0389
11:01-12:00, Fri., 19 Feb. 0.0420 0.0365 0.0392
10:01-11:00, Fri., 19 Feb. 0.0414 0.0367 0.0390
09:01-10:00, Fri., 19 Feb. 0.0425 0.0355 0.0392
08:01-09:00, Fri., 19 Feb. 0.0417 0.0371 0.0393
07:01-08:00, Fri., 19 Feb. 0.0415 0.0372 0.0396
06:01-07:00, Fri., 19 Feb. 0.0411 0.0367 0.0392
05:01-06:00, Fri., 19 Feb. 0.0419 0.0365 0.0394
04:01-05:00, Fri., 19 Feb. 0.0414 0.0373 0.0394
03:01-04:00, Fri., 19 Feb. 0.0421 0.0367 0.0391
02:01-03:00, Fri., 19 Feb. 0.0417 0.0372 0.0393
01:01-02:00, Fri., 19 Feb. 0.0418 0.0364 0.0391
00:01-01:00, Fri., 19 Feb. 0.0418 0.0366 0.0392
22:01-23:00, Thu., 18 Feb. 0.0417 0.0371 0.0391
21:01-22:00, Thu., 18 Feb. 0.0413 0.0361 0.0391
20:01-21:00, Thu., 18 Feb. 0.0426 0.0368 0.0390
19:01-20:00, Thu., 18 Feb. 0.0415 0.0372 0.0391
18:01-19:00, Thu., 18 Feb. 0.0412 0.0368 0.0388
17:01-18:00, Thu., 18 Feb. 0.0412 0.0365 0.0392
16:01-17:00, Thu., 18 Feb. 0.0418 0.0359 0.0390
15:01-16:00, Thu., 18 Feb. 0.0412 0.0359 0.0388
14:01-15:00, Thu., 18 Feb. 0.0417 0.0368 0.0389
13:01-14:00, Thu., 18 Feb. 0.0434 0.0365 0.0391
12:01-13:00, Thu., 18 Feb. 0.0412 0.0371 0.0392
11:01-12:00, Thu., 18 Feb. 0.0430 0.0364 0.0390
10:01-11:00, Thu., 18 Feb. 0.0423 0.0368 0.0390
09:01-10:00, Thu., 18 Feb. 0.0413 0.0365 0.0390
08:01-09:00, Thu., 18 Feb. 0.0419 0.0362 0.0392
07:01-08:00, Thu., 18 Feb. 0.0413 0.0362 0.0391
06:01-07:00, Thu., 18 Feb. 0.0410 0.0365 0.0390
05:01-06:00, Thu., 18 Feb. 0.0419 0.0370 0.0392
04:01-05:00, Thu., 18 Feb. 0.0413 0.0370 0.0392
03:01-04:00, Thu., 18 Feb. 0.0423 0.0371 0.0393
02:01-03:00, Thu., 18 Feb. 0.0412 0.0372 0.0388
01:01-02:00, Thu., 18 Feb. 0.0430 0.0371 0.0393
00:01-01:00, Thu., 18 Feb. 0.0430 0.0363 0.0393
22:01-23:00, Wed., 17 Feb. 0.0417 0.0375 0.0394
21:01-22:00, Wed., 17 Feb. 0.0419 0.0368 0.0390
20:01-21:00, Wed., 17 Feb. 0.0412 0.0369 0.0391
19:01-20:00, Wed., 17 Feb. 0.0413 0.0372 0.0390
18:01-19:00, Wed., 17 Feb. 0.0438 0.0368 0.0393
17:01-18:00, Wed., 17 Feb. 0.0420 0.0369 0.0394
16:01-17:00, Wed., 17 Feb. 0.0425 0.0372 0.0394
15:01-16:00, Wed., 17 Feb. 0.0414 0.0369 0.0392
14:01-15:00, Wed., 17 Feb. 0.0417 0.0365 0.0394
13:01-14:00, Wed., 17 Feb. 0.0426 0.0367 0.0393
12:01-13:00, Wed., 17 Feb. 0.0410 0.0369 0.0389
11:01-12:00, Wed., 17 Feb. 0.0412 0.0363 0.0390
10:01-11:00, Wed., 17 Feb. 0.0403 0.0364 0.0387
09:01-10:00, Wed., 17 Feb. 0.0413 0.0372 0.0391
08:01-09:00, Wed., 17 Feb. 0.0413 0.0373 0.0391
07:01-08:00, Wed., 17 Feb. 0.0418 0.0369 0.0394
06:01-07:00, Wed., 17 Feb. 0.0437 0.0374 0.0396
05:01-06:00, Wed., 17 Feb. 0.0417 0.0374 0.0394
04:01-05:00, Wed., 17 Feb. 0.0408 0.0370 0.0393
03:01-04:00, Wed., 17 Feb. 0.0416 0.0368 0.0396
02:01-03:00, Wed., 17 Feb. 0.0419 0.0371 0.0392
01:01-02:00, Wed., 17 Feb. 0.0413 0.0365 0.0391
00:01-01:00, Wed., 17 Feb. 0.0409 0.0368 0.0390
22:01-23:00, Tue., 16 Feb. 0.0412 0.0370 0.0390
21:01-22:00, Tue., 16 Feb. 0.0410 0.0365 0.0388
20:01-21:00, Tue., 16 Feb. 0.0417 0.0374 0.0392
19:01-20:00, Tue., 16 Feb. 0.0412 0.0369 0.0391
18:01-19:00, Tue., 16 Feb. 0.0416 0.0366 0.0391
17:01-18:00, Tue., 16 Feb. 0.0411 0.0366 0.0391
16:01-17:00, Tue., 16 Feb. 0.0415 0.0371 0.0391
15:01-16:00, Tue., 16 Feb. 0.0409 0.0364 0.0391
14:01-15:00, Tue., 16 Feb. 0.0425 0.0365 0.0391
13:01-14:00, Tue., 16 Feb. 0.0418 0.0374 0.0393
12:01-13:00, Tue., 16 Feb. 0.0411 0.0363 0.0386
11:01-12:00, Tue., 16 Feb. 0.0416 0.0367 0.0391
10:01-11:00, Tue., 16 Feb. 0.0425 0.0366 0.0390
09:01-10:00, Tue., 16 Feb. 0.0425 0.0368 0.0390
08:01-09:00, Tue., 16 Feb. 0.0415 0.0357 0.0390
07:01-08:00, Tue., 16 Feb. 0.0421 0.0368 0.0391
06:01-07:00, Tue., 16 Feb. 0.0412 0.0371 0.0393
05:01-06:00, Tue., 16 Feb. 0.0409 0.0372 0.0389
04:01-05:00, Tue., 16 Feb. 0.0413 0.0356 0.0389
03:01-04:00, Tue., 16 Feb. 0.0415 0.0357 0.0391
02:01-03:00, Tue., 16 Feb. 0.0418 0.0350 0.0392
01:01-02:00, Tue., 16 Feb. 0.0420 0.0379 0.0394
00:01-01:00, Tue., 16 Feb. 0.0423 0.0371 0.0394
22:01-23:00, Mon., 15 Feb. 0.0419 0.0360 0.0395
21:01-22:00, Mon., 15 Feb. 0.0416 0.0373 0.0398
20:01-21:00, Mon., 15 Feb. 0.0439 0.0375 0.0411
19:01-20:00, Mon., 15 Feb. 0.0451 0.0392 0.0420
18:01-19:00, Mon., 15 Feb. 0.0471 0.0404 0.0430
17:01-18:00, Mon., 15 Feb. 0.0466 0.0415 0.0435
16:01-17:00, Mon., 15 Feb. 0.0476 0.0418 0.0447
15:01-16:00, Mon., 15 Feb. 0.0498 0.0432 0.0465
14:01-15:00, Mon., 15 Feb. 0.0471 0.0387 0.0426
13:01-14:00, Mon., 15 Feb. 0.0457 0.0399 0.0424
12:01-13:00, Mon., 15 Feb. 0.0506 0.0435 0.0469
11:01-12:00, Mon., 15 Feb. 0.0515 0.0387 0.0447
10:01-11:00, Mon., 15 Feb. 0.0425 0.0368 0.0392
09:01-10:00, Mon., 15 Feb. 0.0418 0.0373 0.0394
08:01-09:00, Mon., 15 Feb. 0.0419 0.0371 0.0395
07:01-08:00, Mon., 15 Feb. 0.0420 0.0366 0.0396
06:01-07:00, Mon., 15 Feb. 0.0414 0.0373 0.0393
05:01-06:00, Mon., 15 Feb. 0.0418 0.0371 0.0393
04:01-05:00, Mon., 15 Feb. 0.0414 0.0377 0.0396
03:01-04:00, Mon., 15 Feb. 0.0414 0.0375 0.0395
02:01-03:00, Mon., 15 Feb. 0.0419 0.0365 0.0393
01:01-02:00, Mon., 15 Feb. 0.0417 0.0371 0.0392
00:01-01:00, Mon., 15 Feb. 0.0424 0.0368 0.0392