Measurement results by the hour (Koto) 25 Feb., 2013 - 3 Mar., 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., 03 Mar. 0.0446 0.0393 0.0418
22:01-23:00, Sun., 03 Mar. 0.0448 0.0390 0.0419
21:01-22:00, Sun., 03 Mar. 0.0452 0.0398 0.0423
20:01-21:00, Sun., 03 Mar. 0.0446 0.0386 0.0422
19:01-20:00, Sun., 03 Mar. 0.0456 0.0396 0.0422
18:01-19:00, Sun., 03 Mar. 0.0459 0.0400 0.0425
17:01-18:00, Sun., 03 Mar. 0.0468 0.0413 0.0436
16:01-17:00, Sun., 03 Mar. 0.0458 0.0397 0.0426
15:01-16:00, Sun., 03 Mar. 0.0452 0.0395 0.0420
14:01-15:00, Sun., 03 Mar. 0.0463 0.0391 0.0419
13:01-14:00, Sun., 03 Mar. 0.0452 0.0396 0.0421
12:01-13:00, Sun., 03 Mar. 0.0444 0.0390 0.0421
11:01-12:00, Sun., 03 Mar. 0.0450 0.0399 0.0423
10:01-11:00, Sun., 03 Mar. 0.0445 0.0400 0.0421
09:01-10:00, Sun., 03 Mar. 0.0451 0.0397 0.0420
08:01-09:00, Sun., 03 Mar. 0.0449 0.0400 0.0423
07:01-08:00, Sun., 03 Mar. 0.0440 0.0403 0.0421
06:01-07:00, Sun., 03 Mar. 0.0447 0.0399 0.0419
05:01-06:00, Sun., 03 Mar. 0.0440 0.0396 0.0420
04:01-05:00, Sun., 03 Mar. 0.0463 0.0394 0.0420
03:01-04:00, Sun., 03 Mar. 0.0453 0.0400 0.0420
02:01-03:00, Sun., 03 Mar. 0.0442 0.0390 0.0418
01:01-02:00, Sun., 03 Mar. 0.0445 0.0395 0.0420
00:01-01:00, Sun., 03 Mar. 0.0467 0.0401 0.0425
23:01-24:00, Sat., 02 Mar. 0.0442 0.0393 0.0418
22:01-23:00, Sat., 02 Mar. 0.0457 0.0391 0.0422
21:01-22:00, Sat., 02 Mar. 0.0450 0.0396 0.0424
20:01-21:00, Sat., 02 Mar. 0.0447 0.0401 0.0424
19:01-20:00, Sat., 02 Mar. 0.0456 0.0401 0.0424
18:01-19:00, Sat., 02 Mar. 0.0461 0.0396 0.0422
17:01-18:00, Sat., 02 Mar. 0.0467 0.0396 0.0423
16:01-17:00, Sat., 02 Mar. 0.0445 0.0398 0.0421
15:01-16:00, Sat., 02 Mar. 0.0451 0.0400 0.0420
14:01-15:00, Sat., 02 Mar. 0.0450 0.0395 0.0424
13:01-14:00, Sat., 02 Mar. 0.0444 0.0405 0.0424
12:01-13:00, Sat., 02 Mar. 0.0449 0.0403 0.0426
11:01-12:00, Sat., 02 Mar. 0.0458 0.0399 0.0424
10:01-11:00, Sat., 02 Mar. 0.0442 0.0398 0.0422
09:01-10:00, Sat., 02 Mar. 0.0442 0.0403 0.0424
08:01-09:00, Sat., 02 Mar. 0.0444 0.0392 0.0422
07:01-08:00, Sat., 02 Mar. 0.0448 0.0399 0.0423
06:01-07:00, Sat., 02 Mar. 0.0449 0.0396 0.0423
05:01-06:00, Sat., 02 Mar. 0.0446 0.0397 0.0425
04:01-05:00, Sat., 02 Mar. 0.0445 0.0396 0.0421
03:01-04:00, Sat., 02 Mar. 0.0445 0.0393 0.0424
02:01-03:00, Sat., 02 Mar. 0.0437 0.0395 0.0420
01:01-02:00, Sat., 02 Mar. 0.0448 0.0397 0.0420
00:01-01:00, Sat., 02 Mar. 0.0454 0.0403 0.0430
23:01-24:00, Fri., 01 Mar. 0.0516 0.0418 0.0461
22:01-23:00, Fri., 01 Mar. 0.0589 0.0468 0.0517
21:01-22:00, Fri., 01 Mar. 0.0604 0.0527 0.0564
20:01-21:00, Fri., 01 Mar. 0.0574 0.0454 0.0518
19:01-20:00, Fri., 01 Mar. 0.0484 0.0417 0.0445
18:01-19:00, Fri., 01 Mar. 0.0453 0.0393 0.0422
17:01-18:00, Fri., 01 Mar. 0.0438 0.0396 0.0417
16:01-17:00, Fri., 01 Mar. 0.0449 0.0400 0.0421
15:01-16:00, Fri., 01 Mar. 0.0458 0.0400 0.0418
14:01-15:00, Fri., 01 Mar. 0.0442 0.0397 0.0418
13:01-14:00, Fri., 01 Mar. 0.0440 0.0400 0.0418
12:01-13:00, Fri., 01 Mar. 0.0441 0.0393 0.0420
11:01-12:00, Fri., 01 Mar. 0.0449 0.0401 0.0420
10:01-11:00, Fri., 01 Mar. 0.0450 0.0391 0.0418
09:01-10:00, Fri., 01 Mar. 0.0445 0.0393 0.0414
08:01-09:00, Fri., 01 Mar. 0.0439 0.0388 0.0418
07:01-08:00, Fri., 01 Mar. 0.0441 0.0390 0.0418
06:01-07:00, Fri., 01 Mar. 0.0446 0.0397 0.0421
05:01-06:00, Fri., 01 Mar. 0.0453 0.0402 0.0422
04:01-05:00, Fri., 01 Mar. 0.0443 0.0395 0.0417
03:01-04:00, Fri., 01 Mar. 0.0454 0.0386 0.0422
02:01-03:00, Fri., 01 Mar. 0.0441 0.0396 0.0420
01:01-02:00, Fri., 01 Mar. 0.0446 0.0398 0.0421
00:01-01:00, Fri., 01 Mar. 0.0448 0.0398 0.0420
23:01-24:00, Thu., 28 Feb. 0.0443 0.0388 0.0419
22:01-23:00, Thu., 28 Feb. 0.0442 0.0397 0.0418
21:01-22:00, Thu., 28 Feb. 0.0453 0.0390 0.0420
20:01-21:00, Thu., 28 Feb. 0.0444 0.0385 0.0418
19:01-20:00, Thu., 28 Feb. 0.0450 0.0396 0.0422
18:01-19:00, Thu., 28 Feb. 0.0452 0.0395 0.0421
17:01-18:00, Thu., 28 Feb. 0.0455 0.0398 0.0421
16:01-17:00, Thu., 28 Feb. 0.0446 0.0395 0.0418
15:01-16:00, Thu., 28 Feb. 0.0445 0.0388 0.0419
14:01-15:00, Thu., 28 Feb. 0.0446 0.0382 0.0421
13:01-14:00, Thu., 28 Feb. 0.0438 0.0395 0.0420
12:01-13:00, Thu., 28 Feb. 0.0448 0.0394 0.0418
11:01-12:00, Thu., 28 Feb. 0.0443 0.0400 0.0419
10:01-11:00, Thu., 28 Feb. 0.0440 0.0388 0.0421
09:01-10:00, Thu., 28 Feb. 0.0442 0.0383 0.0416
08:01-09:00, Thu., 28 Feb. 0.0451 0.0395 0.0422
07:01-08:00, Thu., 28 Feb. 0.0452 0.0400 0.0423
06:01-07:00, Thu., 28 Feb. 0.0449 0.0394 0.0421
05:01-06:00, Thu., 28 Feb. 0.0449 0.0393 0.0421
04:01-05:00, Thu., 28 Feb. 0.0446 0.0405 0.0423
03:01-04:00, Thu., 28 Feb. 0.0446 0.0394 0.0419
02:01-03:00, Thu., 28 Feb. 0.0447 0.0395 0.0423
01:01-02:00, Thu., 28 Feb. 0.0448 0.0403 0.0423
00:01-01:00, Thu., 28 Feb. 0.0442 0.0396 0.0418
23:01-24:00, Wed., 27 Feb. 0.0460 0.0390 0.0421
22:01-23:00, Wed., 27 Feb. 0.0441 0.0396 0.0417
21:01-22:00, Wed., 27 Feb. 0.0439 0.0392 0.0418
20:01-21:00, Wed., 27 Feb. 0.0444 0.0400 0.0421
19:01-20:00, Wed., 27 Feb. 0.0445 0.0389 0.0419
18:01-19:00, Wed., 27 Feb. 0.0459 0.0393 0.0416
17:01-18:00, Wed., 27 Feb. 0.0447 0.0385 0.0418
16:01-17:00, Wed., 27 Feb. 0.0445 0.0385 0.0416
15:01-16:00, Wed., 27 Feb. 0.0439 0.0398 0.0417
14:01-15:00, Wed., 27 Feb. 0.0452 0.0384 0.0419
13:01-14:00, Wed., 27 Feb. 0.0448 0.0393 0.0419
12:01-13:00, Wed., 27 Feb. 0.0445 0.0389 0.0418
11:01-12:00, Wed., 27 Feb. 0.0442 0.0397 0.0420
10:01-11:00, Wed., 27 Feb. 0.0448 0.0400 0.0430
09:01-10:00, Wed., 27 Feb. 0.0453 0.0411 0.0434
08:01-09:00, Wed., 27 Feb. 0.0464 0.0409 0.0433
07:01-08:00, Wed., 27 Feb. 0.0499 0.0432 0.0461
06:01-07:00, Wed., 27 Feb. 0.0501 0.0431 0.0461
05:01-06:00, Wed., 27 Feb. 0.0477 0.0417 0.0451
04:01-05:00, Wed., 27 Feb. 0.0478 0.0418 0.0452
03:01-04:00, Wed., 27 Feb. 0.0464 0.0405 0.0435
02:01-03:00, Wed., 27 Feb. 0.0465 0.0394 0.0430
01:01-02:00, Wed., 27 Feb. 0.0445 0.0400 0.0422
00:01-01:00, Wed., 27 Feb. 0.0444 0.0397 0.0422
23:01-24:00, Tue., 26 Feb. 0.0449 0.0398 0.0420
22:01-23:00, Tue., 26 Feb. 0.0454 0.0401 0.0422
21:01-22:00, Tue., 26 Feb. 0.0447 0.0398 0.0423
20:01-21:00, Tue., 26 Feb. 0.0446 0.0393 0.0421
19:01-20:00, Tue., 26 Feb. 0.0441 0.0395 0.0423
18:01-19:00, Tue., 26 Feb. 0.0446 0.0395 0.0418
17:01-18:00, Tue., 26 Feb. 0.0443 0.0395 0.0418
16:01-17:00, Tue., 26 Feb. 0.0445 0.0390 0.0417
15:01-16:00, Tue., 26 Feb. 0.0446 0.0395 0.0420
14:01-15:00, Tue., 26 Feb. 0.0450 0.0395 0.0419
13:01-14:00, Tue., 26 Feb. 0.0437 0.0396 0.0418
12:01-13:00, Tue., 26 Feb. 0.0440 0.0394 0.0421
11:01-12:00, Tue., 26 Feb. 0.0445 0.0395 0.0419
10:01-11:00, Tue., 26 Feb. 0.0447 0.0395 0.0417
09:01-10:00, Tue., 26 Feb. 0.0440 0.0400 0.0417
08:01-09:00, Tue., 26 Feb. 0.0445 0.0398 0.0418
07:01-08:00, Tue., 26 Feb. 0.0464 0.0395 0.0419
06:01-07:00, Tue., 26 Feb. 0.0437 0.0395 0.0418
05:01-06:00, Tue., 26 Feb. 0.0443 0.0399 0.0420
04:01-05:00, Tue., 26 Feb. 0.0459 0.0402 0.0421
03:01-04:00, Tue., 26 Feb. 0.0444 0.0395 0.0421
02:01-03:00, Tue., 26 Feb. 0.0450 0.0397 0.0422
01:01-02:00, Tue., 26 Feb. 0.0444 0.0394 0.0421
00:01-01:00, Tue., 26 Feb. 0.0448 0.0388 0.0420
23:01-24:00, Mon., 25 Feb. 0.0453 0.0389 0.0419
22:01-23:00, Mon., 25 Feb. 0.0437 0.0393 0.0416
21:01-22:00, Mon., 25 Feb. 0.0443 0.0385 0.0415
20:01-21:00, Mon., 25 Feb. 0.0445 0.0389 0.0417
19:01-20:00, Mon., 25 Feb. 0.0446 0.0389 0.0420
18:01-19:00, Mon., 25 Feb. 0.0442 0.0395 0.0419
17:01-18:00, Mon., 25 Feb. 0.0449 0.0399 0.0424
16:01-17:00, Mon., 25 Feb. 0.0452 0.0395 0.0419
15:01-16:00, Mon., 25 Feb. 0.0446 0.0397 0.0420
14:01-15:00, Mon., 25 Feb. 0.0440 0.0381 0.0420
13:01-14:00, Mon., 25 Feb. 0.0449 0.0392 0.0420
12:01-13:00, Mon., 25 Feb. 0.0443 0.0392 0.0423
11:01-12:00, Mon., 25 Feb. 0.0453 0.0397 0.0421
10:01-11:00, Mon., 25 Feb. 0.0446 0.0399 0.0418
09:01-10:00, Mon., 25 Feb. 0.0440 0.0395 0.0419
08:01-09:00, Mon., 25 Feb. 0.0461 0.0389 0.0421
07:01-08:00, Mon., 25 Feb. 0.0442 0.0401 0.0421
06:01-07:00, Mon., 25 Feb. 0.0461 0.0382 0.0421
05:01-06:00, Mon., 25 Feb. 0.0442 0.0398 0.0420
04:01-05:00, Mon., 25 Feb. 0.0454 0.0400 0.0418
03:01-04:00, Mon., 25 Feb. 0.0448 0.0394 0.0421
02:01-03:00, Mon., 25 Feb. 0.0440 0.0398 0.0420
01:01-02:00, Mon., 25 Feb. 0.0439 0.0389 0.0422
00:01-01:00, Mon., 25 Feb. 0.0449 0.0395 0.0420