Measurement results by the hour (Koto) 23 Feb., 2015 - 1 Mar., 2015

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., 01 Mar. 0.0407 0.0355 0.0383
22:01-23:00, Sun., 01 Mar. 0.0457 0.0377 0.0413
21:01-22:00, Sun., 01 Mar. 0.0487 0.0415 0.0450
20:01-21:00, Sun., 01 Mar. 0.0514 0.0442 0.0472
19:01-20:00, Sun., 01 Mar. 0.0522 0.0447 0.0487
18:01-19:00, Sun., 01 Mar. 0.0525 0.0440 0.0490
17:01-18:00, Sun., 01 Mar. 0.0498 0.0432 0.0461
16:01-17:00, Sun., 01 Mar. 0.0464 0.0411 0.0434
15:01-16:00, Sun., 01 Mar. 0.0460 0.0407 0.0435
14:01-15:00, Sun., 01 Mar. 0.0458 0.0407 0.0428
13:01-14:00, Sun., 01 Mar. 0.0449 0.0385 0.0411
12:01-13:00, Sun., 01 Mar. 0.0425 0.0366 0.0391
11:01-12:00, Sun., 01 Mar. 0.0398 0.0355 0.0376
10:01-11:00, Sun., 01 Mar. 0.0393 0.0347 0.0371
09:01-10:00, Sun., 01 Mar. 0.0390 0.0355 0.0372
08:01-09:00, Sun., 01 Mar. 0.0397 0.0347 0.0372
07:01-08:00, Sun., 01 Mar. 0.0394 0.0342 0.0373
06:01-07:00, Sun., 01 Mar. 0.0393 0.0351 0.0370
05:01-06:00, Sun., 01 Mar. 0.0391 0.0344 0.0370
04:01-05:00, Sun., 01 Mar. 0.0391 0.0351 0.0368
03:01-04:00, Sun., 01 Mar. 0.0396 0.0351 0.0369
02:01-03:00, Sun., 01 Mar. 0.0394 0.0348 0.0369
01:01-02:00, Sun., 01 Mar. 0.0389 0.0343 0.0368
00:01-01:00, Sun., 01 Mar. 0.0389 0.0352 0.0367
23:01-24:00, Sat., 28 Feb. 0.0387 0.0342 0.0367
22:01-23:00, Sat., 28 Feb. 0.0386 0.0347 0.0367
21:01-22:00, Sat., 28 Feb. 0.0384 0.0350 0.0369
20:01-21:00, Sat., 28 Feb. 0.0391 0.0353 0.0371
19:01-20:00, Sat., 28 Feb. 0.0389 0.0348 0.0369
18:01-19:00, Sat., 28 Feb. 0.0388 0.0344 0.0368
17:01-18:00, Sat., 28 Feb. 0.0387 0.0345 0.0367
16:01-17:00, Sat., 28 Feb. 0.0390 0.0340 0.0368
15:01-16:00, Sat., 28 Feb. 0.0395 0.0348 0.0368
14:01-15:00, Sat., 28 Feb. 0.0387 0.0351 0.0369
13:01-14:00, Sat., 28 Feb. 0.0391 0.0349 0.0368
12:01-13:00, Sat., 28 Feb. 0.0387 0.0343 0.0368
11:01-12:00, Sat., 28 Feb. 0.0402 0.0348 0.0370
10:01-11:00, Sat., 28 Feb. 0.0393 0.0347 0.0371
09:01-10:00, Sat., 28 Feb. 0.0394 0.0345 0.0369
08:01-09:00, Sat., 28 Feb. 0.0398 0.0345 0.0368
07:01-08:00, Sat., 28 Feb. 0.0388 0.0344 0.0370
06:01-07:00, Sat., 28 Feb. 0.0399 0.0341 0.0372
05:01-06:00, Sat., 28 Feb. 0.0392 0.0353 0.0372
04:01-05:00, Sat., 28 Feb. 0.0392 0.0356 0.0370
03:01-04:00, Sat., 28 Feb. 0.0399 0.0350 0.0370
02:01-03:00, Sat., 28 Feb. 0.0399 0.0349 0.0370
01:01-02:00, Sat., 28 Feb. 0.0394 0.0342 0.0372
00:01-01:00, Sat., 28 Feb. 0.0398 0.0351 0.0377
23:01-24:00, Fri., 27 Feb. 0.0400 0.0352 0.0374
22:01-23:00, Fri., 27 Feb. 0.0398 0.0357 0.0374
21:01-22:00, Fri., 27 Feb. 0.0391 0.0352 0.0372
20:01-21:00, Fri., 27 Feb. 0.0401 0.0358 0.0378
19:01-20:00, Fri., 27 Feb. 0.0393 0.0357 0.0373
18:01-19:00, Fri., 27 Feb. 0.0393 0.0344 0.0371
17:01-18:00, Fri., 27 Feb. 0.0403 0.0352 0.0373
16:01-17:00, Fri., 27 Feb. 0.0397 0.0350 0.0372
15:01-16:00, Fri., 27 Feb. 0.0393 0.0350 0.0372
14:01-15:00, Fri., 27 Feb. 0.0398 0.0348 0.0370
13:01-14:00, Fri., 27 Feb. 0.0386 0.0343 0.0367
12:01-13:00, Fri., 27 Feb. 0.0400 0.0347 0.0369
11:01-12:00, Fri., 27 Feb. 0.0389 0.0347 0.0370
10:01-11:00, Fri., 27 Feb. 0.0393 0.0343 0.0371
09:01-10:00, Fri., 27 Feb. 0.0390 0.0349 0.0370
08:01-09:00, Fri., 27 Feb. 0.0399 0.0351 0.0374
07:01-08:00, Fri., 27 Feb. 0.0389 0.0356 0.0373
06:01-07:00, Fri., 27 Feb. 0.0397 0.0350 0.0373
05:01-06:00, Fri., 27 Feb. 0.0392 0.0344 0.0369
04:01-05:00, Fri., 27 Feb. 0.0392 0.0352 0.0372
03:01-04:00, Fri., 27 Feb. 0.0389 0.0350 0.0370
02:01-03:00, Fri., 27 Feb. 0.0398 0.0353 0.0369
01:01-02:00, Fri., 27 Feb. 0.0396 0.0349 0.0371
00:01-01:00, Fri., 27 Feb. 0.0408 0.0351 0.0371
23:01-24:00, Thu., 26 Feb. 0.0404 0.0355 0.0374
22:01-23:00, Thu., 26 Feb. 0.0407 0.0353 0.0380
21:01-22:00, Thu., 26 Feb. 0.0445 0.0372 0.0407
20:01-21:00, Thu., 26 Feb. 0.0497 0.0421 0.0459
19:01-20:00, Thu., 26 Feb. 0.0480 0.0430 0.0456
18:01-19:00, Thu., 26 Feb. 0.0466 0.0413 0.0438
17:01-18:00, Thu., 26 Feb. 0.0501 0.0421 0.0459
16:01-17:00, Thu., 26 Feb. 0.0499 0.0436 0.0465
15:01-16:00, Thu., 26 Feb. 0.0481 0.0428 0.0456
14:01-15:00, Thu., 26 Feb. 0.0468 0.0417 0.0440
13:01-14:00, Thu., 26 Feb. 0.0461 0.0411 0.0436
12:01-13:00, Thu., 26 Feb. 0.0464 0.0406 0.0431
11:01-12:00, Thu., 26 Feb. 0.0428 0.0369 0.0398
10:01-11:00, Thu., 26 Feb. 0.0410 0.0375 0.0395
09:01-10:00, Thu., 26 Feb. 0.0406 0.0361 0.0380
08:01-09:00, Thu., 26 Feb. 0.0403 0.0355 0.0379
07:01-08:00, Thu., 26 Feb. 0.0388 0.0353 0.0371
06:01-07:00, Thu., 26 Feb. 0.0390 0.0349 0.0372
05:01-06:00, Thu., 26 Feb. 0.0393 0.0341 0.0374
04:01-05:00, Thu., 26 Feb. 0.0396 0.0349 0.0372
03:01-04:00, Thu., 26 Feb. 0.0392 0.0344 0.0370
02:01-03:00, Thu., 26 Feb. 0.0391 0.0352 0.0372
01:01-02:00, Thu., 26 Feb. 0.0405 0.0345 0.0372
00:01-01:00, Thu., 26 Feb. 0.0394 0.0348 0.0371
23:01-24:00, Wed., 25 Feb. 0.0402 0.0354 0.0372
22:01-23:00, Wed., 25 Feb. 0.0389 0.0343 0.0371
21:01-22:00, Wed., 25 Feb. 0.0389 0.0352 0.0370
20:01-21:00, Wed., 25 Feb. 0.0389 0.0348 0.0371
19:01-20:00, Wed., 25 Feb. 0.0414 0.0342 0.0371
18:01-19:00, Wed., 25 Feb. 0.0387 0.0346 0.0367
17:01-18:00, Wed., 25 Feb. 0.0392 0.0352 0.0372
16:01-17:00, Wed., 25 Feb. 0.0394 0.0351 0.0369
15:01-16:00, Wed., 25 Feb. 0.0394 0.0345 0.0373
14:01-15:00, Wed., 25 Feb. 0.0397 0.0353 0.0372
13:01-14:00, Wed., 25 Feb. 0.0393 0.0346 0.0371
12:01-13:00, Wed., 25 Feb. 0.0399 0.0343 0.0371
11:01-12:00, Wed., 25 Feb. 0.0390 0.0344 0.0368
10:01-11:00, Wed., 25 Feb. 0.0390 0.0352 0.0369
09:01-10:00, Wed., 25 Feb. 0.0395 0.0355 0.0371
08:01-09:00, Wed., 25 Feb. 0.0401 0.0337 0.0372
07:01-08:00, Wed., 25 Feb. 0.0389 0.0344 0.0372
06:01-07:00, Wed., 25 Feb. 0.0394 0.0347 0.0369
05:01-06:00, Wed., 25 Feb. 0.0391 0.0350 0.0371
04:01-05:00, Wed., 25 Feb. 0.0394 0.0351 0.0372
03:01-04:00, Wed., 25 Feb. 0.0402 0.0352 0.0372
02:01-03:00, Wed., 25 Feb. 0.0395 0.0350 0.0371
01:01-02:00, Wed., 25 Feb. 0.0385 0.0340 0.0369
00:01-01:00, Wed., 25 Feb. 0.0394 0.0348 0.0369
23:01-24:00, Tue., 24 Feb. 0.0399 0.0342 0.0369
22:01-23:00, Tue., 24 Feb. 0.0393 0.0345 0.0369
21:01-22:00, Tue., 24 Feb. 0.0388 0.0333 0.0367
20:01-21:00, Tue., 24 Feb. 0.0394 0.0340 0.0368
19:01-20:00, Tue., 24 Feb. 0.0393 0.0353 0.0372
18:01-19:00, Tue., 24 Feb. 0.0383 0.0352 0.0369
17:01-18:00, Tue., 24 Feb. 0.0394 0.0337 0.0369
16:01-17:00, Tue., 24 Feb. 0.0393 0.0346 0.0370
15:01-16:00, Tue., 24 Feb. 0.0399 0.0343 0.0370
14:01-15:00, Tue., 24 Feb. 0.0384 0.0342 0.0370
13:01-14:00, Tue., 24 Feb. 0.0390 0.0345 0.0369
12:01-13:00, Tue., 24 Feb. 0.0396 0.0342 0.0365
11:01-12:00, Tue., 24 Feb. 0.0392 0.0343 0.0368
10:01-11:00, Tue., 24 Feb. 0.0393 0.0347 0.0369
09:01-10:00, Tue., 24 Feb. 0.0388 0.0339 0.0365
08:01-09:00, Tue., 24 Feb. 0.0389 0.0345 0.0368
07:01-08:00, Tue., 24 Feb. 0.0391 0.0342 0.0366
06:01-07:00, Tue., 24 Feb. 0.0387 0.0332 0.0366
05:01-06:00, Tue., 24 Feb. 0.0383 0.0352 0.0367
04:01-05:00, Tue., 24 Feb. 0.0387 0.0346 0.0367
03:01-04:00, Tue., 24 Feb. 0.0387 0.0347 0.0369
02:01-03:00, Tue., 24 Feb. 0.0394 0.0352 0.0370
01:01-02:00, Tue., 24 Feb. 0.0388 0.0349 0.0368
00:01-01:00, Tue., 24 Feb. 0.0392 0.0347 0.0368
23:01-24:00, Mon., 23 Feb. 0.0390 0.0340 0.0369
22:01-23:00, Mon., 23 Feb. 0.0403 0.0344 0.0372
21:01-22:00, Mon., 23 Feb. 0.0399 0.0351 0.0375
20:01-21:00, Mon., 23 Feb. 0.0417 0.0359 0.0390
19:01-20:00, Mon., 23 Feb. 0.0465 0.0391 0.0434
18:01-19:00, Mon., 23 Feb. 0.0464 0.0340 0.0399
17:01-18:00, Mon., 23 Feb. 0.0394 0.0344 0.0369
16:01-17:00, Mon., 23 Feb. 0.0391 0.0345 0.0372
15:01-16:00, Mon., 23 Feb. 0.0389 0.0348 0.0369
14:01-15:00, Mon., 23 Feb. 0.0397 0.0344 0.0368
13:01-14:00, Mon., 23 Feb. 0.0394 0.0349 0.0370
12:01-13:00, Mon., 23 Feb. 0.0392 0.0346 0.0369
11:01-12:00, Mon., 23 Feb. 0.0392 0.0339 0.0370
10:01-11:00, Mon., 23 Feb. 0.0398 0.0348 0.0370
09:01-10:00, Mon., 23 Feb. 0.0401 0.0351 0.0371
08:01-09:00, Mon., 23 Feb. 0.0398 0.0354 0.0376
07:01-08:00, Mon., 23 Feb. 0.0418 0.0353 0.0390
06:01-07:00, Mon., 23 Feb. 0.0481 0.0404 0.0436
05:01-06:00, Mon., 23 Feb. 0.0493 0.0435 0.0456
04:01-05:00, Mon., 23 Feb. 0.0449 0.0387 0.0410
03:01-04:00, Mon., 23 Feb. 0.0420 0.0356 0.0387
02:01-03:00, Mon., 23 Feb. 0.0394 0.0348 0.0372
01:01-02:00, Mon., 23 Feb. 0.0394 0.0350 0.0371
00:01-01:00, Mon., 23 Feb. 0.0407 0.0363 0.0385