Measurement results by the hour (Koto) 18 Feb., 2013 - 24 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., 24 Feb. 0.0443 0.0390 0.0418
22:01-23:00, Sun., 24 Feb. 0.0455 0.0395 0.0423
21:01-22:00, Sun., 24 Feb. 0.0452 0.0396 0.0421
20:01-21:00, Sun., 24 Feb. 0.0447 0.0396 0.0423
19:01-20:00, Sun., 24 Feb. 0.0450 0.0399 0.0425
18:01-19:00, Sun., 24 Feb. 0.0454 0.0401 0.0426
17:01-18:00, Sun., 24 Feb. 0.0447 0.0395 0.0422
16:01-17:00, Sun., 24 Feb. 0.0460 0.0401 0.0424
15:01-16:00, Sun., 24 Feb. 0.0442 0.0397 0.0421
14:01-15:00, Sun., 24 Feb. 0.0444 0.0397 0.0421
13:01-14:00, Sun., 24 Feb. 0.0452 0.0399 0.0425
12:01-13:00, Sun., 24 Feb. 0.0450 0.0397 0.0423
11:01-12:00, Sun., 24 Feb. 0.0449 0.0390 0.0419
10:01-11:00, Sun., 24 Feb. 0.0445 0.0403 0.0424
09:01-10:00, Sun., 24 Feb. 0.0453 0.0401 0.0423
08:01-09:00, Sun., 24 Feb. 0.0451 0.0397 0.0425
07:01-08:00, Sun., 24 Feb. 0.0460 0.0404 0.0425
06:01-07:00, Sun., 24 Feb. 0.0448 0.0401 0.0423
05:01-06:00, Sun., 24 Feb. 0.0451 0.0404 0.0423
04:01-05:00, Sun., 24 Feb. 0.0444 0.0391 0.0420
03:01-04:00, Sun., 24 Feb. 0.0452 0.0394 0.0422
02:01-03:00, Sun., 24 Feb. 0.0450 0.0388 0.0421
01:01-02:00, Sun., 24 Feb. 0.0445 0.0399 0.0421
00:01-01:00, Sun., 24 Feb. 0.0453 0.0402 0.0425
23:01-24:00, Sat., 23 Feb. 0.0451 0.0405 0.0425
22:01-23:00, Sat., 23 Feb. 0.0451 0.0393 0.0423
21:01-22:00, Sat., 23 Feb. 0.0446 0.0388 0.0421
20:01-21:00, Sat., 23 Feb. 0.0441 0.0400 0.0423
19:01-20:00, Sat., 23 Feb. 0.0443 0.0385 0.0421
18:01-19:00, Sat., 23 Feb. 0.0455 0.0401 0.0423
17:01-18:00, Sat., 23 Feb. 0.0451 0.0398 0.0420
16:01-17:00, Sat., 23 Feb. 0.0446 0.0387 0.0420
15:01-16:00, Sat., 23 Feb. 0.0439 0.0392 0.0420
14:01-15:00, Sat., 23 Feb. 0.0455 0.0390 0.0422
13:01-14:00, Sat., 23 Feb. 0.0455 0.0391 0.0422
12:01-13:00, Sat., 23 Feb. 0.0447 0.0403 0.0424
11:01-12:00, Sat., 23 Feb. 0.0448 0.0391 0.0420
10:01-11:00, Sat., 23 Feb. 0.0450 0.0399 0.0419
09:01-10:00, Sat., 23 Feb. 0.0448 0.0396 0.0419
08:01-09:00, Sat., 23 Feb. 0.0445 0.0397 0.0420
07:01-08:00, Sat., 23 Feb. 0.0445 0.0398 0.0422
06:01-07:00, Sat., 23 Feb. 0.0442 0.0398 0.0421
05:01-06:00, Sat., 23 Feb. 0.0448 0.0396 0.0421
04:01-05:00, Sat., 23 Feb. 0.0465 0.0394 0.0424
03:01-04:00, Sat., 23 Feb. 0.0444 0.0400 0.0421
02:01-03:00, Sat., 23 Feb. 0.0449 0.0395 0.0419
01:01-02:00, Sat., 23 Feb. 0.0450 0.0401 0.0422
00:01-01:00, Sat., 23 Feb. 0.0458 0.0392 0.0423
23:01-24:00, Fri., 22 Feb. 0.0462 0.0390 0.0426
22:01-23:00, Fri., 22 Feb. 0.0446 0.0395 0.0420
21:01-22:00, Fri., 22 Feb. 0.0444 0.0402 0.0423
20:01-21:00, Fri., 22 Feb. 0.0454 0.0402 0.0421
19:01-20:00, Fri., 22 Feb. 0.0450 0.0392 0.0421
18:01-19:00, Fri., 22 Feb. 0.0442 0.0389 0.0419
17:01-18:00, Fri., 22 Feb. 0.0452 0.0398 0.0421
16:01-17:00, Fri., 22 Feb. 0.0451 0.0394 0.0418
15:01-16:00, Fri., 22 Feb. 0.0451 0.0395 0.0417
14:01-15:00, Fri., 22 Feb. 0.0437 0.0395 0.0419
13:01-14:00, Fri., 22 Feb. 0.0443 0.0399 0.0422
12:01-13:00, Fri., 22 Feb. 0.0444 0.0399 0.0419
11:01-12:00, Fri., 22 Feb. 0.0438 0.0389 0.0419
10:01-11:00, Fri., 22 Feb. 0.0451 0.0391 0.0423
09:01-10:00, Fri., 22 Feb. 0.0449 0.0400 0.0421
08:01-09:00, Fri., 22 Feb. 0.0457 0.0401 0.0422
07:01-08:00, Fri., 22 Feb. 0.0451 0.0394 0.0423
06:01-07:00, Fri., 22 Feb. 0.0452 0.0388 0.0421
05:01-06:00, Fri., 22 Feb. 0.0467 0.0394 0.0424
04:01-05:00, Fri., 22 Feb. 0.0444 0.0392 0.0421
03:01-04:00, Fri., 22 Feb. 0.0453 0.0402 0.0424
02:01-03:00, Fri., 22 Feb. 0.0458 0.0406 0.0425
01:01-02:00, Fri., 22 Feb. 0.0454 0.0387 0.0421
00:01-01:00, Fri., 22 Feb. 0.0447 0.0403 0.0422
23:01-24:00, Thu., 21 Feb. 0.0455 0.0400 0.0422
22:01-23:00, Thu., 21 Feb. 0.0446 0.0399 0.0421
21:01-22:00, Thu., 21 Feb. 0.0442 0.0390 0.0418
20:01-21:00, Thu., 21 Feb. 0.0450 0.0398 0.0422
19:01-20:00, Thu., 21 Feb. 0.0444 0.0394 0.0419
18:01-19:00, Thu., 21 Feb. 0.0460 0.0402 0.0420
17:01-18:00, Thu., 21 Feb. 0.0447 0.0392 0.0420
16:01-17:00, Thu., 21 Feb. 0.0455 0.0399 0.0422
15:01-16:00, Thu., 21 Feb. 0.0438 0.0385 0.0419
14:01-15:00, Thu., 21 Feb. 0.0462 0.0398 0.0422
13:01-14:00, Thu., 21 Feb. 0.0449 0.0400 0.0423
12:01-13:00, Thu., 21 Feb. 0.0450 0.0396 0.0422
11:01-12:00, Thu., 21 Feb. 0.0447 0.0400 0.0420
10:01-11:00, Thu., 21 Feb. 0.0445 0.0393 0.0419
09:01-10:00, Thu., 21 Feb. 0.0447 0.0396 0.0421
08:01-09:00, Thu., 21 Feb. 0.0452 0.0396 0.0421
07:01-08:00, Thu., 21 Feb. 0.0455 0.0398 0.0422
06:01-07:00, Thu., 21 Feb. 0.0440 0.0396 0.0423
05:01-06:00, Thu., 21 Feb. 0.0448 0.0403 0.0422
04:01-05:00, Thu., 21 Feb. 0.0455 0.0391 0.0422
03:01-04:00, Thu., 21 Feb. 0.0460 0.0397 0.0421
02:01-03:00, Thu., 21 Feb. 0.0443 0.0400 0.0420
01:01-02:00, Thu., 21 Feb. 0.0447 0.0398 0.0422
00:01-01:00, Thu., 21 Feb. 0.0454 0.0397 0.0421
23:01-24:00, Wed., 20 Feb. 0.0449 0.0396 0.0423
22:01-23:00, Wed., 20 Feb. 0.0459 0.0394 0.0425
21:01-22:00, Wed., 20 Feb. 0.0447 0.0392 0.0421
20:01-21:00, Wed., 20 Feb. 0.0450 0.0401 0.0420
19:01-20:00, Wed., 20 Feb. 0.0446 0.0398 0.0421
18:01-19:00, Wed., 20 Feb. 0.0443 0.0405 0.0422
17:01-18:00, Wed., 20 Feb. 0.0450 0.0397 0.0418
16:01-17:00, Wed., 20 Feb. 0.0464 0.0399 0.0420
15:01-16:00, Wed., 20 Feb. 0.0457 0.0394 0.0419
14:01-15:00, Wed., 20 Feb. 0.0448 0.0389 0.0416
13:01-14:00, Wed., 20 Feb. 0.0435 0.0398 0.0416
12:01-13:00, Wed., 20 Feb. 0.0439 0.0392 0.0418
11:01-12:00, Wed., 20 Feb. 0.0441 0.0394 0.0420
10:01-11:00, Wed., 20 Feb. 0.0452 0.0396 0.0418
09:01-10:00, Wed., 20 Feb. 0.0446 0.0400 0.0422
08:01-09:00, Wed., 20 Feb. 0.0447 0.0388 0.0423
07:01-08:00, Wed., 20 Feb. 0.0446 0.0397 0.0417
06:01-07:00, Wed., 20 Feb. 0.0455 0.0394 0.0422
05:01-06:00, Wed., 20 Feb. 0.0453 0.0385 0.0419
04:01-05:00, Wed., 20 Feb. 0.0452 0.0397 0.0418
03:01-04:00, Wed., 20 Feb. 0.0445 0.0396 0.0420
02:01-03:00, Wed., 20 Feb. 0.0448 0.0398 0.0421
01:01-02:00, Wed., 20 Feb. 0.0443 0.0395 0.0420
00:01-01:00, Wed., 20 Feb. 0.0449 0.0388 0.0419
23:01-24:00, Tue., 19 Feb. 0.0446 0.0386 0.0418
22:01-23:00, Tue., 19 Feb. 0.0441 0.0396 0.0418
21:01-22:00, Tue., 19 Feb. 0.0453 0.0392 0.0418
20:01-21:00, Tue., 19 Feb. 0.0454 0.0393 0.0418
19:01-20:00, Tue., 19 Feb. 0.0456 0.0400 0.0419
18:01-19:00, Tue., 19 Feb. 0.0445 0.0401 0.0418
17:01-18:00, Tue., 19 Feb. 0.0457 0.0396 0.0426
16:01-17:00, Tue., 19 Feb. 0.0473 0.0401 0.0436
15:01-16:00, Tue., 19 Feb. 0.0513 0.0439 0.0474
14:01-15:00, Tue., 19 Feb. 0.0561 0.0475 0.0517
13:01-14:00, Tue., 19 Feb. 0.0597 0.0525 0.0572
12:01-13:00, Tue., 19 Feb. 0.0599 0.0525 0.0561
11:01-12:00, Tue., 19 Feb. 0.0582 0.0490 0.0525
10:01-11:00, Tue., 19 Feb. 0.0519 0.0443 0.0480
09:01-10:00, Tue., 19 Feb. 0.0525 0.0467 0.0496
08:01-09:00, Tue., 19 Feb. 0.0500 0.0444 0.0469
07:01-08:00, Tue., 19 Feb. 0.0479 0.0434 0.0456
06:01-07:00, Tue., 19 Feb. 0.0463 0.0397 0.0430
05:01-06:00, Tue., 19 Feb. 0.0457 0.0393 0.0422
04:01-05:00, Tue., 19 Feb. 0.0448 0.0402 0.0424
03:01-04:00, Tue., 19 Feb. 0.0453 0.0407 0.0426
02:01-03:00, Tue., 19 Feb. 0.0461 0.0410 0.0435
01:01-02:00, Tue., 19 Feb. 0.0472 0.0418 0.0445
00:01-01:00, Tue., 19 Feb. 0.0451 0.0396 0.0422
23:01-24:00, Mon., 18 Feb. 0.0458 0.0391 0.0424
22:01-23:00, Mon., 18 Feb. 0.0461 0.0405 0.0432
21:01-22:00, Mon., 18 Feb. 0.0465 0.0406 0.0440
20:01-21:00, Mon., 18 Feb. 0.0455 0.0394 0.0419
19:01-20:00, Mon., 18 Feb. 0.0452 0.0401 0.0422
18:01-19:00, Mon., 18 Feb. 0.0454 0.0407 0.0424
17:01-18:00, Mon., 18 Feb. 0.0455 0.0403 0.0425
16:01-17:00, Mon., 18 Feb. 0.0458 0.0403 0.0433
15:01-16:00, Mon., 18 Feb. 0.0476 0.0421 0.0447
14:01-15:00, Mon., 18 Feb. 0.0483 0.0419 0.0448
13:01-14:00, Mon., 18 Feb. 0.0462 0.0412 0.0441
12:01-13:00, Mon., 18 Feb. 0.0472 0.0412 0.0444
11:01-12:00, Mon., 18 Feb. 0.0466 0.0412 0.0439
10:01-11:00, Mon., 18 Feb. 0.0462 0.0408 0.0437
09:01-10:00, Mon., 18 Feb. 0.0455 0.0376 0.0425
08:01-09:00, Mon., 18 Feb. 0.0449 0.0394 0.0425
07:01-08:00, Mon., 18 Feb. 0.0447 0.0396 0.0424
06:01-07:00, Mon., 18 Feb. 0.0451 0.0390 0.0422
05:01-06:00, Mon., 18 Feb. 0.0464 0.0395 0.0423
04:01-05:00, Mon., 18 Feb. 0.0460 0.0404 0.0424
03:01-04:00, Mon., 18 Feb. 0.0444 0.0403 0.0422
02:01-03:00, Mon., 18 Feb. 0.0453 0.0408 0.0425
01:01-02:00, Mon., 18 Feb. 0.0450 0.0394 0.0419
00:01-01:00, Mon., 18 Feb. 0.0445 0.0391 0.0419