Measurement results by the hour (Koto) 4 Feb., 2013 - 10 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., 10 Feb. 0.0446 0.0405 0.0423
22:01-23:00, Sun., 10 Feb. 0.0443 0.0391 0.0421
21:01-22:00, Sun., 10 Feb. 0.0453 0.0399 0.0420
20:01-21:00, Sun., 10 Feb. 0.0442 0.0403 0.0423
19:01-20:00, Sun., 10 Feb. 0.0448 0.0392 0.0418
18:01-19:00, Sun., 10 Feb. 0.0446 0.0399 0.0419
17:01-18:00, Sun., 10 Feb. 0.0446 0.0394 0.0422
16:01-17:00, Sun., 10 Feb. 0.0448 0.0402 0.0421
15:01-16:00, Sun., 10 Feb. 0.0460 0.0395 0.0424
14:01-15:00, Sun., 10 Feb. 0.0441 0.0397 0.0420
13:01-14:00, Sun., 10 Feb. 0.0445 0.0403 0.0423
12:01-13:00, Sun., 10 Feb. 0.0449 0.0397 0.0423
11:01-12:00, Sun., 10 Feb. 0.0450 0.0396 0.0422
10:01-11:00, Sun., 10 Feb. 0.0448 0.0408 0.0428
09:01-10:00, Sun., 10 Feb. 0.0455 0.0395 0.0427
08:01-09:00, Sun., 10 Feb. 0.0453 0.0406 0.0428
07:01-08:00, Sun., 10 Feb. 0.0448 0.0396 0.0425
06:01-07:00, Sun., 10 Feb. 0.0444 0.0393 0.0420
05:01-06:00, Sun., 10 Feb. 0.0458 0.0395 0.0423
04:01-05:00, Sun., 10 Feb. 0.0445 0.0395 0.0420
03:01-04:00, Sun., 10 Feb. 0.0446 0.0403 0.0422
02:01-03:00, Sun., 10 Feb. 0.0454 0.0395 0.0422
01:01-02:00, Sun., 10 Feb. 0.0445 0.0401 0.0421
00:01-01:00, Sun., 10 Feb. 0.0442 0.0403 0.0421
23:01-24:00, Sat., 09 Feb. 0.0450 0.0400 0.0424
22:01-23:00, Sat., 09 Feb. 0.0453 0.0397 0.0422
21:01-22:00, Sat., 09 Feb. 0.0450 0.0391 0.0421
20:01-21:00, Sat., 09 Feb. 0.0446 0.0398 0.0421
19:01-20:00, Sat., 09 Feb. 0.0450 0.0402 0.0422
18:01-19:00, Sat., 09 Feb. 0.0449 0.0400 0.0423
17:01-18:00, Sat., 09 Feb. 0.0457 0.0400 0.0420
16:01-17:00, Sat., 09 Feb. 0.0449 0.0392 0.0422
15:01-16:00, Sat., 09 Feb. 0.0442 0.0395 0.0420
14:01-15:00, Sat., 09 Feb. 0.0449 0.0399 0.0420
13:01-14:00, Sat., 09 Feb. 0.0449 0.0399 0.0422
12:01-13:00, Sat., 09 Feb. 0.0444 0.0393 0.0420
11:01-12:00, Sat., 09 Feb. 0.0451 0.0395 0.0419
10:01-11:00, Sat., 09 Feb. 0.0445 0.0395 0.0420
09:01-10:00, Sat., 09 Feb. 0.0446 0.0391 0.0421
08:01-09:00, Sat., 09 Feb. 0.0454 0.0395 0.0420
07:01-08:00, Sat., 09 Feb. 0.0454 0.0394 0.0423
06:01-07:00, Sat., 09 Feb. 0.0445 0.0398 0.0418
05:01-06:00, Sat., 09 Feb. 0.0449 0.0397 0.0424
04:01-05:00, Sat., 09 Feb. 0.0448 0.0395 0.0421
03:01-04:00, Sat., 09 Feb. 0.0456 0.0403 0.0422
02:01-03:00, Sat., 09 Feb. 0.0444 0.0394 0.0418
01:01-02:00, Sat., 09 Feb. 0.0447 0.0402 0.0421
00:01-01:00, Sat., 09 Feb. 0.0450 0.0386 0.0419
23:01-24:00, Fri., 08 Feb. 0.0463 0.0394 0.0420
22:01-23:00, Fri., 08 Feb. 0.0456 0.0390 0.0421
21:01-22:00, Fri., 08 Feb. 0.0446 0.0394 0.0420
20:01-21:00, Fri., 08 Feb. 0.0455 0.0399 0.0423
19:01-20:00, Fri., 08 Feb. 0.0444 0.0399 0.0422
18:01-19:00, Fri., 08 Feb. 0.0452 0.0399 0.0423
17:01-18:00, Fri., 08 Feb. 0.0452 0.0403 0.0427
16:01-17:00, Fri., 08 Feb. 0.0453 0.0394 0.0423
15:01-16:00, Fri., 08 Feb. 0.0448 0.0394 0.0425
14:01-15:00, Fri., 08 Feb. 0.0446 0.0404 0.0422
13:01-14:00, Fri., 08 Feb. 0.0447 0.0392 0.0422
12:01-13:00, Fri., 08 Feb. 0.0443 0.0397 0.0425
11:01-12:00, Fri., 08 Feb. 0.0452 0.0404 0.0425
10:01-11:00, Fri., 08 Feb. 0.0451 0.0398 0.0422
09:01-10:00, Fri., 08 Feb. 0.0449 0.0395 0.0421
08:01-09:00, Fri., 08 Feb. 0.0446 0.0398 0.0420
07:01-08:00, Fri., 08 Feb. 0.0446 0.0398 0.0423
06:01-07:00, Fri., 08 Feb. 0.0451 0.0400 0.0423
05:01-06:00, Fri., 08 Feb. 0.0451 0.0396 0.0422
04:01-05:00, Fri., 08 Feb. 0.0443 0.0397 0.0422
03:01-04:00, Fri., 08 Feb. 0.0451 0.0407 0.0427
02:01-03:00, Fri., 08 Feb. 0.0446 0.0405 0.0421
01:01-02:00, Fri., 08 Feb. 0.0455 0.0394 0.0424
00:01-01:00, Fri., 08 Feb. 0.0444 0.0398 0.0420
23:01-24:00, Thu., 07 Feb. 0.0444 0.0396 0.0420
22:01-23:00, Thu., 07 Feb. 0.0444 0.0397 0.0421
21:01-22:00, Thu., 07 Feb. 0.0447 0.0399 0.0420
20:01-21:00, Thu., 07 Feb. 0.0452 0.0400 0.0419
19:01-20:00, Thu., 07 Feb. 0.0450 0.0397 0.0424
18:01-19:00, Thu., 07 Feb. 0.0447 0.0383 0.0420
17:01-18:00, Thu., 07 Feb. 0.0453 0.0405 0.0422
16:01-17:00, Thu., 07 Feb. 0.0449 0.0403 0.0421
15:01-16:00, Thu., 07 Feb. 0.0445 0.0387 0.0419
14:01-15:00, Thu., 07 Feb. 0.0441 0.0394 0.0419
13:01-14:00, Thu., 07 Feb. 0.0451 0.0393 0.0419
12:01-13:00, Thu., 07 Feb. 0.0442 0.0397 0.0418
11:01-12:00, Thu., 07 Feb. 0.0445 0.0394 0.0420
10:01-11:00, Thu., 07 Feb. 0.0439 0.0398 0.0419
09:01-10:00, Thu., 07 Feb. 0.0452 0.0400 0.0420
08:01-09:00, Thu., 07 Feb. 0.0449 0.0392 0.0423
07:01-08:00, Thu., 07 Feb. 0.0444 0.0394 0.0419
06:01-07:00, Thu., 07 Feb. 0.0448 0.0395 0.0420
05:01-06:00, Thu., 07 Feb. 0.0445 0.0393 0.0418
04:01-05:00, Thu., 07 Feb. 0.0437 0.0391 0.0416
03:01-04:00, Thu., 07 Feb. 0.0447 0.0399 0.0419
02:01-03:00, Thu., 07 Feb. 0.0438 0.0392 0.0415
01:01-02:00, Thu., 07 Feb. 0.0440 0.0393 0.0417
00:01-01:00, Thu., 07 Feb. 0.0445 0.0395 0.0419
23:01-24:00, Wed., 06 Feb. 0.0441 0.0394 0.0416
22:01-23:00, Wed., 06 Feb. 0.0439 0.0387 0.0415
21:01-22:00, Wed., 06 Feb. 0.0452 0.0388 0.0418
20:01-21:00, Wed., 06 Feb. 0.0446 0.0392 0.0416
19:01-20:00, Wed., 06 Feb. 0.0443 0.0393 0.0416
18:01-19:00, Wed., 06 Feb. 0.0441 0.0392 0.0419
17:01-18:00, Wed., 06 Feb. 0.0451 0.0401 0.0424
16:01-17:00, Wed., 06 Feb. 0.0459 0.0405 0.0432
15:01-16:00, Wed., 06 Feb. 0.0455 0.0415 0.0434
14:01-15:00, Wed., 06 Feb. 0.0477 0.0419 0.0446
13:01-14:00, Wed., 06 Feb. 0.0470 0.0420 0.0450
12:01-13:00, Wed., 06 Feb. 0.0516 0.0440 0.0469
11:01-12:00, Wed., 06 Feb. 0.0505 0.0442 0.0474
10:01-11:00, Wed., 06 Feb. 0.0481 0.0421 0.0455
09:01-10:00, Wed., 06 Feb. 0.0516 0.0436 0.0480
08:01-09:00, Wed., 06 Feb. 0.0540 0.0483 0.0509
07:01-08:00, Wed., 06 Feb. 0.0540 0.0465 0.0500
06:01-07:00, Wed., 06 Feb. 0.0531 0.0462 0.0495
05:01-06:00, Wed., 06 Feb. 0.0528 0.0459 0.0486
04:01-05:00, Wed., 06 Feb. 0.0508 0.0460 0.0484
03:01-04:00, Wed., 06 Feb. 0.0491 0.0439 0.0468
02:01-03:00, Wed., 06 Feb. 0.0473 0.0423 0.0449
01:01-02:00, Wed., 06 Feb. 0.0450 0.0396 0.0426
00:01-01:00, Wed., 06 Feb. 0.0446 0.0395 0.0421
23:01-24:00, Tue., 05 Feb. 0.0441 0.0392 0.0420
22:01-23:00, Tue., 05 Feb. 0.0454 0.0388 0.0421
21:01-22:00, Tue., 05 Feb. 0.0451 0.0394 0.0422
20:01-21:00, Tue., 05 Feb. 0.0453 0.0391 0.0424
19:01-20:00, Tue., 05 Feb. 0.0447 0.0396 0.0422
18:01-19:00, Tue., 05 Feb. 0.0446 0.0405 0.0423
17:01-18:00, Tue., 05 Feb. 0.0458 0.0400 0.0421
16:01-17:00, Tue., 05 Feb. 0.0448 0.0402 0.0425
15:01-16:00, Tue., 05 Feb. 0.0445 0.0386 0.0422
14:01-15:00, Tue., 05 Feb. 0.0454 0.0399 0.0419
13:01-14:00, Tue., 05 Feb. 0.0451 0.0396 0.0422
12:01-13:00, Tue., 05 Feb. 0.0452 0.0401 0.0422
11:01-12:00, Tue., 05 Feb. 0.0453 0.0394 0.0422
10:01-11:00, Tue., 05 Feb. 0.0445 0.0398 0.0422
09:01-10:00, Tue., 05 Feb. 0.0454 0.0404 0.0424
08:01-09:00, Tue., 05 Feb. 0.0450 0.0391 0.0424
07:01-08:00, Tue., 05 Feb. 0.0461 0.0399 0.0425
06:01-07:00, Tue., 05 Feb. 0.0446 0.0385 0.0423
05:01-06:00, Tue., 05 Feb. 0.0457 0.0398 0.0423
04:01-05:00, Tue., 05 Feb. 0.0443 0.0403 0.0424
03:01-04:00, Tue., 05 Feb. 0.0448 0.0402 0.0423
02:01-03:00, Tue., 05 Feb. 0.0458 0.0400 0.0424
01:01-02:00, Tue., 05 Feb. 0.0453 0.0390 0.0420
00:01-01:00, Tue., 05 Feb. 0.0458 0.0400 0.0424
23:01-24:00, Mon., 04 Feb. 0.0450 0.0400 0.0424
22:01-23:00, Mon., 04 Feb. 0.0451 0.0394 0.0425
21:01-22:00, Mon., 04 Feb. 0.0457 0.0395 0.0424
20:01-21:00, Mon., 04 Feb. 0.0452 0.0401 0.0426
19:01-20:00, Mon., 04 Feb. 0.0443 0.0401 0.0424
18:01-19:00, Mon., 04 Feb. 0.0454 0.0399 0.0426
17:01-18:00, Mon., 04 Feb. 0.0454 0.0401 0.0424
16:01-17:00, Mon., 04 Feb. 0.0460 0.0409 0.0432
15:01-16:00, Mon., 04 Feb. 0.0452 0.0389 0.0425
14:01-15:00, Mon., 04 Feb. 0.0459 0.0401 0.0426
13:01-14:00, Mon., 04 Feb. 0.0469 0.0393 0.0424
12:01-13:00, Mon., 04 Feb. 0.0445 0.0407 0.0426
11:01-12:00, Mon., 04 Feb. 0.0460 0.0403 0.0423
10:01-11:00, Mon., 04 Feb. 0.0450 0.0400 0.0423
09:01-10:00, Mon., 04 Feb. 0.0454 0.0397 0.0420
08:01-09:00, Mon., 04 Feb. 0.0450 0.0397 0.0425
07:01-08:00, Mon., 04 Feb. 0.0456 0.0390 0.0421
06:01-07:00, Mon., 04 Feb. 0.0456 0.0399 0.0424
05:01-06:00, Mon., 04 Feb. 0.0453 0.0398 0.0426
04:01-05:00, Mon., 04 Feb. 0.0440 0.0402 0.0421
03:01-04:00, Mon., 04 Feb. 0.0451 0.0404 0.0423
02:01-03:00, Mon., 04 Feb. 0.0455 0.0401 0.0425
01:01-02:00, Mon., 04 Feb. 0.0454 0.0404 0.0423
00:01-01:00, Mon., 04 Feb. 0.0450 0.0395 0.0421