Measurement results by the hour (Koto) 30 Mar., 2015 - 5 Apr., 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., 05 Apr. 0.0388 0.0350 0.0370
22:01-23:00, Sun., 05 Apr. 0.0393 0.0343 0.0367
21:01-22:00, Sun., 05 Apr. 0.0391 0.0347 0.0371
20:01-21:00, Sun., 05 Apr. 0.0402 0.0353 0.0375
19:01-20:00, Sun., 05 Apr. 0.0402 0.0355 0.0379
18:01-19:00, Sun., 05 Apr. 0.0413 0.0359 0.0386
17:01-18:00, Sun., 05 Apr. 0.0396 0.0361 0.0378
16:01-17:00, Sun., 05 Apr. 0.0431 0.0373 0.0394
15:01-16:00, Sun., 05 Apr. 0.0458 0.0396 0.0428
14:01-15:00, Sun., 05 Apr. 0.0451 0.0393 0.0421
13:01-14:00, Sun., 05 Apr. 0.0426 0.0372 0.0403
12:01-13:00, Sun., 05 Apr. 0.0446 0.0393 0.0414
11:01-12:00, Sun., 05 Apr. 0.0435 0.0375 0.0404
10:01-11:00, Sun., 05 Apr. 0.0410 0.0369 0.0388
09:01-10:00, Sun., 05 Apr. 0.0415 0.0360 0.0386
08:01-09:00, Sun., 05 Apr. 0.0413 0.0365 0.0387
07:01-08:00, Sun., 05 Apr. 0.0437 0.0369 0.0392
06:01-07:00, Sun., 05 Apr. 0.0416 0.0363 0.0392
05:01-06:00, Sun., 05 Apr. 0.0421 0.0375 0.0397
04:01-05:00, Sun., 05 Apr. 0.0398 0.0350 0.0371
03:01-04:00, Sun., 05 Apr. 0.0398 0.0350 0.0371
02:01-03:00, Sun., 05 Apr. 0.0399 0.0347 0.0370
01:01-02:00, Sun., 05 Apr. 0.0393 0.0349 0.0368
00:01-01:00, Sun., 05 Apr. 0.0389 0.0341 0.0370
23:01-24:00, Sat., 04 Apr. 0.0404 0.0344 0.0372
22:01-23:00, Sat., 04 Apr. 0.0394 0.0347 0.0370
21:01-22:00, Sat., 04 Apr. 0.0396 0.0350 0.0371
20:01-21:00, Sat., 04 Apr. 0.0385 0.0345 0.0370
19:01-20:00, Sat., 04 Apr. 0.0388 0.0348 0.0368
18:01-19:00, Sat., 04 Apr. 0.0395 0.0357 0.0371
17:01-18:00, Sat., 04 Apr. 0.0395 0.0348 0.0371
16:01-17:00, Sat., 04 Apr. 0.0392 0.0348 0.0371
15:01-16:00, Sat., 04 Apr. 0.0388 0.0350 0.0372
14:01-15:00, Sat., 04 Apr. 0.0394 0.0348 0.0371
13:01-14:00, Sat., 04 Apr. 0.0391 0.0352 0.0371
12:01-13:00, Sat., 04 Apr. 0.0389 0.0350 0.0372
11:01-12:00, Sat., 04 Apr. 0.0406 0.0348 0.0372
10:01-11:00, Sat., 04 Apr. 0.0394 0.0358 0.0376
09:01-10:00, Sat., 04 Apr. 0.0402 0.0359 0.0377
08:01-09:00, Sat., 04 Apr. 0.0394 0.0356 0.0373
07:01-08:00, Sat., 04 Apr. 0.0401 0.0346 0.0373
06:01-07:00, Sat., 04 Apr. 0.0394 0.0350 0.0372
05:01-06:00, Sat., 04 Apr. 0.0399 0.0348 0.0371
04:01-05:00, Sat., 04 Apr. 0.0400 0.0357 0.0375
03:01-04:00, Sat., 04 Apr. 0.0397 0.0355 0.0374
02:01-03:00, Sat., 04 Apr. 0.0392 0.0348 0.0370
01:01-02:00, Sat., 04 Apr. 0.0391 0.0351 0.0372
00:01-01:00, Sat., 04 Apr. 0.0389 0.0346 0.0370
23:01-24:00, Fri., 03 Apr. 0.0392 0.0354 0.0372
22:01-23:00, Fri., 03 Apr. 0.0387 0.0350 0.0369
21:01-22:00, Fri., 03 Apr. 0.0394 0.0352 0.0369
20:01-21:00, Fri., 03 Apr. 0.0384 0.0345 0.0369
19:01-20:00, Fri., 03 Apr. 0.0394 0.0349 0.0373
18:01-19:00, Fri., 03 Apr. 0.0396 0.0348 0.0373
17:01-18:00, Fri., 03 Apr. 0.0389 0.0351 0.0370
16:01-17:00, Fri., 03 Apr. 0.0393 0.0353 0.0373
15:01-16:00, Fri., 03 Apr. 0.0406 0.0347 0.0373
14:01-15:00, Fri., 03 Apr. 0.0399 0.0350 0.0371
13:01-14:00, Fri., 03 Apr. 0.0398 0.0347 0.0371
12:01-13:00, Fri., 03 Apr. 0.0401 0.0356 0.0375
11:01-12:00, Fri., 03 Apr. 0.0397 0.0357 0.0379
10:01-11:00, Fri., 03 Apr. 0.0416 0.0360 0.0377
09:01-10:00, Fri., 03 Apr. 0.0413 0.0357 0.0375
08:01-09:00, Fri., 03 Apr. 0.0404 0.0351 0.0372
07:01-08:00, Fri., 03 Apr. 0.0397 0.0350 0.0372
06:01-07:00, Fri., 03 Apr. 0.0395 0.0348 0.0370
05:01-06:00, Fri., 03 Apr. 0.0392 0.0354 0.0371
04:01-05:00, Fri., 03 Apr. 0.0428 0.0353 0.0377
03:01-04:00, Fri., 03 Apr. 0.0396 0.0352 0.0370
02:01-03:00, Fri., 03 Apr. 0.0399 0.0342 0.0370
01:01-02:00, Fri., 03 Apr. 0.0398 0.0352 0.0373
00:01-01:00, Fri., 03 Apr. 0.0393 0.0350 0.0374
23:01-24:00, Thu., 02 Apr. 0.0397 0.0347 0.0370
22:01-23:00, Thu., 02 Apr. 0.0385 0.0341 0.0368
21:01-22:00, Thu., 02 Apr. 0.0394 0.0349 0.0369
20:01-21:00, Thu., 02 Apr. 0.0403 0.0350 0.0371
19:01-20:00, Thu., 02 Apr. 0.0400 0.0349 0.0369
18:01-19:00, Thu., 02 Apr. 0.0393 0.0351 0.0371
17:01-18:00, Thu., 02 Apr. 0.0396 0.0353 0.0372
16:01-17:00, Thu., 02 Apr. 0.0387 0.0347 0.0369
15:01-16:00, Thu., 02 Apr. 0.0389 0.0352 0.0370
14:01-15:00, Thu., 02 Apr. 0.0390 0.0350 0.0368
13:01-14:00, Thu., 02 Apr. 0.0398 0.0348 0.0371
12:01-13:00, Thu., 02 Apr. 0.0397 0.0345 0.0372
11:01-12:00, Thu., 02 Apr. 0.0395 0.0349 0.0370
10:01-11:00, Thu., 02 Apr. 0.0388 0.0349 0.0370
09:01-10:00, Thu., 02 Apr. 0.0395 0.0351 0.0370
08:01-09:00, Thu., 02 Apr. 0.0394 0.0352 0.0371
07:01-08:00, Thu., 02 Apr. 0.0392 0.0349 0.0371
06:01-07:00, Thu., 02 Apr. 0.0393 0.0353 0.0373
05:01-06:00, Thu., 02 Apr. 0.0398 0.0347 0.0370
04:01-05:00, Thu., 02 Apr. 0.0400 0.0348 0.0374
03:01-04:00, Thu., 02 Apr. 0.0393 0.0355 0.0373
02:01-03:00, Thu., 02 Apr. 0.0394 0.0351 0.0373
01:01-02:00, Thu., 02 Apr. 0.0392 0.0352 0.0372
00:01-01:00, Thu., 02 Apr. 0.0411 0.0359 0.0385
23:01-24:00, Wed., 01 Apr. 0.0478 0.0382 0.0417
22:01-23:00, Wed., 01 Apr. 0.0548 0.0430 0.0501
21:01-22:00, Wed., 01 Apr. 0.0517 0.0427 0.0471
20:01-21:00, Wed., 01 Apr. 0.0461 0.0391 0.0432
19:01-20:00, Wed., 01 Apr. 0.0420 0.0361 0.0387
18:01-19:00, Wed., 01 Apr. 0.0404 0.0353 0.0376
17:01-18:00, Wed., 01 Apr. 0.0397 0.0356 0.0374
16:01-17:00, Wed., 01 Apr. 0.0408 0.0357 0.0376
15:01-16:00, Wed., 01 Apr. 0.0415 0.0368 0.0386
14:01-15:00, Wed., 01 Apr. 0.0417 0.0364 0.0385
13:01-14:00, Wed., 01 Apr. 0.0398 0.0356 0.0374
12:01-13:00, Wed., 01 Apr. 0.0396 0.0350 0.0372
11:01-12:00, Wed., 01 Apr. 0.0398 0.0357 0.0373
10:01-11:00, Wed., 01 Apr. 0.0396 0.0353 0.0377
09:01-10:00, Wed., 01 Apr. 0.0398 0.0355 0.0376
08:01-09:00, Wed., 01 Apr. 0.0401 0.0352 0.0379
07:01-08:00, Wed., 01 Apr. 0.0398 0.0362 0.0379
06:01-07:00, Wed., 01 Apr. 0.0391 0.0351 0.0373
05:01-06:00, Wed., 01 Apr. 0.0399 0.0357 0.0376
04:01-05:00, Wed., 01 Apr. 0.0407 0.0351 0.0374
03:01-04:00, Wed., 01 Apr. 0.0418 0.0350 0.0374
02:01-03:00, Wed., 01 Apr. 0.0406 0.0351 0.0373
01:01-02:00, Wed., 01 Apr. 0.0401 0.0354 0.0372
00:01-01:00, Wed., 01 Apr. 0.0400 0.0355 0.0374
23:01-24:00, Tue., 31 Mar. 0.0408 0.0349 0.0372
22:01-23:00, Tue., 31 Mar. 0.0393 0.0353 0.0371
21:01-22:00, Tue., 31 Mar. 0.0397 0.0353 0.0370
20:01-21:00, Tue., 31 Mar. 0.0398 0.0352 0.0372
19:01-20:00, Tue., 31 Mar. 0.0397 0.0354 0.0374
18:01-19:00, Tue., 31 Mar. 0.0399 0.0352 0.0371
17:01-18:00, Tue., 31 Mar. 0.0389 0.0354 0.0371
16:01-17:00, Tue., 31 Mar. 0.0388 0.0347 0.0371
15:01-16:00, Tue., 31 Mar. 0.0400 0.0348 0.0372
14:01-15:00, Tue., 31 Mar. 0.0391 0.0350 0.0370
13:01-14:00, Tue., 31 Mar. 0.0384 0.0346 0.0368
12:01-13:00, Tue., 31 Mar. 0.0393 0.0347 0.0371
11:01-12:00, Tue., 31 Mar. 0.0402 0.0342 0.0371
10:01-11:00, Tue., 31 Mar. 0.0390 0.0350 0.0370
09:01-10:00, Tue., 31 Mar. 0.0396 0.0344 0.0369
08:01-09:00, Tue., 31 Mar. 0.0389 0.0345 0.0372
07:01-08:00, Tue., 31 Mar. 0.0401 0.0353 0.0372
06:01-07:00, Tue., 31 Mar. 0.0398 0.0350 0.0374
05:01-06:00, Tue., 31 Mar. 0.0395 0.0351 0.0373
04:01-05:00, Tue., 31 Mar. 0.0409 0.0352 0.0373
03:01-04:00, Tue., 31 Mar. 0.0395 0.0349 0.0371
02:01-03:00, Tue., 31 Mar. 0.0387 0.0349 0.0368
01:01-02:00, Tue., 31 Mar. 0.0399 0.0349 0.0369
00:01-01:00, Tue., 31 Mar. 0.0391 0.0347 0.0369
23:01-24:00, Mon., 30 Mar. 0.0389 0.0353 0.0370
22:01-23:00, Mon., 30 Mar. 0.0391 0.0349 0.0371
21:01-22:00, Mon., 30 Mar. 0.0395 0.0347 0.0372
20:01-21:00, Mon., 30 Mar. 0.0398 0.0350 0.0371
19:01-20:00, Mon., 30 Mar. 0.0408 0.0352 0.0374
18:01-19:00, Mon., 30 Mar. 0.0397 0.0350 0.0374
17:01-18:00, Mon., 30 Mar. 0.0393 0.0340 0.0368
16:01-17:00, Mon., 30 Mar. 0.0403 0.0344 0.0370
15:01-16:00, Mon., 30 Mar. 0.0394 0.0351 0.0372
14:01-15:00, Mon., 30 Mar. 0.0389 0.0343 0.0369
13:01-14:00, Mon., 30 Mar. 0.0401 0.0353 0.0372
12:01-13:00, Mon., 30 Mar. 0.0390 0.0350 0.0372
11:01-12:00, Mon., 30 Mar. 0.0401 0.0353 0.0371
10:01-11:00, Mon., 30 Mar. 0.0395 0.0350 0.0370
09:01-10:00, Mon., 30 Mar. 0.0394 0.0352 0.0370
08:01-09:00, Mon., 30 Mar. 0.0399 0.0348 0.0371
07:01-08:00, Mon., 30 Mar. 0.0400 0.0351 0.0372
06:01-07:00, Mon., 30 Mar. 0.0387 0.0347 0.0370
05:01-06:00, Mon., 30 Mar. 0.0397 0.0351 0.0371
04:01-05:00, Mon., 30 Mar. 0.0397 0.0359 0.0374
03:01-04:00, Mon., 30 Mar. 0.0404 0.0354 0.0374
02:01-03:00, Mon., 30 Mar. 0.0395 0.0344 0.0372
01:01-02:00, Mon., 30 Mar. 0.0390 0.0353 0.0374
00:01-01:00, Mon., 30 Mar. 0.0406 0.0359 0.0374